2012年长春市中考英语试卷及答案
2012年长春市中考英语试卷及答案一、基础知识（共25分）I.在下列各句的空白处填入一个适当的词，使句子意思完整、语法正确。
（5分）1. I think _________are the best gift for grandma. They look beautiful and smell nice.2. My father has decided to ___________up drinking, because it’s bad for health.3. In winter, the temperature in Changchun is usually __________zero.4. One of my ___________subjects is English.5. Everyone is here today __________Tom. He is ill at home.II.用括号内所给单词的适当形式填空。
（5分）6. He is very _______to us. We all like him very much. (friend)7. My father used to ________up early. (get)8. This is my _______time to Japan. (one)9. Which sweater is __________, the yellow one or the pink one? (beautiful)10. The ________ of most trees will fall in autumn. (leaf)III. 单项选择。
（15分）从每小题所给的四个选项中，选出一个最佳答案。
11. Do you know ______ woman in blue?--Yes, she’s a professor of_________ university.A. the, aB. a, anC. the, anD. /, the12. She's looking at_________ in the mirror.A. himselfB. herselfC. yourselfD. myself13. If it rains tomorrow, we shall _______at home.A. stayedB. stayC. staysD. staies14. Let us know your address, _________?A. shall weB. will youC. don’t youD. won’t you15. The _____we get together, the____ we will be.A. more, happyB. more, happierC. many, happyD. many, happier16. You ___-return the book now. You can keep it next week if you like.A. can'tB. mustn'tC. needn'tD. may not17.--Why can’t I swim in the lake, Daddy?--You will be _____.The water freeing cold.A. sorryB. afraidC. anxiousD. unpleasant18. The factory________ we’ll visit next week is nearly from here.A. whereB. to whichC. whichD. in which19. I think teachers are the most hardworking people. Do you ____ me?A. go on withB. catch up withC. agree withD. laugh at20. The People's Republic of China __ on October 1, 1949.A. foundB. was foundedC. is foundedD. was found21. I_______ but _______nothing.A. was listened; was hearingB. listened; heardC. have listened; heardD. listened; hear of22. He waited ________ the volcano became quiet and he was able to return two days later.A. whenB. beforeC. asD. until23. Could you tell me__________ the radio without any help.A. how did he mendB. what did he mendC. how he mendedD. what he mended24.It’s very kind of you to take so trouble to help me!A. It’s nothing seriousB. Thank youC. My pleasureD.It’s right二、交际运用（共15分）IV. 根据对话内容及方框中所给的选项补全对话。
选项中有一项是多余的。
