用来衡量资产之间收益相互关联程度的指标包括( )。
A.期望收益率
B.方差
C.协方差
D.标准差
E.相关系数
参考答案:C,E
连词成句。
1. a of map here is China
.
2. two about it's kilometres thousand
3. far it is how to from here city your
?
4. are by we train going
5. too is this dress big
挠度