Lsat-13-4-19,Lsat-13-4-22,Lsat-13-4-24

merlion

我的理解:
22. (c) 解释了特例 "A long-term health study that followed a group of people..", smoking造成"shorter life spans ", 不违反"other studies that have associated weight gain with...". 因为smoking"shorter life spans", 不是因为胖才健康。
    (b)没提"减少寿命"

[此贴子已经被作者于2003-8-22 1:12:32编辑过]

merlion

"找个..特例来说明二者不矛盾"  you got it

[此贴子已经被作者于2003-8-22 1:19:57编辑过]