填空题X 纠错The judgment that cigarette smoking is hazardous to health is the result of more than 30 years of research carded on by hundreds of scientists in this country and abroad. The conclusion that cigarette smoking is a (26) health hazard is supported by every medical and health (27) in the world which is known to have (28) an opinion on the matter.
While cigarette smokers tend to have higher death rates than nonsmokers. 80% of the excess deaths (29) with this habit are caused by three major diseases. They are lung cancer, coronary heart disease, and emphysema. Lung cancer was a (30) disease 50 years ago. Today, it is (31) that 60,000 men and women per year in the United States will die of this disease. Among men it is the most (32) cause of death from cancer.
Cigarette smoking is the major cause of lung cancer. Although chronic (33) from certain chemical substances, radiation, (34) , occupational hazards, air pollution, and other environmental factors have been implicated in this disease, they are of small importance compared with cigarette smoking. To those who smoke, however, they Can be important in increasing the risks still further. (35) 90 percent of all primary cancer cases occur in people who smoke cigarettes. Laboratory studies have isolated from tobacco smoke a number of chemical compounds that can cause cancer. In addition, there are elements in smoke that interact with other compounds to promote cancer production.

参考答案:significant
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填空题Not too long ago, a guest checking out of our Polynesian Village resort at Walt Disney World was asked how she enjoyed her visit. She tell the front-desk clerk she had had a wonderful (36) , but was heartbroken about losing several rolls of Kodacolor film she had not yet (37) She was particularly upset over the loss of the pictures she had shot at our Polynesian Luau, as this was a memory she (38) treasured.
Now, please (39) that we have no written service (40) covering lost luau snapshots. (41) , the hostess at the front desk understood Disney’s philosophy of (42) our guests. She asked the woman to leave her a couple of rolls of fresh film, promising she would take care of the rest.
Two weeks later, this guest received a package at her home. In it were photos of the entire cast of our luau show, personally autographed by each performer. There were also (43) of the parade and fireworks in the theme park, taken by the front-desk (44) on her own time, after work. I happen to know this story because this guest wrote us a letter. She said that never in her life had she received such compassionate (45) from any business establishment. Heroic service does not come from policy manuals. It comes from people who care—and from a culture that encourages and models that attitude.
A. abandon I. qualify
B. prospect J. access
C. vacation K. desperate
D. especially L. hostess
E. standards M. service
F. developed N. caring for
G. understand O. photos
H. fortunately

参考答案:vacation

单项选择题

A. The cat is a lot of trouble.
B. The cat is quite friendly.
C. He doesn’t get along with Debbie.
D. He’s glad Debbie gave him the cat.

单项选择题

A. The man should have offered his assistance earlier.
B. She doesn’t need the man’s help.
C. She didn’t realize the boxes were empty.
D. She wants the man to move the boxes.

单项选择题

A. To explain a new requirement for graduation.
B. To interest students in a community service project.
C. To discuss the problems of elementary school students.
D. To recruit elementary school teachers for a special program.

单项选择题

A. How much exercise they get every day
B. What they are most worried about
C. How long their parents accompany them daily
D. What entertainment they are interested in

单项选择题

A. Family debts.
B. Bank savings.
C. Monthly bills.
D. Spending habits.

单项选择题

A. Mating habits of squid and octopus.
B. The evolution of certain forms of sea life.
C. The study of marine shells.
D. Survival skills of sea creatures.

单项选择题

A. There aren’t enough cabinets.
B. There is too much noise.
C. Office supplies are taking up space.
D. Some teaching assistants don’t have desks.

单项选择题

A. Go to the movies with the man. B. Take her brother to the movies.
C. Eat at her brother’s. D. Cook dinner with Lois.

问答题


参考答案:[范文] Let us imagine two barrels similar to those drawn abo...
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