3．是建立和完善社会主义市场经济体制的客观要求。社会保障制度是社会主义市场经济的重要支柱。我国的社会保障制度日趋完善，是深化国企改革，充分发挥市场作用的重要条件；是增强企业活力的客观要求；是维护劳动者合法权益，实现社会稳定的根本性措施。

2．是全面建设小康社会的必然要求。就业和社会保障牵动着千家万户，涉及每个劳动者的切身利益，扩大就业和社会保障覆盖范围，使劳动者获得一份有收入的工作，使他们生活有保障，并逐步提高生活水平，关系到实现全面建设小康社会的宏伟目标。

1．社会主义的本质。稳定和扩大就业，完善社会保障体系，不断提高人民群众的生活水平，是贯彻落实科学发展观的要求，是维护改革、发展、稳定大局，实现国家长治久安的重要措施，体现了社会主义制度的优越性和社会主义的本质要求。

30.　 You ___ the train if you ___ a little earlier.

　 A.　could take; started　　　 B.　 could have taken; had started

　 C.　could take; had started　 D.　 could have taken; started

答案: 1-5 B DCDC

　　 6-10 DBCCC

11-15 BDBBD

16-20 CBBDB

21-25 BBDAC　

25-30ADAB B

29.　 But for the leadership of our Party, we ___.

　 A.　shouldn’t succeed　 　B.　 could not have succeed　

C.　will not succeed　　 D.　 should not have succeeded

28.　 If I ___ the way to New York, I ___.

　 A.　knew; would drive　　 B.　 knew; will drive　

　C.　knew; would have drive D.　 had known; would drive

27.　 If I ___ so busy, I ___ the lecture that day.

　 A.　were not be； should attend　B.　 should not； should have attend

　 C.　was not； would attend　 　　D.　 had not been； would have attended

26.　 If he ___ here, he ___ you.　

　 A.　had been； would have helped　 C. would have been；should have helped

　 B. were；　 had helped　　　　　 D.　 would have been； would had helped

25.　 We ___ delighted if the report ___ true.

　 A. were；were　 B. shall be；were　 C. should be； were　 D. were； would be

24.　 If I ___ you, I ___ worry.

　 A. were； wouldn’t　B.was；wouldn’t　 C. been；would have　D. be； would