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原文结论: Musicologists therefore hypothesize that the diatonic musical scale was developed and used thousands of years [by the Neanderthal or even by the people living before Neanderthal] before it was adopted by Western musicians. B. No musical instrument that is known to have used a diatomic scale is of an earlier date than the flute found at the Neanderthal campsite. 我说错一点,就是B不应该是原文imply的,所以不是否定了一个负面因素。B实际上weaken了原来的推理,原文的推理过程imply两点,(1)要么是尼安德特人发明了全音阶,(2)要么是比尼安德特人更早的人发明了全音阶。B的作用是否定了(2),所以如果B是真的,那么人们就只能在尼安德特人生活时期寻求证据,这个要求更高,所以B weaken了原来的推理。 总之,B是有关选项,如果改成问那个选项最严重地weaken了推理,那B就是候选。 这题带来的经验教训是对于比较复杂的题目,考试时还是应该凭感觉,许多时候没法第一时间把道理articulate出来,但是感觉终究是对的。
[此贴子已经被作者于2008-8-5 16:09:41编辑过] |