劳烦各位nn~ 陈向东里面的一题

vashzz · 发表于 2010-1-11 15:52:03

As a promotional experiment, Omega Company distributed four million catalogs. In one of the two versions of the catalog, the description of each item for sale mentioned a “Made by Hand” label. The number of purchases from consumers receiving that catalog was twenty percent greater than the number of purchases from consumers receiving a catalog that did not mention the label. Thus, the mention of the label stimulated sales.
Which of the following, if true, could best be used to challenge the conclusion drawn above?

A. Consumers receiving the catalog mentioning the label had previously purchases items from Omega Company by mail but consumers receiving the other catalog had not.
B. Surveys showed that consumers returned purchased items to Omega Company during the promotional campaign at the same rate regardless of which catalog they received.
C. The number of purchases from Omega Company declined substantially after the promotional campaign was completed.
D. Omega Company mailed three times as many catalogs that did not mention the label as catalogs that mention the label.
E. Omega Company sold twenty percent fewer items during the year of the promotional campaign than it had during the previous year.

答案是A，我怎么觉得D对呢？老是不能把A联系起来。。。。。

prayer · 发表于 2010-1-11 19:17:35

这道题是weaken啊，D加强了。

vashzz · 发表于 2010-1-12 00:09:52

这道题是weaken啊，D加强了。

-- by 会员 prayer (2010/1/11 19:17:35)

哦哦。。。。D我看错了。。。
但是A怎么就加强了呢？不明白。。。。还请prayer兄指教

trollstigen · 发表于 2010-1-12 02:23:54

A没加强 A是weaken

vashzz · 发表于 2010-1-12 08:21:02

是啊。。。问题是怎么就weaken了。。。看不出有什么联系呀

sunlight841206 · 发表于 2010-1-12 09:24:50

题目结论是：Omega卖的好“就是”因为“catalog that mention “Made by Hand” label.”
A weaken原因是：
Omega卖的好，不一定因为“catalog that mention “Made by Hand” label.”，而且可能是因为“had previously purchases items from Omega Company by mail”。
这样，给出Omega卖的好的另外可能的原因，从而 weaken题目结论。告诉你，Omega卖的好可能与catalog带不带label无关哦！
D 加强原因是：
“catalogs that mention the label”版本，公司发1 million；“catalogs that did not mention the labe”版本，公司发3 million；
如果是这样的条件，那我们不是更加肯定“catalogs that mention the label”版本的效果了么？同时，我们也更加肯定题目中的结论，强调“catalogs that mention the label”比“catalogs that did not mention the labe”有经济效应！

vashzz · 发表于 2010-1-13 12:19:40

题目结论是：Omega卖的好“就是”因为“catalog that mention “Made by Hand” label.”
A weaken原因是：
Omega卖的好，不一定因为“catalog that mention “Made by Hand” label.”，而且可能是因为“had previously purchases items from Omega Company by mail”。
这样，给出Omega卖的好的另外可能的原因，从而 weaken题目结论。告诉你，Omega卖的好可能与catalog带不带label无关哦！
D 加强原因是：
“catalogs that mention the label”版本，公司发1 million；“catalogs that did not mention the labe”版本，公司发3 million；
如果是这样的条件，那我们不是更加肯定“catalogs that mention the label”版本的效果了么？同时，我们也更加肯定题目中的结论，强调“catalogs that mention the label”比“catalogs that did not mention the labe”有经济效应！

明白了，感谢~~~

-- by 会员 sunlight841206 (2010/1/12 9:24:50)

charlottecheng · 发表于 2010-4-22 18:45:37

那么为什么不能认为就是因为catalog发得多才导致purchase增多，并不是有label的缘故呢？

劳烦各位nn~ 陈向东里面的一题

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