题目内容
Never form the habit of smoking because it ______ human beings.
A. does harm with B. is harmful to C. is harm for D. does harmful to
【答案】
B
【解析】略
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题目内容
Never form the habit of smoking because it ______ human beings.
A. does harm with B. is harmful to C. is harm for D. does harmful to
B
【解析】略