单项选择题

While the 1970s pop psychotherapy movement focused on the importance of letting anger out, more recent research suggests that there’s a smarter, healthier way to react to life’s slings and arrows; with forgiveness. In a recent study, it was found that when individuals were about to forgive, they experienced greater joy, a more profound sense of control over life and less depression. Sound appealing. a)Why holding a grudge(怨恨)can be harmful Your boyfriend blows you off for an important date. If you stay angry at him, you’ll probably get fresh flowers on your doorstep and maybe a fancy meal or two. But grudge-holding only gives us the illusion of power. If you hold on to that anger on a chronic basis, then it has power over you, eating away at your peace of mind and perhaps even your immune system. A study by Kathleen Lawler, Ph. D., a psychology professor at the University of Tennessee, confirms that people who are unable to forgive report more stress in their lives, more illness and more visits to the doctor than do forgiving folk. b)Going from a grudge to forgiveness A few ways to develop your capacity to turn the other cheek—Try writing a daily "forgiveness" reminder in your journal; it may sound corny(过时的), but it’s a great way to help gain control over your emotional life. —Write a letter to your offender, detailing exactly what’s bothering you. Then toss it. You’ll feel better, even if your message never reaches its intended target. —What, exactly, makes your blood boil Forgiveness isn’t about swallowing anger or being a doormat(逆来顺受的人). It’s not about forgetting, either. On the contrary, it’s about acknowledging an offence with your eyes wide open—and then releasing the anger. That means conjuring unempathy(不执着)toward the person who hurt you, then focusing on the good parts of your life. c)An act of courage Still not convinced that it’s worth it to put your energies toward forgiving Besides the benefits to your psyche and physical health, true forgiveness is a sign of strength and soulfulness. "It takes a lot of moral muscle to forgive," says Dr. Witvleit of Hope College in Michigan. The bottom line: Forgiving ultimately benefits the forgiver more than the person who has done wrong. So start putting your own well-being first, and live life with as much interest and love as you can.Forgiveness has the following advantages except that_____.

A.it enables people to be smarter
B.it makes people more cheerful
C.it helps people to be healthier
D.it relieves people’s frustration
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Lack of sleep makes you gain weight and raises your risk for heart disease and diabetes, apart from resulting in【C1】______vision and questionable decision. Researchers have known for a while that sleep【C2】______tends to lead to overeating. And several studies have suggested that staying up all night or even just cutting back by a couple of hours makes people【C3】______to the calls of fast food, pizza and candy. Short sleep affects hormones that influence hunger, experts say, and the brain’s reward center becomes【C4】______active, drawing you to the carbs and fat. Researchers don’t know the exact point of sleeplessness that【C5】______one’s want for pizza or chocolate or other kinds of food. "There are【C6】______individual differences," says Jonathan Wisor, a sleep scientist at Washington State University. Recent research has confirmed that a pattern of insufficient sleep raises your risk for overweight and diabetes, too. Experts suspect that the results could【C7】______to anyone who works long hours or spends a lot of time staring at a smartphonet just before bed, and to people who【C8】______from insomnia or sleep disorder. If you assume you’re safe because study conditions tend to be fairly extreme, you had better think again. People who regularly get less than the【C9】______amount of sleep have been observed to eat 200 to 500 more calories per day than people who do not. Should you【C10】______time for a workout while being in lack of sleep No. When you drop below 6.5 or six hours of sleep, you need sleep more than you need to exercise. A)vulnerable B)deprivation C)optimum D)precaution E)squeeze F)triggers G)remarkably H)apply I)suffer J)regularly K)tremendous L)transcends M)blurred N)transient O)recruit【C1】

答案: 正确答案:M
问答题

Five Myths about College Debt [A]The trillion-dollar student debt burden has caused many debates about the value of college. Some argue that we educate too many young people. Indeed, average tuition costs have gone up faster than the rate of inflation. The cost of college today is, in inflation-adjusted terms, roughly double what it was in 1980. This creates legitimate concerns about the continued affordability of a college education. [B]But the debaters often have their facts wrong. Very few Americans graduate with $100,000 in debt; college makes more sense today than ever; and no, our universities aren’t blowing their money to fund college dorms and football stadiums. Myth 1: The financial return for going to college is less now than it used to be. [C]If anything, the value of an investment in college is higher now than it’s ever been. The college premium(the difference between the earnings of college graduates and high school graduates)is at its highest level ever. [D]It is true that in the years since the Great Recession, wages for recent college graduates have declined about 5 percent, but wages for those without a college degree have declined more than twice that, between 10 and 12 percent, increasing the college premium. Furthermore, the proportion of recent graduates who have gotten jobs coming out of college has been virtually unchanged from before the recession. In contrast, the employment rate for high school graduates and associate-degree holders has dropped by 8 to 10 percent Similarly, throughout the recession, the overall unemployment rate for bachelor’s degree holders has consistently been half that of non-college graduates. Myth 2: Colleges are not preparing students with the skills needed in the current workplace. [E]All of the economic data suggests the exact opposite—that the productivity of U.S. college graduates in the workplace is increasing. The broadest measure of the productivity differential between high school graduates and college graduates is how much employers are willing to pay for the latter over the former. This is known as the "college premium", and it has increased steadily since the 1970s. This is not due to a diminished supply of college graduates(indeed, the supply has risen over that period). [F]The college premium is larger in the United States than in virtually any other economically developed country. Across the 34 countries that make up the Organization for Economic Cooperation and Development(OECD), employers on average are willing to pay 1.8 times as much for a college graduate as they are for, an unskilled worker. But in the United States, employers pay 2.6 times as much for a college graduate. [G]A recent Milken Institute study found that for each additional year of college attained by the residents of a region, the per capita gross domestic product of the region increases a remarkable 17,4 percent. The authors argue that the increased regional productivity is largely the result of the increased productivity of a college-educated workforce.(Interestingly, they do not see a similar jump in productivity for additional education at the high school level.) Myth 3: On average, students are now borrowing $_____ to pay for their college education. [H]This is a myth, or at the very least misleading, for almost any figure reported in the national press.(Though the reported figures vary, the amount is generally more than $25,000.)There are several reasons for this, principally that the data being reported are generally based on one or another report of outstanding student loan balances or average debt levels for those with loans. [I]What most people are interested in, and what most people interpret these figures to represent, is how much a typical student must borrow to finance an undergraduate(bachelor’s)degree. Unfortunately, most figures reported lump together all student loan debt—for both undergraduate degrees and professional degrees. Furthermore, they report data on the average(mean)debt level among those who borrowed, not the median debt among all students, both those who borrowed and those who did not. [J]Data on debt levels at time of graduation is far harder to obtain. The Department of Education periodically gathers this information, but its most recent report only covers those who received bachelor’s degrees in 2008. Myth 4: College debt is at a crisis level. [K]College debt now exceeds total credit-card debt and total auto loans, both of which have dropped since the beginning of the recession. It is in fact the only kind of household debt that continued to increase throughout the recession. [L]There are three reasons for the increase. First, more students are going to college. Second, a higher percentage of them are borrowing to finance their education. And third, the amount they are borrowing has increased. Obviously, the first reason is to be applauded. It is in the interest of the students and the nation that more high school graduates go on to college. [M]The fact that more students are borrowing more to attend college is the result of several different factors, only partly the increased cost of tuition. Another major factor is a marked decline in college savings. According to Moody’s, during the past three years, the proportion of families with any college savings dropped from 60 percent to 50 percent, and those who saved set aside an average of only $11,781, down from $21,615 three years ago(a 45 percent decline). [N]What this means is that more families are substituting debt for college savings. But these are just alternative ways of spreading the cost of college over multiple years. This is certainly no more worrisome than the switch from buying refrigerators with debt rather than layaway plans. [O]But even more important is the fact that college spending is an investment in human capital. The Hamilton Project estimates that a student’s spending on college has a financial return of over 15 percent, more than twice the average return of a stock market investment over the past 60 years. When corporate America increases its debt to invest in physical capital—new factories, etc.—we do not consider it a crisis. It is a positive investment in future productivity. Similarly, when individuals borrow to invest in their own human capital, this is an investment in future productivity. We should arguably celebrate the fact that college debt, an investment in the future, exceeds credit-card debt, which represents current consumption. Myth 5: College costs are increasing faster than inflation largely because of wasteful spending on lavish dorms, recreation centers etc. [P]In a university’s overall budget, capital costs for "sweetness"(such as recreation centers)constitute a very small fraction of the budget Amortized(分期偿还)over the life of the asset, they may account for a few dollars of the annual tuition bill, but not much more. [Q]Ironically, one of the main factors pushing up costs at universities is the fact that the college premium—the wages paid to highly educated employees—is higher than ever. College costs are dominated by employee salaries, and most of these employees(whether faculty, staff or administrators)are themselves highly educated. So the same phenomenon that increases the financial return of going to college for students also increases the cost of attending college!Higher college premium accounts for part of the cost increase at universities.

答案: 正确答案:Q
问答题

Lack of sleep makes you gain weight and raises your risk for heart disease and diabetes, apart from resulting in【C1】______vision and questionable decision. Researchers have known for a while that sleep【C2】______tends to lead to overeating. And several studies have suggested that staying up all night or even just cutting back by a couple of hours makes people【C3】______to the calls of fast food, pizza and candy. Short sleep affects hormones that influence hunger, experts say, and the brain’s reward center becomes【C4】______active, drawing you to the carbs and fat. Researchers don’t know the exact point of sleeplessness that【C5】______one’s want for pizza or chocolate or other kinds of food. "There are【C6】______individual differences," says Jonathan Wisor, a sleep scientist at Washington State University. Recent research has confirmed that a pattern of insufficient sleep raises your risk for overweight and diabetes, too. Experts suspect that the results could【C7】______to anyone who works long hours or spends a lot of time staring at a smartphonet just before bed, and to people who【C8】______from insomnia or sleep disorder. If you assume you’re safe because study conditions tend to be fairly extreme, you had better think again. People who regularly get less than the【C9】______amount of sleep have been observed to eat 200 to 500 more calories per day than people who do not. Should you【C10】______time for a workout while being in lack of sleep No. When you drop below 6.5 or six hours of sleep, you need sleep more than you need to exercise. A)vulnerable B)deprivation C)optimum D)precaution E)squeeze F)triggers G)remarkably H)apply I)suffer J)regularly K)tremendous L)transcends M)blurred N)transient O)recruit【C2】

答案: 正确答案:B
单项选择题

One of the biggest changes since 1990 is the degree to which bioterrorism has become a public health priority. Although there had long been concern about vulnerability to biowarfare and bioterrorism, the anthrax episode in the fall of 2001 made it clear that the concern is no longer theoretical. Until very recently, the important role of public health at the frontlines of bioterrorism preparedness was unrecognized. Although concern about emerging infections has helped stimulate funding for the chronically underappreciated public health system, the threat of bioterrorism motivated the first real infusion of new money into public health in decades. Many of the capabilities needed to defend against bioterrorism are the same as those needed to combat natural emerging infections. In both instances, the problem is an unexpected outbreak of infectious disease, of which the first indication is likely to be sick people in emergency rooms or clinics. Indeed, as with the anthrax attacks, the public health and medical responses may be under way before the true nature of the outbreak is recognized. Public health and the interface with the health care system are therefore key elements in any effective response to bioterrorism. Whether the biggest threat is natural or engineered, much remains to be done. Efforts to strengthen surveillance and response worldwide and to improve communication must be accelerated and sustained. Further, we have only scratched the surface in terms of understanding the ecology of infectious diseases and developing strategies for regulating microbial traffic. We need tools for better predictive epidemiologic modeling when a new infection first appears and for better analysis of the factors that transfer pathogens(病原体)across species. One encouraging development is the program in the ecology of infectious disease that was started a few years ago becomes the National Science Foundation in cooperation with NIH. SARS is a good yardstick of our progress during the past 13 years. The syndrome was unusual because novel infections that spread from person to person are relatively rare. Once cases were finally reported, the public health response was vigorous. WHO warned health care providers, researchers rapidly identified a candidate virus, and prototype diagnostic tests quickly became available. The vast reach of the Internet was instrumental in sharing information and coordinating activities worldwide.According to the first paragraph, people have long ignored _____.

