GMAT逻辑是GAMT考试中比较难掌握的一门,GMAT逻辑试题被考生称为最变态的题目,可想而知GMAT逻辑在考生的心中留下多大的阴影。下面小编就为大家举例介绍一下GMAT逻辑解题思路,希望对大家有所帮助。
真正面对考试,就不那么轻松,因为有时间所限。尤其是难题,运用严格的逻辑思维来做,往往耗时甚多。尤其是五个选项逐一论证更是不切实际。所以对于逻辑题,我们必须要培养一种感觉,依靠这种感觉我们可以很快地将一些无关项排除掉。那这种感觉除了靠大量练习来培养外,更应通过察觉选项中的“无关信息”,迅速做出判断,将之排除。
这就是所谓“无关信息排除法”--- 通过选项中出现了与原文内容和推理无关的内容将之迅速排除。常常能排除五项中的三个,再对剩下的选项认真考虑,做出最后抉择。
具体实践两道题
Teenagers are often priced out of the labor market by the government-mandated minimum-wage level because employers cannot afford to pay that much for extra help. Therefore, if Congress institutes a subminimum wage, a new lower legal wage for teenagers, the teenage unemployment rate, which has been rising since 1960, will no longer increase.
(注释:priced out of the market:因价高而被挤出市场)
Which of the following statements, if true, would most weaken the argument above?
(A) Since 1960 the teenage unemployment rate has risen when the minimum wage has risen.
(B) Since 1960 the teenage unemployment rate has risen even when the minimum wage remained constant.
(C) Employers often hire extra help during holiday and warm weather seasons.
(D) The teenage unemployment rate rose more quickly in the 1970’s than it did in the 1960’s.
(E) The teenage unemployment rate has occasionally declined in the years since 1960.
先看完问题,发现是削弱题;再读原文,意思不难,很快提炼出其逻辑为
如果国会制定更低的teenagers最低工资 ===》teenagers的失业率将不再上升
显然,正确选项首先要涉及最低工资和失业率之间的关系,而其他内容则为无关信息,可以排除
显然A 和B都是相关的
而C在谈季节问题,D和E没有涉及失业率快慢的原因,都与原文逻辑无关,通通排除。
所以只需要仔细审视A和B
A: “最低工资上升的时候,失业率上升”,这与原文逻辑(更低工资将导致失业率不上升)形成了“反因反果”的关系,所以是加强。(比如:“不长跑的人不长寿”加强了“长跑的人长寿”)
这样A就被排除了
所以答案只能是B
B的正面论证:
B: “最低工资不变的时候,失业率上升”说明失业率上升可能另有他因。这个论证的说服力不是很强,所以该题用排除法更有效。注意:削弱只是降低推理成立的可能性,而不需要推翻原文逻辑
“Fast cycle time” is a strategy of designing a manufacturing organization to eliminate bottlenecks and delays in production. Not only does it speed up production, but it also assures quality. The reason is that the bottlenecks and delays cannot be eliminated unless all work is done right the first time.
The claim about quality made above rests on a questionable presupposition that
(A) any flaw in work on a product would cause a bottleneck or delay and so would be prevented from occurring on a “fast cycle” production line
(B) the strategy of “fast cycle time” would require fundamental rethinking of product design
(C) the primary goal of the organization is to produce a product of unexcelled quality, rather than to generate profits for stockholders
(D) “fast cycle time” could be achieved by shaving time off each of the component processes in production cycle
(E) “fast cycle time” is a concept in business strategy that has not yet been put into practice in a factory
本着“先读问题,再看原文”的原则,首先发现是假设题(标志很明显:rest on a questionable presupposition;不必理会questionable这个词)。然后又发现原文很绕,其中好像有两套逻辑,比较麻烦;那就看选项吧,毕竟考场上时间有限。
上述就是小编整理的关于GMAT逻辑解题思路的简介,GMAT逻辑大部分是考阅读理解,剩下部分一半是观察能力,一半是逻辑推理。所以大家在做逻辑题时一定要提高自己的阅读能力。好了,GMAT逻辑解题思路就先介绍到这里,更多GMAT逻辑解题思路,小便会为大家不断呈现,最后祝大家GMAT考试成功。
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