【简答题】Who was said to find tea in the ancient legend?How did he discover the tea?
【判断题】厂商利润最大化在完全垄断市场中需要满足边际收益曲线与边际成本曲线的交点。
【单选题】Can you tell me when _____? [ ]
【单选题】在下列哪类市场类型中厂商的需求曲线和边际收益曲线不同:
【简答题】How did the tea fashion spread in Britain?
【单选题】How did Mr. Johnson like his tea?
C.
With two slices of lemon.
D.
With milk and one lump of sugar.