托福阅读否定事实信息题是阅读考试十大题型之一，通常每篇阅读中都会出现;tpo是托福阅读备考最权威的材料，所以托福小编综合二者，为大家集中整理了tpo阅读中考察的否定事实信息题及其对应的解析，供大家参考使用。本文带来的是TPO20-1的否定事实信息题，一起来看看吧。
TPO20-1 Westward Migration
Paragraph 2
Why were these hundreds of thousands of setters-most of them farmers some of them artisans-drawn away from the cleared fields and established cities and villages of the East? Certain characteristics of American society help to explain this remarkable migration. The European ancestors of some Americans had for centuries lived rooted to the same village or piece of land until some religious, political, or economic crisis uprooted them and drove them across the Atlantic. Many of those who experienced this sharp break thereafter lacked the ties that had bound them and their ancestors to a single place. Moreover, European society was relatively stratified; occupation and social status were inherited. In American society, however, the class structure was less rigid; some people changed occupations easily and believed it was their duty to improve their social and economic position. As a result, many Americans were an inveterately restless, rootless, and ambitious people. Therefore, these social and economic position. As a result, many Americans were an inveterately restless, rootless, and ambitious people. Therefore, these social traits helped to produce the nomadic and daring settlers who kept pushing westward beyond the fringes of settlement. In addition, there were other immigrants who migrated west in search of new homes, material success, and better lives.
4. According to paragraph 2, all of the following are reasons why Americans migrated westward EXCEPT
○The desire to move from one pace to the next
○The hope of improving their socioeconomic status
○The opportunity to change jobs
○The need to escape religious or political crises
解析：EXCEPT题，但这道题用正选更好。以reason做关键词定位至第二句的explain，定位不到的话就看首句，往下看也能看到。第一个原因说了欧洲人一直住在一个地方，而美国人不是，对应答案A;第二个原因说欧洲社会等级森严，换工作没那么容易，而美国刚好相反，分别对应C和B选项，所以D没有对应，答案是D
[2]为什么这几十万的移民——大部分是农民，还有些是工匠——会离开东部开垦好的土地和建设好的城镇?美国社会的某些特征有助于解释这场声势浩大的移民。一些美国人的欧洲祖先几个世纪以来都扎根于同一个村庄或者同一片土地，直到宗教、政治或者经济危机才迫使他们离开故土，穿越大西洋。很多经历过这场巨变的人此后都失去了把他们祖先束缚在一个地方的纽带。而且，欧洲社会相对阶层化，职业和社会地位是世袭的。而在美国社会，等级结构没有这么严格，一部分人轻易就换了工作，并且他们相信提高社会和经济地位是他们的职责。这就导致很多美国人骨子里就是不安于现状、无根而且野心勃勃的人。因此这些社会特征有利于造就出那些会冲破居住地边缘向西行进的游牧民和勇敢的移民。此外，还有一些移民迁到西部是为了找寻新的家园，获得物质上的成功，过上更好的生活。
Paragraph 5
Two other developments presaged the end of the era of turnpikes and stared a transportation revolution that resulted in increased regional specialization and the growth of a national market economy First came the steamboat; although flatboats and keelboats continued to be important until the 1850’s, steamboats eventually superseded all other craft in the carrying of passengers and freight. Steamboats were not only faster but also transported upriver freight for about one tenth of what it had previously cost on hand-propelled keelboats. Next came the Erie canal, an enormous project in its day, spanning about 350 miles. After the canal went into operation, the cost per mile of transporting a ton of freight from Buffalo to New York City declined from nearly 20 cents to less that 1 cent. Eventually, the western states diverted much of their produce from the rivers to the Erie Canal, a shorter route to eastern markets.
12.Paragraph 5 mentions that the Erie Canal led to a reduction in all of the following EXCEPT
○The length of the route that goods from the West traveled across to reach eastern markets
○The cost of transporting freight
○The price of produce from western states
○The amount of produce from western states that was shipped on rivers
解析：EXCEPT题，排除法。A的length of the route做关键词定位至最后一句，a shorter route，正确，不选;同时看到部分运输被分到EC上，所以河上运的东西就少了，所以D的shipped on river有下降，D也正确，不选;B的cost和freight做关键词定位至倒数第二句，说从20下降到1，所以也下降了，不选;C的price原文无对应，所以C错，选，不要自己想运输成本下降了价格就一定会下降
[5]还有两个发展预示着高速公路时代的终结，并引发了一场运输革命，使得生产日益地区专业化，国家市场经济持续增长。第一个是蒸汽船，虽然在1850年蒸汽船最终取代了所有其它的船来运输乘客和货物之前，平底船和龙骨船一直是相当重要的交通工具。蒸汽船不仅快，而且向上游运输货物的成本约是先前用手划龙骨船的十分之一。第二个就是伊利运河，它在当时是一项庞大的工程，跨越了约350英里。运河投入运营后，从布法罗(“水牛城”)向纽约运输一吨货物的成本从每英里20美分下降到了不到1美分。最终，西部各州都将不少农产品从以往的水路转到了伊利运河这条通往东部市场的捷径上来。
以上就是托福阅读TPO20-1中的否定事实信息题及其解析，大家可以在备考的时候参考复习，希望能够帮助大家的考前准备。最后前程百利祝大家都能取得理想的托福考试成绩。
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