Smoking increases the risk of heart disease. The average smoker is about ____ to die of a heart atta

题目简介

Smoking increases the risk of heart disease. The average smoker is about ____ to die of a heart atta

题目详情

Smoking increases the risk of heart disease. The average smoker is about ____ to die of a heart attack as
a non-smoker.
[     ]
A. twice more likely
B. twice so likely
C. twice as likely
D. twice likely
题型:单选题难度:中档来源:模拟题

答案

C

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