◎ 题干
_____ is known to us all is that America is a developed country _____ the First World.

A. Which; belonging to
B. As; belonging to
C. What; belonging to
D. It; belonging to
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“_____ is known to us all is that America is a developed country _____ the First World. [ ]A. Which; belonging to B. As; belonging to C. What; belonging …”主要考查了你对  【现在分词】【主语从句】  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。