25.______________ that he was in great danger, Eric walked deeper into the forest.
A.Not realized B.Not to realize
C.Not realizing D.Not to have realized
24.A small plane crashed into a hillside five miles east of the city, __________ all four people
on board.
A.killed B.killing C.kills D.to kill
23.After a knock at the door, the child heard his mother’s voice ____________ him.
A.calling B.called C.being called D.to call
22.Not only I but also Brown and Kelly ___________ fond of rock music and computer games.
A.is B.are C.am D.be
第一节 单项选择(共20小题,每小题1分,满分20分)
请根据题意,从21-40各小题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。
21.The company had about 20 notebook computers but only one third _________ used regularly.
Now we have sixty working all day long.
A.is B.are C.was D.were
第二节 听取信息 (共5小题;每小题1分,满分5分)
听下面一段对话,请根据题目要求,从所听到的内容中获取必要的信息,填人答题卡标号为16-20的空格中。听录音前,你将有10秒钟的阅题时间,录音读两遍。你将有90秒钟的作答时间。
Both Dave and Maria are now
living in the same 16
____________________.Dave’s major is 17 _____________________ and now he is doing a 18 ___________________ job as a cook to pay for his tuition.He works 19 _________________. Maria changed majors from French to computer science because she found she might have difficulty finding a job 20 _________________. |
第一节 听力理解 (5段共15小题,每小题1分,满分15分)
每段播放两遍。各段后有几个小题,各段播放前每小题有5秒钟的阅题时间。请根据各段播放内容及其相关小题,在5秒钟内从题中所给的A、B、C项中,选出最佳选项,并在答题卡上将该项涂黑
听第1段材料,回答第l至3题。
1.The man feels bad because ________.
A.there’s something wrong with his back
B.he hasn’t found a job
C.he has nobody to talk to
2.It seems that the man regrets ________.
A.staying where he is now B.staying in the mountains C.not going out
3.Which of the following is not true?
A.The man enjoys seeing Andis Nanco.
B.Both the man and woman are likely to pay a visit to Puerto Rico.
C.The man speaks good Spanish.
听第2段材料,回答第4至6题。
4.The man didn’t ask a policeman for help because ________.
A.he parked his car in the wrong place
B.he didn’t know where he parked his car
C.he thought he could find his car himself
5.The man finally found his car ______.
A.by chance
B.with the help of a policeman
C.with the help of his friend
6.We can know from the passage that ________.
A.the man will never drive in crowded cities
B.the man is a stranger to the city
C.isn’t familiar with the place where his friend works
听第3段材料,回答第7至9题。
7.Which of the following is not the reason why the girl is not allowed to go to a movie?
A.going to work B.baby-sitting C.doing a project
8.The film will be shown ________ times on Saturday.
A.3 B.4 C.5
9.The girl will go to see the film at ________o’clock.
A.5 B.7:15 C.9
听第4段材料,回答第10至12题。
10.If Susan doesn’t go to the dentist on Saturday she will have to make a ________ appointment.
A.third B.fourth C.fifth
11.Susan will have _______ different things to do on Saturday.
A.4 B.5 C.6
12.It is likely that the boy and girl will ________.
A.take a walk down by the lake
B.go to a movie
C.play a game at home
听第5段材料,回答第13至15题。
13.Sometimes the man sleeps only about ________ hours.
A.3 B.5 C.7
14.Which of the following statements is not true of the man?
A.He usually works on the computer for an hour in the morning.
B.He has to walk a long way to work after getting off the bus.
C.He has a website of his own.
15.Before the man begins to work on his site he usually ________.
A.plays with his kids until they go to sleep
B.does some reading
C.spends some time watching TV or talking with his wife
45.(10分)下图中,甲图是一株盆栽植物(①②表示不同部位的芽,③④⑤⑥表示茎的不同部位,⑦⑧表示根的不同部位),乙图表示该植物不同器官对生长素浓度的反应。据图回答:(要求:用乙图根、芽、茎曲线上相应字母所对应的浓度来表示甲图相应各点的生长素浓度)
(1)乙图 点浓度可表示甲图①处生长素浓度。经观察②处无法长出侧枝,该点浓度可用乙图中 点表示,要使②正常生长发育,可采取的方法是 。
(2)将该植物较长时间置于右侧光照下,乙图 点浓度可表示④侧生长素浓度。此时,植物茎将 生长。
(3)将该植物向左侧放倒,水平放置一段时间,可表示⑧侧生长素浓度的是乙图中 点浓度,根将 生长。表示④侧浓度的是 点,因此茎将 生长。
(4)能够同时促进根、芽、茎生长的浓度范围是10-10 mol· L-1到 mol· L-1。
44.(10分)回答有关免疫问题。
(1)抗原的化学成分为__________ _。当_________ _细胞表面的抗原识别受体与抗原结合时,该细胞被活化、分化出的_________ _细胞,制造大量的抗体分泌到血液中。
(2)将一只A品系大鼠的皮肤小片移植
到另一只不同品系大鼠的背部,10
天后因_______________反应而脱落,
这是________ _细胞所起的作用。
(3)右图表示将抗原注射兔体内后抗体产
生量的变化。当注入抗原X,抗体产
生量的变化是曲线A。若第8天,同
时注射抗原Y和X,图中表示对抗原
Y的抗体产生量是曲线_____ _;
表示对抗原X的抗体产生量是曲线___ _,其特点是___________,这是因为初次免疫反应时产生的_____ _细胞的作用。若第8天不注射抗原X,则以后对抗原X的抗体产生量变化的是曲线_______ __。
43.(8分)下图为糖尿病患者和正常人在摄取葡萄糖后血糖含量的变化曲线。据图回答:
(1)糖尿病患者的曲线是 。
(2)造成AB段血糖升高生理活动主要是
____
__ 。
(3)在乙的血糖浓度变化中,实现BC段
的主要代谢途径 、
、转化为脂肪、
某些氨基酸等非糖物质等。能抑制BC
过程的激素是肾上腺素和
。
(4)曲线CD段表示乙处在饥饿状态时的
血糖浓度,此时维持血糖浓度相对稳
定的代谢途径主要是______ 。
(5)画图:假如在糖尿病患者摄取葡萄糖1h后,给他注射胰岛素,请在图中绘出他体内血糖含量的变化曲线(表示出大致趋势即可)
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