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大全-2-6, 在犹豫间选错

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楼主
发表于 2004-10-10 11:57:00 | 只看该作者

大全-2-6, 在犹豫间选错

6.To entice customers away from competitors, RL supermarkets have begun offering discounts on home appliances to customers who spend 50 dollars or more on any shopping trip to RL.RL executives claim that the discount program has been a huge success, since cash register receipts of 50 dollars or more are up thirty percent since the beginning of the program.


which of the following, if true, most seriously weakens the claim of the RLexecutives


D. Since the beginning of the discount program,most of the people who spend 50 dollars or more at RL are people who have never before shopped there and whose average grocery bill has always been higher than 50 dollars.


E.Almost all of the people who have begun spending 50 dollars or more at RL since the discount program began are longtime customers who have increased the average amount of their shopping bills by making fewer trips.




大全2-6



我排除了其它选项,在DE 间犹豫。两者都有削弱作用,为什么答案是E呢。


沙发
发表于 2004-10-10 13:22:00 | 只看该作者

UP, UP,


这道题我怎么和你错的一样.

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