饭店采取的定价策略有（）
A.新产品价格策略
B.心理定价策略
C.折扣定价策略
D.延期折扣策略
参考答案：A, B, C, D
The polar bear likes to swim.
A. like swimming B. likes swimming C. would like to swim
产业结构搞计划的根本动因是（）。
