题目内容
【题目】If poisons like DDT ______ to control insects, there will be serious environmental damage.
A.are used B.is used C.use D.used
【答案】A
【解析】主语是poisons,like DDT是后置定语,谓语动词与主语保持一致,用复数,毒药是被使用,故用被动语态,故选A项。
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【题目】If poisons like DDT ______ to control insects, there will be serious environmental damage.
A.are used B.is used C.use D.used
【答案】A
【解析】主语是poisons,like DDT是后置定语,谓语动词与主语保持一致,用复数,毒药是被使用,故用被动语态,故选A项。