【題目】 People planted trees on the waste hills_________ water and soil loss.

A. to decrease B. decreasing

C. decreased D. decrease

【答案】A

【解析】試題分析：句意：人們?cè)诨纳缴戏N植了樹(shù)木，目的是減少水土流失�？疾椴欢ㄊ阶瞿康臓钫Z(yǔ)，動(dòng)詞-ing形式表主動(dòng)和進(jìn)行，通常做時(shí)間狀語(yǔ)或伴隨狀況，動(dòng)詞-ed形式表被動(dòng)和完成，由句意可知，選A。

考點(diǎn): 考查非謂語(yǔ)動(dòng)詞的用法。

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