A.public health’s vulnerability to bioterrorism
B.public health’s role in fighting bioterrorism
C.the funding problem for the public health system
D.the procedures to erase the threat of bioterrorism
单项选择题

While the 1970s pop psychotherapy movement focused on the importance of letting anger out, more recent research suggests that there’s a smarter, healthier way to react to life’s slings and arrows; with forgiveness. In a recent study, it was found that when individuals were about to forgive, they experienced greater joy, a more profound sense of control over life and less depression. Sound appealing. a)Why holding a grudge(怨恨)can be harmful Your boyfriend blows you off for an important date. If you stay angry at him, you’ll probably get fresh flowers on your doorstep and maybe a fancy meal or two. But grudge-holding only gives us the illusion of power. If you hold on to that anger on a chronic basis, then it has power over you, eating away at your peace of mind and perhaps even your immune system. A study by Kathleen Lawler, Ph. D., a psychology professor at the University of Tennessee, confirms that people who are unable to forgive report more stress in their lives, more illness and more visits to the doctor than do forgiving folk. b)Going from a grudge to forgiveness A few ways to develop your capacity to turn the other cheek—Try writing a daily "forgiveness" reminder in your journal; it may sound corny(过时的), but it’s a great way to help gain control over your emotional life. —Write a letter to your offender, detailing exactly what’s bothering you. Then toss it. You’ll feel better, even if your message never reaches its intended target. —What, exactly, makes your blood boil Forgiveness isn’t about swallowing anger or being a doormat(逆来顺受的人). It’s not about forgetting, either. On the contrary, it’s about acknowledging an offence with your eyes wide open—and then releasing the anger. That means conjuring unempathy(不执着)toward the person who hurt you, then focusing on the good parts of your life. c)An act of courage Still not convinced that it’s worth it to put your energies toward forgiving Besides the benefits to your psyche and physical health, true forgiveness is a sign of strength and soulfulness. "It takes a lot of moral muscle to forgive," says Dr. Witvleit of Hope College in Michigan. The bottom line: Forgiving ultimately benefits the forgiver more than the person who has done wrong. So start putting your own well-being first, and live life with as much interest and love as you can.Forgiveness has the following advantages except that_____.

A.it enables people to be smarter
B.it makes people more cheerful
C.it helps people to be healthier
D.it relieves people’s frustration
问答题

Five Myths about College Debt [A]The trillion-dollar student debt burden has caused many debates about the value of college. Some argue that we educate too many young people. Indeed, average tuition costs have gone up faster than the rate of inflation. The cost of college today is, in inflation-adjusted terms, roughly double what it was in 1980. This creates legitimate concerns about the continued affordability of a college education. [B]But the debaters often have their facts wrong. Very few Americans graduate with $100,000 in debt; college makes more sense today than ever; and no, our universities aren’t blowing their money to fund college dorms and football stadiums. Myth 1: The financial return for going to college is less now than it used to be. [C]If anything, the value of an investment in college is higher now than it’s ever been. The college premium(the difference between the earnings of college graduates and high school graduates)is at its highest level ever. [D]It is true that in the years since the Great Recession, wages for recent college graduates have declined about 5 percent, but wages for those without a college degree have declined more than twice that, between 10 and 12 percent, increasing the college premium. Furthermore, the proportion of recent graduates who have gotten jobs coming out of college has been virtually unchanged from before the recession. In contrast, the employment rate for high school graduates and associate-degree holders has dropped by 8 to 10 percent Similarly, throughout the recession, the overall unemployment rate for bachelor’s degree holders has consistently been half that of non-college graduates. Myth 2: Colleges are not preparing students with the skills needed in the current workplace. [E]All of the economic data suggests the exact opposite—that the productivity of U.S. college graduates in the workplace is increasing. The broadest measure of the productivity differential between high school graduates and college graduates is how much employers are willing to pay for the latter over the former. This is known as the "college premium", and it has increased steadily since the 1970s. This is not due to a diminished supply of college graduates(indeed, the supply has risen over that period). [F]The college premium is larger in the United States than in virtually any other economically developed country. Across the 34 countries that make up the Organization for Economic Cooperation and Development(OECD), employers on average are willing to pay 1.8 times as much for a college graduate as they are for, an unskilled worker. But in the United States, employers pay 2.6 times as much for a college graduate. [G]A recent Milken Institute study found that for each additional year of college attained by the residents of a region, the per capita gross domestic product of the region increases a remarkable 17,4 percent. The authors argue that the increased regional productivity is largely the result of the increased productivity of a college-educated workforce.(Interestingly, they do not see a similar jump in productivity for additional education at the high school level.) Myth 3: On average, students are now borrowing $_____ to pay for their college education. [H]This is a myth, or at the very least misleading, for almost any figure reported in the national press.(Though the reported figures vary, the amount is generally more than $25,000.)There are several reasons for this, principally that the data being reported are generally based on one or another report of outstanding student loan balances or average debt levels for those with loans. [I]What most people are interested in, and what most people interpret these figures to represent, is how much a typical student must borrow to finance an undergraduate(bachelor’s)degree. Unfortunately, most figures reported lump together all student loan debt—for both undergraduate degrees and professional degrees. Furthermore, they report data on the average(mean)debt level among those who borrowed, not the median debt among all students, both those who borrowed and those who did not. [J]Data on debt levels at time of graduation is far harder to obtain. The Department of Education periodically gathers this information, but its most recent report only covers those who received bachelor’s degrees in 2008. Myth 4: College debt is at a crisis level. [K]College debt now exceeds total credit-card debt and total auto loans, both of which have dropped since the beginning of the recession. It is in fact the only kind of household debt that continued to increase throughout the recession. [L]There are three reasons for the increase. First, more students are going to college. Second, a higher percentage of them are borrowing to finance their education. And third, the amount they are borrowing has increased. Obviously, the first reason is to be applauded. It is in the interest of the students and the nation that more high school graduates go on to college. [M]The fact that more students are borrowing more to attend college is the result of several different factors, only partly the increased cost of tuition. Another major factor is a marked decline in college savings. According to Moody’s, during the past three years, the proportion of families with any college savings dropped from 60 percent to 50 percent, and those who saved set aside an average of only $11,781, down from $21,615 three years ago(a 45 percent decline). [N]What this means is that more families are substituting debt for college savings. But these are just alternative ways of spreading the cost of college over multiple years. This is certainly no more worrisome than the switch from buying refrigerators with debt rather than layaway plans. [O]But even more important is the fact that college spending is an investment in human capital. The Hamilton Project estimates that a student’s spending on college has a financial return of over 15 percent, more than twice the average return of a stock market investment over the past 60 years. When corporate America increases its debt to invest in physical capital—new factories, etc.—we do not consider it a crisis. It is a positive investment in future productivity. Similarly, when individuals borrow to invest in their own human capital, this is an investment in future productivity. We should arguably celebrate the fact that college debt, an investment in the future, exceeds credit-card debt, which represents current consumption. Myth 5: College costs are increasing faster than inflation largely because of wasteful spending on lavish dorms, recreation centers etc. [P]In a university’s overall budget, capital costs for "sweetness"(such as recreation centers)constitute a very small fraction of the budget Amortized(分期偿还)over the life of the asset, they may account for a few dollars of the annual tuition bill, but not much more. [Q]Ironically, one of the main factors pushing up costs at universities is the fact that the college premium—the wages paid to highly educated employees—is higher than ever. College costs are dominated by employee salaries, and most of these employees(whether faculty, staff or administrators)are themselves highly educated. So the same phenomenon that increases the financial return of going to college for students also increases the cost of attending college!Since the recession, the employment rate of recent college graduates has almost remained the same.

答案: 正确答案:D
单项选择题

One of the biggest changes since 1990 is the degree to which bioterrorism has become a public health priority. Although there had long been concern about vulnerability to biowarfare and bioterrorism, the anthrax episode in the fall of 2001 made it clear that the concern is no longer theoretical. Until very recently, the important role of public health at the frontlines of bioterrorism preparedness was unrecognized. Although concern about emerging infections has helped stimulate funding for the chronically underappreciated public health system, the threat of bioterrorism motivated the first real infusion of new money into public health in decades. Many of the capabilities needed to defend against bioterrorism are the same as those needed to combat natural emerging infections. In both instances, the problem is an unexpected outbreak of infectious disease, of which the first indication is likely to be sick people in emergency rooms or clinics. Indeed, as with the anthrax attacks, the public health and medical responses may be under way before the true nature of the outbreak is recognized. Public health and the interface with the health care system are therefore key elements in any effective response to bioterrorism. Whether the biggest threat is natural or engineered, much remains to be done. Efforts to strengthen surveillance and response worldwide and to improve communication must be accelerated and sustained. Further, we have only scratched the surface in terms of understanding the ecology of infectious diseases and developing strategies for regulating microbial traffic. We need tools for better predictive epidemiologic modeling when a new infection first appears and for better analysis of the factors that transfer pathogens(病原体)across species. One encouraging development is the program in the ecology of infectious disease that was started a few years ago becomes the National Science Foundation in cooperation with NIH. SARS is a good yardstick of our progress during the past 13 years. The syndrome was unusual because novel infections that spread from person to person are relatively rare. Once cases were finally reported, the public health response was vigorous. WHO warned health care providers, researchers rapidly identified a candidate virus, and prototype diagnostic tests quickly became available. The vast reach of the Internet was instrumental in sharing information and coordinating activities worldwide.What can we learn about the anthrax incident

A.It exposes the vulnerability to biowarfare and bioterrorism.
B.It cannot be coped with in the same way as natural infections.
C.Measures were taken against it when its nature was not determined.
D.The people infected with it were cured in emergency rooms or clinics.
单项选择题

While the 1970s pop psychotherapy movement focused on the importance of letting anger out, more recent research suggests that there’s a smarter, healthier way to react to life’s slings and arrows; with forgiveness. In a recent study, it was found that when individuals were about to forgive, they experienced greater joy, a more profound sense of control over life and less depression. Sound appealing. a)Why holding a grudge(怨恨)can be harmful Your boyfriend blows you off for an important date. If you stay angry at him, you’ll probably get fresh flowers on your doorstep and maybe a fancy meal or two. But grudge-holding only gives us the illusion of power. If you hold on to that anger on a chronic basis, then it has power over you, eating away at your peace of mind and perhaps even your immune system. A study by Kathleen Lawler, Ph. D., a psychology professor at the University of Tennessee, confirms that people who are unable to forgive report more stress in their lives, more illness and more visits to the doctor than do forgiving folk. b)Going from a grudge to forgiveness A few ways to develop your capacity to turn the other cheek—Try writing a daily "forgiveness" reminder in your journal; it may sound corny(过时的), but it’s a great way to help gain control over your emotional life. —Write a letter to your offender, detailing exactly what’s bothering you. Then toss it. You’ll feel better, even if your message never reaches its intended target. —What, exactly, makes your blood boil Forgiveness isn’t about swallowing anger or being a doormat(逆来顺受的人). It’s not about forgetting, either. On the contrary, it’s about acknowledging an offence with your eyes wide open—and then releasing the anger. That means conjuring unempathy(不执着)toward the person who hurt you, then focusing on the good parts of your life. c)An act of courage Still not convinced that it’s worth it to put your energies toward forgiving Besides the benefits to your psyche and physical health, true forgiveness is a sign of strength and soulfulness. "It takes a lot of moral muscle to forgive," says Dr. Witvleit of Hope College in Michigan. The bottom line: Forgiving ultimately benefits the forgiver more than the person who has done wrong. So start putting your own well-being first, and live life with as much interest and love as you can.According to the passage, if you keep feeling angry for a long time,_____.

