债券的到期期限会对债券收益率产生显著影响，因此投资者一般会对长期债券要求更低的收益率

下列哪项不属于前列环素的生理作用 （）

A.使cAMP生成增加

B.抑制血小板聚集

C.扩张血管

D.抑制腺苷酸环化酶

E.TXA₂和PGI₂在血小板和血管的相互作用中生理作用相反

Miss Lovely began to work in our office last year. She thought she was__1__and hardly talked with us. Her house was a little far from our company and she had to go to work __2__ every day.

Of course, she had to spend a lot of __3__on this. She decided to have her own car, and began to __4__how to drive two months ago. Now she was able to drive, but had to__5__a licence before she could buy a car. It took her a week to__6__the traffic regulations. She was sure she would__7__the examinations.

It was finally time for her to take the examinations yesterday. Miss Lovely didn't come to work. We__8__she would drive her new car to our company this morning. But to our__9__she came here by taxi and didn't tell anybody about it. None of us asked her the__10__but her face clearly showed she had__11__in the exams.

This afternoon one of our workmates told us __12__had happened to the girl when she was__13__. Yesterday the chief examiner had asked her some questions, but she could answer only a __14__. For example, "Would you run over a man or a dog if you see them both in the middle of the__15__?"

"Of course I'd run over the dog, sir", Miss Lovely answered without __16__.

"I'm sorry to tell you, Miss Lovely," the examiner shook his__17__and said, "you have to take the examination again!"

"I don't think my answers were__18__, sir," the girl said in a hurry. "I__19__ run over a man, you know!"

"I agree with your__20__, Miss Lovely," the chief examiner said with a smile. "but why not brake (刹车)?"

1. A. old        B. foolish        C. clever         D. kind

2. A. by taxi      B. by train       C. on foot        D. by plane

3. A. time        B. money        C. energy        D. room

4. A. teach       B. plan          C. operate        D. learn

5. A. find       B. apply for      C. look for       D. make

6. A. learn       B. forget         C. teach         D. break

7. A. take        B. prepare       C. explain        D. pass

8. A. suggested   B. described      C. thought       D. replied

9. A. surprise    B. joy           C. anger        D. pleasure

10. A. name      B. reason        C. rule          D. notice

11. A. believed    B. heard         C. found        D. failed

12. A. why       B. how          C. what         D. when

13. A. ill         B. alone         C. in           D. out

14. A. few        B. several       C. all           D. lot

15. A. room      B. playground    C. hospital       D. road

16. A. asking     B. thinking       C. discussing    D. advising

17. A. foot       B. nose         C. ears         D. head

18. A. wrong     B. correct        C. right         D. true

19. A. can       B. need          C. can't         D. needn't

20. A. car       B. opinion        C. fact         D. purpose

乙是A市的建材经销商，因资金周转困难，便从A市甲处借了50万元人民币，购买了一批建材，并销售给了B市的丙，约定价款为60万元人民币，但丙未付款。乙与丙约定的合同履行地在A市。后来，甲要求乙还钱，乙说因为丙没有支付货款，所以无力偿还。鉴于此，甲欲直接起诉丙，要求其支付50万元。请回答以下问题。

在代位权诉讼中，关于债权人、债务人、次债务人三方的关系，下列何种说法是正确的？（）

A．次债务人对债务人的抗辩可以向债权人主张 

B．债务人对债权人的债权提出异议，经审查成立的，人民法院应当裁定驳回债权人的起诉 

C．债权人胜诉的，诉讼费用由次债务人负担 

D．债权人请求人民法院对次债务人的财产采取保全措施的，应当提供相应的财产担保

某小区打算搞一个再就业一条街，但是当地居民反映怕“脏、乱、差”，领导委派你去负责做居民的工作，你如何开展

陶俑作为随葬品，始出现于（）时期。

A.商周

B.春秋

C.战国