托福阅读推理题的分析.doc

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1、托福阅读推理题的分析 为了帮助大家阅读能拿高分,为大家带来了做托福阅读推理题的攻略,下面就和大家分享,来欣赏一下吧。托福阅读推理题的分析一、推理题的两大分类:有共性的推理题和无共性的推理题。这里所谓的有共性推理题就是说题干中有和原文内容相同的关键词(也叫线索)。根据关键词回原文定位,然后进行推理。一般来说,大多数的推理题都属于这类题目。对于无共性的推理题,也就是题干中无线索,一般使用排除法,即根据各个选项的关键词回原文定位,通过排除法得出正确答案。返回原文找信息点,采用排除法是解决这两类题型解决的共同策略。二、推理题的三个具体的解题思路:1、一般对比推理:根据两个事情的对比特征,问其中一个事物

2、的特征,只要将与之形成对比的另外一个事情的特征否定掉就可以。2、时间对比推理:在这种推理中,一般有两个形成对比的时间段,它们所具有的特征一般相反。当题干问一个时间段的特征时,只要将与之相反的时间段的特征否定掉就可以了。3、集合概念推理 :一个大的集合的两个方面形成对比,两者之间存在着互补性关系,也就是一个的增加意味着另一个的减少。反之,相同。这个比较抽象,我们来看一个例子:例如:Both the number and the percentage of people in the United States involved in nonagricultural pursuits expand

3、ed rapidly during the half century following the civil war, with some of the most dramatic increases occurring in the domains of transportation, manufacturing, and trade and distribution.What can be inferred from the passage about the agricultural sector of the economy after the Civil War?(A) New te

4、chnological developments had little effect on farmers.(B) The percentage of the total population working in agriculture declined.(C) Many farms destroyed in the war were rebuilt after the war.(D) Farmers achieved new prosperity because of better rural transportation.文中指出:非农业人口的数量和比例都增加了。由此可知农业人口的数量和

5、比例下降,所以(B)为正确答案。三、解答这类题目需要注意的信息点:1.日期和数字。2.关键词: 表示多少的副词: many , some, much of, several , a few ,most ;情态动词:may, can , could;表示过去的:used to be , was, were , at one time, previously ;表示不是唯一的: not only ,not exclusively等。托福阅读推理题深度解析推理题的标志是在题干中出现infer/imply/suggest/indicate/most likely 这样的词汇,它和细节题属于同源题目,都

6、需要定位并且根据文中信息来选择答案。与细节题不同的是,推理题在找到原文中定位点之后考察的是学生对于文中信息的总结概括,或者反向推理的能力。推理题的两大分类:有共性的推理题和无共性的推理题。这里所谓的有共性推理题就是说题干中有和原文内容相同的关键词(也叫线索)。根据关键词回原文定位,然后进行推理。一般来说,大多数的推理题都属于这类题目。对于无共性的推理题,也就是题干中无线索,一般使用排除法,即根据各个选项的关键词回原文定位,通过排除法得出正确答案。返回原文找信息点,采用排除法是解决这两类题型解决的共同策略。推理题大概有三个解题思路:一般对比推理、时间对比推理、集合概念推理。一般对比推理:根据两个

7、事情的对比特征,问其中一个事物的特征,只要将与之形成对比的另外一个事情的特征否定掉就可以。时间对比推理:在这种推理中,一般有两个形成对比的时间段,它们所具有的特征一般相反。当题干问一个时间段的特征时,只要将与之相反的时间段的特征否定掉就可以了。集合概念推理 :一个大的集合的两个方面形成对比,两者之间存在着互补性关系,也就是一个的增加意味着另一个的减少。反之,相同。在这里我们先来看一个例子:Passage:The nineteenth century brought with it a burst of new discoveries and inventions that revolution

8、ized the candle industry and made lighting available to all. In the early-to-mid-nineteenth century, a process was developed to refine tallow (fat from animals) with alkali and sulfuric acid. The result was a product called stearin. Stearin is harder and burns longer than unrefined tallow. This brea

9、kthrough meant that it was possible to make tallow candles that would not produce the usual smoke and rancid odor. Stearins were also derived from palm oils, so vegetable waxes as well as animal fats could be used to make candles.Which of the following can be inferred from paragraph 1 about candles

