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考研
Judging from recent surveys, most experts in sleep behavior agree that there is virtually an epidemic of sleepiness in the natio
Judging from recent surveys, most experts in sleep behavior agree that there is virtually an epidemic of sleepiness in the natio
admin
2022-01-04
56
问题
Judging from recent surveys, most experts in sleep behavior agree that there is virtually an epidemic of sleepiness in the nation. "I can’t think of a single study that hasn’t found Americans getting【C1】________sleep than they ought to." says Dr. David.
【C2】________people who think they are sleeping enough would probably be【C3】________with more rest.
The beginning of our sleep deficit crisis can be【C4】________to the invention of the light bulb a century ago. From diary entries and other personal【C5】________from the 18th and 19th centuries, sleep scientists have reached the【C6】________that the average person used to sleep about 9.5 hours a night. "The best sleep habits once were【C7】________on us, when we had nothing to do in the evening down on the farm, and it was dark." By the 1950s and 1960s, that sleep schedule had been reduced【C8】________, to between 7.5 and 8 hours, and most people had to wake to an alarm clock. "People cheat on their sleep, and they don’t even【C9】________they’re doing it," says Dr. David. "They think they’re okay because they can【C10】________on 6.5 hours, when they really need 7.5, 8 or even more to feel ideally【C11】________."
Perhaps the most merciless robber of sleep, researchers say, is the【C12】________of the day. Whenever pressures from work, family, friends and community【C13】________, many people consider sleep the least【C14】________item on the agenda. "In our society, you’re considered【C15】________if you say you only need 5.5 hours’ sleep. If you say you’ve got to get 8.5 hours, people think you lack【C16】________and ambition."
To assess the【C17】________of sleep deficit, researchers have put subjects【C18】________a set of psychological and performance tests requiring them, for instance, to add columns of numbers or recall a passage read to them only minutes earlier. "We’ve found that if you’re sleep-deprived, performance【C19】________," says Dr. David. "Short-term memory is impaired,【C20】________are abilities to make decisions and to concentrate."
【C17】
选项
A、results
B、causes
C、consequences
D、outcomes
答案
C
解析
本句为本段主题句,由下文Short-term memory is impaired可知,研究专家做试验的目的是为了知道睡眠不足的后果。C项consequences带有贬义,指不太好的后果,故正确。A项results强调前因后果,表示某事发生而导致的直接结果。B项causes“起因”,睡眠不足的原因并没有在下文中讨论到。D项Outcomes“结果,结局”,常指某项活动、过程、状况结束时的状态。
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0
考研英语二
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