25．-The railway station, please．I have to be there in ten minutes．

　　 -______,but I’ll do my best．

　　 A．No problem　　 B．OK　　 C．I can’t promise　 D．I can’t do that

24．-Is it for two months ______ they have stayed here?

　　 -No, it is only three weeks ______they arrived here．

　　 A．that; since　 B．that; when　　　 C. when; that　 D．since; before

23．-I really appreciate______ time to relax．

　　 -I don’t doubt ______ able to do so．

　　 A．to have; you to be　　　　　　　　　　　　　　　　 B．having; that you being

C．to have; you are　　　　　　　　　　　　　　　　　 D．having; that you are

22．When I was at college I ______　 three foreign languages, but I ______　 all except a few words of each．

　　 A．spoke; had forgotten　　　　　　 B．spoke; have forgotten

　　 C．had spoken; had forgotten　　　　 D．had spoken; have forgotten

第一节：单项填空(共15小题；每小题1分，满分15分)

21．-Would you mind giving your advice on how to improve our business management?

　　 -If you make ___ most of the equipment, there will be ___ rise in production．

　　 A．不填；不填　　 B．the；a　　 C．不填；a　 D．the；不填

第一节(共5小题；每小题1．5分，满分7．5分)

　　 请听下面5段对话，选出最佳选项。

请听第7段材料，回答第9至11题。　　　　　　　　　　　

9．What’s the probable relationship between the two speakers?

　 A. Teacher and student . B. shop assistant and customer. C．Husband and wife．

10．On which channel is the baseball game on?

　 A．Channel 2．　　　　　 B．Channel 6.　　　　　　 C. Channel 8

11．What does the woman agree to see at last?

　 A．The baseball match.　 B. A western film.　　　　　 C. An American film.

请听第8段材料，回答第12至14题　　　　　　　　　　　　

12．Why does the woman feel happy now?

　 A．She has got a good job.　　 B．She is going home soon．

C．She has bought a beautiful house．

13．Where is the woman probably now?

　 A. In the USA.　　　　　 B. In China.　　　　　　　 C. In England.

14．Which of the following does the woman not like according to the conversation?

　 A．Wet weather．　　　 B．Schools．　　　　　　 C. Libraries

请听第9段材料，回答第15至17题。

15．What are the two speakers talking about?

　 A. How to become a millionaire. B. How to spend money. C. Collecting stamps

16．How much does the man spend on stamps a year?

　 A．50 yuan.　　　　　　　　 B. 180 yuan..　　　　　 C.600 yuan.

17．What can we know about the man?

　 A. He doesn’t like the stamps his father gave him.

　 B. He has made many friends by collecting stamps.

　 C. He has traveled to many places.

请听第10段材料，回答第18至20题。

18．What percentage of American workers were farmers two hundred years ago?

　 A．85%.　　　　　　　　 B.95%.　　　　　　　　 C. 92%.

19．Why is agriculture still America’s biggest industry now?

　 A．95% of American are farmers.　　　　 B. It employs more workers than any other industry and products much more food.

　C. The US consumes the most agricultural goods in the world.

20．Why can American farmers produce more today than before?

　 A．The weather and soil are getting better than before.

　 B. They want to sell more goods abroad.

C. They use modern farming and business methods.

22．已知函数.

(1)求的最小值；

(2)若对所有都有，求实数的取值范围.

(3)若不等式R时恒成立，

求m的取值范围。

21．已知数列{a_n}的前n项和为S_n，并且满足a₁＝2,na_n+1＝S_n+n(n+1).

　 (1)求数列及前n项和为S_n；

　 (2)设

(3)设，如果对一切正整数n都有恒成立，求t的最小值。

20．已知函数，

(1)若函数图象的两相邻对称轴间的距离为，且它的图象过点，

求函数的表达式；

(2)将(Ⅰ)中的函数的图象向右平移个单位后，再将得到的图象上各点的横坐标伸长到原来的4倍，纵坐标不变，得到函数的图象，求函数的单调递增区间；

(3)若的图象在上至少出现一个最高点或最低点，则正整数的最小值为多少？

17.已知 的值域为集合A，定义域为集合B，其中．

(1)当，求；

　(2)设全集为R，若，求实数m的取值范围．