市场包含的三个因素是（）。
A、顾客
B、有某种需要的人
C、为满足某种需要的购买力
D、对某种东西的购买欲望
E、一定的规模容量
参考答案：B, C, D
— How about your journey to Mount Emei?
— Everything was wonderful except that our car _____ twice on the way. [ ]
A. slowed down
B. broke down
C. got down
D. put down
鉴定
