ChaseDream
搜索
返回列表 发新帖
00:00:00

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?

正确答案: E

相关帖子

更多...

更多相关帖子

524

帖子

15

好友

4712

积分

ChaseDream

注册时间
2003-03-17
精华
8
解析
查看: 3600|回复: 5
打印 上一主题 下一主题

GWD14的第15题求解~~~

[复制链接]
跳转到指定楼层
楼主
发表于 2012-4-28 10:08:47 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
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
收藏收藏 收藏收藏
沙发
发表于 2012-4-28 10:35:27 | 只看该作者
呃 应该选e吧
板凳
发表于 2012-5-7 17:51:18 | 只看该作者
谈谈我的见解吧   ,不一定对哦!
首先,FACT里的people who have asthma also suffer from hay fever 与E项的people suffering from hay fever who also have asthma的总数肯定一样吧(只是对应的分母不同,比例肯定不同)
然后,你看啊,FACT里面还说得hey fever的总人数是超过asthma的
最后,我们假定又有asthma又有hey fever的人数是A,得hey fever的人数是X,得asthma的人数是Y,因为X>Y,所以A/X<A/Y,又A/Y=95%,所以A/X<95%,就选E了
地板
发表于 2014-5-27 16:25:45 | 只看该作者
其实这道题不用这么麻烦,题干中的fact就已经说了 Asthma is much less common ailment than hay fever,所以说患有h中的人又患有a的肯定比患有a中又患有h的占比要小
5#
发表于 2014-5-27 16:26:45 | 只看该作者
其实这道题不用这么麻烦,题干中的fact就已经说了 Asthma is much less common ailment than hay fever,所以说患有h中的人又患有a的肯定比患有a中又患有h的占比要小
6#
发表于 2020-7-8 17:27:04 | 只看该作者
发表一下个人看法,这道题不知所云的原因就是rate没法理解是95%到底是谁比谁,超过95%患a同时患h也就是患a且患h的人在患a的人中占超过95%的比例,也就是:

(患a且患h)/(患a)over 95%;

同时我们知道 患a less common than 患h,

而E选项说的正是,(患a且患h)在患h的总人数中的比例,也就是(患a且患h)/患h,自然是less than 95%了。
您需要登录后才可以回帖 登录 | 立即注册

Mark一下! 看一下! 顶楼主! 感谢分享! 快速回复:

手机版|ChaseDream|GMT+8, 2024-11-13 04:26
京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号

ChaseDream 论坛

© 2003-2023 ChaseDream.com. All Rights Reserved.

返回顶部