2. 外语
  3. The first paragraph is mainly about ______. According to this passage, optimum population ______.

The first paragraph is mainly about ______. According to this passage, optimum population ______.

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问题 The first paragraph is mainly about ______.
According to this passage, optimum population ______.
选项 A、refers to the population size at which the average level of welfare will be as high as possible
B、refers to the population size at which the total amount of welfare will be as great as possible
C、is a difficult philosophical issue which remains to be resolved in the future
D、is a difficult philosophical issue which Derek Parfit has successfully settled in Reasons and Persons
答案C
解析 分析推理题。文章第三段后半部分提出了最合适的人口数量的问题。在用两个问句提出对这一问题的两种可能的答案(Is it that population size...Or is it...as great as possible?)后，作者指出，这两种答案都会导致与直觉相反的结果，因此这一问题remains one of the most baffling mysteries in applied ethics(仍是应用伦理学中最令人不解的谜之一)，其意就是仍有待于将来解决，因此本题选[C]。
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