题目内容

(2013·山东卷)There is no simple answer,________is often the case in science.

A.as  B.that

C.when  D.where

 

A

【解析】句意为:科学往往如此,它没有一个简单的答案。本题考查定语从句。设空处前有逗号,故判断设空处引导非限制性定语从句。空格处的引导词在从句中作主语,排除C、D两项;that不能引导非限制性定语从句。

答案: A

 

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4.A.immediate B.misleading

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14.A.stepping forward B.going on

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17.A.different B.European

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18.A.curiosity B.excitement

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