渠道的交替方案主要涉及（）。
A．中间商类型
B．顾客的偏好
C．产品性质
D．中间商数目
E．渠道成员的特定任务
参考答案：A, D, E
In order to gain a bigger share in the international market, many staterun companies are ________to
make their products more competitive.[ ]
A. starving
B. struggling
C. playing
D. gathering
免疫球蛋白(immunoglobulinIg)
