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GMAT逻辑考试应该掌握规律

(2014-04-24 17:17:40)

 

GMAT逻辑是很多人复习的时候所不愿提及的,很多考生心目中GMAT逻辑都是非常难的。做题做了不少,但是还是找不到考试的窍门,其实GMAT逻辑是有规律可循的,掌握了逻辑的出题规律还怕得不到高分吗?天道教育下面给大家介绍一些逻辑的考试技巧,帮助大家掌握出题规律:

  其实这种逻辑类考题并不像大家所想象的那样毫无规律,只要将历年真题加以总结就可以发现,这些题目还是可以有迹可循的。从总的方向来看,可以分为以下几个种类:

  1. 事物的本身不能说明问题,事物的变化方能说明问题

  这类考题和GMAT逻辑中的一类考题是非常类似的,仅仅通过事物的本身不能说明问题,事物变化的趋势和结果才能说明问题。比如我们看下面两道题目:

  1.As the price of gasoline rises, which makes substituting alcohol distilled from cereal grain attractive, the prices of bread and livestock feed are sure to increase.

  (A) which makes substituting alcohol distilled from cereal grain attractive

  (B) which makes substituting the distillation of alcohol from cereal grain attractive

  (C) which makes distilling alcohol from cereal grain an attractive substitute

  (D) making an attractive substitution of alcohol distilled from cereal grain(E)

  (E) making alcohol distilled from cereal grain an attractive substitute

  这道题目中划线部分的which只能用来指代价格,但是价格的本身是不能说明用从谷物中蒸馏出来的酒精来做替代品变得更有吸引力的,油价上涨了这件事情方能说明,所以不能使用which,因为which只能指代一个特定的主体,它不能用来指代整个句子。应该用现在分词做伴随状语来表结果,所以答案应该选E,使用make n1 n2的句型。

  2.Some of the tenth-century stave churches of Norway are still standing, demonstrating that with sound design and maintenance, wooden buildings can last indefinitely.

  (A) standing, demonstrating that with sound design and maintenance, wooden buildings can last indefinitely

  (B) standing, demonstrating how wooden buildings, when they have sound design and maintenance, can last indefinitely

  (C) standing; they demonstrate if a wooden building has sound design and maintenance it can last indefinitely

  (D) standing, and they demonstrate wooden buildings can last indefinitely when there is sound design and maintenance(A)

  (E) standing, and they demonstrate how a wooden building can last indefinitely when it has sound design and maintenance

  这道题目的意思是一些十世纪的教堂在挪威依然屹立着,展示了有着很好的设计和保养,木质结构可以无限延续下去,所以答案选A,同样用现在分词做伴随状语来表结果,而C,D,E的逻辑就错了,它们使用了they,只能指代复数名词教堂,变成教堂本身展示了有着很好的设计和保养,木质结构可以无限延续下去,这个逻辑是不对的,教堂本身怎么可能展示呢?比方说十世纪有个教堂,到了十一世纪就倒塌了,它所展示的意义不是刚好和原文相反了吗?所以教堂本身是不能展示的,教堂在挪威依然立着这件事情方能展示有着很好的设计和保养,木质结构可以无限延续下去。C,D,E的逻辑错误就明显属于事物的本身不能说明问题,事物的变化方能说明问题。

  2. 词与词之间的逻辑搭配关系

  这种题一般就属于难题了,它要求大家在考试的时侯要时刻保持清醒的头脑,注意正确的词与词之间的搭配关系。我们同样举几个例子:

  3.As a baby emerges from the darkness of the womb with a rudimentary sense of vision, it would be rated about 20/500, or legally blind if it were an adult with such vision.

  (A) As a baby emerges from the darkness of the womb with a rudimentary sense of vision, it would be rated about 20/500, or legally blind if it were an adult with such vision.

  (B) A baby emerges from the darkness of the womb with a rudimentary sense of vision that would be rated about 20/500, or legally blind as an adult.

  (C) As a baby emerges from the darkness of the womb, its rudimentary sense of vision would be rated about 20/500; qualifying it to be legally blind if an adult.

  (D) A baby emerges from the darkness of the womb with a rudimentary sense of vision that would be rated about 20/500; an adult with such vision would be deemed legally blind.(D)

  (E) As a baby emerges from the darkness of the womb, its rudimentary sense of vision, which would deemed legally blind for an adult, would be rated about 20/500.

  这道题目正确的逻辑表述是当一个婴儿出现于子宫的黑暗当中,婴儿有着最初等的视觉,这个视觉将会被评为20/500,而一个成年人有着这样的视力将会被认为合法的瞎。首先A选项是不对的,它里面有两个代词it,第一个很明显指代视力,而第二个则是指代婴儿,这就违背了在同一句话中相同的代词应该指代相同事物的原则,所以A不对。这里?代视力,是视力将会被评为20/500,这没有问题,但是很遗憾这个定语从句后面还引导了legally blind as an adult,它的逻辑主语也是that,这样就变成视力合法的瞎了,这个逻辑就是有问题的,我们只能说人瞎,视力是无法说它瞎的。同样我们只能说人聋,听力是无法说它聋的,因此B选项就属于词与词之间的逻辑搭配关系错误。答案应该选D选项,后半分句是一个成年人有着这样的视力将会被认为合法的瞎,消除了逻辑搭配不当和代词指代的错误。

  以上就是小编总结的GMAT考试逻辑部分的考试规律的介绍,掌握GMAT逻辑规律是答题的不二法门。考生们在日常的复习准备中要记得多去做题分析,分析更加重要,多了解一些这样的GMAT考试技巧往往能给我们的考试复习带来意想不到的收获,祝大家考试顺利。

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