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The population problem may be ______ one of the world today.

A. the most         B. most difficult   C. the greatest      D. more interesting

 

【答案】

C

【解析】考查形容詞比較級(jí)別的用法。根據(jù)后面的范圍“of the world”確定使用最高級(jí)，因此可排除D項(xiàng)；A項(xiàng)意思不搭，B項(xiàng)缺少the，也排除；C項(xiàng)指最大的問(wèn)題，最佳選項(xiàng)。

 

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