题目内容
It’s essential for citizens to know that the haze(雾霾.can do harm ________ people’s health.
A.with | B.for | C.on | D.to |
D
试题分析: 句意:很有必要让市民们了解雾霾对人们健康的危害。do harm to对某事物有危害,固定短语,故选D.

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A.with | B.for | C.on | D.to |