10、before the nineteenth century?a.They did not smoke when they were burned.b.They produced a pleasant odor as they burned.c.They were not available to all.d.They contained sulfuric acid.正确答案是C.这一段的第一句就告诉我们:19世纪的一些新发明和发现也对蜡烛工业产生了一次巨大的革命,这次革命使得所有的人都使用上了照明。从这句话中我们可以得到两层信息:19世纪蜡烛工业有了一次革命性的变化;在没有这次变革之前,也就是

11、在19世纪以前,照明并不是所有人都能使用的。因为作者在谈论的是蜡烛的变革,所以这里所说的“lighting照明”一定是与蜡烛有关的照明,其实也就是告诉我们19世纪以前并不是所有人都能够使用到蜡烛带来的照明,这一推论出的信息正好与选项C吻合。*第一句同时也是一个时间的分水岭,告诉我们19世纪蜡烛工业的变革是怎么样的。“在19世纪早期到中期,蜡烛处理工艺使用alkali 和 sulfuric acid 来提炼 tallow,提炼后的产品就是 stearin,stearin 比未经提炼的tallow坚硬而且燃烧得更久。这一巨大的变化意味着制造出不产生烟和rancid味道的蜡烛是可能的。”在这里的一个

12、关键词是 rancid,意思是(油脂食物,其味道、气味)不新鲜的;腐臭的;正好与选项b的pleasant odor相反。19世纪前的蜡烛产生usualsmoke(经常有烟),这与选项a相反。Sulfuric acid是19世纪用来处理fallow的材料,在19世纪以前是没有使用的,这与选项d相反。解答这类题目时要注意这些关键信息点:日期和数字、关键词: 表示多少的副词: many , some, much of, several , a few ,most ;情态动词:may, can , could;表示过去的:used to be , was, were , at one time, pr

13、eviously ;表示不是唯一的: not only ,not exclusively等。在此,我们再来看一道例题:It should be obvious that cetaceans-whales , porpoises, and dolphins-are mammals. They breathe through lungs, not through gills, and give birth to live young. Their streamlined bodies, the absence of hind legs, and the presence of a fluke3 a

14、nd blowhole4 cannot disguise their affinities with land-dwelling mammals. However, unlike the cases of sea otters and pinnipeds (seals, sea lions, and walruses, whose limbs are functional both on land and at sea), it is not easy to envision what the first whales looked like. Extinct but, already ful

15、ly marine cetaceans are known from the fossil record. How was the gap between a walking mammal and a swimming whale bridged? Missing until recently were fossils clearly intermediate, or transitional, between land mammals and cetaceans.Which of the following can be inferred from paragraph 1 about ear

16、ly sea otters?a. It is not difficult to imagine what they looked likeb.There were great numbers of them.c. They lived in the sea only.d.They did not leave many fossil remains.首先我们来对题目的出题范围进行定位,题干的blowhole可以作为定位词汇,定位到原文的第四句话:“However, unlike the cases of sea otters and pinnipeds (seals, sea lions, an

17、d walruses, whose limbs are functional both on land and at sea), it is not easy to envision what the first whales looked like.” 在这句话里交代了“unlike the casess of sea otters”,即与sea otters 不一样的是,whales 的陈述是:it is not easy to envision what the first whales looked like. 即,不容易看出第一头鲸长什么样子。而sea ottter 是和鲸鱼相反,所

18、以选择A选项,即不难看出第一头sea otter 长什么样子。所以实际上,这种题目虽然叫做推理题,但是并不需要同学们在做题的时候推的过远,基本考察的还是对原文信息概括和总结的能力。备考托福阅读推理题分析一、推理题的标志推理题的题干中一般含有infer, imply, most likely, least likely, probably等词,分为有共性的推理题和无共性的推理题两大类。二、推理题的做法对于无共性的推理题,也就是题干中无线索的,一般使用排除法,即根据各个选项的关键词回原文定位,通过排除法得出正确答案。对于有共性的推理题,也就是题干中有线索的,可以先圈定题干中的关键词,根据关键词回原

