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问题 单项选择题

企业的财务经理为了降低投资风险，购买了20种不同行业的不同企业股票。下列各项计量风险和收益率的方法组合中，能恰当计量该投资组合的风险和要求收益率的是（）。

A.标准差和净现值

B.标准差和内部收益率

C.回收期和获利能力指数

D.β系数和资本资产定价模型

答案

参考答案：D

解析：能恰当计量该投资组合的风险和要求收益率的是β系数和资本资产定价模型，选项D是答案。

阅读理解

根据短文内容回答下面的问题，每空一词。

My name is Dave. I have two good friends. On Saturdays we often go to see the animals in the zoo. Tom likes pandas because they’re kind of shy. He likes Ling Ling best. Ling Ling is three years old now. Tom often goes to see her. Mary likes to play with dolphins. There are two dolphins in the zoo. They’re friendly to people. My favorite animals are lions. I think they’re smart. But Mary doesn’t like them. She says lions are too scary. We have a little dog. Its name is Bargo. It’s black and white. Bargo often goes with us to the zoo. It’s cute. We all love it very much.

小题1:When do they often go to the zoo?

They go to the zoo ________ ________.

小题2:How old is Ling Ling?

She is__________ ___________ old.

小题3:Why does Mary like dolphins?

Because they’re ________  ________ people.

小题4:What kind of animal is Bargo?

Bargo is a __________. It’s ___________.

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选择题
下列有关红外线的说法中正确的是（　　）

A．红外线是一种可见光

B．红外线是一种人眼看不见的光

C．红外线不能被我们看见，所以它不能像可见光那样传递能量

D．红外线在空气中很难被传递
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