◎ 题干
____ is known to us all is that America  is  a  developed country  ___  the First World. 
[     ]
A. Which; belonged    
B. As; belonging to    
C. What; belonging to    
D. It; belonging
◎ 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“____ is known to us all is that Americaisadeveloped country___the First World.[ ]A. Which; belongedB. As; belonging toC. What; belonging toD. It; belong…”主要考查了你对  【连接代词】【现在分词】  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。