21-2-11

番茄炒蛋 · 发表于 2003-12-2 00:04:00

21-2-11
11. Not surprisingly, there are no professors under the age of eighteen And as is well known no

one under eighteen can vote legally. Finally some brilliant people are professors some are legal

voters and some are under eighteen.

If the statements above are true, then on the basis of them which one of the following must also

be true?

(A) No professors are eighteen-year-olds

(B) All brilliant people are either professors legal voters or under eighteen

(C) Some legal voters are not professors

(D) Some professors are neither legal voters not brilliant people

(E) Some brilliant people are neither professors nor legal voters

答案是e，可我觉得c也不错啊，主要还是没有理解题意吧，帮帮忙了

21-2-11

21-2-11

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