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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
4
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 is about______.
选项
A、why sleepwalking happens
B、where sleepwalkers go
C、what sleepwalkers do
D、when sleepwalkers walk
答案
A
解析
通读全文可知,文章主要介绍了梦游症的产生原因、高发年龄段和遗传概率等,所以A项最符合题意。
转载请注明原文地址:https://kaotiyun.com/show/0mxC777K
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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