A.the one who has done wrong will keep sending you presents
B.the one who has done wrong will ultimately apologize to you
C.you will have power over the one who has done wrong to you
D.you will gradually lose control over your mind and your health
问答题

Lack of sleep makes you gain weight and raises your risk for heart disease and diabetes, apart from resulting in【C1】______vision and questionable decision. Researchers have known for a while that sleep【C2】______tends to lead to overeating. And several studies have suggested that staying up all night or even just cutting back by a couple of hours makes people【C3】______to the calls of fast food, pizza and candy. Short sleep affects hormones that influence hunger, experts say, and the brain’s reward center becomes【C4】______active, drawing you to the carbs and fat. Researchers don’t know the exact point of sleeplessness that【C5】______one’s want for pizza or chocolate or other kinds of food. "There are【C6】______individual differences," says Jonathan Wisor, a sleep scientist at Washington State University. Recent research has confirmed that a pattern of insufficient sleep raises your risk for overweight and diabetes, too. Experts suspect that the results could【C7】______to anyone who works long hours or spends a lot of time staring at a smartphonet just before bed, and to people who【C8】______from insomnia or sleep disorder. If you assume you’re safe because study conditions tend to be fairly extreme, you had better think again. People who regularly get less than the【C9】______amount of sleep have been observed to eat 200 to 500 more calories per day than people who do not. Should you【C10】______time for a workout while being in lack of sleep No. When you drop below 6.5 or six hours of sleep, you need sleep more than you need to exercise. A)vulnerable B)deprivation C)optimum D)precaution E)squeeze F)triggers G)remarkably H)apply I)suffer J)regularly K)tremendous L)transcends M)blurred N)transient O)recruit【C3】

答案: 正确答案:A
问答题

Lack of sleep makes you gain weight and raises your risk for heart disease and diabetes, apart from resulting in【C1】______vision and questionable decision. Researchers have known for a while that sleep【C2】______tends to lead to overeating. And several studies have suggested that staying up all night or even just cutting back by a couple of hours makes people【C3】______to the calls of fast food, pizza and candy. Short sleep affects hormones that influence hunger, experts say, and the brain’s reward center becomes【C4】______active, drawing you to the carbs and fat. Researchers don’t know the exact point of sleeplessness that【C5】______one’s want for pizza or chocolate or other kinds of food. "There are【C6】______individual differences," says Jonathan Wisor, a sleep scientist at Washington State University. Recent research has confirmed that a pattern of insufficient sleep raises your risk for overweight and diabetes, too. Experts suspect that the results could【C7】______to anyone who works long hours or spends a lot of time staring at a smartphonet just before bed, and to people who【C8】______from insomnia or sleep disorder. If you assume you’re safe because study conditions tend to be fairly extreme, you had better think again. People who regularly get less than the【C9】______amount of sleep have been observed to eat 200 to 500 more calories per day than people who do not. Should you【C10】______time for a workout while being in lack of sleep No. When you drop below 6.5 or six hours of sleep, you need sleep more than you need to exercise. A)vulnerable B)deprivation C)optimum D)precaution E)squeeze F)triggers G)remarkably H)apply I)suffer J)regularly K)tremendous L)transcends M)blurred N)transient O)recruit【C4】

答案: 正确答案:G
单项选择题

While the 1970s pop psychotherapy movement focused on the importance of letting anger out, more recent research suggests that there’s a smarter, healthier way to react to life’s slings and arrows; with forgiveness. In a recent study, it was found that when individuals were about to forgive, they experienced greater joy, a more profound sense of control over life and less depression. Sound appealing. a)Why holding a grudge(怨恨)can be harmful Your boyfriend blows you off for an important date. If you stay angry at him, you’ll probably get fresh flowers on your doorstep and maybe a fancy meal or two. But grudge-holding only gives us the illusion of power. If you hold on to that anger on a chronic basis, then it has power over you, eating away at your peace of mind and perhaps even your immune system. A study by Kathleen Lawler, Ph. D., a psychology professor at the University of Tennessee, confirms that people who are unable to forgive report more stress in their lives, more illness and more visits to the doctor than do forgiving folk. b)Going from a grudge to forgiveness A few ways to develop your capacity to turn the other cheek—Try writing a daily "forgiveness" reminder in your journal; it may sound corny(过时的), but it’s a great way to help gain control over your emotional life. —Write a letter to your offender, detailing exactly what’s bothering you. Then toss it. You’ll feel better, even if your message never reaches its intended target. —What, exactly, makes your blood boil Forgiveness isn’t about swallowing anger or being a doormat(逆来顺受的人). It’s not about forgetting, either. On the contrary, it’s about acknowledging an offence with your eyes wide open—and then releasing the anger. That means conjuring unempathy(不执着)toward the person who hurt you, then focusing on the good parts of your life. c)An act of courage Still not convinced that it’s worth it to put your energies toward forgiving Besides the benefits to your psyche and physical health, true forgiveness is a sign of strength and soulfulness. "It takes a lot of moral muscle to forgive," says Dr. Witvleit of Hope College in Michigan. The bottom line: Forgiving ultimately benefits the forgiver more than the person who has done wrong. So start putting your own well-being first, and live life with as much interest and love as you can.The author thinks when one forgives,_____

A.he endures the offence without complaints
B.he tries his best to forget the bad experience
C.he does not cling to the past but welcomes the bright side of life
D.he does not carry out revenge but reminds himself of the offence
问答题

Five Myths about College Debt [A]The trillion-dollar student debt burden has caused many debates about the value of college. Some argue that we educate too many young people. Indeed, average tuition costs have gone up faster than the rate of inflation. The cost of college today is, in inflation-adjusted terms, roughly double what it was in 1980. This creates legitimate concerns about the continued affordability of a college education. [B]But the debaters often have their facts wrong. Very few Americans graduate with $100,000 in debt; college makes more sense today than ever; and no, our universities aren’t blowing their money to fund college dorms and football stadiums. Myth 1: The financial return for going to college is less now than it used to be. [C]If anything, the value of an investment in college is higher now than it’s ever been. The college premium(the difference between the earnings of college graduates and high school graduates)is at its highest level ever. [D]It is true that in the years since the Great Recession, wages for recent college graduates have declined about 5 percent, but wages for those without a college degree have declined more than twice that, between 10 and 12 percent, increasing the college premium. Furthermore, the proportion of recent graduates who have gotten jobs coming out of college has been virtually unchanged from before the recession. In contrast, the employment rate for high school graduates and associate-degree holders has dropped by 8 to 10 percent Similarly, throughout the recession, the overall unemployment rate for bachelor’s degree holders has consistently been half that of non-college graduates. Myth 2: Colleges are not preparing students with the skills needed in the current workplace. [E]All of the economic data suggests the exact opposite—that the productivity of U.S. college graduates in the workplace is increasing. The broadest measure of the productivity differential between high school graduates and college graduates is how much employers are willing to pay for the latter over the former. This is known as the "college premium", and it has increased steadily since the 1970s. This is not due to a diminished supply of college graduates(indeed, the supply has risen over that period). [F]The college premium is larger in the United States than in virtually any other economically developed country. Across the 34 countries that make up the Organization for Economic Cooperation and Development(OECD), employers on average are willing to pay 1.8 times as much for a college graduate as they are for, an unskilled worker. But in the United States, employers pay 2.6 times as much for a college graduate. [G]A recent Milken Institute study found that for each additional year of college attained by the residents of a region, the per capita gross domestic product of the region increases a remarkable 17,4 percent. The authors argue that the increased regional productivity is largely the result of the increased productivity of a college-educated workforce.(Interestingly, they do not see a similar jump in productivity for additional education at the high school level.) Myth 3: On average, students are now borrowing $_____ to pay for their college education. [H]This is a myth, or at the very least misleading, for almost any figure reported in the national press.(Though the reported figures vary, the amount is generally more than $25,000.)There are several reasons for this, principally that the data being reported are generally based on one or another report of outstanding student loan balances or average debt levels for those with loans. [I]What most people are interested in, and what most people interpret these figures to represent, is how much a typical student must borrow to finance an undergraduate(bachelor’s)degree. Unfortunately, most figures reported lump together all student loan debt—for both undergraduate degrees and professional degrees. Furthermore, they report data on the average(mean)debt level among those who borrowed, not the median debt among all students, both those who borrowed and those who did not. [J]Data on debt levels at time of graduation is far harder to obtain. The Department of Education periodically gathers this information, but its most recent report only covers those who received bachelor’s degrees in 2008. Myth 4: College debt is at a crisis level. [K]College debt now exceeds total credit-card debt and total auto loans, both of which have dropped since the beginning of the recession. It is in fact the only kind of household debt that continued to increase throughout the recession. [L]There are three reasons for the increase. First, more students are going to college. Second, a higher percentage of them are borrowing to finance their education. And third, the amount they are borrowing has increased. Obviously, the first reason is to be applauded. It is in the interest of the students and the nation that more high school graduates go on to college. [M]The fact that more students are borrowing more to attend college is the result of several different factors, only partly the increased cost of tuition. Another major factor is a marked decline in college savings. According to Moody’s, during the past three years, the proportion of families with any college savings dropped from 60 percent to 50 percent, and those who saved set aside an average of only $11,781, down from $21,615 three years ago(a 45 percent decline). [N]What this means is that more families are substituting debt for college savings. But these are just alternative ways of spreading the cost of college over multiple years. This is certainly no more worrisome than the switch from buying refrigerators with debt rather than layaway plans. [O]But even more important is the fact that college spending is an investment in human capital. The Hamilton Project estimates that a student’s spending on college has a financial return of over 15 percent, more than twice the average return of a stock market investment over the past 60 years. When corporate America increases its debt to invest in physical capital—new factories, etc.—we do not consider it a crisis. It is a positive investment in future productivity. Similarly, when individuals borrow to invest in their own human capital, this is an investment in future productivity. We should arguably celebrate the fact that college debt, an investment in the future, exceeds credit-card debt, which represents current consumption. Myth 5: College costs are increasing faster than inflation largely because of wasteful spending on lavish dorms, recreation centers etc. [P]In a university’s overall budget, capital costs for "sweetness"(such as recreation centers)constitute a very small fraction of the budget Amortized(分期偿还)over the life of the asset, they may account for a few dollars of the annual tuition bill, but not much more. [Q]Ironically, one of the main factors pushing up costs at universities is the fact that the college premium—the wages paid to highly educated employees—is higher than ever. College costs are dominated by employee salaries, and most of these employees(whether faculty, staff or administrators)are themselves highly educated. So the same phenomenon that increases the financial return of going to college for students also increases the cost of attending college!Some loan figures combine the student debts for bachelor’s degrees and" professional degrees.

