◎ 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. which to base on  
C. on which to base
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. which to base on C. on whi…”主要考查了你对  【关系代词】【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。