【OG24-741题】Consultant: Ace Repairs ends up having to redo a significant number of the complex repair jobs it undertakes, but when those repairs are redone, they are invariably done right. Since we have established that there is no systematic difference between the mechanics who are assigned to do the initial repairs and those who are assigned to redo unsatisfactory jobs, we must reject the hypothesis that mistakes made in the initial repairs are due to the mechanics' lack of competence. Rather, it is likely that complex repairs require a level of focused attention that the company's mechanics apply consistently only to repair jobs that have not been done right on the first try. In the consultant's reasoning, the two portions in boldface play which of the following roles?_mofa留学圈mofaGRE在线题库系统_GRE在线搜题_GRE题库解析_GRE真题机经_GRE课程_GRE培训机构

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Consultant: Ace Repairs ends up having to redo a significant number of the complex repair jobs it undertakes, but when those repairs are redone, they are invariably done right. Since we have established that there is no systematic difference between the mechanics who are assigned to do the initial repairs and those who are assigned to redo unsatisfactory jobs, we must reject the hypothesis that mistakes made in the initial repairs are due to the mechanics' lack of competence. Rather, it is likely that complex repairs require a level of focused attention that the company's mechanics apply consistently only to repair jobs that have not been done right on the first try.

In the consultant's reasoning, the two portions in boldface play which of the following roles?

The first is the consultant's main conclusion; the second provides evidence in support of that main conclusion. The first is evidence that serves as the basis for rejecting one explanation of a certain finding; the second is the consultant's own explanation of that finding. The first is a claim whose truth is at issue in the reasoning; the second provides evidence to show that the claim is true. The first presents a contrast whose explanation is at issue in the reasoning; the second is the consultant's explanation of that contrast. The first presents a contrast whose explanation is at issue in the reasoning; the second is evidence that has been used to challenge the consultant's explanation of that contrast.

正确答案： D

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题干翻译
当那些维修工作被重新做时，它们总是被做对。因为我们已经确定，被指派进行初始维修的机械师和被指派重新做不满意工作的机械师之间没有系统性差异，所以我们必须拒绝初始维修中的错误是由于机械师缺乏能力这一假设。相反，很可能复杂的维修需要一种高度集中的注意力，而公司的机械师只在首次未做对的维修工作上始终如一地应用这种注意力。 逻辑链
1. 首次维修错，重新维修对 2. 两类机械师无差异→否定能力不足假设 3. 复杂维修需专注，仅用于重做工作 问题类型
句子作用题 推理过程
第一个加粗部分描述了“首次维修出错但重新维修做对”这一对比现象，这是整个推理中需要解释的内容。第二个加粗部分是顾问针对上述对比现象给出的解释，即机械师在重做工作时才会始终应用高度集中的注意力。 选项分析
A选项：第一个不是主要结论，主要结论是否定机械师能力不足假设及给出新解释，该选项错误。 B选项：第一个不是拒绝某种解释的依据，它是需要被解释的现象，该选项错误。 C选项：第一个不是其真实性存在争议的主张，而是既定现象，该选项错误。 D选项：符合上述推理过程，第一个呈现对比现象，第二个是对该对比的解释，该选项正确。 E选项：第二个不是用来挑战顾问解释的证据，而是顾问自己的解释，该选项错误。

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