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题库 / OG2018-CR-561
Chaco Canyon, a settlement of the ancient Anasazi culture in North America, has 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 argument’s main conclusion; the second is the argument’s 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.
情景：Chao Canyon拥有很多房子。这里肯定是市中心。因为，只有市中心有这么大的运力运来这样的建造房子用的木头。
推理：略。
选题方式：本题是黑体字题，探究两个黑体字的关系即可。显然地，第一个黑体字是作者整个文章的结论，第二个黑体字为作者在探究这个结论时用到的理由，即，文章的前提。
选项分析：
A选项：第一个黑体字是用来支持论证主结论的前提；第二个黑体字是文章的主结论。本选项说反了。
B选项：Correct. 第一个黑体字是文章的主结论；第二个黑体字是用来支持这个结论的前提。
C选项：第一个黑体字是两个支持文章主结论的前提之一；第二个黑体字是另外一个前提。
D选项：第一个黑体字是用来支持论证主结论的前提；第二个黑体字是用来支持另外一个结论的前提。
E选项：第一个黑体字是从论证里另外一个声明推理出来的；第二个黑体字是从第一个黑体字中被推理出来的。
绕来绕去
除了结论以外的都是前提, 即使是根据事实总结出来的也是总结论的前提