双鸭山一中高一英语3月月考
（时间：90分钟 总分：120分 Ⅰ卷交答题卡，Ⅱ卷交答题纸）
第一节(共5小题，每小题1.5分，满分7.5分)
听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你将有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍
1. Where is Tom going to finish his homework?
A. At home. B. In the classroom. C. In the library.
2. How does the man prefer to go to work?
A. By train. B. By car. C. By bus.
3. What’s the girl’s advice?
A. The boy should work harder. B. The boy shouldn’t work too hard.
C. The boy should make good use of the time.
4. What’s the man used to?
A. Wearing no hat in cold weather. B. Going out with a hat in cold weather.
C. Covering his head on a cold winter day.
5. When doesn’t the woman like to go to the zoo?
A. On Fridays. B. On Sundays. C. On Saturdays.
第二节(共15小题，每小题1.5分，满分22.5分)
听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。每段对话或独白读两遍。
听下面一段对话，回答第6至8题
6. Who sent a new camera to the man?
A. His mother. B. His uncle. C. His sister.
7. What did the man’s sister give him as a birthday present?
A. A blue tie. B. A wonderful picture. C. A new suit.
8. Where does Uncle Robert live?
A. In the man’s home. B. In New York. C. In the countryside.
听下面一段对话，回答第9至11题
9. How much did the woman’s package post cost?
A. $10.81 B. $
10. Which way did the woman choose to mail her package?
A. First class. B. A cheaper way. C. An expensive way.
11. Where does the woman mail her package to?
A. New York. B. Paris. C. Her hometown.
听下面一段对话，回答第12至14题
12. Who do you think the two speakers are?
A. An old American woman and an old Chinese man.
B. An older American woman and a younger Chinese man.
C. A younger American woman and an older Chinese man.
13. What’s the American woman’s attitude towards the position of women?
A. Women should work in the home, looking after children and doing housework.
B. Women should work outside the home and shouldn’t do any housework.
C. Women should work outside the home and share housework with men.
14. What can we learn about the two speakers from the conversation?
A. The woman agreed with the man in the end. B. They didn’t reach an agreement in the end.
C. The man finally changed his view.
听下面一段对话，回答第15至17题
15. What’s the probable relationship between the two speakers?
A. Classmates. B. Students from different colleges. C. Friends.
16. Where does the conversation most probably take place?
A. Near the college where the girl studies. B. In the shop where the boy works.
C. In the college where the girl studies.
17. How long does the girl spend in the college every day?
A. 9 hours. B. 7 hours. C. 6 hours.
听下面一段独白，回答第18至20题
18. When was Hemingway wounded?
A. During the Second World War. B. During the First World War. C. Between the two wars.
19. In which year did Hemingway receive the Nobel Prize for Literature?
A. 1954. B. 1952. C. 1945.
20. What’s Hemingway’s life like?
A. Hard. B. Active. C. Happy.
命题人
马丽丰
第一节 单项填空（共25小题；每小题1分，满分25分）
21. There is no _____ of rain today. It is not necessary for you to take your raincoat.
A. mark B. symbol C. sign D. message
22. Mary is a lucky girl and she is the only one of the students who______ been to Paris.
A. have B. has C. had D. is
23. The police ____ the murderer everywhere when he suddenly appeared in a theatre.
A. is searching for B. were searching for C. are searching for D. were searching
24. I think Beethoven is the greatest musician _____. What’s your opinion?
A. of all time B. at one time C. at the time D. ahead of time
25. Between the two rows of trees ____ the teaching building.
A.stand B.stands C.standing D.are
26. In this company, _____ given a new computer.
A. they each have B. each of them has C. they were each D. each they have
27. The temperature has risen _____28 degrees centigrade. It is quite hot ____ April.
A. to; for B. at; to C. to; on D. at; in
28. Tom was thinking about how to explain to the boss why he was late for work, when a good idea ______ him.
A. happened B. brought C. occurred D. struck
29. Jack was doing a lot of physical exercises to build up his _____.
A. force B. strength C. ability D. mind
30. You will ______ hospital if you drive so fast.
A. die up in B. end up with C. end up in D. turn up with
31. It was a pity that the great writer died _____ his work unfinished.
A. for B. of C., from D. with
32. Great efforts have been ______ to improve people’s living conditions in China in the past two years.
A. got B. won C. made D. did
33. I quite understand your opinion, but that doesn’t mean I______ it.
A. agree with B. agree to C. agree D. agree on
34. The fire was finally ______ after the building had ______ for two hours.
A. put off; caught fire B. put away; been on fire
C. put out; been on fire D. put out; caught fire
35. _____ that none of us could follow him.
