23. - Which team do you think will win the match?
- _________ that ours will.
A. No wonder B. No doubt C. Of course D. After all
22. Before the sales start, I make a list of _____ my kids will need for the coming season.
A. why B. what C. how D. which
第一节 单项填空(共15小题；每小题1分，满分15分)
21．-Hey , Mr．Smith , you are wanted on phone ．
-Who is calling ?
- Mr．Green．I don’t know he is．
A．不填；A B．the ；不填 C．the ; A D．不填；不填
第二节(共15小题；每小题1.5分，满分22.5分)
听第6段材料，回答第6至8题。
6. What is the relationship between Mrs. Black and the man?
A. Host and guest. B. Teacher and student. C. Mother and son.
7. What was the weather like when they had the picnic?
A. Terrible. B. Rainy. C. Lovely.
8. Where did they have the picnic?
A. Just outside their house. B. In the mountains. C. On an island.
听第7段材料，回答第9至11题。
9. What are the two speakers talking about?
A. A part-time job. B. A computer lesson. C. A summer holiday plan.
10. How did the man get this information?
A. He asked the computer center. C. He received an e-mail.
11. What does the woman think of herself?
A. She knows little about computers.
B. She doesn’t have much experience. C. She has little interest in the Internet.
听第8段材料，回答第12至14题。
12. What is Jenny’s problem?
A. She always forgets to pass on important messages.
B. She always want others to help her with her work.
C. She does not know how to study.
13. Why does the man want to talk to Jenny?
A. Because he wants to help Jenny out of her problem.
B. Because he tries to persuade Jenny to have lunch with him.
C. Because he wants to know why Jenny has been too busy these day.
14. What is the woman probably going to do?
A. To talk to Jenny.
B. To have lunch with Jenny. C. To help Jenny with her work.
听第9段材料，回答第15至17题。
15. What is the woman speaker?
A. A newspaper reporter.
B. The boss of a fast food company. C. A market researcher.
16. According to the man, what is the advantage of fast food?
A. It’s convenient. B. It’s cheap. C. It’s delicious.
17. Why doesn’t the man eat at the fast food restaurant at weekends?
A. He doesn’t have to work. B. It’s too crowded there.
C. The restaurant isn’t open as long as usual.
听第10段材料，回答第18至20题。
18. What is the speaker trying to do?
A. To give people a lesson about music.
B. To tell the history of music. C. To help people to enjoy music.
19. What kind of music will they hear?
A. Rock music. B. The piano and the guitar.
C. The piano, the guitar and pop songs.
20. What will the speaker do in the program?
A. Tell the words of the songs. B. Talk about the music.
C. Play the piano and the guitar.
第一节(共5小题：每小题1.5分，满分7.5分)
