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GMAT逻辑推理技巧和考试出题规律分享！

GMAT考试作为多方位考核的自适应考试，通常会在逻辑考题部分非常困难，俗话说得好，如果GMAT想要拿到高分，三十道题目中前十题绝对是重中之重，那么逻辑考试的出题规律到底是什么呢？我们在备考GMAT过程中应该怎么样去养成一个逻辑推理思维呢？

一、GMAT考试出题规律

1、同一规律

同一性是指思想须与自己在相同的思维过程中保持一致。同样有两个基本要求:第一，在同一维中保持概念本身相同，否则会犯混淆概念或偷换概念的错误；二是在同一思维过程中保持题目本身相同，否则会犯转题或偷换题目的错误。

2、不矛盾规律

不矛盾法是指两个人相互矛盾或相互反对的判断不同真，其中之一必为假。

两种判断相互矛盾，是指它们不能同真，也不能同假；

两种判断相互反对，是指它们不能同真，但可以同假。

3、排中规律

排中律是指两个互相矛盾的判断不能同假，必有一真。排中法则要求不能否定两个相互矛盾的判断，必须肯定其中一个。否则，你会犯两不可的错误。

4、TIPS逻辑备考卡时间

我们需要在逻辑备考的时候注意时间点，需要保障自己在一定正确的情况下去进行提交，但是尽可能卡在最妥当的时间，如果你提交速度过快，或者提交错误率较高，通常系统逻辑也会判断认为你有问题，那么就难以拿到够分。

二、GMAT CR题目出题逻辑

1、结构上：倒叙。并不是所有CR题的结论都在句尾。

考生们有无意识地认为CR问题既然考虑了逻辑，就必须按照条件推结论这样的问题顺序进行。但事实并非如此。随着学生们不断提高仓库，主题的逻辑形式也发生了变化。最明显的是，结论不一定在句子的最后，也许在句子的最后或者在句子里。

例：

Public health expert: Increasing the urgency of a public health message may be counterproductive.In addition to irritating the majority who already behave responsibly, it may undermine all government pronouncements on health by convincing people that such messages are overly cautious.And there is no reason to believe that those who ignore measured voices will listen to shouting.

首个黑体是结论，第二个则是对于第一个黑体论点的阐述和支持。

例2：

Parasitic wasps lay their eggs directly into the eggs of various host insects in exactly the right numbers for any suitable size of host egg. If they laid too many eggs in a host egg, the developing wasp larvae would compete with each other to the death for nutrients and space. If too few eggs were laid, portions of the host egg would decay, killing the wasp larvae.

此题的结论，也可以说是核心本质，其实是第一句话，后面几个条件都是在说明为什么wasps lay their eggs是exactly the right numbers for any suitable size of host egg。

二、GMAT题目难度和选项难度互换

很多时候有一些题目关系一目了然，选项让人感觉到迷惑性，有的却迷迷糊糊，选型却清晰明了。

Psychologist: In a survey, several hundred volunteers rated their own levels of self-control and their overall life satisfaction. The volunteers who rated themselves as having better self-control also reported greater satisfaction with their lives. This suggests that self-control is one factor that helps people avoid situations likely to produce dissatisfaction.

In order to assess the strength of the psychologist’s argument, it would be most helpful to know whether

A. people typically rate themselves as having significantly better self-control than expert psychological assessments would rate them as having

B. people's perceptions of how satisfied they are with their lives could be affected by factors of which they are unaware

C. there is a high level of self-control that tends to reduce overall life satisfaction

D. people's ratings of their overall satisfaction with their lives tend to temporarily decrease in situations likely to produce dissatisfaction

E. feelings of dissatisfaction significantly interfere with people’s ability to exercise self-control

此题只要看清楚条件和结论，原文关系是较好判断的，但正确选项不能过分脑补且要注意因果颠倒的陷阱，此题选D.

最后比如此题：

The contingency-fee system, which allows lawyers and their clients to agree that the lawyer will be paid only in the event of success, does not increase the number of medical malpractice lawsuits brought against doctor. As attorneys must cover the costs for their time and research, they want to be assured that any medical malpractice case they accept on a contingency-fee basis has substantial merit. Consequently, attorneys turn away many people who come to see them, for lack of a good case.

The argument above is most vulnerable to criticism on the grounds that it fails to

A. specify the criteria attorneys use to judge the merits of a medical malpractice case

B. consider whether, in the absence of a contingency-fee option, even people with meritorious cases are much less likely to initiate litigation if they believe they might incur large legal fees

C. note whether, in successful medical malpractice lawsuits, the average monetary award after legal costs have been deducted is less under contingency-fee arrangements than otherwise。

D. consider the effect of the contingency-fee system on the number of lawsuits sought for reasons other than medical malpractice

E. acknowledge the rising cost of medical malpractice insurance

相应的原文关系比较好了解，不过选项会稍微有一些迷惑性，我们需要找到核心论据，去进行理解，从而得出选B。

三、GMAT逻辑推理技巧和考试出题规律分享总结

考题技巧和出题规律来来回回无非就是那些，殊途同归，但是核心要点还是前十题上面，尤其是在遇到高难题目的时候，不要急，哪怕可以快速做出来也不要过早去提交答案，注意每一次机器出题的规律来进行判断。

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