◎ 题干
Qian Xuesen is a great Chinese scientist ______ great contributions (贡献) to building our motherland.
[     ]
A. which has made
B. which have made
C. who has made
D. who have made
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Qian Xuesen is a great Chinese scientist ______ great contributions (贡献) to building our motherland. [ ]A. which has made B. which have made C. who has mad…”主要考查了你对  【关系代词】【定语从句】  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。