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托福阅读推理题如何解题

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2018-06-25 13:46

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【 liuxue86.com - 托福阅读 】

  托福阅读推理题是托福阅读中最难的题型之一, 那么同学们要如何破解这一类的题型呢?接下来就和出国留学网来看看托福阅读推理题如何解题?

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  “infer”意为推断推理,题干中有出现infer,imply,indicate或suggest这四个单词,我们就判定这个题目为托福阅读infer题(推断题or推理题)。托福阅读infer题顾名思义就是考察考生对文章没有明说观点或想法的推理能力,你可以理解为是考察隐藏的事实信息。如果让所有考生投票选择托福阅读中最难的题型,大概莫过于推断题和文章摘要题了,而文章摘要题我们尚且可以依赖文章结构框架把握,托福阅读infer题则是真正让很多同学感到头痛。

  其实,任何题型的考察都是围绕着托福阅读文章本身来的,我们只要理清了托福阅读文章的“套路”和逻辑,完全可以根据作者的思路和风格去采取正向和逆向双重思维解决推断题。OG上将推断题定义为检查考生对文章中强烈建议但绝不明说观点(strongly implied but not explicitly stated in the text)的理解程度,属于理解性题目。一般来说,托福阅读infer题主要有以下三个解题步骤:

  1.判断题型。我们拿到题目,看到上面四个单词中的任何一个,心中就想着这是推断题,推断题的做题宗旨是文章强烈暗示,要通过文章内容进行合理推断。

  2.审清题干,原文定位。仔细阅读题干,弄清题干内容,推断方向,带着题干核心信息到文章中准确定位。

  3.推测+判断。根据相关句进行正向或逆向的推理,最后择优而选,确定答案。

  托福文章有很清晰的逻辑结构,每个自然段往往是按照TS(Topic Sentence)+SD (Supporting details)展开的,而文章多半是按Introduction + Aspects+Attitudes展开的。只有明白了文章的写作思路才能更好更快的做对题目,作者必定是按照一定的行文顺序编排段落的,如果画一个水平轴作为事件发展的顺序,推断题是让你从这个轴上的某一个点去推测,无非就两个方向,顺着轴发展的方向或者逆着轴发展的方向。具体来看,正向推断和事实信息题的做题方法一样,答案就是定位的句子的同义改写;逆向推断稍微复杂一点,大致分为时间和事物对比这两类。

  1)两类事物对比,往往文中会出现表示对比的关系词:by contrast, unlike, while, whereas, on the contrary, in comparison to, distinct from, different from等词。例如TPO 2中的The Origins of Cetaceans的第2题,让考生推测关于early sea otters的,回到原文中定位,会发现关键句中存在着一个unlike,说不像sea otters,想象一下早期鲸类比较困难(not easy = difficult),那我们逆推一下,不就是说想象早期sea otters长什么样比较容易,正确答案中出现了not difficult,所以这道题很简单。当然ETS不会一直都出这么简单的推断题,这里只是给大家一个答题的方向。

  Paragraph 4: These ideas remain controversial. Proponents point to features such as the terraced "beaches" shown in one image, which could conceivably have been left behind as a lake or ocean evaporated and the shoreline receded. But detractors maintain that the terraces could also have been created by geological activity, perhaps related to the geologic forces that depressed the Northern Hemisphere far below the level of the south, in which case they have nothing whatever to do with Martian water. Furthermore, Mars Global Surveyor data released in 2003 seem to indicate that the Martian surface contains too few carbonate rock layers-layers containing compounds of carbon and oxygen-that should have been formed in abundance in an ancient ocean. Their absence supports the picture of a cold, dry Mars that never experienced the extended mild period required to form lakes and oceans. However, more recent data imply that at least some parts of the planet did in fact experience long periods in the past during which liquid water existed on the surface.

  10. According to paragraph 4, what do the 2003 Global Surveyor data suggest about Mars?

  ○Ancient oceans on Mars contained only small amounts of carbon.

  ○The climate of Mars may not have been suitable for the formation of large bodies of water.

  ○Liquid water may have existed on some parts of Mars' surface for long periods of time.

  ○The ancient oceans that formed on Mars dried up during periods of cold, dry weather.

  解析:根据关键词我们定位到文段的中间部分:Mars Global Surveyor data released in 2003 seem to indicate that the Martian surface contains too few carbonate rock layers-layers containing compounds of carbon and oxygen-that should have been formed in abundance in an ancient ocean.

  这道题可以当做事实信息题去做,但注意不是原文的简单重复,suggest是原文中indicate的同义转换,我们只要找到what就好了,原文that后面是重点,出现了too few, should have,情感态度推测一下,持否定态度,也就说说形成 an ancient ocean不太可能,我们看选项,A中说Ancient oceans on Mars contained only small amounts of carbon.主客体与原文矛盾,排除;B选项The climate of Mars may not have been suitable for the formation of large bodies of water.说不适合形成大量的水,持否定态度,符合原文,保留;C选项Liquid water may have existed on some parts of Mars' surface for long periods of time.相关句中未提及,排除;D选项The ancient oceans that formed on Mars dried up during periods of cold, dry weather.说的是ancient oceans没有,而不是原来有后来干涸了,与原文不符,排除,所以正确答案为B。

  2)题干中出现表示时间的信息,比如:after 1932,since early years of the 19th century.例如TPO 20 Passage 1 Western Migration Q1:

  Paragraph 1: The story of the westward movement of population in the US is, in the main, the story of the expansion of American agriculture of the development of new areas for the raising of livestock and the cultivation of wheat, corn, tobacco, and cotton. After 1815, improved transportation enabled more and more western farmers to escape a self-sufficient way of life and enter a national market economy during periods when commodity prices were high, the rate of westward migration increased spectacularly.

  What can be inferred from paragraph 1 about western farmers prior to 1815?

  ○They had limited their crop production to wheat, corn, tobacco and cotton.

  ○They were able to sell their produce at high prices

  ○They had not been successful in raising cattle.

  ○They did not operate in a national market economy.

  题干中出现了两个信息,一个是western farmers,一个是prior to 1815,带着两条信息去文中定位,定位在第一段第四行,但是文章中没有提到1815年之前,只有1815年之后,答案其实很简单,只要把1815年之后的内容看懂了,并且在这个内容前面加not即可。举个简单的例子,“从现在起Jessica是个姑娘”,“请问你能推断出昨天Jessica怎么了么?”可能很多人想到“是不是Jessica做了变性手术?”,其实这就算过分推断了,答案就是Jessica昨天不是个姑娘。言归正题,文中说到,改善的交通使得越来越多的西部农民摆脱了自给自足的生活,并且进入了国家性的市场经济,那个时候货物的价格很多,所以向西迁移的速率也大幅增长。

  面对托福阅读infer题,我们要把握住文章的整体逻辑结构,根据具体情况去综合利用正向思维和逆向思维进行合理推断,同时注意千万不要过度推理。托福阅读infer题和其他任何托福题型的备考策略相似,不能光看攻略不做题,要通过有针对性的真题练习把这些技巧方法都融入到实际做题中,获得托福阅读能力与分数的同步提高。

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