题目内容

All the scientific evidence ________ that increasing use of chemicals in farming ________ damaging our health.(2012·湖南)
A.show;areB.shows;are
C.show;isD.shows;is
D
evidence作“证据,证明”讲时是不可数名词,故第一空用shows;increasing use of chemicals in farming是动名词短语作主语,谓语动词用单数,故第二空用is。
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