题目内容
【题目】The farmers built long fences, __________ keeping the wild dogs out of them.
A. aim at B. aim for C. aiming at D. aimed for
【答案】C
【解析】句意：农民建造很长的篱笆，目的在于阻止野狗入内。aim at “力争做到”，且在句中使用现在分词短语形式作目的状语。
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【题目】The farmers built long fences, __________ keeping the wild dogs out of them.
A. aim at B. aim for C. aiming at D. aimed for
【答案】C
【解析】句意：农民建造很长的篱笆，目的在于阻止野狗入内。aim at “力争做到”，且在句中使用现在分词短语形式作目的状语。