12. Approximately two hundred brands of personal computers are being manufactured, but we currently limit our inventory to only the eight most popular brands. We plan to increase greatly the number of computers we sell by expanding our inventory to include the ten best-selling brands.
Which of the following, if true, points out a major weakness of the plan above?
(A) The capabilities of three most popular personal computers add to be approximately equivalent, with no brand having consistent superiority in all respects.
(B) The seven most popular brands of personal computers account for almost all computers sold.
(C) As the users of personal computers become more sophisticated, they are more willing to buy less well-known brands of computers.
(D) Less popular brands of computers often provide less profit to the retailer because prices must be discounted to attract customers.（B）
(E) The leading brand of personal computer has been losing sales to less popular brands that offer similar capabilities for less money.
措施是要引进best-selling brands, b中是说most popular brands,不是同一范畴怎么能weaken呢？
这道题的逻辑错误很明显
就是我们要通过扩充库存到包括十种最畅销品牌来增加销售，可是问题是我们的八种最受大众欢迎的品牌里面只有七种在卖，还有一种根本就卖不出去，那末原文的方法不是很可笑吗，我认为most popular和best-selling根本就是一回事，我们该如何界定most popular，当然是通过销售情况了，没有可能most popular 的东西根本就卖不出去
The seven most popular brands of personal computers account for almost all computers sold.
E选项是说个人电脑的领先品牌正在丢市场，因为不畅销品牌提供相同品质产品但是价格便宜，由于和数量无关，领先品牌到底有几个，所以并不能够一定削弱
the popular bands 和the best-selling bands 是一样的吗，从什地方可以推出来呢？
这里涉及好几个概念，不知哪几个是一回事。
The argument does not equate "most popular" to "best selling". Otherwise the argument does not hold. The reasoning of the answer is that the company has 7 brands of computers that account for almost all the sales of computers. Adding other brands would not necessarily "increase the number of computer we sell".
仍然不能明白B选项的削弱方式，七个品牌占了几乎所有的销售量，只能说明还有一个品牌没有销售额（一个未知的因素造成的），但是不能代表再引入3个best-selling的品牌不会给公司带来销量的增长阿？
不明白为什么CE是错误的选项
请教
呵呵，没白吃，强化巩固！
不过，这个例子不太对，和题目的reasoning不一样哦我觉得，应该是你吃1种药就能好，可你偏吃2种。
仍然不能明白B选项的削弱方式，七个品牌占了几乎所有的销售量，只能说明还有一个品牌没有销售额（一个未知的因素造成的），但是不能代表再引入3个best-selling的品牌不会给公司带来销量的增长阿？
不明白为什么CE是错误的选项
请教
原文的推理是这样
expanding our inventory to include the ten best-selling brands==>increase greatly the number of computers we sell
B提出，现有的8中最流行的电脑中，我们只能买出7中，有一种已经都买不出去了。所以在增加其它流行的电脑也可能同样的买不出去。这样就weaken了原文的推理。
C中的less well-known brands of computers太模糊，第9流行电脑对于第8流行电脑就是less well-known，那么按照C的推理，人们也会去买。所以就不能起到weaken。
E)The leading brand of personal computer has been losing sales to less popular brands that offer similar capabilities for less money. 同样的道理。
大全-II-12. Approximately two hundred brands of personal computers are being manufactured, but we currently limit our inventory to only the eight most popular brands. We plan to increase greatly the number of computers we sell by expanding our inventory to include the ten best-selling brands.
Which of the following, if true, points out a major weakness of the plan above?
(A) The capabilities of three most popular personal computers add to be approximately equivalent, with no brand having consistent superiority in all respects.
(B) The seven most popular brands of personal computers account for almost all computers sold. 既然我们存货里面的八大电脑里已经有7种是卖得最好的了，那么使用新方案还是未必能够提高销售量的。
(C) As the users of personal computers become more sophisticated, they are more willing to buy less well-known brands of computers.貌似有削弱的作用，但是没有讲到点子上。Well known与most popular, best selling是不同的，也许不知名的电脑正式most popular的！！！上文其实有点混淆概念的味道。
(D) Less popular brands of computers often provide less profit to the retailer because prices must be discounted to attract customers.
(E) The leading brand of personal computer has been losing sales to less popular brands that offer similar capabilities for less money.
Reasoning: a supermarket, for example, currently has only eight most popular brands in its inventory. The supermarket plans to expand its inventory by increasing the number of computers to include the ten best-selling brands in order to sell more computers in the supermarket.
评价：评价方案的逻辑错误，可以说明这种增加存货的方法是行不通的，或者说以前的方法卖得更多电脑。
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