通常可以用（）的大小衡量一只股票基金面临的市场风险的大小。

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问题单项选择题

A.下行风险标准差

B.方差

C.跟踪误差

D.贝塔系数

答案

参考答案：D

解析：通常可以用贝塔系数（β）的大小衡量一只股票基金面临的市场风险的大小。

填空题

用所给词的适当形式填空。

1. Thanks a lot for _________ (lend) me your pen.

2. He did the work with __________(please).

3. Don't play football in the street. It's __________ (danger).

4. The twins have seen the interesting film__________ (two).

5. I think he was not __________ (bad) hurt.

6. She was ill yesterday, but today she's much __________ (well).

7. My father taught __________ (he) English three years ago.

8. After having a short rest, they went on __________ (play) football.

9. There are a lot of new __________ (factory) in our city.

10. We had a __________ (cloud) weather yesterday.

单项选择题 A3/A4型题

男性，19岁，用油漆刷墙后发生喘息1天，伴轻咳、咳少量黏白痰，有过敏性鼻炎病史2年。

最有可能的诊断为（）

A.急性支气管炎

B.急性左心衰竭

C.支气管哮喘急性发作

D.慢性支气管炎急性发作

E.大叶性肺炎