Infotek, a computer manufacturer in Katrovia, has just introduced a new personal computer model that sells for significantly less than any other model. Market research shows, however, that very few Katrovian households without personal computers would buy a computer, regardless of its price. Therefore, introducing the new model is unlikely to increase the number of computers in Katrovian homes.

Which of the following is an assumption on which the argument depends?


Infotek achieved the lower price of the new model by using components of lower quality than those used by other manufacturers.

The main reason cited by consumers in Katrovia for replacing a personal computer is the desire to have an improved model.

Katrovians in households that already have computers are unlikely to purchase the new Infotek model as an additional computer for home use.

The price of other personal computers in Katrovia is unlikely to drop below the price of Infotek's new model in the near future.

Most personal computers purchased in Katrovia are intended for home use.

考题讲解

情景:Infotek打算做出一个便宜的电脑来。但是,市场研究显示,无论价格多少,很少的Katrovia人会购买一个电脑。因此,引入这个新模型不会增加Katrovia家庭保有的电脑数量。

推理:本题为因果推理。顺序的因果逻辑:因为无论价格多少,很少的Katrovia人会购买一个电脑,所以引入这个新模型不会增加Katrovia家庭保有的电脑数量
(因)前提:无论价格多少,很少的Katrovia人会购买一个电脑
(果)结论:这个新模型不会增加Katrovia家庭保有的电脑数量

选题方式:因果推理只有一个评估方向,简而言之,即(由于本题问的是假设,所以答案选项需在“取非”后满足),反驳推理文段中的结论。

选项分析:

A选项:Infotek是通过比竞争对手用的零件质量更低的方式来达到低价的。本选项讨论的是Infotek为什么能把价格做低,和新模型会不会增加家庭电脑保有量没有关系。

B选项: Katrovia的顾客更换电脑的主要原因是他们想要一个更先进的模型。本选项和推理文段的结论无关。

C选项:Correct. 已经有电脑的Katrovia人不可能再去购买一个额外的电脑。如果已有电脑的人会再购买一个电脑的话,无疑家庭保有的电脑数量还是会上升。因此,本选项是正确的。

D选项:
其它Katrovia的电脑的价格不可能在最近降低到比Infotek的新型电脑更低。本选项整个因果逻辑都没有关系,因为,整个的因果逻辑是不考虑价格因素的。

E选项:
大部分的在Katrovia买的电脑都是家用的。本选项描述的是Katrovia电脑的用途,和结论无关。

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