题目内容
5.It is not hard to understand why people gain weight when _____ in more calories than they use.( )A. | taking | B. | taken | C. | to take | D. | being taken |
分析 当人们摄入的热量比他们需要的多时,人们会长胖,这是不难理解的.
解答 答案:A.
根据句子结构可以知道"when _____ in more calories than they use"是"people gain weight"的时间状语,又因为take和people之间是主动关系,所以答案是A taking.其他选项不符合这个结构,B表示被动;C不做时间状语;D表示被动正在进行.
点评 考查现在分词做时间状语.
现在分词做时间状语也可以换作是when引导的时间状语从句,例如本句可以写成:
It is not hard to understand why people gain weight when they take in more calories than they use.
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