问题 多项选择题

假设资本资产定价模型成立,根据下表完成以下各题:
证券种类期望报酬率标准差与市场组合的相关系数β值
无风险资产ABCD
市场组合E0.1FG
A股票0.2H0.651.3
B股票0.150.1510.9
C股票0.1J0.2K

关于表中无风险资产的标准差和相关系数以及β值,说法正确的是:( )。

A.(A) 无风险资产的标准差以及与市场组合的相关系数均为0

B.(B) 无风险资产的标准差以及与市场组合的相关系数均为1

C.(C) 无风险资产的标准差以及β值均为0

D.(D) 无风险资产的标准差以及β值均为1

E.(E) 无风险资产的β值、标准差以及与市场组合的相关系数均为0

答案

参考答案:A,E

完形填空

根据所给的首字母填写单词

“Do you like my dress?” She asked a passing stranger. “My mommy made it just for me.” She said with tears in her eyes.

“I think it is really pretty, but why are you (1) c______”

With a quiver (颤抖) in her voice, the little girl answered, “After mommy made me the (2) d______, she had to go to the heaven (天堂).”

Finally the woman realized what the child meant. She gently (3) h____ the child in her arms and together they cried for the mommy that was gone.

Then suddenly the little boy stopped crying, stepped back from the woman and (4) b____ to sing. She sang so softly that it was almost a whisper. It was the sweetest sound the woman had ever heard, a most like the song of a very small bird.

(5) A_____ the child stopped singing, she explained to the lady, “My mommy used to sing that song to me before she went away, and she made me promise to sing it whenever I started crying and (6) i____ would make me stop.”

“See,” she said, “it did, and now my eyes are dry!”

As the woman turned to go, the little girl grabbed her sleeve(袖子). “Madam, can you stay just a minute? I want to show you (7) s________.”

“Of course,” she answered.

(8) P______ to a spot on her dress, she said, “Right here is where my mommy kissed my dress and here,” pointing to another spot, “and here is another kiss, and here, and here.” Mommy said she put all those kisses on my dress so that I would have all kisses for everything that made me cry.

Then the lady (9) r______ that she wasn’t just looking at a dress, no, she was looking at a mother…who knew she was going away and would not be there to kiss away the hurts that she knew her daughter would get. So she took all the love she had for her beautiful little girl and put them into this dress that her child now so proudly wore.

She (10) n____ longer saw a little girl in a simple dress. She saw a child wrapped…in her mother’s love.

判断题