A.He speaks so fast B.So fast he spoke
C.So fast does he speak D.So fast did he speak
36. In America, many people waste a lot of food _____ in Africa people haven’t enough to eat.
A. however B. although C. as D. while
37. All but one _______ take part in the conference ______ tomorrow.
A. is going to; that is to take place B. are going to; that is about to take place
C. are going to; that is to be taken place D. are going to; which is to be held
38. As a result of ______ trees, a large _____ of desert _____ covered the land.
A. cutting down; number; has B. cutting out; deal; have
C. cutting down; quantity; has D. cutting out; number; have
39. What is the way your brother thought of ______ the problem?
A. to work out B. working out C. having worked out D. being worked out
40. The hurricane left, ______ a lot of damage to this area.
A. caused B. to have caused C. to cause D. having caused
41. Jumping out of ______ airplane at ten thousand feet is quite ______ exciting experience.
A. an; an B. /; the C. /; an D. the; the
42. When I arrived at the village ______ I used to live, I found my old friends ______ a lot.
A. which; changed B. where; had changed C. which; had changed D. where; changed
43. ______ in a heavy rain，little Jim fell ill and couldn’t but ______ at home.
A. Caught; to stay B. Catching; stay C. Catching; to stay D. Caught; stay
44. Jane enjoyed herself so much ______ she visited her friends in Paris last month.
A. when B. that C. where D. which
45. They did everything they could to prevent the pollution ______ the river.
A. protecting B. to protect C. from being protected D. from protecting
第二节：完形填空（共20小题；每小题1.5分，满分30分）
Is the world really going mad? 46 day I was sittng in a restaurant
Nowadays air pollution is something that hardly question any more. However, I still can’t walk down the street in any of the big cities without 53 that people are 54 the air pollution. It is time for the government departments of the world to introduce emission(废气排放) controls on all cars and 55 the public transport system(公共交通体系) to encourage people to 56 their cars at home. A friend of mine takes flying lesson each morning and it really makes him 57 when he climbs above the smog layer(烟雾) and looks down 58_ it and thinks: “I’m breathing that!” This kind of 59 results from the bad management of resources. Waste things can 60 should be treated properly. House building, road 61 , and industrial development are all earthmoving(or earth-reducing) operations and can change the balances of 62 created over millions of years. I would like to 63 serious studies done on all these main works before they are built. Also, there should be 64 national parks set up to keep the most beautiful parts of our countries in their natural 65 .
46. A.The other B. Another C. Every D. Each
47. A.asking for B. drinking C. having D. buying
48. A.seemed B. struck C. sank D. showed
49. A.ago B. after C. before D. now
50. A.full B. filled C. crowed D. parked
51. A.promise B. help C. suggestion D. permission
52. A.standing B. sitting C. talking D. dying
53. A.thinking B. persuading C. deciding D. learning
54. A.suffering B. dying C. walking D. standing
55. A.increase B. reduce C. improve D. raise
56. A.wash B. repair C. drive D. leave
57. A. sick B. tired C. foolish D. excited
58. A.on B. at C. from D. for
59. A.discussion B. question C. pollution D. operation
60. A.but B. yet C. still D. and
61. A.work B. construction C. building D. setting
62. A.life B. mind C. human being D. plants
63. A.see B. start C. enjoy D. pay
64. A.few B. any C. more D. no
65. A.situation B. state C. soil D. place
第三部分:阅读理解(共15小题;每小题2分,满分30分)
A
A friend of mine named Paul received an expensive car from his brother as a Christmas present. On Christmas Eve when Paul came out of his office, a street urchin (顽童) was walking around the shinning car. “Is this your car, Paul?” he asked.
