标题: 陈向东黄皮逻辑支持篇Q15 [打印本页] 作者: evelyn205205 时间: 2011-4-4 11:14 标题: 陈向东黄皮逻辑支持篇Q15 Medical personnel who served in heavy combat in a recent war-even those who escaped physical injury-now have lower incomes and higher divorce rates, and score lower on psychological profiles measur-ing general happiness, than medical personnel who served in less stressful settings during that war. This evidence demonstrates that exposure to heavy-combat situations produces serious adverse effects, even among those who suffered no physical harm. Which of the following, if true, most strengthens the conclusion drawn above? (A) The medical personnel who served in heavy combat had completed significantly less schooling prior to military service than had other medical personnel. (B) The medical personnel who served in heavy combat tended to be younger at the time of their entrysintosmilitary service than were other medical personnel. (C) Parents of medical personnel who served in heavy combat show no significant difference in incomes, divorce rates, or general happiness from parents of other medical personnel. (D) Income levels, divorce rates, and levels of general happiness are the same for the medical personnel who served in heavy combat as they are for construction workers. (E) Medical personnel who served in heavy combat in an earlier war show no significant difference in incomes, divorce rates, or general happiness from other medical personnel who served in that war.
答案是C。 不是很理解 求NN们的帮助~谢谢~作者: evelyn205205 时间: 2011-4-4 16:21
自己顶一下作者: ran2010zx 时间: 2011-4-4 18:53
排除他因的支持方法： 说明不是遗传或者从小到大的环境影响导致了那些人的divorce啊之类的作者: evelyn205205 时间: 2011-4-4 22:26
thank you for your explanation