答案: 正确答案:I
单项选择题

One of the biggest changes since 1990 is the degree to which bioterrorism has become a public health priority. Although there had long been concern about vulnerability to biowarfare and bioterrorism, the anthrax episode in the fall of 2001 made it clear that the concern is no longer theoretical. Until very recently, the important role of public health at the frontlines of bioterrorism preparedness was unrecognized. Although concern about emerging infections has helped stimulate funding for the chronically underappreciated public health system, the threat of bioterrorism motivated the first real infusion of new money into public health in decades. Many of the capabilities needed to defend against bioterrorism are the same as those needed to combat natural emerging infections. In both instances, the problem is an unexpected outbreak of infectious disease, of which the first indication is likely to be sick people in emergency rooms or clinics. Indeed, as with the anthrax attacks, the public health and medical responses may be under way before the true nature of the outbreak is recognized. Public health and the interface with the health care system are therefore key elements in any effective response to bioterrorism. Whether the biggest threat is natural or engineered, much remains to be done. Efforts to strengthen surveillance and response worldwide and to improve communication must be accelerated and sustained. Further, we have only scratched the surface in terms of understanding the ecology of infectious diseases and developing strategies for regulating microbial traffic. We need tools for better predictive epidemiologic modeling when a new infection first appears and for better analysis of the factors that transfer pathogens(病原体)across species. One encouraging development is the program in the ecology of infectious disease that was started a few years ago becomes the National Science Foundation in cooperation with NIH. SARS is a good yardstick of our progress during the past 13 years. The syndrome was unusual because novel infections that spread from person to person are relatively rare. Once cases were finally reported, the public health response was vigorous. WHO warned health care providers, researchers rapidly identified a candidate virus, and prototype diagnostic tests quickly became available. The vast reach of the Internet was instrumental in sharing information and coordinating activities worldwide.What does the author think of the research on infectious diseases

A.It will be a long-term process.
B.The findings are not solid enough.
C.What has been done is satisfactory.
D.More profound work needs to be done.
问答题

Lack of sleep makes you gain weight and raises your risk for heart disease and diabetes, apart from resulting in【C1】______vision and questionable decision. Researchers have known for a while that sleep【C2】______tends to lead to overeating. And several studies have suggested that staying up all night or even just cutting back by a couple of hours makes people【C3】______to the calls of fast food, pizza and candy. Short sleep affects hormones that influence hunger, experts say, and the brain’s reward center becomes【C4】______active, drawing you to the carbs and fat. Researchers don’t know the exact point of sleeplessness that【C5】______one’s want for pizza or chocolate or other kinds of food. "There are【C6】______individual differences," says Jonathan Wisor, a sleep scientist at Washington State University. Recent research has confirmed that a pattern of insufficient sleep raises your risk for overweight and diabetes, too. Experts suspect that the results could【C7】______to anyone who works long hours or spends a lot of time staring at a smartphonet just before bed, and to people who【C8】______from insomnia or sleep disorder. If you assume you’re safe because study conditions tend to be fairly extreme, you had better think again. People who regularly get less than the【C9】______amount of sleep have been observed to eat 200 to 500 more calories per day than people who do not. Should you【C10】______time for a workout while being in lack of sleep No. When you drop below 6.5 or six hours of sleep, you need sleep more than you need to exercise. A)vulnerable B)deprivation C)optimum D)precaution E)squeeze F)triggers G)remarkably H)apply I)suffer J)regularly K)tremendous L)transcends M)blurred N)transient O)recruit【C5】

答案: 正确答案:F
单项选择题

While the 1970s pop psychotherapy movement focused on the importance of letting anger out, more recent research suggests that there’s a smarter, healthier way to react to life’s slings and arrows; with forgiveness. In a recent study, it was found that when individuals were about to forgive, they experienced greater joy, a more profound sense of control over life and less depression. Sound appealing. a)Why holding a grudge(怨恨)can be harmful Your boyfriend blows you off for an important date. If you stay angry at him, you’ll probably get fresh flowers on your doorstep and maybe a fancy meal or two. But grudge-holding only gives us the illusion of power. If you hold on to that anger on a chronic basis, then it has power over you, eating away at your peace of mind and perhaps even your immune system. A study by Kathleen Lawler, Ph. D., a psychology professor at the University of Tennessee, confirms that people who are unable to forgive report more stress in their lives, more illness and more visits to the doctor than do forgiving folk. b)Going from a grudge to forgiveness A few ways to develop your capacity to turn the other cheek—Try writing a daily "forgiveness" reminder in your journal; it may sound corny(过时的), but it’s a great way to help gain control over your emotional life. —Write a letter to your offender, detailing exactly what’s bothering you. Then toss it. You’ll feel better, even if your message never reaches its intended target. —What, exactly, makes your blood boil Forgiveness isn’t about swallowing anger or being a doormat(逆来顺受的人). It’s not about forgetting, either. On the contrary, it’s about acknowledging an offence with your eyes wide open—and then releasing the anger. That means conjuring unempathy(不执着)toward the person who hurt you, then focusing on the good parts of your life. c)An act of courage Still not convinced that it’s worth it to put your energies toward forgiving Besides the benefits to your psyche and physical health, true forgiveness is a sign of strength and soulfulness. "It takes a lot of moral muscle to forgive," says Dr. Witvleit of Hope College in Michigan. The bottom line: Forgiving ultimately benefits the forgiver more than the person who has done wrong. So start putting your own well-being first, and live life with as much interest and love as you can.Dr. Witvleit thinks to forgive _____.

A.benefits one’s physical health
B.benefits one’s mental health
C.costs one’s time and energy
D.shows one’s spiritual virtue
问答题

Lack of sleep makes you gain weight and raises your risk for heart disease and diabetes, apart from resulting in【C1】______vision and questionable decision. Researchers have known for a while that sleep【C2】______tends to lead to overeating. And several studies have suggested that staying up all night or even just cutting back by a couple of hours makes people【C3】______to the calls of fast food, pizza and candy. Short sleep affects hormones that influence hunger, experts say, and the brain’s reward center becomes【C4】______active, drawing you to the carbs and fat. Researchers don’t know the exact point of sleeplessness that【C5】______one’s want for pizza or chocolate or other kinds of food. "There are【C6】______individual differences," says Jonathan Wisor, a sleep scientist at Washington State University. Recent research has confirmed that a pattern of insufficient sleep raises your risk for overweight and diabetes, too. Experts suspect that the results could【C7】______to anyone who works long hours or spends a lot of time staring at a smartphonet just before bed, and to people who【C8】______from insomnia or sleep disorder. If you assume you’re safe because study conditions tend to be fairly extreme, you had better think again. People who regularly get less than the【C9】______amount of sleep have been observed to eat 200 to 500 more calories per day than people who do not. Should you【C10】______time for a workout while being in lack of sleep No. When you drop below 6.5 or six hours of sleep, you need sleep more than you need to exercise. A)vulnerable B)deprivation C)optimum D)precaution E)squeeze F)triggers G)remarkably H)apply I)suffer J)regularly K)tremendous L)transcends M)blurred N)transient O)recruit【C6】

答案: 正确答案:K
单项选择题

While the 1970s pop psychotherapy movement focused on the importance of letting anger out, more recent research suggests that there’s a smarter, healthier way to react to life’s slings and arrows; with forgiveness. In a recent study, it was found that when individuals were about to forgive, they experienced greater joy, a more profound sense of control over life and less depression. Sound appealing. a)Why holding a grudge(怨恨)can be harmful Your boyfriend blows you off for an important date. If you stay angry at him, you’ll probably get fresh flowers on your doorstep and maybe a fancy meal or two. But grudge-holding only gives us the illusion of power. If you hold on to that anger on a chronic basis, then it has power over you, eating away at your peace of mind and perhaps even your immune system. A study by Kathleen Lawler, Ph. D., a psychology professor at the University of Tennessee, confirms that people who are unable to forgive report more stress in their lives, more illness and more visits to the doctor than do forgiving folk. b)Going from a grudge to forgiveness A few ways to develop your capacity to turn the other cheek—Try writing a daily "forgiveness" reminder in your journal; it may sound corny(过时的), but it’s a great way to help gain control over your emotional life. —Write a letter to your offender, detailing exactly what’s bothering you. Then toss it. You’ll feel better, even if your message never reaches its intended target. —What, exactly, makes your blood boil Forgiveness isn’t about swallowing anger or being a doormat(逆来顺受的人). It’s not about forgetting, either. On the contrary, it’s about acknowledging an offence with your eyes wide open—and then releasing the anger. That means conjuring unempathy(不执着)toward the person who hurt you, then focusing on the good parts of your life. c)An act of courage Still not convinced that it’s worth it to put your energies toward forgiving Besides the benefits to your psyche and physical health, true forgiveness is a sign of strength and soulfulness. "It takes a lot of moral muscle to forgive," says Dr. Witvleit of Hope College in Michigan. The bottom line: Forgiving ultimately benefits the forgiver more than the person who has done wrong. So start putting your own well-being first, and live life with as much interest and love as you can.The author most probably wants to _____.

A.inform the reader
B.instruct the reader
C.compare two ways of treating anger
D.focus on the advantage of forgiving
问答题