Paul answered, “Yes, my brother gave it to me for Christmas.” The boy was surprised, “You mean your brother gave it to you and it didn’t cost you anything. Boy, I wish …” He hesitated.
Of course Paul knew what he was going to wish for. He was going to wish he had a brother like that. But what the boy said surprised Paul greatly.
“I wish,” the boy went on, “that I could be a brother like that.” Paul looked at the boy in surprise, then he said again, “Would you like to take a ride in my car?”“Oh, yes, I’d love that.”
After a short ride, the boy turned and with his eyes shining, said, “Paul, would you mind driving in front of my house?”
Paul smiled a little. He thought he knew what the boy wanted. He wanted to show his neighbours that he could ride home in a big car. But Paul was wrong again. “Will you stop where those two steps are?” the boy asked.
He ran up to the steps. Then in a short while Paul heard him coming back, but he was not coming fast. He was carrying his little crippled (= disabled) brother. He sat him down on the steps and pointed to the car.
“There he is, Buddy, just like I told you upstairs. His brother gave it to him for Christmas and it didn’t cost him a cent. And some day I’m going to give you one just like it…Then you can see for yourself all the nice things in the Christmas window that I’ve been trying to tell you about.”
Paul got out and lifted the boy to the front seat of his car. The shining-eyed older brother climbed in beside him and the three of them began an unforgettable holiday ride.
66. From the story we can see the urchin _______.
A.wished to give his brother a car B. wanted Paul’s brother to give him a car
C. wished he could have a brother like Paul’s D. wished Paul could be a brother like that
67. The urchin asked Paul to stop his car in front of his house ____.
A. to show his neighbours the big car B. to show he had a rich friend
C. to let his brother ride in the car D. to tell his brother about his wish
68. We can infer from the story that ____.
A.Paul couldn’t understand the urchin B. the urchin had a deep love for his brother
C. the urchin wished to have a rich brother D. the urchin’s wish came true in the end
69. The best title of the story is ____.
A. A Christmas Present B. A Street Urchin
C. A Brother Like That D. An Unforgettable Holiday Ride
B
So you have been called for an interview―well done? Your effort has paid off. Now to get the job, you will feel better at the interview if you show an understanding of the nature of the organization.
Ask someone who already does it, or check it out with one of the advisers.
Ask a member of family or a friend to act as the employer and to give you an unreal interview. Be as realistic as possible, answer the questions seriously. Afterwards discuss how it went.
Think about how the employer would prefer to see you look. Remember---the majority of employers are over 30.
It is not wise to rush out and buy new clothes which will be worn for the first time at the interview. You’ll feel more at ease(自在) in a familiar dress.
Carelessness in any of these could cost you the job. Arrive at least 15 minutes before time. This will give you a chance to have a look around, read the notice board and get the feel of the place. Being late at interviews produces a bad impression. The first impression the interviewer gets of you is formed as you walk through the door, so take a couple of deep breaths.
Be ready to shake hands if the interviewer offers. Don’t take a seat until asked. Then sit comfortably.
Make eye contact when you are greeted and again if you shake hands, and during questioning. Eye contact is a form of non-verbal(非言语的) greeting.
Remember the interviewer’s name and use it from time to time.
Be ready for the question “is there anything you want to ask?” Before the interview you should get ready for two or three such questions. Look on these not just as a chance to get information but as a means to improve your prospects(前途) in the employer’s estimation(判断). Asking can show knowledge and avoid asking about holidays, pension(养老金) and so on. It looks as if you are tired even before you begin. You can check on these later, when the hoped-for job is offered.
And if you fail…, look upon the interview as an experience in itself. Learn from it.
We wish you good luck and good job hunting.
