下列说法中正确的有 ①同号两数相乘，符号不变；②异号两数相乘，积取负号；③互为相反数的两数相乘，积一定为负；④两个有理数的积绝对值，等于这两个有理数的绝对值的积．

题干

下列说法中正确的有（）

①同号两数相乘，符号不变；②异号两数相乘，积取负号；③互为相反数的两数相乘，积一定为负；④两个有理数的积绝对值，等于这两个有理数的绝对值的积．

A：1个

B：2个

C：3个

D：4个

上一题下一题 0.0难度选择题更新时间:2019-01-13 11:21:03

答案(点此获取答案解析）

B

同类题2

阅读下面短文，根据短文内容，从A,B,C三个选项中选出可以填入空白处的正确答案。

A

A famous symbol in American culture is a cartoon animal—Mickey Mouse. Mickey first 1 in a cartoon in New York in 1928. Walt Disney was the father of Mickey. He made lots of cartoons with Mickey. Many people around the world love the mouse with two 2 ears. He was so popular because he was like a common man, but he always tried to face any danger and solve the problems all by himself. In Disney's early films, Mickey was 3,he lost his house and girlfriend, Minnie. 4,he never gave up his efforts and always won at last. Most people want to be like him. Now Mickey Mouse is still one of the most popular 5 characters in the world.

CACBA

题干

答案(点此获取答案解析）

同类题1

同类题2

同类题3

同类题4

同类题5