◎ 题干
_________is known to us all,America is a developed country__________the first world.   
[     ]
A. Which; belonging to            
B. Which; belonged to    
C. As; belonging to                  
D. As; belonged to
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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,America is a developed country__________the first world.[ ]A. Which; belonging toB. Which; belonged to C. As; belonging to D.…”主要考查了你对  【关系代词】【现在分词】【非限制性定语从句】  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。