标题: lsat test7/s1/q12 [打印本页] 作者: mzyzhu 时间: 2003-5-10 23:24 标题: lsat test7/s1/q12 Q12, No mathematician today would flatly refuse to accept the results of an enormous computation as an adequate demonstration of the truth of a theorem. In 1976, however, this was not the case. Some mathematicians at that time refused to accept the results of a complex computer demonstration of a very simple mapping theorem. Although some mathematicians still hold a strong belief that a simple theorem ought to have a short, simple proof, in fact, some simple theorems have required enormous proofs.
If all of the statements in the passage are true, which one of the following must also be true?
(A) Today, some mathematicians who believe that a simple theorem ought to have a simple proof would consider accepting the results of an enormous computation as a demonstration of the truth of a theorem. (C) Today, some individuals who refuse to accept the results of an enormous computation as a demonstration of the truth of a theorem believe that a simple theorem ought to have a simple proof
Can anyone can explain why he answer is A and not C please? 作者: mindfree 时间: 2003-5-11 14:30
做此类题目有两个要点: 1. 一定要找出原文的逻辑关系: A-->B,答案往往是此逻辑关系的一个子集或逆否.比如说:所有鸟都有翅膀, 鸡是一种鸟. 答案就是鸡有翅膀. 2. 既然是must be true, 你看选项时就要问自己此选项有没有可能是错的.
A正确, 因为原文说No mathematician today would flatly refuse to accept the results ...和A的意思一样.
C错. 因为不一定. 原文并没有给出refuse to accept和believe that a simple theorem两种人的关系. 所以我们并不能得出must be true.作者: mzyzhu 时间: 2003-5-19 03:58
To Mindfree:
your explanation is crystal clear.
the first sentence is the topic sentence. According to GMAT syntax, the last sentence starting with "Although some mathematicians..., ..." does not emphasize the part starting with although. So I was confused with this part in the first inquiry.