11. If p is a positive odd integer, what is the remainder when p is divided by 4 ? (1) When p is divided by 8, the remainder is 5. (2) p is the sum of the squares of two positive integers. ANS:D 我不知道选项2为什麽对耶 12. Of the 25 cars sold at a certain dealership yesterday, some had automatic transmission and some had antilock brakes. How many of the cars had automatic transmission but not antilock brakes? (1) All of the cars that had antilock brakes also had automatic transmission. (2) 2 of the cars had neither automatic transmission nor antilock brakes. ANS:E 我本来觉得答案是C 我後来我想了一下 觉得: 因为车子不见得只有automatic transmission 和antilock brakes这两种东西, 所以我知道有2台两个都没有时(第二选项), 我不能推出其他的车都有这两种东西.以致於题目所问的答案是0 是因为这样,答案才是E的吗? 谢谢大大们解惑! --

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