题目内容

【题目】Staying up late _____ our health. We should go to bed early and get up early.

A. is good for

B. is useful for

C. is harmful to

【答案】C

【解析】

试题分析：句意：熬夜对于我们的健康有害。我们应该早睡早起。A. is good for对……有意；B. is useful for 对……有用；C. is harmful to对……有害。根据题意故选C.

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