题目内容：
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单选题：Paragraph 2----------------
- 题目分类：卫生类
- 题目类型：单选题
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Sleep helps brain to________.
Sleep helps brain to________.
They solved that problem (intelligence)
They solved that problem (intelligence)
He must have heard of the bad news,______________can be per
He must have heard of the bad news,______________can be perceived in his expre
Laptops are now so expensive______________beyond the reach o
Laptops are now so expensive______________beyond the reach of almost everyone.A．
M公司的期间费用总额为（ ）元。
M公司的期间费用总额为（ ）元。A．160 000 B．144 000 C．122 000 D．180 000