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逻辑CR-11414 【难度:650-680】 00:00
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Delta products, Inc., has recently switched at least partly from older technologies using fossil fuels to new technologies powered by electricity. The question has been raised whether it can be concluded that for a given level of output, Delta’s operation now causes less fossil fuel to be consumed than it did formerly. The answer, clearly, is yes, since the amount of fossil fuel used to generate the electricity needed to power the new technologies is less than the amount needed to power the older technologies, provided that the level of output is held constant.

In the argument given, the two boldface portions play which of the following roles?

  • 分析A选项 分析选校图标
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  • 分析B选项 分析选校图标
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  • 分析C选项 分析选校图标
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  • 分析D选项 分析选校图标
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  • 分析E选项 分析选校图标
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  • 用户头像

    Adelaz

    第一句陈述事实,没看出支持结论……
    3楼  | 2017-10-22 20:55:43 回复
  • 用户头像

    我是一只花蝴蝶

    答案是E
    Nice one! Bold faced questions are needed, as they are becoming increasingly frequent on the real test and there aren't many practice questions out there!
    
    To answer to this question, the first step is to identify the conclusion. You may think that ALL the last sentence is the conclusion, but this would be wrong. The conclusion is simplly "the answer is yes"( The complete conclusion should be "for a given level of output, Delta's operation now causes less fossil fuel to be consumed than it did formerly").
    
    The first bold and the second bold parts try to reinforce this conclusion, the former by stating a fact necessary to introduce the argument and the latter by counter-argumenting an opposition that could be raised against the author's argument.
    Hence, answer is E.
    
    
    转自http://www.beatthegmat.com/bold-face-question-delta-products-fossil-fuel-consumption-t34190.html
    2楼  | 2017-09-30 11:54:41 回复
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    MR.HH

    解释和题目乱掉了,个人觉得这个题选E
    1楼  | 2016-12-11 21:52:02 回复
    • 评论用户头像
      lgw1482132922: 同选E

      2016-12-23 07:51:23 回复

    • 评论用户头像
      Ashinxgy: 同选E

      2017-09-17 17:14:51 回复

    • 评论用户头像
      我是一只花蝴蝶: 你是对的

      2017-09-30 11:07:22 回复

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