题目内容

2.Air pollution,together with littering,____ many problems in our large industrial cities today.(  )
A.causesB.causeC.causedD.causing

分析 空气污染,加上乱丢垃圾,在我们今天的大工业城市导致了许多问题.

解答 答案A.
根据句中的时间状语today,可排除C;横线处缺少谓语动词,而causing是非谓语动词,可排除D.当主语为单数名词或代词,尽管后面跟有with,together with,except,but,like,as well as,rather than,more than,no less than,besides,including等引起的短语,谓语动词仍用单数形式;若主语为复数,谓语用复数形式.在本题中主语是air pollution,是单数的名词,故谓语动词使用单数的形式,排除B.故答案选A.

点评 本题考查主谓一致.主语为单数名词或代词,尽管后面跟有with,together with,except,but,like,as well as,rather than,more than,no less than,besides,including等引起的短语,谓语动词仍用单数形式;若主语为复数,谓语用复数形式.
如:Mr.Green,together with his wife and children,has come to China.
Nobody but Jim and Mike was on the playground.
She,like you and Tom,is very tall.

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