更多"According to the passage, birds oft"的相关试题:
[单项选择]According to the passage, birds often half sleep because _________.
A. they have to watch out for possible attacks
B. their brain hemispheres take turns to rest
C. the two halves of their brain are differently structured
D. they have to constantly keep an eye on their companions
[单项选择]According to the passage, insufficient sleep is harmful in that it can cause all BUT ______ of the following.
A. poor eyesight
B. premature aging
C. odd behavior
D. loss of orientation
[单项选择]According to this passage, sleep is described as __________.
A. drowning in an ocean of darkness
B. undisturbed by tension or problems
C. a gradual parting from the real world
D. dependent only upon individual age and health
[单项选择]According the passage, the housework often brings satisfaction to women ______.
A. who are very rich
B. who envy their neighbors
C. who work outside the home
D. who are dependent on their husbands
[单项选择]According to the passage, people often wrongly believe that in pursuing a career as manager ________.
[单项选择]According to this passage, deep dream sleep is more likely to occur in ______.
A. flies
B. vulnerable birds
C. puppies
D. tigers
[单项选择]According to the passage, if you sleep more than 15 minutes after lunch______.
A. you will be refreshed
B. you will be waken up
C. you will feel far sleepier
D. you will take a cat nap
[单项选择]A new study on birds' sleep has revealed that ______.
A. half-brain sleep is found in a wide variety of birds
B. half-brain sleep is characterized by slow brain waves
C. birds can control their half-brain sleep consciously
D. birds seldom sleep with the whole of their brain at rest