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根据下面资料，回答题 I′ve often wondered how exactly sleep, or lack of it, can have s...

作者: tihaiku 人气: - 评论: 0

问题根据下面资料，回答题 I′ve often wondered how exactly sleep, or lack of it, can have such an awful effect on our bodies and, guess what, how much we sleep switches good genes on and bad genes off. In the first half of 2013, the Sleep Research Centre at the Univers

选项 A.Sleeping hours and changes of genes. B.Sleeping hours and diseases. C.Changes of genes and diseases. D.Genes and health.

答案 A

解析主旨题。阅读第一段、最后一段和每段第一句话，不难看出本文主要讲的是睡眠时间与人体内基因的关系。第二段中的“a direct link between hours spent sleeping and genes”更是直接地进行了表述。故选A。

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根据下面资料，回答题 I′ve often wondered how exactly sleep, or lack of it, can have s...

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