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---Doing sports ___ good for our health.

--- Yes, so I do morning _____ every day.

A.is, exercise                            B.is, exercises

C.are, exercise                           D.are, exercises

 

【答案】

B

【解析】

试题分析:句意:做运动对我们的健康有益。——是的,因此我每天做早操。上文主语Doing sports表达抽象含义,不可数,故谓语动词用单数。Exercise作名词讲时,是可数名词。结合语境可知下文早操表达复数含义,故exercise用复数形式,选B。

考点:主谓一致及名词的数

点评:be动词往往根据句子的主语而有所不同,其应用原则可以结合如下歌谣来记忆;我用am,你用are;is用在他、她、它。单数名词用is,复数名词全用are。英语中名词有可数名词与不可数名词之分,可数名词又有单复数之分,当可数名词的数量不是一个时,要变成复数形式,其构成规则也比较复杂,需要不断总结记忆。不可数名词大多是一些物质名词和抽象名词,没有数的变化,需要注意的是,一些在汉语中明显可数的名词,在英语中往往不可数,也需要加以总结,注意了解中西文化的差别,不能以中式思维思考英语问题。

 

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