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There a number of natural mysteries in the world that even make scientists A.exi

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There a number of natural mysteries in the world that even make scientists A.exi

There______ a number of natural mysteries in the world that even make scientists ______

A.exists; confusing

B.are existed; confused

C.exist; confused

D.exist; confusing

试题答案

C

考查固定句型和形容词辨析。There exist...表示“存在、有......”,排除B;exist的单复数要根据后面的名词来定。根据mysteries可知,应该用复数,即原形,排除A;confused“迷惑的”,修饰人;confusing“令人迷惑的”,修饰物。这里修饰的是scientists。故选C。