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[Critical Reasoning]
试题详情
文章：
Most of Western music since the Renaissance has been based on a seven-note scale known as the diatonic scale, but when did the scale originate? A fragment of a bone flute excavated at a Neanderthal campsite has four holes, which are spaced in exactly the right way for playing the third through sixth notes of a diatonic scale. The entire flute must surely have had more holes, and the flute was made from a bone that was long enough for these additional holes to have allowed a complete diatonic scale to be played. Therefore, the Neanderthals who made the flute probably used a diatonic musical scale.
题目：
In the argument given, the two portions in boldface play which of the following roles?
选项:
A、The first introduces evidence to support the main conclusion of the argument; the second is the main conclusion stated in the argument. The first introduces evidence to support the main conclusion of the argument; the second presents a position to which the argument is opposed.
B、The first describes a discovery as undermining the position against which the argument as a whole is directed; the second states the main conclusion of the argument.
C、The first introduces the phenomenon that the argument as a whole seeks to explain; the second presents a position to which the argument is opposed.
D、The first introduces the phenomenon that the argument as a whole seeks to explain; the second gives a reason to rule out one possible explanation
答案:
A
提问：
老师您好，我选了D答案，不是题库里的题目，是300难题这道。能不能解答一下为什么d错误，B正确呢
解答：
点赞-2
阅读2165
提问：
老师您好，我选了D答案，不是题库里的题目，是300难题这道。能不能解答一下为什么d错误，B正确呢
解答：
点赞-2
阅读2166
提问：
误选D，请问文章第一句是背景信息所以不支持都一个黑体，关于第一个黑体可以是preliminary conclusion吗？
解答：
点赞0
阅读2192
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