70. Before you go to see the employer, it is better for you to _______.
A. put on your newly-bought clothes. B. have your hair cut
C. buy some modern and beautiful ties, shoes, etc D. find a dress which you’ve got used to
71. To make a good impression, it is important for you ________.
A. to walk through the door quickly B. not to see the interviewer’s eyes
C. to sit down in front of the interviewer. D.To remember the interviewer’s name and use it sometimes
72. The underlined words “eye contact means ________.
A. looking at each other for a long time. B. a kind of greeting without any words
C. shaking hands with the employer again and again D. a way of getting a wonderful job
73. People usually do the following things before a job interview. Which is the right order for
doing them?
a. Asking a friend to give you an unreal interview
b. Understanding the nature of the organization
c. Paying attention to your clothes
d. Arriving at the place of the interview ahead of time
e. Getting some information from the advisers
A. a, e, b, c, d B. d, c, b, a, e C. b, e, a, c, d D . e, d, a, b, c
C
A year ago, I paid no attention to English idioms, though my teacher emphasized(强调) the importance again and again. But soon, the importance of English idioms was shown in an amusing experience.
One day, I happened to meet an Englishman on the road, and soon we began to talk. As I was talking about how I was studying English, the foreigner seemed to be astonished. Gently shaking his head and shrugging his shoulders, he said, “You don’t say!” “You don’t say!” I was puzzled. I thought, perhaps this is not a proper topic. “Well, I’d better change the topic.” So I said to him, “Well, shall we talk about the Great Wall? By the way, have you ever been there?” “Certainly, everyone back home will laugh at me if I leave China without seeing it. It was wonderful.” He was deep in thought when I began to talk like a tourist guide. “The Great Wall is one of the wonders in the world. We are very proud of it”. Soon I was interrupted again by his words：“You don’t say!” I couldn’t help asking, “Why do you ask me not to talk about it?” “Well, I didn’t request you to do so,” he answered, greatly surprised. I said, “Didn’t you say ‘you don’t say’?” Hearing this, the Englishman laughed to tears. He began to explain, “‘You don’t say’ actually means ‘really?’ It is an expression of surprise. Perhaps you don’t pay attention to English idioms.” Only then did I know I had made a fool of myself. Since then I have been more careful with idiomatic expressions.
Remember: what the English teachers said is always right to us students.
74. A year ago, I paid no attention to English idioms because _______ .
A. English idioms were not important B. I was not careful with English idioms
C. My teacher didn’t emphasize the importance of them D. I had no interest in them
75. At first, on hearing “You don’t say,” I thought the foreigner meant _______ .
A. he was not interested in the topic B. he was only interested in the Great Wall
C. I had talked too much D.I had to stop talking
76. Which of the following is true according to the passage?
A. The Englishman left China without seeing the Great Wall.
B. The Englishman wanted to see the Great Wall after I talked about it.
C. The Englishman wanted me to act as his guide.
D. The Englishman visited the Great Wall and thought it worth visiting.
77. After the Englishman explained the idiom, _______.
A.I thought the Englishman had made me a fool B. the Englishman became a real fool
C.I felt very silly D.I became more careful in everything
D
A man shot Martin Luther King in Atlanta on 4th April 1968. He drove a white Ford car. Who was he ? The police found ＂Harvey Lowmeyer's ＂gun and ＂John Willard's ＂shirt, and then the white car. It was ＂Eric Starvo Galt's＂ car. So what was this man's real name? The marks on the shirt and the car sent the F. B. I. to Los Angeles. 300 detectives questioned people. At last one found a photograph of ＂Galt＂. Then detectives in Atlanta found a fingerprint. It was on a map in ＂Galt’s＂room in a small hotel. One fingerprint was enough.
James Earl Ray's fingerprint was already on the F. B. I. cards. The police watched railway stations, hotels and airports. 3000 detectives were trying to find Ray---without success.
The Canadian police were helping, too. They looked at 240,000 photographs in their Passport Office. Then they found one of ＂Ramon George Sneyd＂. ＂We gave this man a passport last month,＂ they said. ＂He went to London on 2nd May. " The man was wearing thick glasses, but he looked like Ray. Then on 8th June, a detective at London Airport saw Sneyd's name on a passenger list.
It was the end of the biggest manhunt in history. The F. B. I. spent 1.4 million dollars, but they got their man.