Five Myths about College Debt [A]The trillion-dollar student debt burden has caused many debates about the value of college. Some argue that we educate too many young people. Indeed, average tuition costs have gone up faster than the rate of inflation. The cost of college today is, in inflation-adjusted terms, roughly double what it was in 1980. This creates legitimate concerns about the continued affordability of a college education. [B]But the debaters often have their facts wrong. Very few Americans graduate with $100,000 in debt; college makes more sense today than ever; and no, our universities aren’t blowing their money to fund college dorms and football stadiums. Myth 1: The financial return for going to college is less now than it used to be. [C]If anything, the value of an investment in college is higher now than it’s ever been. The college premium(the difference between the earnings of college graduates and high school graduates)is at its highest level ever. [D]It is true that in the years since the Great Recession, wages for recent college graduates have declined about 5 percent, but wages for those without a college degree have declined more than twice that, between 10 and 12 percent, increasing the college premium. Furthermore, the proportion of recent graduates who have gotten jobs coming out of college has been virtually unchanged from before the recession. In contrast, the employment rate for high school graduates and associate-degree holders has dropped by 8 to 10 percent Similarly, throughout the recession, the overall unemployment rate for bachelor’s degree holders has consistently been half that of non-college graduates. Myth 2: Colleges are not preparing students with the skills needed in the current workplace. [E]All of the economic data suggests the exact opposite—that the productivity of U.S. college graduates in the workplace is increasing. The broadest measure of the productivity differential between high school graduates and college graduates is how much employers are willing to pay for the latter over the former. This is known as the "college premium", and it has increased steadily since the 1970s. This is not due to a diminished supply of college graduates(indeed, the supply has risen over that period). [F]The college premium is larger in the United States than in virtually any other economically developed country. Across the 34 countries that make up the Organization for Economic Cooperation and Development(OECD), employers on average are willing to pay 1.8 times as much for a college graduate as they are for, an unskilled worker. But in the United States, employers pay 2.6 times as much for a college graduate. [G]A recent Milken Institute study found that for each additional year of college attained by the residents of a region, the per capita gross domestic product of the region increases a remarkable 17,4 percent. The authors argue that the increased regional productivity is largely the result of the increased productivity of a college-educated workforce.(Interestingly, they do not see a similar jump in productivity for additional education at the high school level.) Myth 3: On average, students are now borrowing $_____ to pay for their college education. [H]This is a myth, or at the very least misleading, for almost any figure reported in the national press.(Though the reported figures vary, the amount is generally more than $25,000.)There are several reasons for this, principally that the data being reported are generally based on one or another report of outstanding student loan balances or average debt levels for those with loans. [I]What most people are interested in, and what most people interpret these figures to represent, is how much a typical student must borrow to finance an undergraduate(bachelor’s)degree. Unfortunately, most figures reported lump together all student loan debt—for both undergraduate degrees and professional degrees. Furthermore, they report data on the average(mean)debt level among those who borrowed, not the median debt among all students, both those who borrowed and those who did not. [J]Data on debt levels at time of graduation is far harder to obtain. The Department of Education periodically gathers this information, but its most recent report only covers those who received bachelor’s degrees in 2008. Myth 4: College debt is at a crisis level. [K]College debt now exceeds total credit-card debt and total auto loans, both of which have dropped since the beginning of the recession. It is in fact the only kind of household debt that continued to increase throughout the recession. [L]There are three reasons for the increase. First, more students are going to college. Second, a higher percentage of them are borrowing to finance their education. And third, the amount they are borrowing has increased. Obviously, the first reason is to be applauded. It is in the interest of the students and the nation that more high school graduates go on to college. [M]The fact that more students are borrowing more to attend college is the result of several different factors, only partly the increased cost of tuition. Another major factor is a marked decline in college savings. According to Moody’s, during the past three years, the proportion of families with any college savings dropped from 60 percent to 50 percent, and those who saved set aside an average of only $11,781, down from $21,615 three years ago(a 45 percent decline). [N]What this means is that more families are substituting debt for college savings. But these are just alternative ways of spreading the cost of college over multiple years. This is certainly no more worrisome than the switch from buying refrigerators with debt rather than layaway plans. [O]But even more important is the fact that college spending is an investment in human capital. The Hamilton Project estimates that a student’s spending on college has a financial return of over 15 percent, more than twice the average return of a stock market investment over the past 60 years. When corporate America increases its debt to invest in physical capital—new factories, etc.—we do not consider it a crisis. It is a positive investment in future productivity. Similarly, when individuals borrow to invest in their own human capital, this is an investment in future productivity. We should arguably celebrate the fact that college debt, an investment in the future, exceeds credit-card debt, which represents current consumption. Myth 5: College costs are increasing faster than inflation largely because of wasteful spending on lavish dorms, recreation centers etc. [P]In a university’s overall budget, capital costs for "sweetness"(such as recreation centers)constitute a very small fraction of the budget Amortized(分期偿还)over the life of the asset, they may account for a few dollars of the annual tuition bill, but not much more. [Q]Ironically, one of the main factors pushing up costs at universities is the fact that the college premium—the wages paid to highly educated employees—is higher than ever. College costs are dominated by employee salaries, and most of these employees(whether faculty, staff or administrators)are themselves highly educated. So the same phenomenon that increases the financial return of going to college for students also increases the cost of attending college!Taking inflation into consideration, the average college cost today is almost twice as much as that in 1980.

答案: 正确答案:A
单项选择题

One of the biggest changes since 1990 is the degree to which bioterrorism has become a public health priority. Although there had long been concern about vulnerability to biowarfare and bioterrorism, the anthrax episode in the fall of 2001 made it clear that the concern is no longer theoretical. Until very recently, the important role of public health at the frontlines of bioterrorism preparedness was unrecognized. Although concern about emerging infections has helped stimulate funding for the chronically underappreciated public health system, the threat of bioterrorism motivated the first real infusion of new money into public health in decades. Many of the capabilities needed to defend against bioterrorism are the same as those needed to combat natural emerging infections. In both instances, the problem is an unexpected outbreak of infectious disease, of which the first indication is likely to be sick people in emergency rooms or clinics. Indeed, as with the anthrax attacks, the public health and medical responses may be under way before the true nature of the outbreak is recognized. Public health and the interface with the health care system are therefore key elements in any effective response to bioterrorism. Whether the biggest threat is natural or engineered, much remains to be done. Efforts to strengthen surveillance and response worldwide and to improve communication must be accelerated and sustained. Further, we have only scratched the surface in terms of understanding the ecology of infectious diseases and developing strategies for regulating microbial traffic. We need tools for better predictive epidemiologic modeling when a new infection first appears and for better analysis of the factors that transfer pathogens(病原体)across species. One encouraging development is the program in the ecology of infectious disease that was started a few years ago becomes the National Science Foundation in cooperation with NIH. SARS is a good yardstick of our progress during the past 13 years. The syndrome was unusual because novel infections that spread from person to person are relatively rare. Once cases were finally reported, the public health response was vigorous. WHO warned health care providers, researchers rapidly identified a candidate virus, and prototype diagnostic tests quickly became available. The vast reach of the Internet was instrumental in sharing information and coordinating activities worldwide.How was SARS different from other infectious diseases

A.It spreads from person to person.
B.It is the latest engineered infection.
C.It takes a long time to identify the symptoms.
D.It manifests the progress in relevant research.
问答题

Lack of sleep makes you gain weight and raises your risk for heart disease and diabetes, apart from resulting in【C1】______vision and questionable decision. Researchers have known for a while that sleep【C2】______tends to lead to overeating. And several studies have suggested that staying up all night or even just cutting back by a couple of hours makes people【C3】______to the calls of fast food, pizza and candy. Short sleep affects hormones that influence hunger, experts say, and the brain’s reward center becomes【C4】______active, drawing you to the carbs and fat. Researchers don’t know the exact point of sleeplessness that【C5】______one’s want for pizza or chocolate or other kinds of food. "There are【C6】______individual differences," says Jonathan Wisor, a sleep scientist at Washington State University. Recent research has confirmed that a pattern of insufficient sleep raises your risk for overweight and diabetes, too. Experts suspect that the results could【C7】______to anyone who works long hours or spends a lot of time staring at a smartphonet just before bed, and to people who【C8】______from insomnia or sleep disorder. If you assume you’re safe because study conditions tend to be fairly extreme, you had better think again. People who regularly get less than the【C9】______amount of sleep have been observed to eat 200 to 500 more calories per day than people who do not. Should you【C10】______time for a workout while being in lack of sleep No. When you drop below 6.5 or six hours of sleep, you need sleep more than you need to exercise. A)vulnerable B)deprivation C)optimum D)precaution E)squeeze F)triggers G)remarkably H)apply I)suffer J)regularly K)tremendous L)transcends M)blurred N)transient O)recruit【C7】

答案: 正确答案:H
问答题

Five Myths about College Debt [A]The trillion-dollar student debt burden has caused many debates about the value of college. Some argue that we educate too many young people. Indeed, average tuition costs have gone up faster than the rate of inflation. The cost of college today is, in inflation-adjusted terms, roughly double what it was in 1980. This creates legitimate concerns about the continued affordability of a college education. [B]But the debaters often have their facts wrong. Very few Americans graduate with $100,000 in debt; college makes more sense today than ever; and no, our universities aren’t blowing their money to fund college dorms and football stadiums. Myth 1: The financial return for going to college is less now than it used to be. [C]If anything, the value of an investment in college is higher now than it’s ever been. The college premium(the difference between the earnings of college graduates and high school graduates)is at its highest level ever. [D]It is true that in the years since the Great Recession, wages for recent college graduates have declined about 5 percent, but wages for those without a college degree have declined more than twice that, between 10 and 12 percent, increasing the college premium. Furthermore, the proportion of recent graduates who have gotten jobs coming out of college has been virtually unchanged from before the recession. In contrast, the employment rate for high school graduates and associate-degree holders has dropped by 8 to 10 percent Similarly, throughout the recession, the overall unemployment rate for bachelor’s degree holders has consistently been half that of non-college graduates. Myth 2: Colleges are not preparing students with the skills needed in the current workplace. [E]All of the economic data suggests the exact opposite—that the productivity of U.S. college graduates in the workplace is increasing. The broadest measure of the productivity differential between high school graduates and college graduates is how much employers are willing to pay for the latter over the former. This is known as the "college premium", and it has increased steadily since the 1970s. This is not due to a diminished supply of college graduates(indeed, the supply has risen over that period). [F]The college premium is larger in the United States than in virtually any other economically developed country. Across the 34 countries that make up the Organization for Economic Cooperation and Development(OECD), employers on average are willing to pay 1.8 times as much for a college graduate as they are for, an unskilled worker. But in the United States, employers pay 2.6 times as much for a college graduate. [G]A recent Milken Institute study found that for each additional year of college attained by the residents of a region, the per capita gross domestic product of the region increases a remarkable 17,4 percent. The authors argue that the increased regional productivity is largely the result of the increased productivity of a college-educated workforce.(Interestingly, they do not see a similar jump in productivity for additional education at the high school level.) Myth 3: On average, students are now borrowing $_____ to pay for their college education. [H]This is a myth, or at the very least misleading, for almost any figure reported in the national press.(Though the reported figures vary, the amount is generally more than $25,000.)There are several reasons for this, principally that the data being reported are generally based on one or another report of outstanding student loan balances or average debt levels for those with loans. [I]What most people are interested in, and what most people interpret these figures to represent, is how much a typical student must borrow to finance an undergraduate(bachelor’s)degree. Unfortunately, most figures reported lump together all student loan debt—for both undergraduate degrees and professional degrees. Furthermore, they report data on the average(mean)debt level among those who borrowed, not the median debt among all students, both those who borrowed and those who did not. [J]Data on debt levels at time of graduation is far harder to obtain. The Department of Education periodically gathers this information, but its most recent report only covers those who received bachelor’s degrees in 2008. Myth 4: College debt is at a crisis level. [K]College debt now exceeds total credit-card debt and total auto loans, both of which have dropped since the beginning of the recession. It is in fact the only kind of household debt that continued to increase throughout the recession. [L]There are three reasons for the increase. First, more students are going to college. Second, a higher percentage of them are borrowing to finance their education. And third, the amount they are borrowing has increased. Obviously, the first reason is to be applauded. It is in the interest of the students and the nation that more high school graduates go on to college. [M]The fact that more students are borrowing more to attend college is the result of several different factors, only partly the increased cost of tuition. Another major factor is a marked decline in college savings. According to Moody’s, during the past three years, the proportion of families with any college savings dropped from 60 percent to 50 percent, and those who saved set aside an average of only $11,781, down from $21,615 three years ago(a 45 percent decline). [N]What this means is that more families are substituting debt for college savings. But these are just alternative ways of spreading the cost of college over multiple years. This is certainly no more worrisome than the switch from buying refrigerators with debt rather than layaway plans. [O]But even more important is the fact that college spending is an investment in human capital. The Hamilton Project estimates that a student’s spending on college has a financial return of over 15 percent, more than twice the average return of a stock market investment over the past 60 years. When corporate America increases its debt to invest in physical capital—new factories, etc.—we do not consider it a crisis. It is a positive investment in future productivity. Similarly, when individuals borrow to invest in their own human capital, this is an investment in future productivity. We should arguably celebrate the fact that college debt, an investment in the future, exceeds credit-card debt, which represents current consumption. Myth 5: College costs are increasing faster than inflation largely because of wasteful spending on lavish dorms, recreation centers etc. [P]In a university’s overall budget, capital costs for "sweetness"(such as recreation centers)constitute a very small fraction of the budget Amortized(分期偿还)over the life of the asset, they may account for a few dollars of the annual tuition bill, but not much more. [Q]Ironically, one of the main factors pushing up costs at universities is the fact that the college premium—the wages paid to highly educated employees—is higher than ever. College costs are dominated by employee salaries, and most of these employees(whether faculty, staff or administrators)are themselves highly educated. So the same phenomenon that increases the financial return of going to college for students also increases the cost of attending college!There is no need to worry about replacing college savings with debt.

