1、智课网 TOEFL备考资料托福TPO1-34阅读词汇题完整汇总(电子版)摘要： 托福TPO1-34阅读词汇题完整汇总(电子版 )!新托福TPO 阅读中， TPO阅读词汇题是重要托福阅读题型。托福阅读词汇题做题需要考生掌握一定的词汇量和做题技巧，这样也可以帮助同学检验托福词汇的背诵效果，同学们快来巩固一下吧!托福 TPO1-34阅读词汇题完整汇总 (电子版)! 新托福 TPO阅读中，TPO阅读词汇题是重要 托福阅读 题型。托福阅读词汇题做题需要考生掌握一定的词汇量和做题技巧，这样也可以帮助同学检验 托福词汇 的背诵效果，同学们快来巩固一下吧!Paragraph 1: In the fourtee
2、nth century, a number of political developments cut Europes overland trade routes to southern and eastern Asia, with which Europe had had important and highly profitable commercial ties since the twelfth century. This development, coming as it did when the bottom had fallen out of the European econo
3、my, provided an impetus to a long-held desire to secure direct relations with the East by establishing a sea trade. Widely reported, if somewhat distrusted, accounts by figures like the famous traveler from Venice, Marco Polo, of the willingness of people in China to trade with Europeans and of the
4、immensity of the wealth to be gained by such contact made the idea irresistible. Possibilities for trade seemed promising, but no hope existed for maintaining the traditional routes over land A new way had to be found. 【TPO17- Europes Early Sea Trade with Asia】1. The word impetus in the passage is c
5、losest in meaning toReturnOpportunityStimulusObstacleParagraph 3: At times, it is actually possible to watch the effects of natural selection in host-parasite relationships. For example, Australia during the 1940 s was overrun by hundreds of millions of European rabbits. The rabbits destroyed huge e
6、xpanses of Australia and threatened the sheep and cattle industries. In 1950, myxoma virus, a parasite that affects rabbits, was deliberately introduced into Australia to control the rabbit population. Spread rapidly by mosquitoes, the virus devastated the rabbit population. The virus was less deadl
7、y to the offspring of surviving rabbits, however, and it caused less and less harm over the years. Apparently, genotypes (the genetic make-up of an organism) in the rabbit population were selected that were better able to resist the parasite. Meanwhile, the deadliest strains of the virus perished wi
8、th their hosts as natural selection favored strains that could infect hosts but not kill them. Thus, natural selection stabilized this host-parasite relationship. 【TPO17- Symbiotic Relationships】4. The word devastated in the passage is closest in meaning to Influenced Infected strengthened destroyed
9、Paragraph 4: In contrast to parasitism, in commensalism, one partner benefits without significantly affecting the other. Few cases of absolute commensalism probably exist, because it is unlikely that one of the partners will be completely unaffected. Commensal associations sometimes involve one spec
10、ies obtaining food that is inadvertently exposed by another. For instance, several kinds of birds feed on insects flushed out of the grass by grazing cattle. It is difficult to imagine how this could affect the cattle, but the relationship may help or hinder them in some way not yet recognized. 【TPO17- Symbiotic Relationships】7. The word inadvertently in the passage is closest in meaning toIndefensiblySubstantiallyUnintentionallyPartially相关推荐:北美大学校园生活及学习常用词汇短语归纳托福写作 常用短语WORD版汇总托福词汇常考词根大收录相关字搜索： 托福TPO1-34阅读词汇题汇总
