企业培训师每设计一个培训过程，都要考虑如何运用（）式，来激发学员的积极性和主动性。
A、询问；
B、启发；
C、鞭策；
D、鼓励。
参考答案：B
After much _____, Harry was chosen captain of the football team. [ ]
A. debate
B. bargain
C. defeat
D. defence
简述原料中和的目的？
