艾尚托福阅读，我们一起背单词第2期：TPO20-1 West Migration

大家好，欢迎大家来到可可教育－艾尚托福阅读，我们一起背单词，我是艾芳如
记住我们的口号：甩掉8000-10000冗长的词汇书，背最有用最需要的单词

今天我们讲解托福TPO20-1 West Migration的第7题到第12题需要重点记忆的单词

7. The word “proliferation” in the passage is closest in meaning to
题干单词：
proliferation n. 扩散；增长；兴盛 （CET6）
选项单词：
A. growth n. 增长；发展 （CET4）
B. Cooperation n. 合作 （CET4）
C. importance n. 重要 （高中）
D. Success n. (高中)

8. Paragraph 4 suggests that turnpikes affected farmers by
正确答案所在原文位置：These roads made possible a reduction in transportation costs and thus stimulated the commercialization of agriculture along their routes.
重点单词：
reduction (redue v.) n. 减少；下降；缩小 （CET4）
stimulate v. 刺激；鼓舞；激励 （CET4）
commercialization n. 商品化 （CET4）
agriculture n. 农业 （高中）
route n. 路线；航线 （初中）
正确选项：allowing a greater number of farmers to sell their farm products in a commercial market.

9. The word “superseded” in the passage is closest in meaning to
题干单词：
supersede v. 取代；代替（托福）
选项单词：
A. replace v. 代替；取代 （高中）
B. reform v. 改革 （高中）
C. equal v. 与...相等 （高中）
D. increase v. 增加 （初中）

10. The word “diverted” in the passage is closest in meaning to
题干单词：
divert v. 转移；使分心 （CET6）
选项单词：
A. collect v. 搜集 (初中)
B. shift v. 转移 （CET4）
C. transport v. 运输 (高中)
D. sold v. 售卖 （初中）

11. 11. Which of the following can be inferred from paragraph 5 about flatboats and keelboats?
正确答案所在原文：
Steamboats were not only faster but also transported upriver freight for about one tenth [of what it had previously cost on hand-propelled keelboats].
重点单词：
freight n. 船货 （CET4）
previously adv. 以前地；早先地 （高中）
propel v. 推进；驱使 （CET6）
正确选项：They were slower and more expensive to operate than steamboats.

12. Paragraph 5 mentions that the Erie Canal led to a reduction in all of the following EXCEP
A&D选项对应原文；
Eventually, the western states diverted much of their produce from the rivers to the Erie Canal, a shorter route to eastern markets.
重点单词：
produce n. 农产品；产品；v. 生产 （高中）
A选项：The length of the route that goods from the west travelled across to reach eastern markets
D选项：The amount of produce from western states that was shipped on rivers.

B选项对应原文：
After the canal went into operation, the cost per mile <of transporting a ton freight> <from Buffalo to New York City> declined from nearly 20 cents to less than 1 cent.
重点单词：
go into operation 生效；开始工作
decline v. 下降；衰退 （高中）
B选项：the cost of transporting freight

非常开心能跟大家一起分享背单词，我是艾芳如，我们下次再见！