题目内容
【题目】To keep healthy, Professor Johnson________ cycling as a regular form of exercise after he retired.
A. took up B. caught on C. carried out D. made for
【答案】A
【解析】
试题分析:考查动词短语。A. took up从事---,继续,占据等; B. caught on 流行起来, 理解、明白;C. carried out执行,完成;D. made for走向,导致。句意:为了保持身体健康,Professor Johnson退休后把从事骑自行车当作一个常规锻炼。故选A。
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