Since it has become known that several of a bank's top executives have been buying shares in their own bank, the bank's depositors, who had been worried by rumors that the bank faced impending financial collapse, have been greatly relieved. They reason that, since top executives evidently have faith in the bank's financial soundness, those worrisome rumors must be false. Such reasoning might well be overoptimistic, however, since corporate executives have been known to buy shares in their own company in a calculated attempt to dispel negative rumors about the company's health.

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


The first describes evidence that has been taken as supporting a conclusion; the second gives a reason for questioning that support.

The first describes evidence that has been taken as supporting a conclusion; the second states a contrary conclusion that is the main conclusion of the argument.

The first provides evidence in support of the main conclusion of the argument; the second states that conclusion.

The first describes the circumstance that the argument as a whole seeks to explain; the second gives the explanation that the argument seeks to establish.

The first describes the circumstance that the argument as a whole seeks to explain; the second provides evidence in support of the explanation that the argument seeks to establish.

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考题讲解

情景：由于听说了银行的几个高管购买了本银行的股票，银行的储户，本来为银行即将崩溃的谣言所担心的，现在也轻松多了。储户说，因为银行高管也购买了本银行的股票，所以那些谣言肯定是假的。然而，这种说法可能过于乐观了，因为高管公开购买了本银行股票就是想驱散谣言。

推理：第一个黑体字是一个既定的现象，是一个前提。第二个黑体字是整个推理文段的立场但不是结论，结论是“可能过于乐观了，”）。

选题方式：略

选项分析：

A选项： Correct. 第一个黑体字是用来支持一个结论的证据；第二个黑体字给出了用来质疑那个支持的原因。

B选项：第一个黑体字是用来支持一个结论的证据；第二个黑体字声明了一个相反的主结论。第二个黑体字和第一个黑体字不是相反的，而是给出了第一个黑体字的一种解读。

C选项：第一个黑体字提供了支持主结论的证据；第二个黑体字是主结论。第二个黑体字并不是主结论。

D选项：第一个黑体字描述了一个论证整体寻找解释的情况；第二个黑体字给出了这个解释。第二个黑体字并不是直接给出的解释，而只是解释了一下为什么这种考虑可能过于乐观了。

E选项：第一个黑体字描述了一个论证整体寻找解释的情况；第二个黑体字提供了支持这个解释的证据。第二个黑体字并没有给出任何证据。

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