托福阅读可以修改答案吗

托福阅读可以修改答案吗

托福阅读是有时间要求的。阅读时间为1个小时，没次阅读三篇文章。每篇文章700个字左右，每篇文章大概有14道题目。比如说：你在回答后面文章第12道题的时候，发现你前面第3道题写错了，可以返回更改答案的。

托福阅读考试猜题技巧

托福阅读考试中如果遇到一些难题或者比较消耗时间的题目，比较合理的做法并非硬着头皮做题，而是快速猜个答案继续做后面的题目，这就需要用到猜题技巧。如何才能在提升解题速度的同时保证猜题的正确率?用好猜题技巧有哪些注意要点?

托福阅读为什么需要猜题?

托福阅读之所以需要猜题，是因为猜题能够帮助考生解决许多问题，其中主要的就是因为时间不足而引发的一系列影响考生发挥的连锁反应。时间不足不仅会打乱考生的答题节奏，因为难题不会做而耗费时间同时也会对大家造成巨大的心理压力，甚至影响到考生在阅读之后其它考试部分的发挥。而合理猜题不仅能缓解时间压力，让大家有更多时间应对其它题目做完所有阅读题，本身也能保证一定的正确率让考生不用太挂心猜的题目，从心理上稳定大家的考试心态。因此，在托福阅读中合理地运用猜题技巧对考生来说是利远大于弊的。

托福阅读哪些题目要猜题?

那么，托福阅读中哪些题目需要用到猜题技巧呢?比如大家都很熟悉的每篇阅读最后基本都会出现的6选3小结题就可以用猜题的方式来应对。这类题目往往会问到整篇文章中的各个段落细节的相关内容，正常做题时考生往往需要逐一去核对寻找选项内容才能解答，这类题目做起来不仅费时也费力，因此在考试时间比较紧张的情况下通过猜题的方式来较为快速的解决才是比较符合得分效率的应对方法。

托福阅读中如何使用猜题技巧?

1. 结合背景知识猜题

大家都知道，托福阅读考试涉及到的学科内容主题是比较广泛的，许多同学为了能够更快地看懂理解阅读文章都会在备考中提前补充一些各方面的常识性基础知识。举例来说，如果一篇阅读文章讲到了一个文学概念或者是某个作家的生平事迹，那么考生如果之前已经了解过这方面的信息，在做题过程中面对一些题目就可以通过积累的背景知识来进行合理猜题，一些明显不符合大家对这个文学概念或者作家认知的选项就可以直接排除掉了。这样一来即使考生没有返回原文进行详细寻找参考，也可以比较有效地快速缩小选择范围提升猜题正确率。

2. 通过整体理解猜

现在阅读考生中很多同学采取的解题方式都是边看文章边做题，这种方法依托于托福阅读出题都是按照文章段落顺序出题的机制，可以说是非常有效率的阅读解题两不误的方法。而通过这种方法做题，考生在面对一些出现顺序考后的题目比如之前说过的小结题或者是结构题时其实对文章已经有了一定的整体认识和理解，在这种前提下大家完全可以做到不再回原文定位查找，直接凭借之前阅读印象就能对选项进行分辨排除。这也是一种比较有效且能够保证正确率的猜题方式。

3. 核心技巧是先排除再猜题

当然，无论是怎么猜题，猜题的核心技巧就在于先排除再猜题。如果考生没有对题目有过任何了解，那么猜题其实就等于是在瞎猜，而先完成审题步骤，仔细读完了题目和所有选项，把一些明显存在问题的选项先行筛选排除掉，之后再剩余选项中猜测正确答案，这样的做法才能称得上是猜题技巧，想要在猜题的同时保证正确率的目标也才能真正达成。

托福阅读真题练习

托福阅读真题练习：美国农业的文本+题目+答案

托福阅读文本：

During the second half of the nineteenth century, the production of food and feed crops in the United States rose at an extraordinarily rapid rate. Corn production increased by four and a half times, hay by five times, oats and wheat by seven times. The most crucial factor behind this phenomenal upsurge in productivity was the widespread adoption of labor-saving machinery by northern farmers. By 1850 horse-drawn reaping machines that cut grain were being introduced into the major grain-growing regions of the country. Horse-powered threshing machines to separate the seeds from the plants were already in general use. However, it was the onset of the Civil War in 1861 that provided the great stimulus for the mechanization of northern agriculture.

With much of the labor force inducted into the army and with grain prices on the rise, northern farmers rushed to avail themselves of the new labor-saving equipment. In 1860 there were approximately 80,000 reapers in the country; five years later there were 350,000.

After the close of the war in 1865, machinery became ever more important in northern agriculture, and improved equipment was continually introduced. By 1880 a self-binding reaper had been perfected that not only cut the grain, but also gathered the stalks and bound them with twine. Threshing machines were also being improved and enlarged, and after 1870 they were increasingly powered by steam engines rather than by horses. Since steam-powered threshing machines were costly items — running from $ 1,000 to $4,000 — they were usually owned by custom thresher owners who then worked their way from farm to farm during the harvest season. "Combines" were also coming into use on the great wheat ranches in California and the Pacific Northwest. These ponderous machines — sometimes pulled by as many as 40 horses — reaped the grain, threshed it, and bagged it, all in one simultaneous operation.

The adoption of labor-saving machinery had a profound effect upon the sale of agricultural operations in the northern states — allowing farmers to increase vastly their crop acreage. By the end of century, a farmer employing the new machinery could plant and harvest two and half times as much corn as a farmer had using hand methods 50 years before.

托福阅读题目：

1. What aspect of farming in the United States in the nineteenth century does the passage mainly discuss?

【A】 How labor-saving machinery increased crop Production

【B】 Why southern farms were not as successful as Successful as northern farms

【C】 Farming practices before the Civil War

【D】 The increase in the number of people farming

2. The word "crucial" in line 4 is closest in meaning to

【A】 obvious

【B】 unbelievable

【C】 important

【D】 desirable

3. The phrase "avail themselves" in line 11 is closest in meaning to

【A】 take care

【B】 make use

【C】 get rid

【D】 do more

4.According to the passage , why was the Civil War a stimulus for mechanization?

【A】 The army needed more grain in order to feed the soldiers.

【B】 Technology developed for the war could also the used by farmers.

【C】 It was hoped that harvesting more grain would lower the price of grain.

【D】 Machines were needed to replace a disappearing labor force.

5. The passage supports which of the following statements about machinery after the Civil War?

【A】 Many farmers preferred not to use the new machinery.

【B】 Returning laborers replaced the use of machinery.

【C】 The use of farm machinery continued to increase.

【D】 Poor-quality machinery slowed the pace of crop production.

6. Combines and self-binding reapers were similar because each

【A】 could perform more than one function

【B】 required relatively little power to operate

【C】 was utilized mainly in California

【D】 required two people to operate

7. The word "they" in line 19 refers to

【A】 grain stalks

【B】 threshing machines

【C】 steam engines

【D】 horses

8. It can be inferred from the passage that most farmers did not own threshing machines because

【A】 farmers did not know how to use the new machines

【B】 farmers had no space to keep the machines

【C】 thresher owner had chance to buy the machines before farmers did

【D】 the machines were too expensive for every farmer to own

9. The word "ponderous" in line 21 is closest in meaning to

【A】 advanced

【B】 heavy

【C】 complex

【D】 rapid

托福阅读答案：

ACBDCABDB