托福阅读文章出处是哪里呢
想要进行托福考试的同学都知道托福考试成绩对于决定自己能否成功申请上心仪的院校有十分很重要的作用。那么在备考托福考试的过程中，阅读考试的文章篇幅长，对于很多同学来说还是一个不小的挑战，以致很多同学其实不是很适应备考阅读考试，那么学习啦小编今天就带大家了解托福考试的阅读部分的出处，帮助大家更好地了解托福考试的阅读部分。
托福阅读文章出处是哪里呢
一、托福评分标准
托福阅读部分的考试满分30分，对于大家而言24分是一个比较高分的成绩了，那么想要拿到24分的话，托福阅读又能错多少呢?以下有这些分析，托福阅读有三篇文章，总共42道题。除每篇文末尾一题每题2分之外，其他题目都是每题一分。也就是说托福阅读的原始分是45分。原始分与结果成绩有个对应关系。根据分数对应关系，托福阅读如果想要拿到24分，原始分就要38分，想要38分的原始分，有以下几个情况，一是两分题都做对了的话，原始分39分基础题可错6道题，二是两分题都做错的情况下，已经扣6分，原始分得分为38分，在这种情况下托福阅读24分只能错3道大题，基础题一道都不能错。三是比较复杂了，如果其中一道题选错一个选项即扣一分，而其他两道题没错，那么错五个基础题就能拿到托福阅读24分;如果错两个选项扣两分，其他两道题没错，那么错四个基础题也能拿到托福阅读24分了。
二、选材出处
托福考试的阅读文章选材范围及其广泛，涉及有自然科学包括：天文学、地质学、生物学、气象学等;人文科学包括：艺术美学、考古学、语言学、文学等;社会科学包括：人类学、政治学、经济学、教育学、等交叉学科。
大家可以多关注一下报纸《纽约时报》、《纽约客》、《卫报》、《泰晤士报》、《每日快报》、《世界新闻报》，同时还有英语的主要期刊《国家地理》、《经济学家》、《旁观者》、《新政治家》、《高等教育纪事报》以及周刊《侦探》、《听众》、《科学美国人》、《发现》、《自然》等。这些都是备考托福考试阅读的好题材出处。
托福阅读推理题的解析
推理题的题干中常出现infer, imply , most likely (least likely) 或probably 等词语。根据OG， 在IBT 阅读的3篇文章中，每篇会有0-2道这类问题，一次考试总共有3-4道推断题。
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 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 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 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。
托福阅读句意解释题
这类型题目的题干表达为：Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information.
解决这类题目的三种方法：
第一种：在保持原句序基本不变的前提下进行重点词汇或者词组的同义替换;
第二种：在句序不变的前提下再进行重点词汇或者词组的同义替换;
第三种：对原句进行总结性重复。
下面我们通过一个例子来看这些方法的具体应用：
Small marketers should be less concerned with whether U.S. and European consumers are alike and more concerned with monitoring the variety of factors that account for potential similarities and differences. Attention to the dynamic nature of those factors will produce opportunities for the alert marketer.
Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information.
A marketer who is not so smart should be more concerned with the difference of eating habits between U.S. and European consumers and less concerned with monitoring the variety of factors that account for potential similarities and differences.
It is not important whether U.S. and European consumers have a similar eating habit. I t is the potential similarities and differences that people should be more concerned with.
Marketers should focus on the factors that account for difference rather than the difference themselves.
Monitoring the variety of foods could explain the potential similarities and differences.
解题：
首先，我们来分析这个句子，整个主句的主语为Small marketers，谓语为be concerned with，宾语为factors，这个分析完成之后，我们采用同意替换的方法，替换其中的重点词组-谓语be concerned with，其同义词为focus on。这样替换完之后把两个句子的意思进行比较，得出正确答案C。这道题目采用了第一种方法。
托福阅读如何应对文章难句
NO8-1，我们从“词--句--篇章”来谈谈这篇文章。
原文：
Geologists have long known that the Earth's mantle is heterogeneous, but its spatial arrangement remains unresolved—is the mantle essentially layered or irregularly heterogeneous? The best evidence for the layered-mantle thesis is the well-established fact that volcanic rocks found on oceanic islands, islands believed to result from mantle plumes arising from the lower mantle,are composed of material fundamentally different from that of the midocean ridge system, whose source, most geologists contend, is the upper mantle.Some geologists, however, on the basis of observations concerning mantle xenoliths, argue that the mantle is not layered, but that heterogeneity is created by fluids rich in "incompatible elements" (elements tending toward liquid rather than solid state) percolating upward and transforming portions of the upper mantle irregularly, according to the vagaries of the fluids' pathways. We believe, perhaps unimaginatively, that this debate can be resolved through further study, and that the underexplored midocean ridge system is the key.
