GMAT每日一题语文篇——逻辑_GMAT逻辑

GMAT每日一题语文篇——逻辑

　　Finding of a survey of Systems magazine subscribers: Thirty percent of all merchandise orders placed by subscribers in response to advertisements in the magazine last year were placed by subscribers under age thirty-five. 　　　　Finding of a survey of advertisers in Systems magazine: Most of the merchandise orders placed in response to advertisements in Systems last year were placed by people under age thirty-five. 　　　　For both of the findings to be accurate, which of the following must be true? 　　　　(A) More subscribers to Systems who have never ordered merchandise in response to advertisements in the magazine are age thirty-five or over than are under age thirty-five. 　　　　(B) Among subscribers to Systems, the proportion who are under age thirty-five was considerably lower last year than it is now. 　　　　(C) Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers over age thirty-five. 　　　　(D) Last year, the average dollar amount of merchandise orders placed was less for subscribers under age thirty-five than for those age thirty-five or over. 　　　　(E) Last year many people who placed orders for merchandise in response to advertisements in Systems were not subscribers to the magazine. 　　　　问题分析：此题是归纳，如果选项出现和原文没关系地内容就可以排除了，我们来看选项　　　　A 说 who have never order，原文说的是order的人，这个选项范围和原文相反，不可能从原文中归纳出来，杀。　　　　B 说低于35岁的比例去年比今年低，比例高低问题，显然原文信息中没有提到，杀　　　　C 说over age thirty－five，和原文信息相反，杀　　　　D 也说了over age thirty－five，这个信息显然和原文信息没有关联，杀　　　　E 说这帮人是否定货以及这帮人是否订阅这个杂志，这些信息都和原文有关联，留着！