◎ 题干
China has _____ population of more than 13 billion, and about 60 percent of them _____ peasants.  
[     ]
A. the; are    
B. the; is      
C. a; are      
D. a; is
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“China has _____population of more than 13 billion, and about 60 percent of them _____peasants. [ ]A. the; are B. the; is C. a; are D. a; is…”主要考查了你对  【不定冠词】【系动词】  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。