标题: 亲们，罗技JJ69，选啥？ [打印本页] 作者: 笨蛋加油 时间: 2011-11-6 20:11 标题: 亲们，罗技JJ69，选啥？ 69. GWD-14-Q15 【by wangyang1195】 og上原材料，题目不同，是问原因. Fact: Asthma, a bronchial condition, is much less common ailment than hay fever, an allergic inflammation of the nasal passages. Fact: Over 95 percent of people who have asthma also suffer from hay fever.
If the information given as facts above is true, which of the following must also be true? A. Hay fever is a prerequisite for the development of asthma. B. Asthma is a prerequisite for the development of hay fever. C. Those who have neither hay fever nor asthma comprise less than 5 percent of the total population. D. The number of people who have both of these ailments is greater than the number of people who have only one of them. E. The percentage of people suffering from hay fever who also have asthma is lower than 95 percent l作者: kelvinhu 时间: 2011-11-6 20:16
选 E作者: 12604698 时间: 2011-11-6 20:53
归纳题，画个韦恩图，大圈和小圈交叉，大圈是 hay fever，小圈Asthma，是交叉范围是小圈的95%，e就是那个交叉范围占大圈的比例~作者: 笨蛋加油 时间: 2011-11-7 08:42
大牛啊，太噻了作者: 笨蛋加油 时间: 2011-11-7 08:43 标题: 可是问的是原因啊。。。问原因选E？？？您说的是归纳吧？
归纳题，画个韦恩图，大圈和小圈交叉，大圈是 hay fever，小圈Asthma，是交叉范围是小圈的95%，e就是那个交叉范围占大圈的比例~