He was puzzled by this phenomenon. He began to try every approach the best way of working it out. A. known to find B. knowing to find C. known finding D.knowing finding 题目和参考答案——青夏教育精英家教网—

题目内容

He was puzzled by this phenomenon. He began to try every approach _________ the best way of working it out.

A. known to find B. knowing to find C. known finding D.knowing finding

解析:

第一题选A ，原因是这里面的known 是做形容词，被知晓的。形容approach方式途径。后面的to find 接目的状语，表示目标。

B knowning 动名词一般是主动意思，所以不正确。

C D不能表示目的含义。

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Building after building under water．Refugees in shelters．Thousands of others unsure where to go．Bodies in streets．This is what one of America's historic cities was reduced to this week by a powerful storm, Katrina．The mayor of New Orleans says thousands may be dead．Hurricane Katrina also caused death and destruction in parts of Mississippi and Alabama along the Gulf of Mexico．

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