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?
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
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