问一道大逻辑题（大全test12 no.11)

pangsile · 发表于 2010-7-15 16:43:07

When a person is under intense psychological stress, his or her cardiovascular response is the same as it is during vigorous physical exercise. Psychological stress, then, must be beneficial for the heart as is vigorous physical exercise.
The argument above relies on which of the following assumptions?
(A) Exercise is an effective means of relieving psychological stress.
(B) The body’s short-term cardiovascular response to any activity indicates that activity’s long-term effect on the body.
(C) Cardiovascular response during an activity is an adequate measure of how beneficial the activity is for the heart.
(D) Psychological stress can have a positive effect on the body.
(E) Vigorous exercise is the most reliable method of maintaining a healthy heart.

答案是C 我选的E 没有弄懂C的意思

望大牛指教谢谢

2008115061 · 发表于 2010-7-15 21:36:51

注意原文中条件和结论之间的gap，就是缺少的assumption.
原文的行文逻辑：心理压力和体育锻炼带来一样的 cardiovascular response ，因此两者对心脏的效果一样。
这里作者有了这样的假设：cardiovascular response 就是用来衡量心脏活动情况的有效标准。
对于E, the most reliable 无从知晓~

问一道大逻辑题（大全test12 no.11)

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