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看完了helr的CR笔记，决定非常好用。尤其感谢GeorginaZhou整理的笔记。https://forum.chasedream.com/for ... &highlight=helr
今天做了OG的题目，但是还是做错了，因为自己并没有很好地消化这个笔记。然而，在整理错题是，发现把helr的办法放进去，题目一下就清晰了。之后又在另外一个地方见到非常类似的结构的CR，感觉这个大概算是GMAT CR的一个比较典型的逻辑结构题目。先上题目：
我做错的是OG2019，文本逻辑推理复习CR部分，#138题， 140页。
138. Budget constrains have made police officials consider reassinging a considerable number of officers from traffic enforcement to work on higher-priority, serious crims. Reducing traffic enforcemnt for this reason would be counterproductive, however, in light of the tendency of crimnals to use cars when engaged in the commission of serious crimes. An officer stopping a car fro a traffic violation can make a serach that turns up evidence of serious crime.
Which of the following, if true, most strenthens the arugment given?
A, An officer who stops a car containing evidence of the commssion of a serious crime risks a violent confrontation, even if the cehicle was stopped only for a traffic violation.
B, When the public becomes aware that raffic enforcement has lessened, it typically becomes lax in obeying traffic rules.
C, Those willing to break the law to commit serious crimes are often in committing such crimes unwilling to observe what they regards as the lesser constraints of traffic law.
D, The offenders committing serious crimes who would be caught because of traffic violations are not the same group of individuals as those who would be caught if the arresting officers were reassigned from traffic enforcemnt.
E, The great majority of persons who are stopped by officers for traffic violations are not guilty of any serious crimes.
做题的时候肯定没有时间去想什么逻辑结构解题技巧之类的，所以就想平时一样选择。然鹅，虽然觉得很简单，但是选择答案的时候在A和C之间犹豫了好久。后来选错了。正确答案是C。OG的解释对我来说也是很粗线条。所以使用了helr的办法分析。这个是我自己的分析，欢迎小伙伴们一起来讨论。
part 1:
目标：reduce serious crimnals
方案：by reducing traffice enforcement
part 2:
However, comment: this plan cannot work (counterproductive).
Premise: traffice violation - serious crime
Quetions: why does not the plan work?
因此题目被我转换成了因果关系：为什么因（reduce traffice enforcement) 不能导致果 （reduce serious crime)
那么为了解释这个关系，答案肯定不可避免要提到traffice enforcement 和 crime 之间的关系。那么B, D, E 都马上就排出了。留下A和C。 A其实也是有这种可能性存在的，但是我自己想这个还是比较小概率事件的，也不可能哪个警察真这么倒霉会必然的遇到这个事情。（这个感觉有点自己胡诌）。 不过相对比C，这个就很有普遍适用性了，而且题目问的方式也是哪一项最 most strengthen。 因此选择C。
其实这个题目的分析，我自己感觉还是很复杂。有小伙伴有其他简易操作的方法请不吝赐教。
刚才看babybearmm 的帖子，里面涉及到一个非常相似结构的CR，她也是当做错题整理的。
她是指关键要看结论，这个我也是非常同意的。和之前那么警察的题目一样，结论非常重要。
她的分析：https://forum.chasedream.com/thread-739174-1-1.html
Tiger sharks are common in the waters surrounding Tenare Island. Usually tiger sharks feed on smaller sharks, but sometimes they have attacked tourists swimming and surfing at Tenare’s beaches. This has hurt Tenare’s tourism industry, which is second only to its fishing industry in annual revenues. In order to help the economy, therefore, the mayor of the island has proposed an ongoing program to kill any tiger sharks within a mile of the beaches.
Which of the following, if true, most strongly calls into question the likelihood that implementation of the mayor’s proposal will have the desired consequences?
(A) Even if not all the tiger sharks that come close to the beaches are killed, the existence of the program would reassure tourists.
(B) Business owners who depend on tourism are willing to pay most of the cost of implementing the program.
(C) Tourists come to Tenare Island for its beaches, even though the island features a number of other tourist attractions.
(D) The small sharks on which tiger sharks prey feed on fish that are commercially important to the island’s fisheries.
(E) Not all tourists who come to Tenare Island enjoy swimming or surfing.”
我这个题目做对了，感觉是因为刚好分析完警察那个题目而且两个题目之间有很大的相似性。所以这个题目很快就排出了A，B， D ， E， 因为没有任何涉及到kill tiger sharks （方案） 和improve local economy （目的）直接到关系。
具体我还是把题目分成了：part 1, 方案。part 2， 因果关系。问题在因果关系上面。
这个类型的题目是目前我开始出错的地方，写出来和大家分享，共同讨论。希望可以找到更好更实用更有效率的快递解答方式。
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发表于 2018-8-7 22:11:59
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