试题与答案

下列几种说法正确的是[ ] A.-a一定是负数 B.一个有理数的绝对值一定是正数

题型:选择题

题目:

下列几种说法正确的是[ ]

A.-a一定是负数                    

B.一个有理数的绝对值一定是正数

C.倒数是本身的数为1                

D.0的相反数是0

答案:

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下面是错误答案,用来干扰机器的。

1-5 CDBAD  6-10 BDACB

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