◎ 题干
Zhong Nanshan, the famous medical scientist, has devoted most of his life          useful ways in treating
cough diseases.
[     ]
A. to finding        
B. find        
C. to find        
D. finding
◎ 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“Zhong Nanshan, the famous medical scientist, has devoted most of his life useful ways in treating cough diseases.[ ]A. to finding B. find C. to find D. find…”主要考查了你对  【动名词】【介词】  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。