28．In our ______,anyone ______ breaks the law should be punished．

　　 A．opinions; that　　　　　　　　　 B．opinions; who　　　　　　　　 C．opinion; he　 D．opinion; who

27．Even on a cold day he prefers ______ out to play football ______at home．

　　 A．going; rather stay　　　　　　　　　　　　　　　　 B．going; to staying

　　 C．to go; rather than staying　　　 D．to do; rather than to stay

26．It was in the lab____ was taken charge of by Professor Zhang ___ they did the experiment．

　　 A．where, that　 　　　　　　　　 B．which, where C．that, where　 D．which, that

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.

9.(12分)随着科学技术的发展，人们可以根据需求来改造生物的性状。如图是利用奶牛乳汁生产人类血清白蛋白的图解，据图回答：

(1)在此过程中涉及到的细胞水平现代生物技术手段主要有_______________________。

(2)在基因工程中，我们称②为________，在②进入③之前要用________等工具来构建基因表达载体，能实现②进入③的常用方法是________________。

(3)图中①一般经________处理可以得到③，从③到④的过程中一般利用去核后未受精的卵细胞作为受体，而不用普通的体细胞。

(4)下列A-D中表示④到⑤过程中正确的操作方法的是________，把⑤送入⑥的最佳时期是________。

(5)如果②的数量太少，常用________来扩增。要实现⑦批量生产血清白蛋白，则要求③的性染色体是________，利用该方法得到的动物叫做____________。

(6)用这种方法生产药物与工厂化生产药物相比，前者的优越性在于______________。

(7)⑦和某些转基因羊可通过分泌乳汁来生产人类所需药物，这类转基因动物被称为________。

③紫外线照射：将a、b、c三份已接种的培养基置于紫外灯正下方10cm处照射3min，然后立即用铝箔纸包住培养皿，与d、e、f三份已接种的培养基一起放入37℃恒温培养箱中培养。

④24h后，取出培养皿，观察、计数。

实验结果：

讨论：