角色扮演最早是由()提出的。
参考答案:米德
由四条边围成的图形叫正长方形______.
The January Anomaly, the neglected firm effect, and the book value/market value ratio are studies examining which form of the EMH()
A. Weak-form of the EMH.
B. Strong-form of the EMH.
C. Semip-form of the EMH.