◎ 题干
What we all know is that the old scientist, _______ life was hard in the past, still works very hard in his eighties.
A.for whomB.for him
C.for whoseD.for which
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“What we all know is that the old scientist, _______ life was hard in the past, still works very hard in his eighties. A.for whomB.for himC.for whoseD.for which…”主要考查了你对  【限制性定语从句】【非限制性定语从句】  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。