托福阅读真题:Volcanic Islands修辞目的题练习
- 2017年09月13日14:13 来源:小站整理
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托福阅读考试要求考生在60分钟里完成3篇字数在700以上的文章的阅读以及每篇文章的12-14道题。托福阅读考试总计有10大类题型,所以备考时你要对托福阅读的10大题型的题型结构以及答题方法进行全方位的了解。今天小编为大家带来了托福阅读修辞目题真题练习,希望对大家的托福阅读备考有帮助。
托福阅读修辞目的题全面解析:http://toefl.zhan.com/yuedu61935.html
托福阅读修辞目的题:Volcanic Islands
【Paragraph 1】Earth’s surface is not made up of a single sheet of rock that forms a crust but rather a number of “tectonic plates” that fit closely, like the pieces of a gain jigsaw puzzle. Some plates carry islands or continents, others form the seafloor. All are slowly moving because the plates float on a denser sem-iliquid mantle, the layer between the crust and Earth’s core. The plates have edges that are spreading ridges (where two plates are moving apart and new seafloor is being create○, subduction zones (where two plates collide and one plunges beneath the other), or transform faults (where two plates neither converge nor diverge but merely move past one another). It is at the boundaries between plates that most of Earth’s volcanism and earthquake activity occur.(The Formation of Volcanic Islands)
The author mentions “spreading ridges”, “subduction zones”, and “transform faults” in order to
A. illustrate that the boundaries of tectonic plates are neat, thin lines
B. explain why some tectonic plates carry islands or continents while others form the seafloor
C. explain the complex nature of the edges of tectonic plates
D.provide examples of areas of tectonic plates where little geologic action occurs
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