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If someone is sleepwalking, they are walking around while they are asleep. Sleepwalking happens when a person is not fully aslee
If someone is sleepwalking, they are walking around while they are asleep. Sleepwalking happens when a person is not fully aslee
admin
2020-02-11
27
问题
If someone is sleepwalking, they are walking around while they are asleep. Sleepwalking happens when a person is not fully asleep but not quite awake. Usually we move from our deepest level of sleep to a lighter level and stay there. Sleepwalkers come right up to wake levels but do not fully awaken. It is at this time that they get up and walk.
The longer a person stays in deep sleep, the more time it takes for the sleep to be broken. That opens up the possibility of being awakened (but not fully) and of sleepwalking.
Sleepwalking happens more often among young people than grown-ups because young people usually have more deep sleep. Up to 7% of 5- to 12-year-olds sleepwalk, while only about 2% of grown-ups sleepwalk. We get less deep sleep as we are getting older and the possibility of sleepwalking is also reduced.
Sleepwalking may run in families, too. If one of your parents was a sleepwalker, you have about a 50% possibility of also being a sleepwalker.
This passage may be from______.
选项
A、a story book
B、a travel book
C、a science book
D、a cooking book
答案
C
解析
本文主要介绍了“梦游症”这一生理现象,属于科学范畴,且用语严谨客观,可以推测本文可能出自科普书籍。故选C。
转载请注明原文地址:https://kaotiyun.com/show/umxC777K
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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