◎ 题干
A man cannot smile like a child ,      a child smiles with his eyes , while a man smiles with his lips alone.  
[     ]
A. so          
B. but    
C. and    
D. for
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“A man cannot smile like a child ,a child smiles with his eyes , while a man smiles with his lips alone.[ ]A. soB. but C. and D. for…”主要考查了你对  【介词和介词短语】  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。