78. The key of settling the case was probably the murderer's _______.
A. car B. fingerprint C. gun D. shirt
79. It took the police _______ to catch the murderer.
A. 65 days B. 8 weeks C. 2 months D. 2 years
80. Which of the following is NOT true?
A. Harvey Lowmeyer when he bought his gun B. John Willard when he paid for the car
C. Eric Starvo Galt when he lived in Los Angeles D. James Earl Ray when he came to Atlanta
第一节:短文改错（共10小题；每小题1分，满分10分）
此题要求改正所给短文中的错误。对标有题号的每行作出判断：如无错误，在该行右边横线上画一勾（√）；如有错误（每行只有一个错误），则安下列情况改正：
此行多一个词：把多余的词用斜线（\）划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号（^），在该行右边横线上写出该加的词。
此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
When my father bought me a computer as a birthday gift for 1. ___________
me in last year, I felt very excited. As we all know, computers 2. ___________
are getting more and more usefully now. Much information can 3.
___________
be stored in them. We can also learn that has lately happened 4. ___________
in the world on the Internet. In the past, people had to do lots of 5.
___________
work which was very dangerous. Now, but, computers can do it 6.
___________
instead. When an exam is coming, I often did some exercises 7. ___________
on my computer. Then it will correct it and tell me the right 8. ___________
answers. In this way it is very convenient for me to prepare 9. ___________
the exam than before. The computer has become my real friend. 10. ___________
第二节 书面表达（共1题，满分25分）
假定你是张峰，一家英文报社邀请你调查一下中学生对网络使用的情况，并依据调查写一篇报道。请根据下表提供的信息，对你的调查作简要介绍，发给报社。
主要用途
出现的问题
1、阅读国内外新闻，学习英语
2、发e-mail，欣赏音乐，看电影，玩游戏等
3、网上购物
1) 过多的在网上玩游戏，浪费了时间，影响了学业
2）浏览不健康信息，对身心有害
注意：1、词数：100左右 2、可适当增加细节，以使行文连贯
3、文章开头已给出
As we all know, the Internet is playing an important part in our daily life.
____________________________________________________________________________________________
______________________________________________________________________________
____________________________________________________________
高一英语答案
听力 1--5 CBBAB 6-10 BABCB 11-15 ABABC 16-20 ABBAB
单选 21-25 CBBAB 26-30 CADBC 31-35 DCACD 36-40 DDCAD
41-45 ABDAB
完形 46-50 ACBCB 51-55 DDAAC 56-60 DABCD 61-65 BAACB
阅读 66-69 ADBC 70-73 DDBC 74-77 BADC 78-80 BAB
改错 1. 去掉me 2. 去掉in 3. usefully― useful 4. that ―what
5. 正确 6. but―however 7.did―do 8.第二个it―them
9. very―more 10. the前加for
书面表达：
As we all know, the Interent is playing an important part in our daily life. We often read news at home and abroad and learn foreign languages by ourselves on the Internet. Sometimes we send e-mails to our families as well as our friends. Besides, we listen to music, enjoy films and play computer games on it. We can even do shopping without leaving our homes.
However, it has its disadvantages. Many students waste too much time playing computer games, which has a bad effect on their studies. What’s worse, the bad information on the Internet does great harm to them. I hope every student can make use of the Internet properly for their studies.
双鸭山一中高一化学3月月考
（时间：90分钟；总分：120分；只交答题纸。）
可能用到的相对原子质量：Zn 65 K 39 Cl 35.5 Fe 56 S 32 Al 27
第Ⅰ卷（选择题：共75分）
天津市河北区2009年高三年级总复习质量检测(一)
理科综合能力测试
理科综合能力测试分为物理、化学、生物三部分，共300分．考试用时150分钟。
物理、化学、生物三学科分别为120分、100分、80分，各学科试卷均分为第I卷和第
II卷两部分，物理学科1至8页．化学学科9至12页，生物学科13至16页。
祝各位考生考试顺利!
