【OG24-655题】Chaco Canyon ,a settlement of the ancient Anasazi culture in North America, had massive buildings. It must have been a major Anasazi center.Analysis of wood samples shows that some of the timber for the buildings came from the Chuska and San Mateo mountains,50 miles from Chaco Canyon. Only a major cultural center would have the organizational power to import timber from 50 miles away.In the argument given, the two portions in boldface play which of the following roles?_mofa留学圈mofaGRE在线题库系统_GRE在线搜题_GRE题库解析_GRE真题机经_GRE课程_GRE培训机构

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Chaco Canyon ,a settlement of the ancient Anasazi culture in North America, had massive buildings. It must have been a major Anasazi center.Analysis of wood samples shows that some of the timber for the buildings came from the Chuska and San Mateo mountains,50 miles from Chaco Canyon. Only a major cultural center would have the organizational power to import timber from 50 miles away.

In the argument given, the two portions in boldface play which of the following roles?

The first is a premise used to support the arguments main conclusion; the second is the arguments main conclusion. The first is the argument’s main conclusion; the second is a premise used to support that conclusion. The first is one of two premises used to support the argument's main conclusion; the second is the other of those two premises. The first is a premise used to support the argument's main conclusion; the second is a premise used to support another conclusion drawn in the argument. The first is inferred from another statement in the argument: the second is inferred from the first.

正确答案： B

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题干翻译
查科峡谷曾是一个主要的阿纳萨齐中心。对木材样本的分析表明，一些建筑用木材来自50英里外的丘斯卡山和圣马特奥山。只有主要的文化中心才有组织能力从50英里外进口木材。 逻辑链
Chaco was major center → Timber from far → Only major center can import 问题类型
句子作用题 推理过程
第一个加粗部分“查科峡谷曾是一个主要的阿纳萨齐中心”是论点的主要结论；第二个加粗部分“只有主要的文化中心才有组织能力从50英里外进口木材”是用来支持第一个结论的前提，即因为有从远处进口木材的能力，所以查科峡谷是主要中心。 选项分析
A选项：第一个是支持主要结论的前提，第二个是主要结论。与推理不符，错误。 B选项：第一个是主要结论，第二个是支持该结论的前提。符合推理，正确。 C选项：第一个是支持主要结论的两个前提之一，第二个是另一个前提。第一个是结论不是前提，错误。 D选项：第一个是支持主要结论的前提，第二个是支持另一个结论的前提。第一个是结论，错误。 E选项：第一个是从论点中的另一个陈述推断出来的，第二个是从第一个推断出来的。逻辑关系错误。

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