◎ 题干
The heavy smoker has decided to _____   smoking,for he knows smoking _____  his health.    
 [     ]
A. cut down; is harmful to      
B. cut up; does harm to      
C. cut off; is harmful for    
D. cut down; does harm 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“The heavy smoker has decided to _____ smoking,for he knows smoking _____his health. [ ]A. cut down; is harmful toB. cut up; does harm toC. cut off; is har…”主要考查了你对  【动词短语】  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。