一、难词
spatial: a.1.空间的，太空的;2.存在(或者发生)于宇宙空间的
plume: n.1.羽状物2.柱，地柱
xenolith:俘虏岩
percolate:v.1.渗透2.扩散到，弥漫于
portions: n.一部分
二、难句
1.the best evidence for the layered-mantle thesis is the well-established fact that volcanic rocks found on oceanic islands，islands believed to result from mantle plumes arising from the lower mantle，are composed of material fundamentally different from that of the mid-ocean ridge system， whose source，most geologists contend，is the upper mantle.
对于地幔分层论点来说，最好的证据乃这样一个确认的事实，即在那些海洋岛屿——这些岛屿据信是源于由下层地幔升上来的地幔柱状溶岩流(mantle plume)——上发现的火山岩石，是由与海洋中部山脊系统的物质根本不同的物质构成的，而这一海洋中部山脊系统的成因，大多数地质学家论辩道，为上部地幔。
难句类型：复杂修饰、插入语
解释：本句前面的主干并不算难，即the evidence is the fact that,难就难在fact之后说明fact 的同位语从句。此从句中既有大段插入语，又有从句，较为难读。同位语从句的主语是volcanic rocks，主语后面的found on oceanic islands是分词修饰volcanic rocks的;islands后面又有一个说明islands的同位语islands believed to result from mantle plumes arising from the lower mantle,此同位语实际起到一个分隔主谓的同位语的作用。其后是谓语动词are composed/of fundamentally different from that of the midocean ridge system, whose source, most geologists contend, is the upper mantle。
句中有一些专有词汇。如果抛开文章不说，单看这一个句子，则句首的layered mantle thesis就难以理解。但是如果读者能够读懂句子的大致意思，看到layered mantle thesisr最有力证据就是其材料fundamentally different from… the upper mantle,这应该可以推测出，既然不同于上层地幔，则这个理论一定是在说地幔有不同的层面。
2. some geologists，however，on the basis of observations concerning mantle xenoliths， argue that the mantle is not layered，but that heterogeneity is created by fluids rich in "incompatible elements" (elements tending toward liquid rather than solid state)percolating upward and transforming portions of the upper mantle irregularly，according to the vagaries of the fluids’ pathways. (4+)
但是，某些地质学家，以对地幔捕虏岩体(xenolith)所作的观察为依据，指出地幔并非是分层排列的，相反，地幔的异质性是由那些富含“不相容成分”的流质构成的，这些成分趋向于流体而非固体的状态，自下而上渗透扩散，并依照这些流质流向的任意性，不规则地将上部地幔的某些部分予以改变。
难句类型：复杂修饰、插入语
解释：本句的主句中有一个长插入语however,on the basis of observations concerning mantle xenoliths,割裂了主谓，但句子的主要难度还是在that引导的宾语从句中，从句中有由but 所连接的两个句子，一起延续到句末。首选是rich in incompatible elements修饰fluids;后面又有一个同位语和一个分词结构，都是修饰incompatible elements的，最后还有一个状语来修饰那个分词结构，层层修饰，比较复杂。
三、文章结构
Ts是文章的第一句，因此这一篇短文章是结论解释型。文章开始说出了地幔是heterogeneous,然后又指出了他的spatial arrangement remains unresolved,然后提出了两种理论，一是layyered-mantle thesis,另外一个是irregularly heterogeneous.然后分别对这两种理论进行describe.最后作者指出，We believe,perhaps unimaginatively, that this debate can be resolved through further study, and that the underexplored midocean ridge system is the key.
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