注意:此页面搜索的是所有试题
题目内容
(西安石油大学大学英语I(下))
Numerous scientific studies have been conducted to determine whether smoking is a health hazard. The trend of the evidence has been consistent and indicates that there is a serious health risk. Research teams have conducted studies that show beyond all reasonable doubt that tobacco smoking, particularly cigarette smoking, is associated with shortened life expectancy.
(本题15.0分)
(本题15.0分)
参考答案