推理题作犯难度较高简单出错的题型 ,我整理了一些应对推理题的小攻略，下面我就和大家共享，来观赏一下吧。
托福阅读攻略：推理题
推理“度”的把握
TPO的做题阅历告知我们，推理题的答案既要防止“推理过度”，又要当心“推理不足”，这个度拿捏不好，推理题的正确率就不高。 我们可以把它的题目分为两类。一类是“题干定位型”，一类是“选项定位型”。 题干定位题，顾名思义，就是通过题目中的词可以定位到原文中答案所在的位置从而选出答案;而选项定位型则是指无法通过题目来定位的状况，比如说：题目问What can be inferred about stingless bees ?而原文中整段都在讲stingless bees，就没有方法去详细定位，
这个时候就可以利用选项去定位原文。
反向推理
今日我们来介绍一种解题方法——反向推理。
在学术写作中，当我们将事物根据某种标准进行分类后，分类的内容既不重合也不丢失。比如我们把A分成X和Y,X和Y之间没有重合的部分，同时X和Y合并构成A,也不会丢失A的某一部分。这样一来，当我们知道X所具有某一个特性，就能推出Y不具有这样的特性，这就是反向推理。 TPO例题
食用菌罐头 A symbiotic relationship is an interaction between two or more species in which one species lives in or on another species. There are three main types of symbiotic relationships: parasitism, commensalism, and mutualism. The first and the third can be key factors in the structure of a biological community; that is, all the populations of organisms living together and potentially interacting in a particular area.
Which of the following statements about commensalism can be inferred from paragraph 1?
A.It excludes interactions between more than two species.
B.It makes it less likely for species within a community, to survive.
C.Its significance to the organization of biological communities is small.
D.Its role in the structure of biological populations is a disruptive one.
题目解析
依据题干的commensalism, 可以到定位区间There are three main types of symbiotic relationships: parasitism, commensalism, and mutualism. The first and the third can be key factors in the structure of a biological community。第一句话排列了三种关系，其次句话强调了第一种和第三种是key factor，那么没有提到的其次种--也就是题干所问的这一种，反推可知commensalism不是key factor。所以答案就是C, its significance is small.C选
项只是对于我们推出的commensalism不是key factor进行了同意改写，同学们要擦亮慧眼哦。
超级干货|托福阅读推理题攻略
首先看一下官方OG的解说These questions measure your ability to comprehend an argument or an idea that is strongly implied but NOT explicitly stated in the text.
所以，推断题指文中包含推断所需信息，剧烈示意，但未直接陈述出来，需要考生： 女法官陈玉莹
• 从已知到未知
• 从客观到主观
甬台温铁路 • 从原文迈出一步
推理题题型辨别：题干中常用词：infer，imply，suggest，probably，most likely
least likely
试卷中所占比重：每篇0到3题，共3到5题。
常用题型表达：
• What can be inferred about hurricane?
• It/what can be inferred from
Interval • Which of the following can be inferred…
• What probably occurred……
推理题的出题思路可以分为：有共性的推理题和无共性的推理题。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) 如：
2. What can be inferred about whales from paragraph 1?
○They are considered by some to be reptiles.
○Their bodies are built in a way that helps them manage extremely cold temperatures.
○They are distantly related to leatherback turtles.
○They can swim farther than leatherback turtles.
无共性的推理题，也就是题干中无线索如Which of the following can be inferred?我们无法用题目核心词确定目标句。
从解题思路来说，可以分为逆向推理和正向推理
逆向推理一般应用在形成对比的事物或者时间段
依据两个事物的对比特征出题，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：
What can be inferred about early sea otters?
A. It is not difficult to imagine what they looked like.
B. There were great numbers of them.
C. They lived in the sea only.
D. They did not leave many fossil remains.
据题干中的early sea otters 确定的原文目标句Their streamlined bodies, the absence of 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 whales looked like.目标句告知我们的是early sea otters和first whales不像，所以我们可以把first whales的特点反过来就是答案了。所以本题选择A。
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