托福阅读文章逻辑结构
托福考试一个很重要的方面就是考察学生的思维能力，即逻辑性，这点不但体现在独立口语、独立写作中，阅读也不外如是。而且很多时候，抓住了阅读文章字里行间的逻辑，就可以轻松排除错误选项，快速地选出正确答案。怎样才能抓住阅读中的逻辑呢?今天和大家分享这三大招!
托福阅读文章逻辑结构
第一招 把握大基调 所谓把握大基调，说白了，就是当作者在讨论一个东西的时候，要先明确褒贬喜恶，到底是在说它的好处还是劣势，这种基调尤其体现在对比之中。也就是以前语文老师常说的，把握中心思想!
第二招 抓准逻辑词 抓准逻辑词非常关键，它代表了行文结构的逻辑关系，这方面在句子简化题和修辞目的题上尤为重要。因为这两类题型的逻辑性很强，而选项中也会有明显的逻辑词，当抓住逻辑词后，就可以根据逻辑词轻松地排除明显错误的选项，提高做题速度和准确率。
第三招 理清文章脉络 总结题以及段落修辞目的题考察对整段话或整篇文章的理解，这就要求分析整段话或全篇的结构，这就要抓住各段落的topic sentence以及全篇的thesis statement。
综上所述，抓准托福阅读中的逻辑的技巧就是把握大基调，抓准逻辑词，理清行文脉络。掌握这些技巧，有助于理解文章，更加快速准确地选出答案。你学会了吗?
托福阅读高频推理题解题技巧
托福阅读考试题型中，推理题相对来说难度是比较大的。很多同学都会在这类题型上失分。今天我们就来讲讲这类题题型的解题技巧，帮助大家更好地来备考这类题目。
托福阅读推理题介绍
推断题就是所需要的信息都包含在文章中，但是没有直接加以说明，需要考生从已知中推出。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道推理题。
托福阅读推理题题型分类：有共性推理题和无共性推理题
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。
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 thedomains 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、托福阅读推理题解题注意要点
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。
总之，文中的关键词，观点，逻辑和平时的基本常识是解决这类问题的关键。
新托福阅读背景知识分享
托福阅读也是中国考生，公认的难度比较大的科目。如果大家能够攻克阅读难点，拿到阅读部分的高分，对于我们整体托福分数的提高，都有极大的优势。因此，下面为大家汇总了一些阅读的背景知识，帮助大家做好复习内容。
地球的旋转时间变短
We have been talking about some of the effects that the human beings had on the earth. One you may not be aware of is that we actually begin to change the length of the day. In the other way to say, one day is the amount of time the earth needs to spin completely around an axis, the imaginary line around the center of the earth, from the north to the south. And of course there are a lot of physical causes that can affect the speed of the earth’s rotation, but there was only one that is direct result of the human activity. Since 1950, human beings have built about ten thousand artificial reservoirs all over the world. These reservoirs have redistributed tremendous amount of the earth water. When they are used to be in the area near the equator, the imaginary line surround the middle of the earth, it’s now the reservoirs in the areas of different latitudes. The latitude matters because, well, thinking the earth and axis, the equator contains the areas on the earth that are the farthest away from axis. So water has been redistributed from the equator regions, then wherever the water is, to it’s close to the earth axis. It’s like when ice skaters perform spins when those skaters put their arms enclose to their bodies, they spin faster. So the earth is spinning faster because the reservoirs have redistributed the water close to its axis. And because the earth was spinning faster, since 1950 the length of day has decreased by about 8 millionths of second. I know that doesn’t sound like much but significant in that this is the first time that human beings ever had measurable affect on the earth’s motion.
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★ 托福阅读考试技巧