◎ 题干
Without facts,we can’t form a correct opinion,for we need to have actual knowledge____ our thinking.
[     ]
A. which to be based on
B. on which to base
C. which to base on
D. which to base
◎ 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“Without facts,we can’t form a correct opinion,for we need to have actual knowledge____ our thinking.[ ]A. which to be based onB. on which to baseC. which to…”主要考查了你对  【关系代词】【介词和介词短语】【不定式】【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。