从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
21.--- Do you think we should accept that offer?
--- Yes, we should, for we such bad luck up till now, and time out.
A.have had; is running B.had; is running
C.have; has been run D.have had; has been run
1.Which city are the speakers talking about?
A.Cardiff. B.Edinburgh. C.Manchester.
2.What do we know about the man’s vacation?
A.There were many flies and mosquitoes.
B.It is better than the previous one.
C.It didn’t rain most of the time there.
3.How does the man go to work every day?
A.By car. B.By bus. C.On foot.
4.What does the woman mean?
A.She forgot the deadline of her report.
B.The man should help her with her report.
C.She needs more time to finish her report.
5.What is the relationship between the two speakers?
A.Hostess and guest. B.Salesgirl customer. C.Waitress and guest.
6.What is the woman most probably?
A.She is a teacher. B.She is a manager. C.She is a headmaster
7.What are those students like?
A.Shy. B.Active. C.Hard – working.
8.Why does the woman have to go?
A.Because of the students
B.Because of her parents.
C.Because of the headmaster.
9.What does the woman want to buy?
A.A car. B.A boat. C.A motor bike.
10.What does the woman think of the model?
A.Comfortable. B.Expensive. C.small.
11.How does the man plan to spend the holiday this year?
A.To go to Egypt. B.To stay at home. C.To travel abroad alone.
12.What is the advantage of traveling by sea according to the woman?
A.One can have a safe journey.
B.One can enjoy the beautiful scene on the sea.
C.One can have a better rest during the voyage.
13.What is the main concern of Bob’s wife about a trip to Egypt?
A.How much a round – trip ticket will cost.
B.How long the trip will take.
C.Who is going to look after everything at home.
14.What’s the possible relationship between the two speakers?
A.Husband wife. B.Customer and waiter. C.Friends.
15.What are the speakers doing?
A.Having a meeting. B.Waiting for others. C.Making a complaint.
16.Why hasn’t Patrick come?
A.He got up late. B.His wife was ill. C.He has gone to New York.
17.Where probably is Samson now?
A.On his way. B.In his friend’s. C.In a hospital.
18.When does the speaker give this report?
A.Before the flight. B.During the flight. C.After the flight.
19.What does the speaker ask the passengers to do?
A.Remain seated. B.Check their luggage. C.Fasten their seat belts
20.What is the flying altitude?
A.35,000 feet. B.40,000 feet. C.45,000 feet.
54.小王发现黑暗中生长的大豆幼苗比阳光下生长的大豆幼苗高得多。请设计一个实验方案,探究不同光照强度对大豆植株高度的影响,并预测实验结果。
实验材料和用具:大豆种子(200粒)、光照培养箱(光照强度范围0-10000Lux,温度、湿度等均可自行设定)、培养皿、直尺等。
(1)实验方案:
(2)请设计实验记录表格:
(3)实验结果预测(提示:请根据题目的实际情况):
53.(13分)下图A、B所示细胞通讯方式为人体内常见的两种方式,C、D表示不同的信号分子对靶细胞作用的方式。
请据图回答问题:
(1)在人体内图A所示过程中的信号分子最可能的名称为 。
(2)如果图A过程表示的是胰岛素分子对机体的作用过程,那么参与胰岛素合成与分泌的细胞器肯定有 。那么胰岛素分子主要通过[1] 运输到达所作用的靶细胞,主要的靶细胞有 。(不得少于两种)
(3)下列物质属于信号分子,并能与细胞内某些物质选择性识别和结合的是 ( )
A.唾液淀粉酶 B.性激素
C.生长激素 D.呼吸氧化酶
(4)如果图B所示的靶细胞为人体唾液腺细胞,那么从神经调节方式的组成结构来看,[2]应该属于 。(填反射弧的结构)
(5)若图A所示的细胞是浆细胞,则它分泌的信息分子是 ,参与
免疫。它分泌的信息分子对靶细胞作用的方式是 (填C或D)
52.下图是某化合物的结构简图,据图回答:(10分)
(1)此化合物的名称是_______。该图中,①为 。
(2)图中④的名称是_________;图中表示R基的代号是__________________。
(3)形成该化合物的生物化学反应叫做______,合成此肽链的细胞器是 。形成该化合物时失去的水分子数与图中数字 所表示结构的数目是相同的。
(4)现要合成由100个氨基酸组成的蛋白质,由于氨基酸排列顺序不同而形成的蛋白质种类最多有 种。
51.(12分)下图为细胞内蛋白质合成与转运的示意图,请据图回答:
(1)结构①(核糖体)的组成单位在细胞核内形成后,进入细胞质结合在 上进行翻译。核糖体移动的方向是 (向左 向右)
(2)结构②合成的蛋白质进入③ 最后形成囊泡排出细胞外,此过程一共穿过 层磷脂分子层。能够大大增加细胞内膜面积的细胞器是 。
(3)若用放射性同位素示记U(尿嘧啶),一段时间后图中具有放射性的结构包括细胞质基质、 、 、 。
(4)细胞器③和细胞器④ 上的相关酶可以对蛋白质进行加工和再加工,比如加工成糖蛋白后 ,通过囊泡运输到细胞膜,再分泌到膜外,这一过程体现了生物膜的结构特点是 。
(5)在结构①上合成的蛋白质如 (填写一个具体例子)可以通过 进入到细胞核内。
50.下图表示旺盛地分泌肠液(含有我种消化酶)的小肠上皮细胞,
其中⑤为附着在内质网上的核糖体。下列与此相关的表,述中
不正确的是 ( )
A.转录多份相同的信使RNA才能保证细胞功能的实现
B.合成分泌过程经历的途径大致是⑤⑥④③②①
C.图中所示细胞不同结构的生物膜成分无差异
D.②将消化酶外排出小肠上皮细胞的方式是胞吐作用
第Ⅱ卷(非选择题,共50分)
49.下列关于用高倍观察人的口腔上皮细胞线粒体实验的说法,不正确的是 ( )
A.牙签消毒和实验前漱口都是为了保证该实验的准确性
B.制装片时在载玻片上滴一滴0.9%的NaCl溶液,目的是保持口腔上皮细胞的正常形
态
C.在高倍镜下观察可以看到活细胞的线粒体呈现蓝绿色,而细胞质接近无色
D.高倍镜下观察可以看到线粒体有2层膜组成
48.下列有关细胞结构和功能的叙述,正确的是 ( )
A.在植物细胞有丝分裂末期高尔基体参与细胞壁形成
B.在动物细胞有丝分裂间期能观察到纺锤体和中心体
C.分泌蛋白合成后在内质网和细胞质基质中加工
D.洋葱外表皮细胞紫色的花青素存在于叶绿体中
47.下列哪种物质的形成与内质网上的核糖体、高尔基体和线粒体都有关 ( )
A.血红蛋白 B.性激素 C.胃蛋白酶原 D.呼吸氧化酶
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