【題目】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】

試題分析：句意：熬夜對(duì)于我們的健康有害。我們應(yīng)該早睡早起。A. is good for對(duì)……有意；B. is useful for 對(duì)……有用；C. is harmful to對(duì)……有害。根據(jù)題意故選C.

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