( )是指基础金融变量的变动而使金融资产或负债的市场价值发生变化的可能性。
A.市场风险B.信用风险C.流动性风险D.操作风险
参考答案:A
真空中的光速是c=______m/s,是宇宙间最快的速度.
I don't know when __________. [ ]
A. will the train leave
B. the train will leave
C. would the train leave
D. the train leave