19、文定位,然后进行推理。推理题主要有下列思路:1.一般对比推理ETS设计推理题的手段不多,根据两个事物的对比特征出题是其中之一。问其中一个事物的特征时,只要将与之形成对比的另一个事物的特征否定掉就可以了。例如:It should be obvious that cetaceanswhales, porpoises, and dolphinsare mammals. They breathe through lungs, not through gills, and give birth to live young. Their streamlined bodies, the absence of

20、 hind legs, and the presence of a fluke and blowhole cannot disguise their affinities with land-dwelling mammals. However, unlike the cases of sea otters and pinnipeds (seals, sea lions, and walruses whose limbs are functional both on land and at sea), it is not easy to envision what the first whale

21、s looked like.2. Which of the following can be inferred from paragraph 1 about early sea otters?61;It is not difficult to imagine what they looked like.61;There were great numbers of them.61;They lived in the sea only.61;They did not leave many fossil remains.根据关键词sea otters定位第四句:However, unlike the

22、 cases of sea otters and pinnipeds,由原文的unlike可知sea otters和pinnipeds两种动物与whales形成对比,而且很难想象原始的whales的样子;根据“一般对比推理”思路,可以推出“原始的sea otters的样子不难想象”。第一个选项表达了此意,为正确答案。2.时间对比推理这种思路常被考到。在这种推理中,一般有两个形成对比的时间段,它们所具有的特征一般相反。当题干问一个时间段的特征时,只要将与之相反的时间段的特征否定掉就可以了。例一:Basic to any understanding of Canada in the 20 year

23、s after the Second World War is the countrys impressive population growth.It appeared that Canada was once more falling in step with the trend toward smaller families that had occurred all through the Western world since the time of the Industrial Revolution.It can be inferred from the passage that

24、before the Industrial Revolution(A)families were larger.(B)population statistics were unreliable.(C)the population grew steadily.(D)economic conditions were bad.工业革命之后与工业革命之前两个时间形成对比。既然工业革命之后西方世界的家庭变小了,那么工业革命之前的家庭一定比较大。因此(A)为正确答案。例二:Accustomed though we are to speaking of the films made before 1927

25、as “silent”, the film has never been, in the full sense of the word, silent. From the very beginning, music was regarded as an indispensable accompaniment; when the Lumiere films were shown at the first public film exhibition in the United States in February 1896, they were accompanied by piano impr

26、ovisations on popular tunes. At first, the music played bore no special relationship to the films; an accompaniment of any kind was sufficient. Within a very short time, however, the incongruity of playing lively music to a solemn film became apparent, and film pianists began to take some care in ma

27、tching their pieces to the mood of the film.What can be inferred from the passage about the majority of films made after 1927?(A) They were truly “silent.”(B) They were accompanied by symphonic orchestras.(C) They incorporated the sound of the actors voices.(D) They corresponded to specific musical

28、compositions.1927年前后形成对比。既然1927年以前的电影只有音乐而没有配音,那么1927年之后的电影一定有。所以(C)为正确答案。例三:“The nineteenth century brought with it a burst of new discoveries and inventions that revolutionized the candle industry and made lighting available to all. In the early-to-mid-nineteenth century, a process was developed t

29、o refine tallow (fat from animals )with alkali and sulfuric acid. The result was a product called stearin. Stearin is harder and burns longer than unrefined tallow. This breakthrough meant that it was possible to make tallow candles that would not produce the usual smoke and rancid odor. Stearins we

30、re also derived from palm oils, so vegetable waxes as well as animal fats could be used to make candles ”Which of the following can be inferred from paragraph 1 about candles before the nineteenth century?61;They did not smoke when they were burned.61;They produced a pleasant odor as they burned.61;

31、They were not available to all.61;They contained sulfuric acid.问题:关于19世纪以前的蜡烛,从第一段可以推出下列哪一点?这道题的题干中有“19世纪以前”这一时间,由此可见它属于“时间对比推理”思路。原文首句指出:“19世纪带来了大量新发现和发明,使蜡烛业发生了革命性的变化,所有人都能用蜡烛照明。” 根据“时间对比推理”思路,由于19世纪以前的情况与19世纪形成对比,而19世纪所有人能用蜡烛照明,那么在19世纪之前,并非所有人都能用上蜡烛。第三个选项 “They were not available to all”表达了这一意思,为

