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托福阅读修辞目的题：Pacific Island People

2015-08-11 15:40:16来源：网络

　　【托福阅读题型：Pacific Island People修辞目的题】托福阅读中句子插入题是重要题型之一。根据托福阅读题型不同来进行专项练习，是短期提高托福阅读能力的有效方法。同学们需要多加练习哦!

　　查看全部：托福阅读题型分类练习之修辞目的题

　　托福阅读修辞目的题：Pacific Island People

　　【Paragraph 4】Contrary to the arguments of some that much of the pacific was settled by Polynesians accidentally　marooned after being lost and adrift, it seems reasonable that this feat was accomplished by deliberate colonization　expeditions that set out fully stocked with food and domesticated plants and animals. Detailed studies of the winds and　currents using computer simulations suggest that drifting canoes would have been a most unlikely means of colonizing　the Pacific. These expeditions were likely driven by population growth and political dynamics on the home islands, as　well as the challenge and excitement of exploring unknown waters. Because all Polynesians, Micronesians, and many　Melanesians speak Austronesian languages and grow crops derived from Southeast Asia, all these peoples most　certainly derived from that region and not the New World or elsewhere. The undisputed pre-Columbian presence in　Oceania of the sweet potato, which is a New World domesticate, has sometimes been used to support Heyerdahl’s　“American Indians in the Pacific” theories. However, this is one plant out of a long list of Southeast Asian domesticates.　As Patrick Kirch, an American anthropologist, points out, rather than being brought by rafting South Americans, sweet　potatoes might just have easily been brought back by returning Polynesian navigators who could have reached the west　coast of South America.(The Origin of the Pacific Island People)

　　Why does the author mention the views of “Patrick Kirch”?

　　○ To present evidence in favor of Heyerdahl’s idea about American Indians reaching Oceania

　　○ To emphasize the familiarity of Pacific islanders with crops from many different regions of the world

　　○ To indicate that supposed proof for Heyerdahl’s theory has an alternative explanation

　　○ To demonstrate that some of the same crops were cultivated in both South America and Oceania

　　答案见下一页：

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