The basic cultural requirements for the successful colonization of the Pacific islands include the appropriate boat-building, sa

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问题     The basic cultural requirements for the successful colonization of the Pacific islands include the appropriate boat-building, sailing, and navigation skills to get to the islands in the first place; domesticated plants and gardening skills suited to often marginal conditions; and a varied inventory of fishing implements and techniques. It is now generally believed that these prerequisites originated with peoples speaking Austronesian languages(a group of several hundred related languages)and began to emerge in Southeast Asia by about 5000 b.c.e. The culture of that time, based on archaeology and linguistic reconstruction, is assumed to have had a broad inventory of cultivated plants including taro, yams, banana, sugarcane, breadfruit, coconut, sago, and rice. Just as important, the culture also possessed the basic foundation for an effective maritime adaptation, including outrigger canoes and a variety of fishing techniques that could be effective for overseas voyaging.
In paragraph 3, why does the author provide information about the types of crops grown and boats used in Southeast Asia during the period around 5000 b.c.e.?

选项 A、To evaluate the relative importance of agriculture and fishing to early Austronesian peoples
B、To illustrate the effectiveness of archaeological and linguistic methods in discovering details about life in ancient times
C、To contrast living conditions on the continent of Asia with living conditions on the Pacific islands
D、To demonstrate that people from this region had the skills and resources necessary to travel to and survive on the Pacific islands

答案D

解析
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