1. What can we learn about the man?
A. He doesn’t want to go to Europe.
B. He doesn’t have enough money.
C. He doesn’t like taking a plane.
2. How long will it take the man to finish repairing the rice cooker?
A. At least 24 hours. B. Not more than one day. C. Tomorrow afternoon.
3. What is the lady’s shoe like?
A. It is a good fit. B. It is a bit big. C. It is a bit small.
4. Where does the conversation probably take place?
A. In the department of electrical appliances.
B. In a film studio. C. In a photo studio.
5. What do the speakers plan to do tomorrow?
A. Have a picnic. B. Go camping. C. Visit the weather station.
45、(10分)
(1)没有气体进出 (2)相等 0
(3) ADP从叶绿体基质移向叶绿体囊状结构薄膜、
(4)光照强度、 二氧化碳浓度、
(5)低、 高、 。
(6)ATP、酶 、 气孔关闭，二氧化碳吸收量减少、
45．(10分)下列的图都与植物光合作用有关，图1表示A、B两种植物光合作用效率随光照强度改变的变化曲线；图2表示将A植物放在不同浓度CO2环境条件下，光合效率受光照影响的变化曲线：图3代表植物的一个叶肉细胞及其相关生理过程示意图。请据图回答：
(1)图1中在a点时，气体进出叶绿体的状况是 ．
(2)图l中在b点时，说出此时气体P与气体Q的数量关系 ,气体g与h的数量为 。
(3)图1中在c点时，说出结构M内ADP的流向
。
(4)图2中d点与e点相比光合速率受限制的因素是 ，e点与f点相比，光合速率受限制因素是 。
(5)图2中d点与e点相比，e点叶肉细胞中C3 ;e点与f点相比较，e点时叶肉细胞中C3 (填“高”、“低"、“基本一致”)。
(6)图3中，结构M与N可进行转录过程，除自身DNA和原料外，再写出直接参与该过程的两种有机物名称：_______________。在夏天中午时分，该植物细胞出现光合“午休”现象的原因是 。
(1)双缩脲试剂；稀蛋清；淀粉酶；葡萄糖；淀粉
(2)斐林试剂
(3)将淀粉溶液分别与发生显色反应的两种溶液混合，一段时间后，用斐林试剂分别处理上述两种混合液，观察到无颜色变化的溶液是稀蛋清溶液，出现砖红色的溶液是淀粉酶溶液。
44．(7分，每空1分，)
现有无标签的稀蛋清、葡萄糖、淀粉和淀粉酶溶液各一瓶，可用双缩脲试剂、斐林试剂和淀粉溶液将它们鉴定出来。请回答：
(1)用一种试剂将上述4种溶液区分为两组，这种试剂是 ，其中发生显色反应的一组是 和 溶液，不发生显色反应的一组是 和 溶液。
(2)用 试剂区分不发生显色反应的一组溶液。
(3)请简单写出区分发生显色反应一组溶液的方法及鉴定结果。
43．(5分)下图是细胞结构模式图。请据图回答下列问题：
(1)图甲、乙可能是下列哪种细胞？( )
A.玉米的叶肉细胞 B.酵母菌 C.蓝藻 D.洋葱根的分生区
(2)图丙中动物细胞吸水膨胀时，A的厚度变小，说明A具有 。
(3)图丙能将分泌物从细胞内排出到细胞外，体现了其具有的功是 。
(4)细胞作为一个生命系统，其内部的各种结构及其功能既相对独立又彼此联系。若图甲是某哺乳动物的乳腺细胞，用35S标记一定量的氨基酸，来培养乳腺细胞，测得内质网、核糖体、高尔基体上放射性强度的变化曲线如图丁所示，以及在此过程中高尔基体、细胞膜、内质网膜面积的变化曲线如图戊所示。请结合图示回答下列问题。
①丁图中的a、b、c曲线所指代的细胞器依次分别是： -
②戊图中的d、e、f曲线所指代的生物膜所属的细胞结构依次分别是： ．
41、(12分)下图为某生物体细胞有丝分裂某个时期的示意图，请据图回答。
( 1 )该图表示的是________细胞进行有丝分裂的_______期，判断的依据是该细胞由______发出_______ 形成纺锤体，而且________排列在赤道板上。
( 2 )该细胞有染色体_______条， 1 和 2 是______，因此 1 和 2 所携带的遗传物质________(填“相同”或“不同”)。
( 3 )该时期的上一个时期发生的主要变化是____________________________。
( 4 )该细胞继续分裂，产生的每个细胞中，有染色体____对；染色体____条；DNA____个。
42 、(6分)下图是连续分裂的细胞在不同时期 DNA 含量的测定结果。请据图回答：
[来
( 1 )一个完整的细胞周期是_______________(用字母表示)。
( 2 )核膜逐渐解体，核仁逐渐消失是在______________段。
( 3 )着丝点分裂，两条染色单体分开是在____________________段。
( 4 ) cd 段染色体的变化特点是______________________。
( 5 ) ab 段表示细胞内的主要变化是______________________。
( 6 )从图中可见，母细胞和子细胞中 DNA 的含量是稳定的，其意义是__________________。
(10分)下列的图都与植物光合作用有关，图1表示A、B两种植物光合作用效率随光照强度改变的变化曲线；图2表示将A植物放在不同浓度CO2环境条件下，光合效率受光照影响的变化曲线：图3代表植物的一个叶肉细胞及其相关生理过程示意图。请据图回答：
(1)双缩脲试剂；稀蛋清；淀粉酶；葡萄糖；淀粉
。
)该图表示的是________细胞进行有丝分裂的_______期，判断的依据是该细胞由______发出_______ 形成纺锤体，而且________排列在赤道板上。 
、(6分)下图是连续分裂的细胞在不同时期 DNA 含量的测定结果。请据图回答： 
[来
_____(用字母表示)。