Madame Curie is believed _______ radium.A．discoveringB．having discoveredC．to hav - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

Madame Curie is believed _______ radium.

A．discovering

B．having discovered

C．to have discovered

D．to discover

答案

解析

句型sb be believed to do 据说… 。根据语境可知discover是已发生的动作所以用不定式的完成式。据说居里夫人发现了镭。选C

核心考点

试题【Madame Curie is believed _______ radium.A．discoveringB．having discoveredC．to hav】；主要考察你对现在分词等知识点的理解。[详细]

举一反三

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A．puzzling; puzzled

B．puzzled; puzzled

C．puzzled; puzzling

D．puzzling; puzzling

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A．Get

B．Having got

C．Getting

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A．based on

B．base on

C．to base on

D．basing on

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A．Having been killed

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