答案: 正确答案:N
问答题

Lack of sleep makes you gain weight and raises your risk for heart disease and diabetes, apart from resulting in【C1】______vision and questionable decision. Researchers have known for a while that sleep【C2】______tends to lead to overeating. And several studies have suggested that staying up all night or even just cutting back by a couple of hours makes people【C3】______to the calls of fast food, pizza and candy. Short sleep affects hormones that influence hunger, experts say, and the brain’s reward center becomes【C4】______active, drawing you to the carbs and fat. Researchers don’t know the exact point of sleeplessness that【C5】______one’s want for pizza or chocolate or other kinds of food. "There are【C6】______individual differences," says Jonathan Wisor, a sleep scientist at Washington State University. Recent research has confirmed that a pattern of insufficient sleep raises your risk for overweight and diabetes, too. Experts suspect that the results could【C7】______to anyone who works long hours or spends a lot of time staring at a smartphonet just before bed, and to people who【C8】______from insomnia or sleep disorder. If you assume you’re safe because study conditions tend to be fairly extreme, you had better think again. People who regularly get less than the【C9】______amount of sleep have been observed to eat 200 to 500 more calories per day than people who do not. Should you【C10】______time for a workout while being in lack of sleep No. When you drop below 6.5 or six hours of sleep, you need sleep more than you need to exercise. A)vulnerable B)deprivation C)optimum D)precaution E)squeeze F)triggers G)remarkably H)apply I)suffer J)regularly K)tremendous L)transcends M)blurred N)transient O)recruit【C8】

答案: 正确答案:I
单项选择题

One of the biggest changes since 1990 is the degree to which bioterrorism has become a public health priority. Although there had long been concern about vulnerability to biowarfare and bioterrorism, the anthrax episode in the fall of 2001 made it clear that the concern is no longer theoretical. Until very recently, the important role of public health at the frontlines of bioterrorism preparedness was unrecognized. Although concern about emerging infections has helped stimulate funding for the chronically underappreciated public health system, the threat of bioterrorism motivated the first real infusion of new money into public health in decades. Many of the capabilities needed to defend against bioterrorism are the same as those needed to combat natural emerging infections. In both instances, the problem is an unexpected outbreak of infectious disease, of which the first indication is likely to be sick people in emergency rooms or clinics. Indeed, as with the anthrax attacks, the public health and medical responses may be under way before the true nature of the outbreak is recognized. Public health and the interface with the health care system are therefore key elements in any effective response to bioterrorism. Whether the biggest threat is natural or engineered, much remains to be done. Efforts to strengthen surveillance and response worldwide and to improve communication must be accelerated and sustained. Further, we have only scratched the surface in terms of understanding the ecology of infectious diseases and developing strategies for regulating microbial traffic. We need tools for better predictive epidemiologic modeling when a new infection first appears and for better analysis of the factors that transfer pathogens(病原体)across species. One encouraging development is the program in the ecology of infectious disease that was started a few years ago becomes the National Science Foundation in cooperation with NIH. SARS is a good yardstick of our progress during the past 13 years. The syndrome was unusual because novel infections that spread from person to person are relatively rare. Once cases were finally reported, the public health response was vigorous. WHO warned health care providers, researchers rapidly identified a candidate virus, and prototype diagnostic tests quickly became available. The vast reach of the Internet was instrumental in sharing information and coordinating activities worldwide.It can be inferred that NIH is most probably _____.

A.an organization of infected patients
B.a research institute of infectious diseases
C.an effective medicine curing infections
D.a way of recognizing new diseases
问答题

Five Myths about College Debt [A]The trillion-dollar student debt burden has caused many debates about the value of college. Some argue that we educate too many young people. Indeed, average tuition costs have gone up faster than the rate of inflation. The cost of college today is, in inflation-adjusted terms, roughly double what it was in 1980. This creates legitimate concerns about the continued affordability of a college education. [B]But the debaters often have their facts wrong. Very few Americans graduate with $100,000 in debt; college makes more sense today than ever; and no, our universities aren’t blowing their money to fund college dorms and football stadiums. Myth 1: The financial return for going to college is less now than it used to be. [C]If anything, the value of an investment in college is higher now than it’s ever been. The college premium(the difference between the earnings of college graduates and high school graduates)is at its highest level ever. [D]It is true that in the years since the Great Recession, wages for recent college graduates have declined about 5 percent, but wages for those without a college degree have declined more than twice that, between 10 and 12 percent, increasing the college premium. Furthermore, the proportion of recent graduates who have gotten jobs coming out of college has been virtually unchanged from before the recession. In contrast, the employment rate for high school graduates and associate-degree holders has dropped by 8 to 10 percent Similarly, throughout the recession, the overall unemployment rate for bachelor’s degree holders has consistently been half that of non-college graduates. Myth 2: Colleges are not preparing students with the skills needed in the current workplace. [E]All of the economic data suggests the exact opposite—that the productivity of U.S. college graduates in the workplace is increasing. The broadest measure of the productivity differential between high school graduates and college graduates is how much employers are willing to pay for the latter over the former. This is known as the "college premium", and it has increased steadily since the 1970s. This is not due to a diminished supply of college graduates(indeed, the supply has risen over that period). [F]The college premium is larger in the United States than in virtually any other economically developed country. Across the 34 countries that make up the Organization for Economic Cooperation and Development(OECD), employers on average are willing to pay 1.8 times as much for a college graduate as they are for, an unskilled worker. But in the United States, employers pay 2.6 times as much for a college graduate. [G]A recent Milken Institute study found that for each additional year of college attained by the residents of a region, the per capita gross domestic product of the region increases a remarkable 17,4 percent. The authors argue that the increased regional productivity is largely the result of the increased productivity of a college-educated workforce.(Interestingly, they do not see a similar jump in productivity for additional education at the high school level.) Myth 3: On average, students are now borrowing $_____ to pay for their college education. [H]This is a myth, or at the very least misleading, for almost any figure reported in the national press.(Though the reported figures vary, the amount is generally more than $25,000.)There are several reasons for this, principally that the data being reported are generally based on one or another report of outstanding student loan balances or average debt levels for those with loans. [I]What most people are interested in, and what most people interpret these figures to represent, is how much a typical student must borrow to finance an undergraduate(bachelor’s)degree. Unfortunately, most figures reported lump together all student loan debt—for both undergraduate degrees and professional degrees. Furthermore, they report data on the average(mean)debt level among those who borrowed, not the median debt among all students, both those who borrowed and those who did not. [J]Data on debt levels at time of graduation is far harder to obtain. The Department of Education periodically gathers this information, but its most recent report only covers those who received bachelor’s degrees in 2008. Myth 4: College debt is at a crisis level. [K]College debt now exceeds total credit-card debt and total auto loans, both of which have dropped since the beginning of the recession. It is in fact the only kind of household debt that continued to increase throughout the recession. [L]There are three reasons for the increase. First, more students are going to college. Second, a higher percentage of them are borrowing to finance their education. And third, the amount they are borrowing has increased. Obviously, the first reason is to be applauded. It is in the interest of the students and the nation that more high school graduates go on to college. [M]The fact that more students are borrowing more to attend college is the result of several different factors, only partly the increased cost of tuition. Another major factor is a marked decline in college savings. According to Moody’s, during the past three years, the proportion of families with any college savings dropped from 60 percent to 50 percent, and those who saved set aside an average of only $11,781, down from $21,615 three years ago(a 45 percent decline). [N]What this means is that more families are substituting debt for college savings. But these are just alternative ways of spreading the cost of college over multiple years. This is certainly no more worrisome than the switch from buying refrigerators with debt rather than layaway plans. [O]But even more important is the fact that college spending is an investment in human capital. The Hamilton Project estimates that a student’s spending on college has a financial return of over 15 percent, more than twice the average return of a stock market investment over the past 60 years. When corporate America increases its debt to invest in physical capital—new factories, etc.—we do not consider it a crisis. It is a positive investment in future productivity. Similarly, when individuals borrow to invest in their own human capital, this is an investment in future productivity. We should arguably celebrate the fact that college debt, an investment in the future, exceeds credit-card debt, which represents current consumption. Myth 5: College costs are increasing faster than inflation largely because of wasteful spending on lavish dorms, recreation centers etc. [P]In a university’s overall budget, capital costs for "sweetness"(such as recreation centers)constitute a very small fraction of the budget Amortized(分期偿还)over the life of the asset, they may account for a few dollars of the annual tuition bill, but not much more. [Q]Ironically, one of the main factors pushing up costs at universities is the fact that the college premium—the wages paid to highly educated employees—is higher than ever. College costs are dominated by employee salaries, and most of these employees(whether faculty, staff or administrators)are themselves highly educated. So the same phenomenon that increases the financial return of going to college for students also increases the cost of attending college!A region’s economic growth can be strongly affected by the increased productivity of a college-educated workforce, according to a study.

