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(英语类学生必做) Sleep is important to us because it helps restore organs and tissues in our body. But how much sleep do we actuall
(英语类学生必做) Sleep is important to us because it helps restore organs and tissues in our body. But how much sleep do we actuall
admin
2010-10-31
54
问题
(英语类学生必做)
Sleep is important to us because it helps restore organs and tissues in our body. But how much sleep do we actually need?
For most of us, eight hours seems to be about the right amount. Yet we know that there are many people who get 【61】 perfectly with less sleep, and some who may need 【62】 A great deal depends on the 【63】 we live. But a good general rule 【64】 is to sleep as long as we have to in order to feel happy and be able to work 【65】 our best when we awaken.
There are actually different 【66】 of sleep. There is a deep sleep and a shallow sleep. In a shallow sleep our body does not get the same kind of rest it gets in a 【67】 sleep, 【68】 after eight hours of a shallow sleep we may still feel tired. But a short, deep sleep can be very 【69】 Alexander—the Great Emperor was able to get a deep sleep 【70】 he needed it. Once, during the night before an important battle, he remained 【71】 longer than anyone else. 【72】 he wrapped himself in a cloak and 【73】 down on the earth. He slept so 【74】 that his generals had to wake him three times for him to give the 【75】 to attack!
Normally when we go to sleep, our " sleep center" blocks off nerves so that 【76】 our brain and body go to sleep. 【77】 prevents us from wanting to do anything, and the other 【78】 our internal organs and limbs go to sleep. 【79】 sometimes only one goes to sleep and the other does not. A very tired soldier can sometimes 【80】 asleep (brain sleep) and keep on marching, because his body is not asleep.
选项
A、active
B、awake
C、asleep
D、aware
答案
B
解析
本句意思是:在重要战役前夕,他比任何人清醒的时间都要长。aware形容词,清醒的,意识到的,搭配是be+aware,asleep也是形容词,睡着的,与后一句相矛盾。active积极的,活跃的。
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本试题收录于:
英语题库普高专升本分类
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英语
普高专升本
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