Public health expert: Increasing the urgency of a public health message may be counterproductive. In addition to irritating the majority who already behave responsibly, it may undermine all government pronouncements on health by convincing people that such messages are overly cautious. And there is no reason to believe that those who ignore measured voices will listen to shouting.

The two sections in boldface play which of the following roles in the public health expert's argument?


The first is a conclusion for which support is provided, but is not the argument's main conclusion; the second is an unsupported premise supporting the argument's main conclusion.

The first is a premise supporting the only explicit conclusion; so is the second.

The first is the argument's main conclusion; the second supports that conclusion and is itself a conclusion for which support is provided.

The first is a premise supporting the argument's only conclusion; the second is that conclusion.

The first is the argument's only explicit conclusion; the second is a premise supporting that conclusion.

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考题讲解

情景：略

推理：第一个黑体字其实是推理文段的结论。第二个黑体字是众多前提中的一个。

选题方式：略

选项分析：

A选项：第一个黑体字是支持已经被提供过的结论，但是不是论证的主结论；第二个黑体字是一个支持论证主结论的前提。第一个黑体字已经是论证的主结论了。

B选项：第一个黑体字是一个支持结论的前提；第二个黑体字也是。第一个黑体字是论证的结论。

C选项：第一个黑体字是论证的结论；第二个支持了这个结论，并且自己也是一个被提供过支持的结论。第二个黑体字是一个前提，没有被支持过。

D选项：第一个黑体字是一个支持结论的前提；第二个黑体字是结论。本选项说反了。

E选项：Correct. 第一个黑体字是论证的结论；第二个黑体字是一个支持该结论的前提。

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