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GMAT逻辑真题完整分析讲解(23)

GMAT逻辑题一直以来是不少考生的弱项,因为逻辑题考查的不只是考生对于英文题目的阅读和理解能力。考生必须具备一定的逻辑推理思维能力才能做好此类题目。下面小编就通过一些GMAT逻辑真题的完整分析来为大家讲解这一难点题型的解题思路和技巧。

例题分享:

Exposure to certain chemicals commonly used in elementary schools as cleaners or pesticides causes allergic reactions in some children. Elementary school nurses in Renston report that the proportion of schoolchildren sent to them for treatment of allergic reactions to those chemicals has increased significantly over the past ten years. Therefore, either Renston’s schoolchildren have been exposed to greater quantities of the chemicals, or they are more sensitive to them than schoolchildren were ten years ago.

Which of the following is an assumption on which the argument depends?

(A) The number of school nurses employed by Renston’s elementary schools has not decreased over the past ten years.

(B) Children who are allergic to the chemicals are no more likely than other children to have allergies to other substances.

(C) Children who have allergic reactions to the chemicals are not more likely to be sent to a school nurse now than they were ten years ago.

(D) The chemicals are not commonly used as cleaners or pesticides in houses and apartment buildings in Renston.

(E) Children attending elementary school do not make up a larger proportion of Renston’s population now than they did ten years ago.

题目类型:

assumption

题目翻译:

洗衣剂或杀虫剂等小学常用的化学制品会让孩子有过敏反应。R地的小学护士报告说,在过去的10年中,来到他们那里治疗上述过敏的孩子增加了很多。因此,要么R地的学生现在更多地接触了化学制品,要么学生们比10年前对化学制品更加敏感。

解题思路:

有可能是上学的学生在增加,其实过敏比例没有变。

逐项分析:

A、护士减少了。如果题干里说每一个护士报告的过敏学生数在增加,那么此项成为正确选项,但题干说的是所有护士。排除。

B、对化学制品过敏的学生并不比其他学生更容易对其他东西过敏。无关项。

C、正确选项。过去学生发生过敏反应的时候可能不一定会去学校护士那里,但现在去了,所以护士报告病例增加。

D、化学制品并没有在家里和公寓里被广泛当作洗衣剂或杀虫剂使用。无关项。

E、如果这个是事实的话,那么报告的过敏病例应该持平或下降。

正确选项:

C

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