A hard-working man become a great scientist, but a great scientist be a hard-working man.A. can’t; can B. may not; can C. mustn’t; must D. may not; must 题目和参考答案——青夏教育精英家教网—

题目内容

A hard-working man__ _______become a great scientist, but a great scientist__________

be a hard-working man.

A. can’t; can B. may not; can

C. mustn’t; must D. may not; must

【解析】

试题分析：句意:一个工作努力的人可能不会成为科学家，但是一个伟大的科学家一定是努力工作的人。can’t 不可能，语气较强；may not 可能不，语气弱；must 一定。这里考查的是情态动词表示推测的用法，根据句意可知选D。

考点：考查情态动词。

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