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Q19: D
In a survey of 200 college graduates, 30 percent said they had received student loans during their college careers, and 40 percent said they had received scholarships. What percent of those surveyed said that they had received neither student loans nor scholarships during their college careers?
(1) 25 percent of those surveyed said that they had received scholarships but no loans.
(2) 50 percent of those surveyed who said that they had received loans also said that they had received scholarships.
为什么我觉得题有问题?是条件(2)的50%这个百分比,
调查中50%的人既有loans又有scholarships,而题目中只有loans 的才30%,只有scholarships 的才40%,应该既有loans又有scholarships的人占的比例比只有loans ,只有scholarships的人占的比例小才是. | 
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发表于 2005-4-5 16:29:00
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