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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

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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

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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

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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

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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.

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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:

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8.(10分)下图是某农业生态工程的结构模式图。请据图回答:

 

(1)利用植物秸杆生产燃料酒精的过程中,B阶段需要的菌种是      ;在生产酒精时除图中所示的条件外,还必需要保持     状态;完成A过程必需的酶是       ;从以下哪些微生物中可以提取上述酶?   

A.酿制果醋的醋酸菌       B.生长在腐木上的霉菌

C.制作酸奶的乳酸菌       D.生产味精的谷氨酸棒状杆菌

(2)蘑菇在该生态系统成分中属于     。如上图所示,在农业生产上,将蘑菇与蔬菜大棚相通,可提高蔬菜产量。试分析增产原因:                    

(3)虫害是影响水稻产量的一个重要因素,近年来研究工作者在防治稻田虫害方面作了如下尝试:构建稻一萍一鱼生态子系统。请画出稻一萍一鱼生态系统的能量流动图(不考虑与人的联系)。    

(4)该农业生态工程中包含了                     两种生态工程原理。

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7.(7分)下图是某生物细胞(局部)和细胞中某结构的亚显微结构模式图,据图回答:

   

(1)图乙中A所示的这类物质在生物膜上可能具有的功能是      (多选)

   A.作为载体蛋白,起物质运输作用   B.作为酶,催化发生在膜上的化学反应

   C.作为受体,接受相应的化学信息   D.作为抗原,被免疫细胞识别

(2)若甲图要表示豌豆根尖的成熟区(根毛区)表皮细胞,则图中不应该存在的结构是    ,而应添加的结构有        

(3)若图甲细胞的分泌物是抗体,则该细胞可直接由        细胞增殖分化而来。

(4)若图甲所示的细胞进入衰老状态,图甲中会发生变化的结构有         。(至少答两种)

(5)若图乙代表线粒体膜的一部分,则在细胞作用过程中b代表的物质是         

(6)若图乙代表神经细胞细胞膜的一部分,则静息时D侧的膜电位为     电位。

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6.右图甲示某种植物光合作用强度与光照强度的关系,图乙示该植物叶肉细胞的部分结构(图中M和N代表两种气体),据图判断,下列说法正确的是(注:不考虑无氧呼吸)

A.甲图中的纵坐标数值即为乙图中的m4

B.甲图中c点时,乙图中有m1 = n1= m4= n4

C.甲图中e点以后,乙图中n4不再增加,其主要原因是m1值太低

D.甲图中a、b、c、d、e任意一点,乙图中都有m1= n1>0,m2=n2>0

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5.右图表示植物细胞内的代谢过程,下列叙述正确的是  

(1)X、Y物质分别代表三碳化合物和丙酮酸 

(2)①、④过程消耗[H],②过程产生[H]

(3)①过程发生在线粒体基质中,②过程发生在叶绿体基质中

(4)①、②、③、④四个过程中既没有消耗氧气,也没有产生氧气

A.(1)(2)     B.(1)(4)    C.(2)(3)     D.(3)(4)

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