◎ 题干
You can’t be ______ when you camp _____ a high altitude, ________ the air is thin.
A.enough careful; at; whichB.too careful; at; where
C.careful enough; on;at whichD.too careful; on; that
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“ You can’t be ______ when you camp _____ a high altitude, ________ the air is thin. A.enough careful; at; whichB.too careful; at; whereC.careful enough; o…”主要考查了你对  【形容词的比较级】【形容词的最高级】【形容词的排序】【形容词】  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。