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[Critical Reasoning]
试题详情
题目：
In the past the country of Malvernia has relied heavily on imported oil. Malvernia recently implemented a program to convert heating systems from oil to natural gas. Malvernia currently produces more natural gas each year than it uses, and oil production in Malvernian oil fields is increasing at a steady pace. If these trends in fuel production and usage continue, therefore, Malvernian reliance on foreign sources for fuel is likely to decline soon.
Which of the following would it be most useful to establish in evaluating the argument?
Which of the following would it be most useful to establish in evaluating the argument?
选项:
A、When, if ever, will production of oil in Malvernia outstrip production of natural gas?
B、Is Malvernia among the countries that rely most on imported oil?
C、What proportion of Malvernia’s total energy needs is met by hydroelectric, solar, and nuclear power?
D、Is the amount of oil used each year in Malvernia for generating electricity and fuel for transportation increasing?
E、Have any existing oil-burning heating systems in Malvernia already been converted to natural-gas-burning heating systems?
答案:
D
提问：
C 为什么不对
解答：
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提问：
C 为什么不对
解答：
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提问：
看最后一句话：M现在生产的气比国内能用了的要少，并且M的油田也以一个固定的速度在增长。如果这些发现资源、使用资源的趋势能够保持下去，因此M依靠于进口资源将会减少。
D：油的数量M用于生产电，以及能源用于运输，会增长吗？（原文都说了如果发现资源、使用资源的趋势能够保持下去了，这句话是在对假设进行质疑。本来假设就是个假设，不应该质疑啊？）
E：有没有什么现存的燃油加热系统，存在与M的，已经转换成了天然气供热系统了？（是否转换了，会使得对能源的利用，有变化）
解答：
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