在快速奔跑和向外改变方向时,多采用()运球。
A、脚背正面
B、脚内侧
C、脚背外侧
D、脚背内侧
参考答案:C
刘利民对消防安全处的处罚行为不服时应向谁申请复议
A portfolio of options had a return of 22 percent with a standard deviation of 20 percent. If the risk - free rate is 7.5 percent, what is the Sharpe ratio for the portfolio()
A. 0.725.
B. 0.147.
C. 0.267.