Though most people know that smoking ________ the risk of cancer,it is still hard for them to give i

题目简介

Though most people know that smoking ________ the risk of cancer,it is still hard for them to give i

题目详情

Though most people know that smoking ________ the risk of cancer,it is still hard for them to give it up.
[     ]
A. multiplies 
B. adds
C. combines  
D. gains
题型:单选题难度:中档来源:湖北省同步题

答案

A

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