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　　閱讀判斷

　　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

　　【正確答案】A

　　【答案解析】該題說的是：抽煙會縮短人們的預期壽命。原文最后一句說了：煙草與人的預期的壽命縮短有關。