23. --- It’s getting late. I’m afraid I must be going now.
--- OK. ___________.
A. Take it easy B. Go slowly C. Stay longer D. See you
22. The patient was warned ___________ oily food after the operation.
A. to eat not B. eating not C. not to eat D. not eating
21. I don’t think _________ possible to master a foreign language without much memory work.
A. this B. that C. it D. its
6. Where will the performance be held?
A. At the Moon Theatre. B. At the Youth Square. C. In the woman’s school.
7. What is the performance for?
A. Celebrating Christmas.
B. Repairing the Youth Square.
C. Collecting money for poor students.
听第7段材料,回答第8-10小题。
8. What do we know about the boy?
A. He went to the supermarket yesterday.
B. He left his exercise book at home.
C. He often forgets to hand in his exercise book.
9. What does the woman think of the boy?
A. He is dishonest. B. He is bright. C. He is honest.
10. What is the probable relationship between the speakers?
A. Mother and son. B. Sister and brother. C. Teacher and student.
听第8段材料,回答第10-13小题。
11.Where does the man often shop?
A. In stores. B. From TV. C. On the Internet.
12. How much will the man save if he buys the cell phone on the Internet?
A. $300 B.$900 C. $1,200
13. What does the woman probably think of paying by credit card on the Internet?
A. It is popular. B. It is not safe. C. It is convenient
听第9段材料,回答第14-17小题。
14. What is the probable relationship between the speakers?
A. Old schoolmates B. Old colleagues. C. Old neighbors.
15. What is the woman’s problem?
A. She is afraid of taking an elevator
B. She is afraid of spiders
C. She failed her job interview
16. How did the woman overcome her problem?
A. By taking some medicine
B. By seeing a doctor
C. By taking a class
17. What does the woman suggest the man do?
A. Find another job
B. Get accustomed to taking an elevator.
C. Talk with Mr. Black about his problem again.
听第10段材料,回答第18-20小题。
18. What is the speaker mainly talking about?
A. A rebuilt house. B. A TV programme. C. A team of builders.
19. What will the family do when the builders rebuild their house?
A. Go on a vacation
B. Help the builders with the work
C. Continue their routine (常规) work
20. How long will the whole project last normally?
A. For about one week
B. For about one month
C. For about four months
1. What is the relationship between Miss Brown and Harry Hill?
A. Workmates. B. Husband and wife. C. Teacher and student.
2. What does the woman dislike about McDonald?
A. The service. B. The unhealthy food. C. The noisy environment.
3. What are the speakers probably talking about?
A. Buying a house. B. Finding a hotel. C. Renting a house.
4. What will the woman probably do?
A. Leave. B. Sit down C. Remain standing.
5. What does the man want to do?
A. Go out B. Stay in bed. C. Go to work.
34.据研究发现某些植物由于基因突变,导致其某种基因型的花粉粒出现不育(花粉粒死亡)的现象。某种雌雄异株的草本经济植物,其叶型有宽叶和窄叶两种类型,这是由一对基因(B和b)控制的。现有一系列杂交实验,结果如表:
杂交(组) |
亲代 |
子代 |
||
雌 |
雄 |
雌 |
雄 |
|
1 |
宽叶 |
窄叶 |
无 |
全部宽叶 |
2 |
__________ |
___________ |
无 |
1/2宽叶、1/2窄叶 |
3 |
宽叶 |
宽叶 |
全部宽叶 |
1/2宽叶、1/2窄叶 |
请分析回答下列问题:
(1)控制该植物的基因在_________染色体上,宽叶为___________性性状。
(2)第1组和第2组杂交实验的子代都没有雌性植株,可能的原因是________配子(写出基因型)是不育的。(3)请写出第2组亲代的基因型:______________。
(4)若让第3组子代的宽叶雌株与宽叶雄株杂交,预测其后代的宽叶与窄叶的比例为___________。
(5)在一个自然种群中,该植物的雌、雄个体中花色皆有白色和黄色两种类型,这是由另一对基因(A和a)控制的。已知黄色对白色显性,请设计一个杂交组合,根据其子代情况判断基因在染色体上的位置。
杂交组合类型:____________;实验预测及结论:
如果子代__________,则控制花色的基因在常染色体上。
如果子代__________,则控制花色的基因在性染色体X上。
5月月考答案
33.下图是人体内某些免疫细胞的分化和免疫过程,数字表示过程,字母表示细胞。请分析回答。
(1)造血干细胞形成各种血细胞需要经历细胞_________和________过程。图中b指的是成熟的____________细胞。
(2)图中a是__________细胞。在①过程中,a细胞发挥的作用是___________抗原,形成___________,并呈递在细胞表面。
(3)图中③④⑥过程属于_________免疫。与③过程相比,④过程的应答反应特点是__________。
(4)c细胞识别抗原而被致敏,它需要活化的b细胞分泌__________,促进其分裂分化产生___________和___________。
32.细胞分裂是生物体一项重要的生命活动,是生物体生长、发育、繁殖和遗传的基础。
请根据下图回答相关问题:
(1)若图①是某单倍体植物的体细胞,该细胞的分裂方式是____________,该细胞所代表的植株常采用____________的方法来获得。
(2)若图②为某高等雄性动物睾丸里的一个正在分裂的细胞,A、a、B、b分别代表基因。图②产生的子细胞的基因型为_________,图②对应于图④中的___________段,若该动物睾丸中出现基因型为AABB的细胞,则该细胞的名称为______________。
(3)若图③是某高等雌性动物体内的一个细胞,它的名称是____________,在分裂形成此细胞的过程中,细胞内可形成__________个四分体。
(4)当细胞分裂处于图④中CD段时期,细胞内染色体数量的变化情况是________。
31.I.下图一表示绿色植物叶肉细胞内发生的光合作用和有氧呼吸的过程,其中 a、b 为光合作用的原料,①-④表示相关过程。图二、图三表示外界相关条件对植物光合作用和呼吸作用的影响。请据图回答:
(1)图一中①②过程进行的场所分别是_______、__________(写出细胞器名称)
(2)如果在图二的乙点突然停止光照,胞内酸的含量将________。若将植物移到缺镁的培养液中培养,则图二中乙点将向__________(填“左”或“右”)移动;
(3)图三中,真光合速率= 表观光合速率 + 呼吸速率。40℃时植物体_______(填“能“不能”)显示生长现象;而 5℃时的状态可用图二中__________点表示。
(4)用大棚种植蔬菜时,白天最好控制光强为图二中的丁点对应的光照强度,温度为图三中的__________℃时最佳。
Ⅱ.生物兴趣小组用黑藻进行光合作用的实验,他们将黑藻浸在加有适宜培养液的大试管中(室温20℃),可观察到光下黑藻放出气泡。他们以节能灯作为光源,移动节能灯使之与大试管的距离不同,结果如图1中曲线1,请回答:
(1)该实验研究的是________因素对光合速率的影响,衡量光合速率的指标可用_____ ___。
(2)该小组在室温10℃和30℃时分别进行了实验,结果如曲线2和3,D点光合速率的限制因素是_____________。
(3)该小组分离出黑藻中的叶绿体(见图2叶绿体的模式图)并放置在适宜条件下培养,在图中b上发生的能量转换过程为____________,由C转移至b的物质主要是___________和__________。
30.遗传信息、密码子、RNA聚合酶结合位点分别位于
A.DNA、mRNA、DNA B.DNA、tRNA、DNA
C.DNA、tRNA、mRNA D.mRNA、RNA、DNA
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