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有一道Feifei逻辑题，我看了解释还是有点想不通，请各位帮忙再解释一下，谢谢！ Despite improvements in treatment for asthma, the death rate from this disease has doubled during the past decade from its previous rate. Two possible explanations for this increase have been offered. First, the recording of deaths due to asthma has become more widespread and accurate in the past decade than it had been previously. Second, there has been an increase in urban pollution. However, since the rate of deaths due to asthma has increased dramatically even in cities with long-standing, comprehensive medical records and with little or no urban pollution, one must instead conclude that the cause of increased deaths is the use of bronchial inhalers by asthma sufferers to relieve their symptoms. 79. Which one of the following is an assumption on which the argument depends? (A) Urban pollution has not doubled in the past decade. (B) Doctors and patients generally ignore the role of allergies in asthma. (C) Bronchial inhalers are unsafe, even when used according to the recommended instructions. (D) The use of bronchial inhalers aggravates other diseases that frequently occur among asthma sufferers and that often lead to fatal outcomes even when the asthma itself does not. (E) Increased urban pollution, improved recording of asthma deaths, and the used of asthma deaths, and the use of bronchial inhalers are the only possible explanations of the increased death rate due to asthma. 参考答案选E，我选了D。其实，我是想知道为什么D不对。请各位帮帮忙，谢谢！另外，E选择的表达很奇怪，"increased urban pollution, improved recording of asthma deadths"我都理解，但是" and the used of asthma deaths"在这里要表达什么？因为题目里面已经否定了前面的两个理由，再写" and the used of asthma deaths"有什么作用？我不明白，莫非是我的阅读能力太差了？？请各位帮忙解答，谢谢！ | 
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发表于 2008-9-27 11:27:00
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