题目内容
14.A survery of the opinions of experts ______ that three hours of outdoor exercise a week ______ good for one's health.( )A. | show; are | B. | shows; is | C. | show; is | D. | shows; are |
分析 专家的调查意见表明一周三小时的户外运动有利于身体健康.
解答 答案:B 主句的主语是 A survery,所以谓语动词用第三人称单数形式;three hours of outdoor exercise a week 为从句的主语,表达的是抽象概念,所以从句的谓语动词也要用第三人称单数.故选B
点评 本题考察了英语中的主谓一致,即主语,谓语要始终保持人称与数的一致性.特别要注意总结谓语动词使用第三人称单数的情况,例如:当主语为不可数名词,动名词,不定式或者从句做主语时,谓语动词通常用第三人称单数等.
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