（5分）Richard: Hi, Simon. 26Simon: Not very well.Richard: Well, the term exam is always more difficult. 27 You’ll certainly do better next time.Simon: But unluckily, I’ve never done well in the science exam.Richard: Come on, Simon! Let’s talk about the football match tonight. It is much more interesting.Simon: 28Richard: Yes, It’s between the Chinese team and the Japanese Team.Simon: Er (29)Richard: Why? Everybody knows you are a football fan.Simon: The Chinese team has always played badly in the important matches, just as I have done in the important exams.V.根据对话内容，在空白处填写适当的话语（话语可以是一个句子，也可以是一个短语或一个词），使对话完整。
（10分）Betty:What’s your hobby?John: Watching an action movie.Betty: It’s good for you. 31John: Three times a month.I usually wacth movies with may grandparents at weekends. 32Betty: I like reading books. I’m very happy when I sit down to read books.John: 33Betty: The Adventur es of Huckleberry Finn.It’s written by Mark Twain. It’s a very interesting book. 34John: No I haven’t. Can you lend me the book? 35Betty: 35 .I’ll bring it for you tomorrow.三、阅读（共40分）VI. 选词填空。
（10分）从下面方框中选择适当的选项填入短文中，使短文通顺、完整。
选项中有两项是多余的。
children won’t know the money 36 from hard work.Some parents like to 37 birthday parties for their children. If they keep on 38 this, their children will think it 39 for them to enjoy birthday parties every year. Year after year, maybe they will forget their 40 birthdays and only remember their own. It is against traditional habits.Many parents don’t let the children do housework. They think children have only one thing to do. They should study hard and do 41 in their lessons. If parents go on doing this, the children will only learn to open their 42 to be fed and stretch out (伸出) their arms to be 43 every day. When the children grow up, they will be able to do 44, and they won’t even find a job. Parents should teach the children 45 to do housework because it can help them start good habits of working by themselves.36 __________ 37 _________ 38 __________ 39__________ 40 __________41 __________ 42 _________ 43 __________ 44__________ 45 __________VII.阅读理解。
2012年长春市中考试题参考答案
2012年长春市初中毕业生学业考试数学参考答案及评分标准一、选择题（每小题3分，共24分）1．A 2．C 3．B 4．D 5．C 6．A 7．C 8．D 二、填空题（每小题3分，共18分） 910．2ab11．60 12．165 13．3 14．18三、解答题（每小题5分，共20分）15．解：原式=22242632a a a -++=+． （3分）当13a =时，原式=2173()233⨯+=． （5分）16．解：（3分）∴P （两个数字之和是6）=29． （5分） 17． 解：设指导前平均每秒撤离x 人． （1分）根据题意，得4545303x x-=． （3分） 解得1x =.经检验，1x =是原方程的解，且符合题意．答：指导前平均每秒撤离1人． （5分）18. 解：过点O 作OC ⊥AB 于C ，连结OA ． （1分）∴1112622AC AB ==⨯=． 在Rt △AOC 中，∠ACO =90°，OC =428⨯=， （3分）或∴10OA =．∴⊙O 的半径为10 ． （5分）四、解答题（每小题6分，共12分）19．解：（1）18201250++=，所以a 值为50. （2分） （2）20100%40%50⨯=， 所以这50名学生选择去净月潭游园的人数的百分比为40%. （4分） （3）650×40％=260(人).所以该校七年级650名学生中会选择净月潭游园的人数约为260人.（6分）20．解：过点O 作OD ⊥AB 于D . （1分）∵OA =OB , ∴ AB=2 AD ． ∵CO ∥AB ,∴∠OAD =∠AOC =59º . （2分） 在Rt △ADO 中，∠ADO =90，cos ADOAD OA∠=， （4分） ∵OA =108，∴cos 108cos591080.5256.16AD OA OAD =⋅∠=⨯=⨯=.