23._____at what he said, she asked him why he said so to her.
A.Amazing B.Amazed C.Having amazed D.Surprised
22.Soon , Mary _____ the shock and became calm again.
A.recovered B.recovered from C.affected D.covered from
第一节 单项填空 (共15小题;每小题1分,满分15分)
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.The children were surprised by the sudden _____ of their teacher.
A.enter B.entrance C.entry D.come
第二节(共15小题;每小题1.5分,满分22.5分)
请听下面5段.对话或独白,选出最佳选项。
请听第6段材料,回答第6、7题。
6.Why was Mike late?
A.He took a girl to the hospital.
B.He got up early.
C.He was caught in a traffic jam.
7.Where does the conversation take place?
A.In a classroom B.On the street C.In a hospital
请听第7段材料,回答第8至9题。
8.When did the woman decide to become a teacher?
A.When she was in primary school.
B.When she was in middle school.
C.When she was in university.
9.What does the man think of his history lesson?
A.Interesting B.Exciting C.Boring
请听第8段材料,回答第10至12题。
10.On which day does the man make the call?
A.On Monday B.On Tuesday C.On Wednesday
11.What kind of room does the man book ?
A.A single room
B.A double room with two beds
C.A double room with one bed.
12.How much will the man have to pay?
A.320 dollars B.400 dollars C.300 dollars.
请听第9段材料,回答第13至16题。
13.Why was it difficult for the two speakers to start their cars?
A.Because their cars were too old.
B.Because it was too cold outside.
C.Because there was something wrong with their cars.
14.How cold was it last night ?
A.It was 25 degrees below zero.
B.It was 20 degrees below zero.
C.It was 30 degrees below zero.
15.Where did the woman leave her car?
A.In the old garage. B.In the new garage. C.In the parking lot.
16.What will they probably do next?
A.Go to work together. B.Have a cup of coffee. C.Repair their cars.
请听第10段材料,回答第17至20题。
17.Where did the speaker swim?
A.In a swimming pool. B.In a river. C.In the sea.
18.With whom did the speaker swim together before the accident?
A.Her sister B.Her brother C.Her uncle
19.How old was the speaker when she learned how to swim?
A.Six years old. B.Five years old. C.Four years old
20.What happened to the speaker?
A.She nearly drowned.
B.She got lost.
C.She had a quarrel with her sister.
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。
1.What are they talking about?
A.A picture B.A lecture C.A teacher
2.How many pounds of fruit is there in the bag?
A.7 pounds B.5.5 pounds C.6.5 pounds
3.What are the speakers going to do ?
A.To start without Danny. B.To wait for Danny. C.To call Danny.
4.What's the program about ?
A.Pollution B.Safety C.Traffic
5.Why is the woman not in the mood?
A.Because the program is not interesting .
B.Because she has some work to do.
C.Because she is asked to turn off the TV.
51.(7分)请将下列实验名称与材料、试剂、用具的对应关系用连线表示,每项只准选择一次。
试验名称 材料、试剂、用具
探究淀粉酶对淀粉和蔗糖的作用 黑藻
细胞质流动的观察 斐林试剂
检测绿叶在光下产生了淀粉 碘液
叶绿体中色素的提取和分离 苏丹Ⅲ染液
观察植物细胞的有丝分裂 丙酮
脂肪的鉴定 龙胆紫溶液
比较过氧化氢酶和氯化铁的催化效率 新鲜的肝脏研磨液
51.(5分)我国西部资源开采过度,草原植被遭到破坏,生物多样性锐减,由此引起生态环境恶化。现在,保护生态环境,实现可持续发展,已经成为西部开发中面临的最紧迫、最艰巨的任务。图6示一个草原生态系统的营养结构,请据图回答问题。
![]()
(1)优良牧草与杂草、毒草之间的关系主要表现为__________________。由于人口压力,许多草原存在着超载放牧的现象,这种现象首先会导致_________________的减少,_______________的增加。若长期如此,草原将退化。
(2)在草→鼠→鹰这条食物链上,能量传递效率按10%计算,则消耗草5600克,鹰得到__________能量。
(3)生态系统具有一定的自动调节能力。草原生态系统与森林生态系统相比较,这种调节能力相对较小,原因是:__________________________________。
50.
(8分)分析右图所示家族遗传系谱图,回答有关问题:(甲病:显性基因为A,隐性基因为a;乙病:显性基因为B,隐性基因b)
(1)如Ⅱ3、Ⅱ8两者的家族均无乙病史,甲致病基因位于 染色体上,为 性遗传。乙病基因位于 染色体上,为 性遗传。
(2)则Ⅱ7基因型为 、Ⅲ11的基因型为 若Ⅲ10与一正常男子婚配,子女同时患两种病概率为 ,患病概率为 。
49.(14分)分析下列图表,回答有关问题:
![]()
(1)图中B是_________,F是____________,G糖具体名称是__________。
(2)F有 种,分别是___________、 、
和 。(用文字回答)
(3)从分子水平看,D与C的关系是_________________________________。
(4)C的基本组成单位是图中的____________。D的主要载体是图中的
________,除此之外,__________和__________也是D由亲代传递给子代的载体。
(5)遗传信息是指___________中的排列顺序。
48.(7分)根据以下图例,回答有关问题
图例
(1)写出①②③的生理过程名称:①__________;②__________;③__________。
(2)按同化作用的方式不同,进行①或②代谢活动的生物叫做_________________生物。
(3)乳酸菌进行上述④过程习惯称为____________________,人能进行的上述生理过程包括______________。(写序号)
(4)能量A来自____________________。
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