单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. once B. after C. since D. while

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
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单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(1)()

A.adjusting
B.refining
C.changing
D.turning

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. beside B. near C. for D. around

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(2)()

A.Indeed
B.Hence
C.Whereas
D.However

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. upon B. before C. towards D. till

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(3)()

A.genetically
B.cognitively
C.habitually
D.extrinsically

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. ensure B. assure C. require D. request

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(4)()

A.storage
B.organ
C.memory
D.function

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. through B. into C. about D. on

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(5)()

A.affected
B.artificial
C.fake
D.unrealistic

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. reveals B. reverses C. resumes D. repeats

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(6)()

A.dominations
B.manipulations
C.operations
D.simulations

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. effect B. affect C. reflect D. perfect

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(7)()

A.previous
B.former
C.preceding
D.ancient

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. already B. ever C. never D. even

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(8)()

A.entirely
B.accordingly
C.obviously
D.indirectly

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. means B. marks C. says D. dictates

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(9)()

A.resultin
B.therefore
C.so
D.nevertheless

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. removes B. relieves C. records D. recalls

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(10)()

A.partners
B.alternatives
C.offspring
D.parents

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. proceeded B. produced C. pronounced D. progressed

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(11)()

A.depend on
B.decide
C.affect
D.involve

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. by B. of C. with D. over

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(12)()

A.For
B.Alike
C.Unlike
D.Within

单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(13)()

A.delivered
B.distributed
C.displayed
D.disposed

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. familiar B. similar C. identical D. same

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(14)()

A.As
B.Given
C.If
D.Considering

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. findings B. prospects C. proposals D. purposes

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(15)()

A.ability
B.update
C.renovation
D.evolution

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. prompt B. program C. plug D. plan

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(16)()

A.learned
B.acknowledged
C.attained
D.acquired

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. where B. this C. which D. that

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(17)()

A.roots
B.resources
C.bases
D.reflections

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. then B. also C. almost D. yet

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(18)()

A.supported
B.proposed
C.objected
D.started

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. claim B. conclusion C. concept D. explanation

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(19)()

A.and
B.then
C.but
D.besides

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. once B. after C. since D. while

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

It is widely known that birds learn to fly through practice, gradually (1) their innate ability into a finely tuned skill. (2) , a recent study conducted by the University of Sheffield’s Department of Psychology has discovered that the reason birds learn to fly so easily is because memories may have been left behind by their ancestors. These skills may be easy to enhance because of a (3) specified latent (4) for flying.
The researchers used simple models of brains called (5) neural networks and computer (6) to test his theory. They discovered that learning in (7) generations (8) induces the formation of a latent memory in the current generation and (9) decreases the amount of learning required. These effects are especially pronounced if there is a large biological "fitness cost" to learning, where biological fitness is measured in terms of the number of (10) each individual has.
The beneficial effects of learning also (11) the unusual form of information storage in neural networks. (12) computers, which store each item of information in a specific location in the computer’s memory chip, neural networks store each item (13) over many neuronal connections. (14) information is stored in this way then (15) is accelerated, explaining how complex motor skills, such as nest building and hunting skills, are (16) by a combination of innate ability and learning over many generations.
The researchers concluded that this new theory has its (17) in ideas (18) by James Baldwin in 1896, who firstly made the counter-intuitive argument that learning within each generation could guide evolution of innate behavior over future generations. Baldwin was right, (19) in ways less sophisticated than he could have imagined because concepts (20) artificial neural networks and distributed representations were not known in his time.

(20)()

A. as for
B. in particular
C. such as
D. for instance

单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. Besides B. Despite C. To D. As

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
单项选择题

Do you wake up every day feeling too tired, or even upset If so, then a new alarm clock could be just for you.
The clock, called Sleep Smart, measures your sleep cycle, and waits (1) you to be in your lightest phase of sleep (2) rousing you. Its makers say that should (3) you wake up feeling refreshed every morning.A. what B. how C. whether D. when

As you sleep you pass (4) a sequence of sleep states—light sleep, deep sleep and REM (rapid eye movement) sleep—that (5) approximately every 90 minutes. The point in that cycle at which you wake can (6) how you feel later, and may (7) have a greater impact than how much or little you have slept. Being roused during a light phase (8) you are more likely to wake up energetic.
SleepSmart (9) the distinct pattern of brain waves (10) during each phase of sleep, via a headband equipped (11) electrodes and a microprocessor. This measures the electrical activity of the wearer’s brain, in much the (12) way as some machines used for medical and research (13) , and communicates wirelessly with a clock unit near the bed. You (14) the clock with the latest time at (15) you want to be wakened, and it (16) duly wakes you during the last light sleep phase before that.
The (17) was invented by a group of students at Brown University in Rhode Island (18) a friend complained of waking up tired and performing poorly on a test." (19) sleep-deprived people ourselves, we started thinking of (20) to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
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