题型:填空题 假设某证券的收益分布状况如下表所示。该证券的预期收益率和标准差分别是:A.经注状况B.概率C.证券收益状况D.概率E.证券收益率(%)F.繁荣G.0.6H.好I.0.6J.20K.一般L.0.2M.15N.差O.0.2P.10Q.衰退R.0.4S.好T.0.2U.5V.一般W.0.2X.1Y.差Z.0.6Z.-10 查看答案
题型:填空题 Taiwan — born filmmaker Ang Lee won the best director Oscar (奥斯卡) ______ March 5, 2006. [ ]A. for B. on C. with D. of 查看答案