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问题 单项选择题

某零息债券面值100元，3年后到期，当前市价120元，3年期市场利率为10%，则该债券的久期为()年。

A．1

B．2

C．3

D．5

答案

参考答案：C

解析： 零息债券的久期等于预期偿还期限，因此该债券的久期为3年。

单项选择题

在硫酸锌滴眼液中，为防止水解，使其呈弱酸性，常需要加入的酸是

A．硫酸
B．盐酸
C．磷酸
D．硼酸
E．醋酸
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听力题

根据中文提示完成短文。

Dear Bruce,

I’m sorry to hear that you feel sad these days. But don’t worry. I think you will be 小题1:.________

(勇敢的)enough to face it. In my 小题2:___________(观点), the first thing you should do is to tell her your problems face to face. After all, she knows what the saying goes, “All work, no play makes Jack a dull boy.” Then she will give you free time. The 小题3:__________ (第二) thing you’d better do is to make full use of time. Everyone knows we can never 小题4:__________(浪费) time. Maybe to your mother, time is life. So please remember: Play while you play, work while you work. Work hard! If she 小题5:__________ (意识)you have tried your best, she won’t let you do so many things.

Good luck!

Thomas
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