38. Sales of telephones have increased dramatically over the last year. In order to take advantage of this increase, Mammoth Industries (MI) plans to expand production of its own model of telephone, while continuing its already very extensive advertising of this product.
Which of the following, if true, provides most support for the view that Mammoth Industries cannot increase its sales of telephones by adopting the plan outlined above?
a) Although it sells all of the telephones that it produces, Mammoth Industries’ share of all telephone sales has declined over the last year.
b) MI’s average inventory of telephones awaiting shipment to retailers has declined slightly over the last year.
c) Advertising has made the brand name of MI’s telephones widely known, but few consumers know that MI owns this brand.
d) MI’s telephone is one of three brands of telephone that have together accounted for the bulk of the last year’s increase in sales.
e) Despite a slight decline in the retail price, sale of MI’s telephones have fallen in the last year
-- by 会员 gedn01 (2009/12/28 20:56:19)
GMAT的CR题，在完全读懂题目意思后基本上就能直接选出来了。
真的吗？请问你曾经是进行CR的专项训练的？
书店里的有关GMAT的逻辑推理的书（作者陈向东）是否偏难了？厚厚的一本．它把Lsat,gre的推理都放进来了．
我担心的就是复习资料会误人子弟，是否我中招了．我
-- by 会员 gedn01 (2009/12/28 21:31:15)
以下题为例
19. How do the airlines expect to prevent commercial plane crashes? Studies have shown that pilot error contributes to two-thirds of all such crashes. To address this problem, the airlines have upgraded their training programs by increasing the hours of classroom instruction and emphasizing communication skills in the cockpit. But it is unrealistic to expect such measures to compensate for pilots’ lack of actual flying time. Therefore, the airlines should rethink their training approach to reducing commercial crashes.
Which one of the following is an assumption upon which the argument depends?
(A) Training programs can eliminate pilot errors.
(B) Commercial pilots routinely undergo additional training throughout their careers.
(C) The number of airline crashes will decrease if pilot training programs focus on increasing actual flying time.
(D) Lack of actual flying time is an important contributor to pilot error in commercial plane crashes.（D）
(E) Communication skills are not important to pilot training programs.
分清＂Ｂ，Ａ＂模式，不是＂Ａ，Ｂ＂模式真的那么重要吗？
读完题后，去掉了A,B,E三项．对C,D两项，有方法说只要加入NOT，看看段落推理是否仍成立，用这种方法C,D两项可以去掉一项，敢问not应该怎么加？各位高手，是按什么样的策略来解决这种题的？
-- by 会员 gedn01 (2009/12/20 21:23:33)