◎ 题干
Water, which seems to be so simple and common, is ______ makes life possible.

A. that
B. which
C. what
D. where
◎ 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“Water, which seems to be so simple and common, is ______ makes life possible. [ ]A. that B. which C. what D. where …”主要考查了你对  【连接代词】【表语从句】  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。