阅读判断
Since 1939,numerous 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 is associated with a shortened life expectancy.
Q:Smoking reduces one's life expectancy.
A.Right
B.Wrong
C.Not mentioned
【正确答案】A
【答案解析】该题说的是：抽烟会缩短人们的预期寿命。原文最后一句说了：烟草与人的预期的寿命缩短有关。