注意事项：
1．答第I卷前，考生务必将自己的姓名、准考证号、考试科目涂写在答题卡上，并在规定位置粘贴考试用条形码。
2．答各部分第I卷时，在每小题选出答案后，用铅笔把答题卡上对应题目的答案标号涂黑，如需改动，用橡皮擦干净厉，再选涂其它答案标号，答在试卷上的无效。
物理部分
第I卷
本卷共8题，每题6分．共48分。1――5题每题列出的四个选项中，只有一项是最
符合要求的。6――8题每题列出的四个选项中，有的只有一项是正确的，有的有多个选项是正确的．全部选对的得6分，选对但不全的得3分，有选错或不答的得0分。
1．下列叙述中符合物理学史实的是
A．伽利略通过理想斜面实验，得出力是维持物体运动原因的结论
B．贝可勒尔通过对天然放射性的研究，发现原子核是由质子和中子组成的
C．卢瑟福预言了中子的存在，查德威克通过原子核人工转交的实验发现了中子
D．牛顿通过实验求出了万有引力恒量，验证了万有引力定律
2．下列与能量有关的说法正确的是
A．比结合能越小，表示原子核中核子结合得越牢固，原子核越稳定
B. 根据玻尔理论，原子从高能态向低能态跃迁时放出的光子的能量等于前后两个能级之差
C．做平抛运动的物体在任意相等时间内动能的增量相同
D．在静电场中，电场线越密的地方正电荷的电势能一定越高
3. 一列简谐横波以%20理科综合.files/image002.gif)
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4.某人造地球卫星因受高空稀薄气体的阻力作用，绕地球运转的轨道会慢慢改变。每次
测最中卫星的运动可以近似看作圆周运动。某次测量卫星的轨道半径为%20理科综合.files/image006.gif)
，后来变为%20理科综合.files/image008.gif)
，
<。以%20理科综合.files/image010.gif)
表示卫星在这两个轨道上的动能， %20理科综合.files/image012.gif)
表示卫星在这两个轨道
上绕地球运动的周期，则
A %20理科综合.files/image014.gif)
,%20理科综合.files/image016.gif)
B ,%20理科综合.files/image018.gif)
C %20理科综合.files/image020.gif)
,
D ,
5．质量相同的两个带电粒子． %20理科综合.files/image022.gif)
以相同的速度沿垂直于电场方向射入两平行金属板
间的匀强电场中，不计带电粒子的重力．%20理科综合.files/image024.gif)
从两板正中央射入． %20理科综合.files/image026.gif)
从下板边缘处射入，
它们最后打在同一点，如图所示，则从开始射入至打到上板的过程中
%20理科综合.files/image028.jpg)
A．它们运动的时间关系为 %20理科综合.files/image030.gif)
B．它们的电势能减少鹫之比 %20理科综合.files/image032.gif)
C．它们的动能增量之比%20理科综合.files/image034.gif)
D．它们的动量增量之比%20理科综合.files/image036.gif)
6．物体恰能在一个斜面上沿斜面匀迷下滑，可以证明出此时斜面不受地面的摩擦力作用，若沿斜面方向用力向下推此物体，使物体加速下滑，则斜面受地面的摩擦力和支持力，下列%20理科综合.files/image038.jpg)
说法正确的是
A．斜面受地面的摩擦力人小为零
B．斜面受地面的摩擦力大小不为零．方向水平向左
C．斜面受地面的支持力人小不变
D．斜面受地面的支持力增大
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7．如图所示，小车内固定一光滑斜面，当小车在水平轨道上做匀变速直线运动时，小物块A恰好与斜面保持相对静止。在小车运动过程中的某时刻(此时小车速度不为零)，突然使小车迅速停止，则在小车迅速停止的过程中，小物块A可能
A．沿斜面滑下
B．沿斜面滑上去
C．仍与斜面保持相对静止
D．离开斜面做曲线运动
8．如图所示．在光滑绝缘水平面上，两个带等量正电的点电荷，分别固定在A、B
两点，O为AB连线的中点，CD为AB的垂直平分线。在CO之间的F点由静止释放一
个带负电的小球P(放入小球P后不会改变原来的电场分布)．在以后的一段时间内。P
在CD连线上做往复运动。下列说法正确的是
