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问题 多项选择题

以下关于久期的叙述，正确的是（）。

A.附息债券的麦考莱久期和修正的麦考莱久期小于其到期期限

B.对于零息债券而言，麦考莱久期与到期期限相同

C.对于普通债券而言，当其他因素不变时，票面利率越低，麦考莱久期及修正的麦考莱久期就越大

D.假设其他因素不变，久期越大，债券的价格波动性就越大

答案

参考答案：A, B, C, D

完形填空

My name is Sally. I study in a great middle school in our city．I take a l to school every day. Our yellow school bus is 2 ，and it can hold(容纳)40 people at a time．The driver（司机)is very nice. He says“hello”to us when he  3 us every morning. On the school bus, I make friends with some students  4 other grades(年级)．We usually  5 about our families, friends and school lives.

Tina is our  6 teacher．She also takes the school bus to work every day．She’s beautiful and her English classes are  7 interesting. On the bus，she often tells us something about life. She is  8 a friend to us．We all like to listen to her  9 we call learn(学习)a lot from her. The school bus brings(带来) me lots of  10 . It makes my life interesting．

小题1:A. car    B. bus     C. train

小题2:A. big    B. quick    C. old

小题3:A. asks    B. meets    C. leaves

小题4:A. for    B．with    C. from

小题5:A. talk    B. think    C. dream

小题6:A. Chinese B. math    C. English

小题7:A. either  B. also    C. only

小题8:A. for    B. with    C．like

小题9:A. so     B. because  C. but

小题10:A. fun    B. health   C.problems
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选择题

希腊债务危机发生后欧盟与国际货币基金组织商讨救助计划，以防引发欧盟乃至全球经济的风险探底。2011年7月欧元区领导人召开紧急峰会就希腊新一轮救助方案达成一致，同意再为希腊提供1090亿欧元的贷款。这一事件

①说明希腊是欧盟国家②表明国际货币基金组织的宗旨是全球性的发展援助

③凸显了世界经济区域集团化的作用④反映了当今经济全球化趋势的加强[ ]

A．①②④

B．②③④

C．②③

D．①③④
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