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【单选题】
证券组合风险的大小不仅与单个证券的风险有关,而且与各个证券收益间的( )有关。A.
协方差
B.
标准差
C.
系数
D.
标准离差率
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反馈参考答案：
举一反三
【单选题】This is not a typical summer camp, but Michelle is glad she _______ it.
A.
came down with
B.
signed up for
C.
got away from
D.
did away with
【单选题】Up went the price and _______.
A.
the living standard came down
B.
came down the living standard
C.
down came the living standard
D.
down the living stand came
【单选题】What a funny idea he _______!
A.
came up with
B.
came up
C.
came down to
D.
came down
【单选题】______, crying. [ ]
A.
In came Jack's wife
B.
Came in Jack's wife
C.
Came in she
D.
In came she
【简答题】Up went the prices and __________. A) the living standard came down B) down did the living standard come C) came down the living standard D) down came the living standard
【单选题】Stout Santa and away .
A.
Down came;flew he
B.
Down came ;he flew
C.
Down came;did nothe flew
D.
Came down;did he fly
【单选题】The stars ______ as soon as it was dark. [ ]
A.
came down
B.
came in
C.
came out
D.
came over d
相关题目：
【单选题】______, crying. [ ]
A.
In came Jack's wife
B.
Came in Jack's wife
C.
Came in she
D.
In came she
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