对于沉默型的顾客,促销员应该()
A.鼓励、引导、替顾客决断
B.少说、让顾客自己看、鼓励
C.亲近、有问必答、注意动作语言
D.主动接触、引导、多问
参考答案:B, C, D
I told Jane _______ her homework before Friday.[ ]
A. finish
B. finishes
C. finishing
D. to finish
简述接触器的工作原理?