32、正确答案。3.集合概念推理集合概念推理也可以称之为百分比推断,它指的是在一个集合中,包含两个相对的方面,共同构成一个大的集合。一方所占的比例减少意味着另一方所占比例的增加;反之,一方所占的比例增加意味着另一方所占比例的减少。根据这一思路,可以由集合中一方的数量变化推断另一方的消减。例一:A folk culture is small, isolated, cohesive, conservative, nearly self-sufficient group that is homogeneous in custom and race, with a strong family or clan

33、 structure and highly developed rituals. Unaltered folk cultures no longer exist in industrialized countries such as the United States and Canada.By contrast, a popular culture is a large heterogeneous group, often highly individualistic and constantly changing.22.What does the author imply about th

34、e United States and Canada?(A) They value folk cultures.(B) They have no social classes.(C) They have popular cultures.(D) They do not value individualism.原文谈到folk culture 和popular culture两种文化,它们之间形成对比。既然美国和加拿大不再存在folk culture,那么它们就有popular culture。因此(C)为正确答案。例二:Both the number and the percentage of

35、 people in the United States involved in nonagricultural pursuits expanded rapidly during the half century following the civil war, with some of the most dramatic increases occurring in the domains of transportation, manufacturing, and trade and distribution.What can be inferred from the passage abo

36、ut the agricultural sector of the economy after the Civil War?(A) New technological developments had little effect on farmers.(B) The percentage of the total population working in agriculture declined.(C) Many farms destroyed in the war were rebuilt after the war.(D) Farmers achieved new prosperity

37、because of better rural transportation.托福阅读推理题超强分析TOEFL阅读中的推理题就是题目需要的信息都隐藏在*中,但是没有直接表露出来,需要考生自己从表面内容中推理出。因此,我们在做TOEFL阅读推理题的时候不能错过每一个信息点,因为这些可能都是最后答案的重要凭证。推理题的题干中常出现infer, imply , most likely (least likely) 或probably 等词语。一、推理题的两大分类:有共性的推理题和无共性的推理题。这里所谓的有共性推理题就是说题干中有和原文内容相同的关键词(也叫线索)。根据关键词回原文定位,然后进行推理

38、。一般来说,大多数的推理题都属于这类题目。对于无共性的推理题,也就是题干中无线索,一般使用排除法,即根据各个选项的关键词回原文定位,通过排除法得出正确答案。返回原文找信息点,采用排除法是解决这两类题型解决的共同策略。二、推理题的三个具体的解题思路:1、一般对比推理:根据两个事情的对比特征,问其中一个事物的特征,只要将与之形成对比的另外一个事情的特征否定掉就可以。2、时间对比推理:在这种推理中,一般有两个形成对比的时间段,它们所具有的特征一般相反。当题干问一个时间段的特征时,只要将与之相反的时间段的特征否定掉就可以了。3、集合概念推理 :一个大的集合的两个方面形成对比,两者之间存在着互补性关系,

39、也就是一个的增加意味着另一个的减少。反之,相同。这个比较抽象,我们来看一个例子:例如:Both the number and the percentage of people in the United States involved in nonagricultural pursuits expanded rapidly during the half century following the civil war, with some of the most dramatic increases occurring in the domains of transportation, man

40、ufacturing, and trade and distribution.What can be inferred from the passage about the agricultural sector of the economy after the Civil War?(A) New technological developments had little effect on farmers.(B) The percentage of the total population working in agriculture declined.(C) Many farms dest

41、royed in the war were rebuilt after the war.(D) Farmers achieved new prosperity because of better rural transportation.文中指出:非农业人口的数量和比例都增加了。由此可知农业人口的数量和比例下降,所以(B)为正确答案。三、解答这类题目需要注意的信息点:1.日期和数字。2.关键词: 表示多少的副词: many , some, much of, several , a few ,most ;情态动词:may, can , could;表示过去的:used to be , was, were , at one time, previously ;表示不是唯一的: not only ,not exclusively等。

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