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英语
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Engines are machines ___ power or motion.A.produce B.producing C.produced D.which producing
这题答案是B,我想知道具体的解释,为什么不能选D呢
顺便把这句话翻译一下吧
人气:326 ℃ 时间:2020-06-28 21:04:57
解答
D是定语从句的用法,若把D代入可发现从句中没有谓语动词,所以D错.若用定语从句的表达应把D改为which produce.
B是非谓语动词的用法,用producing 是因为产生这个动作是engines主动发出的,所以用produce的现在分词形式.其实非谓语producing 在这里就相当于machines 的定语,一个修饰.
翻译:发动机是一种产生动力和运动的机器.(翻得不太好,但意思出来了.)
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