14. School superintendent: It is a sad fact that ,until now , entry into the academically best high school in our district has been restricted to the children of people who were wealthy enough to pay the high tuition . Parents who were previously denied the option of sending their children to this school now have this option . since I am replacing the tuition requirement with a requirement that allows only those who live in the neighborhood of the school to attend.
The superintendent's claim about the effect of replacing the tuition requirement relies on the assumption that
(A) the residents of the school's neighborhood tend to be wealthy
(B) people other than those wealthy enough to have paid the old tuition are able to live in the neighborhood of the school.
(C) People less wealthy than those who were able to pay the old tuition are in the majority in the district.
(D) There are no high schools in the district other than the one referred to by the superintendent.
(E) There are many people not wealthy enough to have paid the old tuition who wish to have their children attend the school.
答案是B，D为什么不对？请教解题思路！作者: Peace 时间: 2003-7-4 06:30
这道是 assumption 题，思路之一是找必要条件。
将B取非，将对题干的推导造成致命的打击，也就是说B取非后可以推翻题干的推导。
而D很明显是无关选项。取不取非都不会对文章的推导造成影响。
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