依CAPM方法,假设某股票的B(Beta)系数为2,股市的预期报酬率为15%,无风险利率为5%,则该股票报酬率为多少
A.10%
B.20%
C.25%
D.30%
参考答案:C
The 2004 China F1 car race _____ in Shanghai. [ ]
A. is held
B. was held
C. has held
D. will be held
简述湿疮的临床分型、治法及代表方剂。