托福阅读推断题解题技巧。托福阅读考试中有一种题型是推断题，要想拿到这部分的分数我们需要掌握一些托福推断题的答题技巧，了解了题规律才能事半功倍，降低出错率。下面先来了解一下推断题的出题方式：
推断题的提问方式如下：
Which of the following can be inferred about X?
The author of the passage implies that X…
What does paragraph 1 suggest about X…
推断题考查的重点是：准确理解文意的基础上+进一步推理。
推理的常用方法有两种，即对比反推（找对比点）和顺承推断（没有对比点时，就根据对文意的更深一层理解来推断）。
例： When the well reaches a pool, oil usually rises up the well because of its density difference with water beneath it or because of the pressure of expanding gas trapped above it. Although this rise of oil is almost always carefully controlled today, spouts of oil, or gushers, were common in the past. Gas pressure gradually dies out, and oil is pumped from the well. Water or steam may be pumped down adjacent wells to help push the oil out. At a refinery, the crude oil from underground is separated into natural gas, gasoline, kerosene, and various oils. Petrochemicals such as dyes, fertilizer, and plastic are also manufactured from the petroleum.
1. Which of the following can be inferred from paragraph 3 about gushers?
They make bringing the oil to the surface easier.
They signal the presence of huge oil reserves.
They waste more oil than they collect.
They are unlikely to occur nowadays.
我们用gushers定位到原文Although this rise of oil is almost always carefully controlled today, spouts of oil, or gushers, were common in the past. Gas pressure gradually dies out, and oil is pumped from the well。找到了today和in the past的对比。时间点的对比：过去和现在。过去普遍，那现在也就不普遍了。这就是对比反推。
例：Paragraph 1: There is evidence of agriculture in Africa prior to 3000 B.C. It may have developed independently, but many scholars believe that the spread of agriculture and iron throughout Africa linked it to the major centers of the Near East and Mediterranean world. The drying up of what is now the Sahara desert had pushed many peoples to the south into sub-Sahara Africa. These peoples settled at first in scattered hunting-and-gathering bands, although in some places near lakes and rivers, people who fished, with a more secure food supply, lived in larger population concentrations. Agriculture seems to have reached these people from the Near East, since the first domesticated crops were millets and sorghums whose origins are not African but west Asian. Once the idea of planting diffused, Africans began to develop their own crops, such as certain varieties of rice, and they demonstrated a continued receptiveness to new imports. The proposed areas of the domestication of African crops lie in a band that extends from Ethiopia across southern Sudan to West Africa. Subsequently, other crops, such as bananas, were introduced from Southeast Asia.
In paragraph 1, what does the author imply about changes in the African environment during this time period?
The climate was becoming milder, allowing for a greater variety of crops to be grown.
Although periods of drying forced people south, they returned once their food supply was secure.
Population growth along rivers and lakes was dramatically decreasing the availability of fish.
A region that had once supported many people was becoming a desert where few could survive.
我们用African environment去原文中定位，没有直接找到。但是出现了The drying up of what is now the Sahara，这就是环境变化，所以这一句就是定位句——The drying up of what is now the Sahara desert had pushed many peoples to the south into sub-Sahara Africa. 因为没有对比点，所以使用顺承推断。撒哈拉沙漠变干+人们迁往其它地方，就可以推断出撒哈拉沙漠不适合人居住了。
以上两种方法就是托福阅读推断题解题技巧，要掌握这两种方法平时要注重多练习。最后小编祝您考试愉快。
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