题目: 以下关于资产组合收益率说法正确的是______。A.资产组合收益率是组合中各资产收益率的代数和B.资产组合收益率是组合中各资产收益率的加权平均数C.资产组合收益率是组合中各资产收益率的算术平均数D.资产组合收益率比组合中任何一个资产的收益率都大 答案: 参考答案:B
题型:选择题 There are too many people here. Let's go upstairs where we can be ______.[ ]A. more private a bit B. a bit more private C . private a bit more D. private more a bit 查看答案