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标题: 问道逻辑题 [打印本页]
作者: danymm 时间: 2007-2-16 15:35
标题: 问道逻辑题
Smithtown
University’s fund-raisers succeeded in getting donations from 80 percent of the potential donors they contacted. This success rate, exceptionally high for university fund-raisers, does not indicate that they were doing a good job. On the contrary, since the people most likely to donate are those who have donated in the past, good fund-raisers constantly try less-likely prospects in an effort to expand the donor base. The high success rate shows insufficient canvassing effort.
Which of the following, if true, provides more support for the argument?
- Smithtown
University’s fund-raisers were successful in their contacts with potential donors who had never given before about as frequently as were fund-raisers for other universities in their contacts with such people. 既然未捐赠人的比率和别的大学一样高,说明80%的高比率并不是来自未捐赠人,支持了结论 - This year the average size of the donations to Smithtown
University from new donors when the university’s fund-raisers had contacted was larger than the average size of donations from donors who had given to the university before. - This year most of the donations that came to Smithtown
University from people who had previously donated to it were made without the university’s fund-raisers having made any contact with the donors. - The majority of the donations that fund-raisers succeeded in getting for Smithtown
University this year were from donors who had never given to the university before. - More than half of the money raised by Smithtown
University’s fund-raisers came from donors who had never previously donated to the university.
Answer: C*
A
我觉得答案是C，对吗？
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