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A．小球尸的带电量缓慢减小，则它往复运动过程中振幅不断减小
B．小球P的带电量缓慢减小。则它往复运动过程中每次经过O点时的速率不断减小
C．点电荷的电量同时等量地缓慢增大，则小球p往复运动过程中周期不断减小
D．点电荷的带电量同时等量地缓慢增大，则小球p往复运动过程中振幅不断减小
第Ⅱ卷
本卷共4题，共72分，
9．(18分) (1) 单匝闭合线框在匀强磁场中绕垂直于磁场方向的转轴匀速转动。在转动过科中，线框中的最人磁通量为%20理科综合.files/image044.gif)
， 最人感应电动势为 %20理科综合.files/image046.gif)
则线框在匀强磁场中绕垂直于磁场方向转轴转动的角速度的大小为
。
(2) 利用双缝干涉测定光的波长实验中，双缝间距 %20理科综合.files/image048.gif)
，双缝到光屏的距离L=0．%20理科综合.files/image050.jpg)
为
，该实验中所用的单色光的波长为
。
(3) 同学到实验室做“测电源电动势和内阻”的实验时，发现%20理科综合.files/image052.jpg)
实验台上有以下器材：待测电源((电动势约为4 V，内阻约为2 %20理科综合.files/image054.gif)
)；一个阻值未知的电阻 %20理科综合.files/image056.gif)
：电压表(内阻很火，有
5V、15V两个量程)两个：电流表(量程500mA，内阻约为5)：滑动变阻器A(20，，0． 的阻值．他设计了如图所示的电路，实验时他用 %20理科综合.files/image058.gif)
，分别表示电表%20理科综合.files/image060.gif)
的读数，在将滑动变阻器的滑片移动到不同位置时，记录了的一系列值，其后他在两张坐标纸上各作了一个图线来处理实验数据，并计算电源电动势、内阻以及定值电阻的阻值。根据题中所给信息回答下列的问题：
① 电压表所接入电路时应选择 量程，滑动变阻器矗应选 (填器材代号“A”或“B”)。
② 作图线时，用来计算电源电动势、内阻图线的纵、横坐标轴应该分别代表 、
；用来计算定值电阻图线的纵、横坐标轴应该分别代表
、 (填
“”或由它们组成的算式)
③ 实验中的所有操作和数据处理无错误，实验中测得的定值电阻值
实际值(横线上选填“大于”“等于”“小于”)。
%20理科综合.files/image062.jpg)
10．(16分)如图所示，在%20理科综合.files/image064.gif)
轴上方有垂直于%20理科综合.files/image066.gif)
夥，平面向里的匀强磁场，磁感应强度为B，在轴下方有沿y轴负方向的匀强电场，场强为E(磁场和电场的区域足够大)。一质量为m，电荷量为-q的粒子从坐标原点沿着y轴正方向射出。射出之后，第3次到达x轴时，它与坐标原点的距离为L，求此粒子射出时的速度v的大小和第3次到达x轴之前运动的总路程s。(粒子所受的重力忽略不计)
%20理科综合.files/image068.jpg)
11．(18分)如图所示．在空中有一水平方向的匀强磁场区域，区域的上下边缘间距为h， 磁感应强度为B，有一宽度为 %20理科综合.files/image070.gif)
、长度为L、回路总电阻为R、质量为m的矩形导体线圈紧贴磁场区域的上边缘从静止起竖直下落．最后匀速穿出磁场区域，不计空气阻力，求：线圈穿过磁场区域所经历的时间。
12．(20分) 如图所示的轨道由位于竖直平面的圆弧轨道和水平轨道两部分相连而成。水平轨道的右侧有一质量为%20理科综合.files/image072.gif)
，其余各处的摩擦不计．A、B、C均可视为质点，重力加速度为g。
(1) 若滑块A能以与球B碰前瞬间相同的速度与滑块C相碰，A至少要从距水平轨道多高的地方开始释放?
(2) 在(1)中算出的最小值高度处由静止释放A，经一段时问A与C相碰，设碰撞时间极短，碰后一起压缩弹簧，弹簧最人压缩量为 %20理科综合.files/image074.gif)
，求弹簧的最大弹性势能。
%20理科综合.files/image076.jpg)
化学部分
可能用到的相对原子质量为：H～
第I卷(共36分)
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