答案: 正确答案:G
问答题

Lack of sleep makes you gain weight and raises your risk for heart disease and diabetes, apart from resulting in【C1】______vision and questionable decision. Researchers have known for a while that sleep【C2】______tends to lead to overeating. And several studies have suggested that staying up all night or even just cutting back by a couple of hours makes people【C3】______to the calls of fast food, pizza and candy. Short sleep affects hormones that influence hunger, experts say, and the brain’s reward center becomes【C4】______active, drawing you to the carbs and fat. Researchers don’t know the exact point of sleeplessness that【C5】______one’s want for pizza or chocolate or other kinds of food. "There are【C6】______individual differences," says Jonathan Wisor, a sleep scientist at Washington State University. Recent research has confirmed that a pattern of insufficient sleep raises your risk for overweight and diabetes, too. Experts suspect that the results could【C7】______to anyone who works long hours or spends a lot of time staring at a smartphonet just before bed, and to people who【C8】______from insomnia or sleep disorder. If you assume you’re safe because study conditions tend to be fairly extreme, you had better think again. People who regularly get less than the【C9】______amount of sleep have been observed to eat 200 to 500 more calories per day than people who do not. Should you【C10】______time for a workout while being in lack of sleep No. When you drop below 6.5 or six hours of sleep, you need sleep more than you need to exercise. A)vulnerable B)deprivation C)optimum D)precaution E)squeeze F)triggers G)remarkably H)apply I)suffer J)regularly K)tremendous L)transcends M)blurred N)transient O)recruit【C9】

答案: 正确答案:C
问答题

Five Myths about College Debt [A]The trillion-dollar student debt burden has caused many debates about the value of college. Some argue that we educate too many young people. Indeed, average tuition costs have gone up faster than the rate of inflation. The cost of college today is, in inflation-adjusted terms, roughly double what it was in 1980. This creates legitimate concerns about the continued affordability of a college education. [B]But the debaters often have their facts wrong. Very few Americans graduate with $100,000 in debt; college makes more sense today than ever; and no, our universities aren’t blowing their money to fund college dorms and football stadiums. Myth 1: The financial return for going to college is less now than it used to be. [C]If anything, the value of an investment in college is higher now than it’s ever been. The college premium(the difference between the earnings of college graduates and high school graduates)is at its highest level ever. [D]It is true that in the years since the Great Recession, wages for recent college graduates have declined about 5 percent, but wages for those without a college degree have declined more than twice that, between 10 and 12 percent, increasing the college premium. Furthermore, the proportion of recent graduates who have gotten jobs coming out of college has been virtually unchanged from before the recession. In contrast, the employment rate for high school graduates and associate-degree holders has dropped by 8 to 10 percent Similarly, throughout the recession, the overall unemployment rate for bachelor’s degree holders has consistently been half that of non-college graduates. Myth 2: Colleges are not preparing students with the skills needed in the current workplace. [E]All of the economic data suggests the exact opposite—that the productivity of U.S. college graduates in the workplace is increasing. The broadest measure of the productivity differential between high school graduates and college graduates is how much employers are willing to pay for the latter over the former. This is known as the "college premium", and it has increased steadily since the 1970s. This is not due to a diminished supply of college graduates(indeed, the supply has risen over that period). [F]The college premium is larger in the United States than in virtually any other economically developed country. Across the 34 countries that make up the Organization for Economic Cooperation and Development(OECD), employers on average are willing to pay 1.8 times as much for a college graduate as they are for, an unskilled worker. But in the United States, employers pay 2.6 times as much for a college graduate. [G]A recent Milken Institute study found that for each additional year of college attained by the residents of a region, the per capita gross domestic product of the region increases a remarkable 17,4 percent. The authors argue that the increased regional productivity is largely the result of the increased productivity of a college-educated workforce.(Interestingly, they do not see a similar jump in productivity for additional education at the high school level.) Myth 3: On average, students are now borrowing $_____ to pay for their college education. [H]This is a myth, or at the very least misleading, for almost any figure reported in the national press.(Though the reported figures vary, the amount is generally more than $25,000.)There are several reasons for this, principally that the data being reported are generally based on one or another report of outstanding student loan balances or average debt levels for those with loans. [I]What most people are interested in, and what most people interpret these figures to represent, is how much a typical student must borrow to finance an undergraduate(bachelor’s)degree. Unfortunately, most figures reported lump together all student loan debt—for both undergraduate degrees and professional degrees. Furthermore, they report data on the average(mean)debt level among those who borrowed, not the median debt among all students, both those who borrowed and those who did not. [J]Data on debt levels at time of graduation is far harder to obtain. The Department of Education periodically gathers this information, but its most recent report only covers those who received bachelor’s degrees in 2008. Myth 4: College debt is at a crisis level. [K]College debt now exceeds total credit-card debt and total auto loans, both of which have dropped since the beginning of the recession. It is in fact the only kind of household debt that continued to increase throughout the recession. [L]There are three reasons for the increase. First, more students are going to college. Second, a higher percentage of them are borrowing to finance their education. And third, the amount they are borrowing has increased. Obviously, the first reason is to be applauded. It is in the interest of the students and the nation that more high school graduates go on to college. [M]The fact that more students are borrowing more to attend college is the result of several different factors, only partly the increased cost of tuition. Another major factor is a marked decline in college savings. According to Moody’s, during the past three years, the proportion of families with any college savings dropped from 60 percent to 50 percent, and those who saved set aside an average of only $11,781, down from $21,615 three years ago(a 45 percent decline). [N]What this means is that more families are substituting debt for college savings. But these are just alternative ways of spreading the cost of college over multiple years. This is certainly no more worrisome than the switch from buying refrigerators with debt rather than layaway plans. [O]But even more important is the fact that college spending is an investment in human capital. The Hamilton Project estimates that a student’s spending on college has a financial return of over 15 percent, more than twice the average return of a stock market investment over the past 60 years. When corporate America increases its debt to invest in physical capital—new factories, etc.—we do not consider it a crisis. It is a positive investment in future productivity. Similarly, when individuals borrow to invest in their own human capital, this is an investment in future productivity. We should arguably celebrate the fact that college debt, an investment in the future, exceeds credit-card debt, which represents current consumption. Myth 5: College costs are increasing faster than inflation largely because of wasteful spending on lavish dorms, recreation centers etc. [P]In a university’s overall budget, capital costs for "sweetness"(such as recreation centers)constitute a very small fraction of the budget Amortized(分期偿还)over the life of the asset, they may account for a few dollars of the annual tuition bill, but not much more. [Q]Ironically, one of the main factors pushing up costs at universities is the fact that the college premium—the wages paid to highly educated employees—is higher than ever. College costs are dominated by employee salaries, and most of these employees(whether faculty, staff or administrators)are themselves highly educated. So the same phenomenon that increases the financial return of going to college for students also increases the cost of attending college!Investment in physical capital is quite similar to that in human capital.

答案: 正确答案:O
问答题

Lack of sleep makes you gain weight and raises your risk for heart disease and diabetes, apart from resulting in【C1】______vision and questionable decision. Researchers have known for a while that sleep【C2】______tends to lead to overeating. And several studies have suggested that staying up all night or even just cutting back by a couple of hours makes people【C3】______to the calls of fast food, pizza and candy. Short sleep affects hormones that influence hunger, experts say, and the brain’s reward center becomes【C4】______active, drawing you to the carbs and fat. Researchers don’t know the exact point of sleeplessness that【C5】______one’s want for pizza or chocolate or other kinds of food. "There are【C6】______individual differences," says Jonathan Wisor, a sleep scientist at Washington State University. Recent research has confirmed that a pattern of insufficient sleep raises your risk for overweight and diabetes, too. Experts suspect that the results could【C7】______to anyone who works long hours or spends a lot of time staring at a smartphonet just before bed, and to people who【C8】______from insomnia or sleep disorder. If you assume you’re safe because study conditions tend to be fairly extreme, you had better think again. People who regularly get less than the【C9】______amount of sleep have been observed to eat 200 to 500 more calories per day than people who do not. Should you【C10】______time for a workout while being in lack of sleep No. When you drop below 6.5 or six hours of sleep, you need sleep more than you need to exercise. A)vulnerable B)deprivation C)optimum D)precaution E)squeeze F)triggers G)remarkably H)apply I)suffer J)regularly K)tremendous L)transcends M)blurred N)transient O)recruit【C10】

答案: 正确答案:E
问答题

Five Myths about College Debt [A]The trillion-dollar student debt burden has caused many debates about the value of college. Some argue that we educate too many young people. Indeed, average tuition costs have gone up faster than the rate of inflation. The cost of college today is, in inflation-adjusted terms, roughly double what it was in 1980. This creates legitimate concerns about the continued affordability of a college education. [B]But the debaters often have their facts wrong. Very few Americans graduate with $100,000 in debt; college makes more sense today than ever; and no, our universities aren’t blowing their money to fund college dorms and football stadiums. Myth 1: The financial return for going to college is less now than it used to be. [C]If anything, the value of an investment in college is higher now than it’s ever been. The college premium(the difference between the earnings of college graduates and high school graduates)is at its highest level ever. [D]It is true that in the years since the Great Recession, wages for recent college graduates have declined about 5 percent, but wages for those without a college degree have declined more than twice that, between 10 and 12 percent, increasing the college premium. Furthermore, the proportion of recent graduates who have gotten jobs coming out of college has been virtually unchanged from before the recession. In contrast, the employment rate for high school graduates and associate-degree holders has dropped by 8 to 10 percent Similarly, throughout the recession, the overall unemployment rate for bachelor’s degree holders has consistently been half that of non-college graduates. Myth 2: Colleges are not preparing students with the skills needed in the current workplace. [E]All of the economic data suggests the exact opposite—that the productivity of U.S. college graduates in the workplace is increasing. The broadest measure of the productivity differential between high school graduates and college graduates is how much employers are willing to pay for the latter over the former. This is known as the "college premium", and it has increased steadily since the 1970s. This is not due to a diminished supply of college graduates(indeed, the supply has risen over that period). [F]The college premium is larger in the United States than in virtually any other economically developed country. Across the 34 countries that make up the Organization for Economic Cooperation and Development(OECD), employers on average are willing to pay 1.8 times as much for a college graduate as they are for, an unskilled worker. But in the United States, employers pay 2.6 times as much for a college graduate. [G]A recent Milken Institute study found that for each additional year of college attained by the residents of a region, the per capita gross domestic product of the region increases a remarkable 17,4 percent. The authors argue that the increased regional productivity is largely the result of the increased productivity of a college-educated workforce.(Interestingly, they do not see a similar jump in productivity for additional education at the high school level.) Myth 3: On average, students are now borrowing $_____ to pay for their college education. [H]This is a myth, or at the very least misleading, for almost any figure reported in the national press.(Though the reported figures vary, the amount is generally more than $25,000.)There are several reasons for this, principally that the data being reported are generally based on one or another report of outstanding student loan balances or average debt levels for those with loans. [I]What most people are interested in, and what most people interpret these figures to represent, is how much a typical student must borrow to finance an undergraduate(bachelor’s)degree. Unfortunately, most figures reported lump together all student loan debt—for both undergraduate degrees and professional degrees. Furthermore, they report data on the average(mean)debt level among those who borrowed, not the median debt among all students, both those who borrowed and those who did not. [J]Data on debt levels at time of graduation is far harder to obtain. The Department of Education periodically gathers this information, but its most recent report only covers those who received bachelor’s degrees in 2008. Myth 4: College debt is at a crisis level. [K]College debt now exceeds total credit-card debt and total auto loans, both of which have dropped since the beginning of the recession. It is in fact the only kind of household debt that continued to increase throughout the recession. [L]There are three reasons for the increase. First, more students are going to college. Second, a higher percentage of them are borrowing to finance their education. And third, the amount they are borrowing has increased. Obviously, the first reason is to be applauded. It is in the interest of the students and the nation that more high school graduates go on to college. [M]The fact that more students are borrowing more to attend college is the result of several different factors, only partly the increased cost of tuition. Another major factor is a marked decline in college savings. According to Moody’s, during the past three years, the proportion of families with any college savings dropped from 60 percent to 50 percent, and those who saved set aside an average of only $11,781, down from $21,615 three years ago(a 45 percent decline). [N]What this means is that more families are substituting debt for college savings. But these are just alternative ways of spreading the cost of college over multiple years. This is certainly no more worrisome than the switch from buying refrigerators with debt rather than layaway plans. [O]But even more important is the fact that college spending is an investment in human capital. The Hamilton Project estimates that a student’s spending on college has a financial return of over 15 percent, more than twice the average return of a stock market investment over the past 60 years. When corporate America increases its debt to invest in physical capital—new factories, etc.—we do not consider it a crisis. It is a positive investment in future productivity. Similarly, when individuals borrow to invest in their own human capital, this is an investment in future productivity. We should arguably celebrate the fact that college debt, an investment in the future, exceeds credit-card debt, which represents current consumption. Myth 5: College costs are increasing faster than inflation largely because of wasteful spending on lavish dorms, recreation centers etc. [P]In a university’s overall budget, capital costs for "sweetness"(such as recreation centers)constitute a very small fraction of the budget Amortized(分期偿还)over the life of the asset, they may account for a few dollars of the annual tuition bill, but not much more. [Q]Ironically, one of the main factors pushing up costs at universities is the fact that the college premium—the wages paid to highly educated employees—is higher than ever. College costs are dominated by employee salaries, and most of these employees(whether faculty, staff or administrators)are themselves highly educated. So the same phenomenon that increases the financial return of going to college for students also increases the cost of attending college!The fact that more high school students enter colleges benefits America.

