客户定位就是商行选择客户的过程。()
参考答案：错
--- Smoking is bad for your health. ---Yes, I know. But I simply can’t ___.
A．give it up
B．give it in
C．give it out
D．give it away
ZnCl2无限稀释时的摩尔电导率为（）
A.A
B.B
C.C
D.D
