Sleep problems can seriously affect one’s quality of life. It is true that older people need less sleep than younger people.

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问题 Sleep problems can seriously affect one’s quality of life.
It is true that older people need less sleep than younger people.

选项 A、Right
B、Wrong
C、Not mentioned

答案B

解析 短文的第一段第二句又说,老年人所需要的睡眠时间与年轻成年者没有什么区别。
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