2. 外语
  3. It was long thought that a now-rare disease of the joints, alkaptonuria, was epidemic in Egypt 2,500 years ago. Evidence came fr

It was long thought that a now-rare disease of the joints, alkaptonuria, was epidemic in Egypt 2,500 years ago. Evidence came fr

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问题 It was long thought that a now-rare disease of the joints, alkaptonuria, was epidemic in Egypt 2,500 years ago. Evidence came from the high proportion of mummies from that period showing symptoms of the disease. Recently, however, chemical analyses of skeletons have led scientists to propose that the joint damage was actually caused by chemicals used by Egyptian embalmers. Which of the following, if true, would additionally weaken the traditional view that alkaptonuria afflicted many Egyptians 2,500 years ago?
选项 A、X-rays of the mummies showed shadows that clearly suggested joint damage, and recent inspection of the skeletons has confirmed that hypothesis.
B、Although alkaptonuria is a disease that can be inherited, it did not appear in the descendants of the Egyptian population in which the symptoms were found.
C、Egyptian embalming methods were highly secret, and scientists are still not certain of the nature of some of the chemicals that were used.
D、Possible evidence of alkaptonuria has been pointed out in pictures representing the human figure found on artifacts left by other Middle Eastern cultures of that period.
E、Some mummies of that period show no evidence of joint damage at all.
答案B
解析 本题由一个evidence而得出一个解释性结论，属于典型的“B，A”模式，反对思路多针对段落推理的隐含假设，鉴于问题目的是要反对the traditional view，所以段落后半部分可以不读。(B)指出了另外一个因素可能影响B，所以(B)正确。(E)易误选，但一场流行病的流行并不能保证每一个人都染上这个病，所以(E)的“some”不能起到反对。(D)仅仅指出别的中东国家可能有alkaptonuria，但与我们讨论的“埃及有无alkaptonuria无关，所以为无关答案。本题的另外一种思路是用问题目的中的核心关键词“alkaptonuria”来定位选项，发现(B)、(D)中有这个词，然后再把(D)排除掉，就可得到正确答案(B)。
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