答案: 正确答案:L
问答题

Five Myths about College Debt [A]The trillion-dollar student debt burden has caused many debates about the value of college. Some argue that we educate too many young people. Indeed, average tuition costs have gone up faster than the rate of inflation. The cost of college today is, in inflation-adjusted terms, roughly double what it was in 1980. This creates legitimate concerns about the continued affordability of a college education. [B]But the debaters often have their facts wrong. Very few Americans graduate with $100,000 in debt; college makes more sense today than ever; and no, our universities aren’t blowing their money to fund college dorms and football stadiums. Myth 1: The financial return for going to college is less now than it used to be. [C]If anything, the value of an investment in college is higher now than it’s ever been. The college premium(the difference between the earnings of college graduates and high school graduates)is at its highest level ever. [D]It is true that in the years since the Great Recession, wages for recent college graduates have declined about 5 percent, but wages for those without a college degree have declined more than twice that, between 10 and 12 percent, increasing the college premium. Furthermore, the proportion of recent graduates who have gotten jobs coming out of college has been virtually unchanged from before the recession. In contrast, the employment rate for high school graduates and associate-degree holders has dropped by 8 to 10 percent Similarly, throughout the recession, the overall unemployment rate for bachelor’s degree holders has consistently been half that of non-college graduates. Myth 2: Colleges are not preparing students with the skills needed in the current workplace. [E]All of the economic data suggests the exact opposite—that the productivity of U.S. college graduates in the workplace is increasing. The broadest measure of the productivity differential between high school graduates and college graduates is how much employers are willing to pay for the latter over the former. This is known as the "college premium", and it has increased steadily since the 1970s. This is not due to a diminished supply of college graduates(indeed, the supply has risen over that period). [F]The college premium is larger in the United States than in virtually any other economically developed country. Across the 34 countries that make up the Organization for Economic Cooperation and Development(OECD), employers on average are willing to pay 1.8 times as much for a college graduate as they are for, an unskilled worker. But in the United States, employers pay 2.6 times as much for a college graduate. [G]A recent Milken Institute study found that for each additional year of college attained by the residents of a region, the per capita gross domestic product of the region increases a remarkable 17,4 percent. The authors argue that the increased regional productivity is largely the result of the increased productivity of a college-educated workforce.(Interestingly, they do not see a similar jump in productivity for additional education at the high school level.) Myth 3: On average, students are now borrowing $_____ to pay for their college education. [H]This is a myth, or at the very least misleading, for almost any figure reported in the national press.(Though the reported figures vary, the amount is generally more than $25,000.)There are several reasons for this, principally that the data being reported are generally based on one or another report of outstanding student loan balances or average debt levels for those with loans. [I]What most people are interested in, and what most people interpret these figures to represent, is how much a typical student must borrow to finance an undergraduate(bachelor’s)degree. Unfortunately, most figures reported lump together all student loan debt—for both undergraduate degrees and professional degrees. Furthermore, they report data on the average(mean)debt level among those who borrowed, not the median debt among all students, both those who borrowed and those who did not. [J]Data on debt levels at time of graduation is far harder to obtain. The Department of Education periodically gathers this information, but its most recent report only covers those who received bachelor’s degrees in 2008. Myth 4: College debt is at a crisis level. [K]College debt now exceeds total credit-card debt and total auto loans, both of which have dropped since the beginning of the recession. It is in fact the only kind of household debt that continued to increase throughout the recession. [L]There are three reasons for the increase. First, more students are going to college. Second, a higher percentage of them are borrowing to finance their education. And third, the amount they are borrowing has increased. Obviously, the first reason is to be applauded. It is in the interest of the students and the nation that more high school graduates go on to college. [M]The fact that more students are borrowing more to attend college is the result of several different factors, only partly the increased cost of tuition. Another major factor is a marked decline in college savings. According to Moody’s, during the past three years, the proportion of families with any college savings dropped from 60 percent to 50 percent, and those who saved set aside an average of only $11,781, down from $21,615 three years ago(a 45 percent decline). [N]What this means is that more families are substituting debt for college savings. But these are just alternative ways of spreading the cost of college over multiple years. This is certainly no more worrisome than the switch from buying refrigerators with debt rather than layaway plans. [O]But even more important is the fact that college spending is an investment in human capital. The Hamilton Project estimates that a student’s spending on college has a financial return of over 15 percent, more than twice the average return of a stock market investment over the past 60 years. When corporate America increases its debt to invest in physical capital—new factories, etc.—we do not consider it a crisis. It is a positive investment in future productivity. Similarly, when individuals borrow to invest in their own human capital, this is an investment in future productivity. We should arguably celebrate the fact that college debt, an investment in the future, exceeds credit-card debt, which represents current consumption. Myth 5: College costs are increasing faster than inflation largely because of wasteful spending on lavish dorms, recreation centers etc. [P]In a university’s overall budget, capital costs for "sweetness"(such as recreation centers)constitute a very small fraction of the budget Amortized(分期偿还)over the life of the asset, they may account for a few dollars of the annual tuition bill, but not much more. [Q]Ironically, one of the main factors pushing up costs at universities is the fact that the college premium—the wages paid to highly educated employees—is higher than ever. College costs are dominated by employee salaries, and most of these employees(whether faculty, staff or administrators)are themselves highly educated. So the same phenomenon that increases the financial return of going to college for students also increases the cost of attending college!In recent years, the proportion of families with any college savings decreased.

答案: 正确答案:M
问答题

Five Myths about College Debt [A]The trillion-dollar student debt burden has caused many debates about the value of college. Some argue that we educate too many young people. Indeed, average tuition costs have gone up faster than the rate of inflation. The cost of college today is, in inflation-adjusted terms, roughly double what it was in 1980. This creates legitimate concerns about the continued affordability of a college education. [B]But the debaters often have their facts wrong. Very few Americans graduate with $100,000 in debt; college makes more sense today than ever; and no, our universities aren’t blowing their money to fund college dorms and football stadiums. Myth 1: The financial return for going to college is less now than it used to be. [C]If anything, the value of an investment in college is higher now than it’s ever been. The college premium(the difference between the earnings of college graduates and high school graduates)is at its highest level ever. [D]It is true that in the years since the Great Recession, wages for recent college graduates have declined about 5 percent, but wages for those without a college degree have declined more than twice that, between 10 and 12 percent, increasing the college premium. Furthermore, the proportion of recent graduates who have gotten jobs coming out of college has been virtually unchanged from before the recession. In contrast, the employment rate for high school graduates and associate-degree holders has dropped by 8 to 10 percent Similarly, throughout the recession, the overall unemployment rate for bachelor’s degree holders has consistently been half that of non-college graduates. Myth 2: Colleges are not preparing students with the skills needed in the current workplace. [E]All of the economic data suggests the exact opposite—that the productivity of U.S. college graduates in the workplace is increasing. The broadest measure of the productivity differential between high school graduates and college graduates is how much employers are willing to pay for the latter over the former. This is known as the "college premium", and it has increased steadily since the 1970s. This is not due to a diminished supply of college graduates(indeed, the supply has risen over that period). [F]The college premium is larger in the United States than in virtually any other economically developed country. Across the 34 countries that make up the Organization for Economic Cooperation and Development(OECD), employers on average are willing to pay 1.8 times as much for a college graduate as they are for, an unskilled worker. But in the United States, employers pay 2.6 times as much for a college graduate. [G]A recent Milken Institute study found that for each additional year of college attained by the residents of a region, the per capita gross domestic product of the region increases a remarkable 17,4 percent. The authors argue that the increased regional productivity is largely the result of the increased productivity of a college-educated workforce.(Interestingly, they do not see a similar jump in productivity for additional education at the high school level.) Myth 3: On average, students are now borrowing $_____ to pay for their college education. [H]This is a myth, or at the very least misleading, for almost any figure reported in the national press.(Though the reported figures vary, the amount is generally more than $25,000.)There are several reasons for this, principally that the data being reported are generally based on one or another report of outstanding student loan balances or average debt levels for those with loans. [I]What most people are interested in, and what most people interpret these figures to represent, is how much a typical student must borrow to finance an undergraduate(bachelor’s)degree. Unfortunately, most figures reported lump together all student loan debt—for both undergraduate degrees and professional degrees. Furthermore, they report data on the average(mean)debt level among those who borrowed, not the median debt among all students, both those who borrowed and those who did not. [J]Data on debt levels at time of graduation is far harder to obtain. The Department of Education periodically gathers this information, but its most recent report only covers those who received bachelor’s degrees in 2008. Myth 4: College debt is at a crisis level. [K]College debt now exceeds total credit-card debt and total auto loans, both of which have dropped since the beginning of the recession. It is in fact the only kind of household debt that continued to increase throughout the recession. [L]There are three reasons for the increase. First, more students are going to college. Second, a higher percentage of them are borrowing to finance their education. And third, the amount they are borrowing has increased. Obviously, the first reason is to be applauded. It is in the interest of the students and the nation that more high school graduates go on to college. [M]The fact that more students are borrowing more to attend college is the result of several different factors, only partly the increased cost of tuition. Another major factor is a marked decline in college savings. According to Moody’s, during the past three years, the proportion of families with any college savings dropped from 60 percent to 50 percent, and those who saved set aside an average of only $11,781, down from $21,615 three years ago(a 45 percent decline). [N]What this means is that more families are substituting debt for college savings. But these are just alternative ways of spreading the cost of college over multiple years. This is certainly no more worrisome than the switch from buying refrigerators with debt rather than layaway plans. [O]But even more important is the fact that college spending is an investment in human capital. The Hamilton Project estimates that a student’s spending on college has a financial return of over 15 percent, more than twice the average return of a stock market investment over the past 60 years. When corporate America increases its debt to invest in physical capital—new factories, etc.—we do not consider it a crisis. It is a positive investment in future productivity. Similarly, when individuals borrow to invest in their own human capital, this is an investment in future productivity. We should arguably celebrate the fact that college debt, an investment in the future, exceeds credit-card debt, which represents current consumption. Myth 5: College costs are increasing faster than inflation largely because of wasteful spending on lavish dorms, recreation centers etc. [P]In a university’s overall budget, capital costs for "sweetness"(such as recreation centers)constitute a very small fraction of the budget Amortized(分期偿还)over the life of the asset, they may account for a few dollars of the annual tuition bill, but not much more. [Q]Ironically, one of the main factors pushing up costs at universities is the fact that the college premium—the wages paid to highly educated employees—is higher than ever. College costs are dominated by employee salaries, and most of these employees(whether faculty, staff or administrators)are themselves highly educated. So the same phenomenon that increases the financial return of going to college for students also increases the cost of attending college!Usually employers are paying more for a college graduate than an unskilled worker.

答案: 正确答案:F
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