◎ 题干
Pierre Curie stopped his research and _____ Marie in the search of an unknown material.

[      ]

A. attended
B. joined
C. took part in
D. joined in
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Pierre Curie stopped his research and _____ Marie in the search of an unknown material. [ ]A. attended B. joined C. took part in D. joined in …”主要考查了你对  【动词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。