题干
-How are things with you?
- ．I now make enough money to pay bills and keep food on the table．
- ．I now make enough money to pay bills and keep food on the table．
A：From bad to wrose
B：Can’t complai
C：Too bad
D：Too good
答案(点此获取答案解析）
B
的方程
有实根
，复数
，则复数
在复平面内的对应点到原点的距离为