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标题: OG13 Diagnostic Test 34 [打印本页]

作者: guoxiaodishaji 时间: 2014-3-14 10:19
标题: OG13 Diagnostic Test 34
34. A year ago, Dietz Foods launched a yearlong advertising campaign for its canned tuna. Last year Dietz sold 12 million cans
of tuna compared to the 10 million sold during the previous year, an increase directly attributable to new customers
brought in by the campaign. Profits from the additional sales, however, were substantially less than the cost of the
advertising campaign. Clearly, therefore, the campaign did nothing to further Dietz’s economic interests.
Which of the following, if true, most seriously weakens the argument?
(A) Sales of canned tuna account for a relatively small percentage of Dietz Foods’ profits.
(B) Most of the people who bought Dietz’s canned tuna for the first time as a result of the campaign were already loyal
customers of other Dietz products.
(C) A less expensive advertising campaign would have brought in significantly fewer new customers for Dietz’s canned
tuna than did the campaign Dietz Foods launched last year.
(D) Dietz made money on sales of canned tuna last year.
(E) In each of the past five years, there was a steep, industry-wide decline in sales of canned tuna.

为什么我觉得B正确？不正是因为贵的广告使得销售量增加才使得广告的cost有意义么，所以weaken了argument，但是E的话只是说在全行业的整体状况不好的情况下，此公司销售增加了，但是也没有体现出是因为广告运动增加的，而且就算是因为广告增加的也还是因为收入小于支出，还是亏损了。。。

好困惑呀。。。

作者: francoisyang 时间: 2014-3-17 15:41
B的意思是，第一次因为广告买金枪鱼的都是dietz其他产品的忠实客户，这个完全没提新增收入和增加的成本的关系，如何削弱？
E的潜台词是，没有广告，卖得更少亏损得更多，所以广告值。

作者: elusive 时间: 2016-2-17 14:01

因果推理

因：销售增加，但是profit<cost

果：thecampaign did nothing to further Dietz's economic interests.

A：profit和economicinterest不一样。不能用来衡量结果。

B：什么客户无关，只要买了就行。有可能忠诚的客户在买其他产品，看见广告后才买的罐头。与果无关。

C：说明了campaign对于吸引顾客还是很有用的。但是没有说economicinterest是怎样的。小规模广告是否profit>cost?

D：跟因果无关

E：直接反驳，如果没有广告，效益更惨，说明广告还是很有用的。

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