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关于08Prep CR-2 Problem 92 的推理

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楼主
发表于 2015-8-24 10:16:20 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
第一次发帖,由于时间匆忙,要是有什么不规范的地方请版主指教。

最近在整理归类错题,研究错题目的类别,逻辑推理过程以及快速解题方法。先用一题抛砖引玉,希望得到各位高人的指点。以便小弟更好的复习。先谢谢各位!

原题及解题过程:

92.   (32249-!-item-!-188;#058&006891)
/P1 Editor:  Articles in GardeningMagazine often spur sales of the plants they describe, particularly amongpeople new to gardening. /p2 Accordingly, we will nolonger publish articles or accept advertisements praising the beauty of rarewildflowers.  /p3 Most such plants sold to gardeners have beendifficult to propagate under cultivation, so plant sellers often collect themin the wild. /C Our newpolicy is part of our efforts to halt this yearly plundering of our nativeplant populations.

Which of the following, if true, casts the mostdoubt on the wisdom of the magazine's new policy as a way of pursuing theintended effect? W

A. When people new to gardening buy plants, theyoften fail to take adequate care of the plants that they buy and becomediscouraged from buying those varieties again.
无关选项。本题讨论的的是杂志社的行为是否有效用,与园艺爱好者的行为无关。
B. Plant sellers who sell rare wildflowers haveno reasonably inexpensive alternative way to offer their wares directly to newgardeners.
无关选项。本题讨论的是杂志社的行为是否有效,与植物销售者的行为无关。
C. The demand for rare wildflowers rarely exceedsthe number of such plants that can be collected in the wild by plant sellers.
无关选项。本题讨论的是杂志社的行为是否有效,与野花需求无关。
D. The propagation of rare wildflowers oftendepends on the plants' interaction with other organisms in their environment,such as plants that create suitable soil conditions or insects and birds thatdisperse seeds.
无关选项。本题讨论的是杂志社的行为是否有效,与野花的培育条件无关。
E. Revenues from sales of plants collected in thewild are supporting the discovery of new low-cost techniques enabling rarewildflowers to be readily propagated in nurseries.
正确选项。关于野花的广告宣传或文章增加野花贩卖者的收入,收入用于野花栽培研究,最终不再需要到掠夺野花。因此,停止关于野花的文章和广告宣传行为是不明智的(unwise)。该选项正确削弱结论并且与杂志社的行为直接相关。

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沙发
发表于 2015-8-24 19:42:44 | 只看该作者
第一句不算premise,否则除了conlusion之外的每句话都是premise了。第一句就是一个background information.
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