题目内容
18. a push,an object will move forward and do work.( )A. | Giving | B. | To give | C. | Being given | D. | Given |
分析 句意:物体被给一个推动力,它就会向前移动并运行(工作).
解答 答案D.
分析句子结构可知,逗号之后是主句,逗号之前是非谓语动词形式.主句主语为"an object",与所给动词"give"构成逻辑上的被动关系,从而排除A和B项.C项"Being given"表动作正在进行,不符合语境,故排除.D项"Given"表被动且动作已完成,过去分词短语作条件状语,相当于"If the object is given a push",主句用一般将来时,从句中用一般现在时.因此D项符合语境,故选D.
点评 本题考查非谓动词用法.做这类题目首先根据句意判断是谓语还是非谓语,如果是分词做状语的时候,看动词与逻辑主语构成主动关系,就使用现在分词的形式;如果二者构成被动关系就使用过去分词的形式.
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