所以，小编就为大家准备了集中题型的解题步骤和出题类型，根据这些内容我们又能找到什么样的解题方法呢?下面小编通过几道题目来为大家解答。
一、GMAT逻辑假设题的解题步骤
1、看原文：找出结论和推出该结论的前提。特别注意结论的特殊性和具体性。对于充分必要的，列出推理链。
2、找答案——答案分两类型：
(1) SUPPORT(填补推理上的概念GAP)。
(2) DEFENDER(排除WEAKEN结论的可能性，即排除他因)。
3、读原文：
推理中有概念GAP(特别是答案出现新元素)，则答案填补这个GAP(通常新元素必出现)，否则找他因，排除推理中的WEAKNESS。最后用TEST检验或排除易混的答案。对于后一类用有关无关有时比较好，用结论的具体性和特殊性去分有关无关，排出剩下的用TEST。
DENIAL TEST：将选项取非，原文结论不成立，则为正确选项。
(详情请看 GMAT逻辑假设题型讲解 )
二、GMAT逻辑假设题几种特殊类型
1、因果型结论。
ASSUMPTION的方法包括：A。不是其他原因或可能导致该结果。B。结合因果：或有因有果或无果无因。C。因果没颠倒。D显示因果关系的资料是准确。
2、条件型结论：结论带条件(即为充分必要)。
ASSUMPTION的方法排除充分条件出现，必要条件不出现的情况。或充分条件一定能推出必要条件，或排除充分条件推不出必要条件的可能。
3、原文是类比：ASSUMPTION方式为两者本质不是不同。
4、调查：肯定有效性(被调查的对象有代表性等)。
(详情请看 GMAT逻辑假设题的类型 )
三、GMAT逻辑取非例题分析
例一：GWD17-Q29
Educational Theorist:
Recent editorials have called for limits on the amount of homework assigned to children. They point out that free-time activities play an important role in childhood development and that large amounts of homework reduce children’s free time, hindering their development. But the average homework time for a ten year old, for example, is little more than 30 minutes per night. Clearly, therefore, there is no need to impose the limits these editorials are calling for.
Which of the following is an assumption on which the educational theorist’s argument relies?
A. The free-time activities that ten year olds engage in most are all approximately equally effective at fostering development.
B. Regularly doing homework assignments improves children’s academic performance.
C. Individual teachers are not the best judges of how much homework to assign the children they teach.
D. In most schools, if not all, the homework assignments given are of a length that does not diverge widely from the average.
E. Free-time activities rarely teach children skills or information that they can use in their academic work.
例题分析：
平均数类型：
situation: 人们要求限制给孩子留作业的数量。课余活动很重要。大量的作业会减少孩子的课余活动，阻碍他们的成长。
reason: 孩子平均做作业的时间每晚不到30分种.
conclusion: 没必要限制作业数量。
assumption: 学校留的作业数量都和平均数差不多。
假设：不会偏离平均数太远。
例二：GWD2-Q32
Newspaper editorial:
In an attempt to reduce the crime rate, the governor is getting tough on criminals and making prison conditions harsher. Part of this effort has been to deny inmates the access they formerly had to college-level courses. However, this action is clearly counter to the governor’s ultimate goal, since after being released form prison, inmates who had taken such courses committed far fewer crimes overall than other inmates.
Which of the following is an assumption on which the argument depends?
A. Not being able to take college-level courses while in prison is unlikely to deter anyone from a crime that he or she might otherwise have committed.
B. Former inmates are no more likely to commit crimes than are members of the general population(与general population 比较无意义。) .
C. The group of inmates who chose to take college-level courses were not already less likely than other inmates to commit crimes after being released. (排除他因)
D. Taking high school level courses in prison has less effect on an inmate’s subsequent behavior than taking college-level courses does.
E. The governor’s ultimate goal actually is to gain popularity by convincing people that something effective is being done about crime.
例题分析：
比较型题：
situation: 为减少犯罪率，决定取消在监狱里提供的一些课程。
conclusion: 政府这样做达不到预期目的。
reason: 在出狱后，上过这种课程的人，要比没上过这种课程的人的犯罪率少低。
assumption: 上过这种课程的人比没上过该课程的人在出狱后，不会本身就比那些没上过该课程的人有更小的犯罪倾向。
此assumption直接对reason提出。
两者之间比较的assumption经常排除两者之间的差异性。
(详情请看 GMAT逻辑例题分析 )
GMAT逻辑假设题的解法和内容有很多，小编在介绍这些内容的时候都会为大家举出相应的例题。参考相应的例题能够帮助大家加深理解。
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