Critical Reasoning
试题详情
题目：
Manufacturers sometimes discount the price of a product to retailers for a promotion period when the product is advertised to consumers. Such promotions often result in a dramatic increase in amount of product sold by the manufacturers to retailers. Nevertheless, the manufacturers could often make more profit by not holding the promotions.
Which of the following, if true, most strongly supports the claim above about the manufacturers' profit?
选项:
A、The amount of discount generally offered by manufacturers to retailers is carefully calculated to represent the minimum needed to draw consumers' attention to the product.
B、For many consumer products the period of advertising discounted prices to consumers is about a week, not sufficiently long for consumers to become used to the sale price.
C、For products that are not newly introduced, the purpose of such promotions is to keep the products in the minds of consumers and to attract consumers who are currently using competing products.
D、During such a promotion retailers tend to accumulate in their warehouses inventory bought at discount; they then sell much of it later at their regular price.
E、If a manufacturer fails to offer such promotions but its competitor offers them, that competitor will tend to attract consumers away from the manufacturer's product.
答案:
D
提问：
E为什么不对呢？我是这样想的：如果C地的人数增加了，那人均香烟销售量就会减少，因此4%的跌幅也可以由人数基数大了解释。
所以选E，因为要控制人数这个变量不变，才能说明人均香烟销售量的减少是由于香烟价格上涨导致的。
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提问：
问题说：税上涨，价格就上涨，所以税会导致销量下降
A说不会减少利润来回避C的成本增加？
B香烟之前的价格上涨时因为上涨的税
C排除与人数无关
D不懂
E排除
错选B 不懂为什么选A
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提问：
原文说的是在promotion 促销的时候，M通常会给R 一个折扣价，这个折扣价使M卖给R 的产品数量大幅度上升。尽管，没有这种促销，M也能挣很多利润。
感觉D 一直在围绕R的利润讨论，R 先存一堆货，等促销期过去再以regular price 卖掉赚一大笔钱。和M 的利润无关呀？如何能支持原文讲的M的profits 的相关的argument 呢？
我感觉原文意思是说即使没有这个promotion， Manufacture 们也能赚很大利润，所以为什么他们还要做promotion?
这样理解E 项就很make sense
我没搞懂问题说的support 什么？
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提问：
求怎样能快速判断排除D选项，留下A，我无法排除D，但快速杀掉了正确选项A。
我看到的原文是：烟价上升，销量下降，税上涨，每盒烟均价上涨，所以：税影响了香烟销售。而D就是围绕香烟价格谈的，感觉补进原文挺顺的。而A说公司不太可能去降低利润以回避成本上升
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