∴AB =2×56.16=112.32≈112.3(cm).答：支架两个着地点之间的距离AB 约为112.3cm ． (6分) 五、解答题（每小题6分，共12分） 21．解：以下答案供参考．画对一个得3分，共6分．(画出符合要求的凹四边形同样赋分)22．解：（1） ∵四边形OABC 是平行四边形，∴CB = OA , CB ∥OA . ∵A (2，0) ,C (1-，2),∴B （1，2）. （3分） ∵反比例函数ky x=(k ≠0)的图象经过点B ， ∴21k=，2k =. （4分） （2） 点C ＇在反比例函数2y x=的图象上. 理由：由翻折可知，点C ＇与点C 关于x 轴对称， ∵C (1-，2)， ∴C ＇（－1，－2）.由（1）知，反比例函数解析式为 2y x= . ∵当1x =-时，221y ==--， ∴点C ＇在反比例函数2y x=的图象上. (6分) 六、解答题（每小题7分，共14分） 23．解：（1）∵60320=（元）， ∴工人一天加工零件不超过20个时每个零件的加工费为3元. （1分） （2）当40≤x ≤60 时，设y 与x 的函数关系式为y kx b =+.∵图象经过（40,140）、（60,240）,∴40140,60240.k b k b +=⎧⎨+=⎩解得5,60.k b =⎧⎨=-⎩ ∴当40≤x ≤60 时，y 与x 的函数关系式为560y x =- . （4分） （3）设小王第一天加工a 个零件,则第二天加工(60)a -个零件.∵小王第一天加工零件不足20个， ∴0≤a ＜20. ∴40＜60a -≤60.根据题意，得()356060220a a +--= . 解得a =10.∴小王第一天加工10个零件. (7分)24.拓展: ∵1ABE BAE ∠=∠+∠， BAC CAF BAE ∠=∠+∠,又∵1BAC ∠=∠,∴ABE BAE CAF BAE ∠+∠=∠+∠.∴ABE CAF ∠=∠. (2分) ∵∠1 =∠2, 1180AEB ∠+∠=︒，2180CFA ∠+∠=︒,∴AEB CFA ∠=∠. (4分) 又∵AB =AC ，∴△ABE ≌△CAF . (5分)应用: 6 (7分) 七、解答题（每小题10分，共20分）25．解：（1）在242y x =-+中，当x =16时，y =10.在y x =中，当x =4时y =4.∴点C 的纵坐标为10，点D 的纵坐标为4. （2分） （2）由（1）知，点C 的坐标为(16,10)，点D 的坐标为(4,4).∵抛物线图象经过点C 、D ，∴2563210,168 4.a c a c -+=⎧⎨-+=⎩解得1,810.a c ⎧=⎪⎨⎪=⎩∴a 的值为18， c 的值为10. （4分） （3） 在y x =中，当x =5时y =5.∴点Q 的横坐标为5.由（2）可知，抛物线的解析式为212108y x x =-+. 当y =5时，2121058x x -+=，解得8x =±.∴点P 的横坐标为8±.①当点P 在点Q 左侧时，线段PQ 的长为5(83--=.②当点P 在点Q 右侧时，线段PQ 的长为(853+-=+.∴线段PQ 的长为3或3+（8分） （4）当0≤m ＜4或12≤m ＜16时，d 随m 增大而减小. (10分)26．解：（1）（2t -） （不要求写t 的取值范围） （1分）（2）①当点P 在线段DE 上时，如图①.PD = PN =PQ =2. ∴22t -=. ∴t =4.②当点P 在线段BE 上时，如图②.PN =2PB .∵PN =PC =(t －6)+2=t －4， BP=2-(t －6)=8－t ， ∴42(8)t t -=-,解得 203t =. ∴当点N 落在AB 边上时，t 的值为4或203. （3分）（3）①当2＜t ＜4时，如图③，S =2212(4)4t --，即2124S t t =-+.②当203＜t ＜8时，如图④， S =()221(4)3204t t ---, 即2522844S t t =-+-. （7分）（4）143t =或5t =或6≤t ≤8. （10分）提示：当点H 第一次落在线段CD 上时，12.5(4)(4)22t t -+-=，解得143t =.当点H 第二次落在线段CD 上时，12.5(4)2(4)2t t --=-，解得5t =.当点H 第三次落在线段CD 上时，16 2.5(4)(4)2t t --=-，解得6t =.当6≤t ≤8时，点H 恒在线段CD 上.。
2012年长春市高中毕业班第一次调研测试英语答案
2012年长春市高中毕业班第一次调研测试英语试题参考答案及评分标准说明：本试题满分150分。
其中听力30分，笔试120分。
网上阅卷计算成绩时，把听力30分转换为20分，计算公式：听力实际分数=听力原始分数×20/30。
笔试成绩120分换算成130分，计算公式：笔试实际分数=笔试原始分数×130/120。
第一部分听力 (每小题1.5分，满分30分)听力原文:Text 1M: Did you travel to Guangzhou last summer?W: Yes. It was amazing to watch the Asian Games in our own country.M: Who did you go with？W: My parents and my aunt.Text 2M: May I ask for dance?W. With pleasure.M: You dance well.W: Thank you. To tell you the truth, I haven't danced in ages.Text 3M: Would you please tell me what yesterday's assignments were? I was absent.W: Well, Ms. Jackson asked us to write an essay entitled My Dream.Text 4W: Peter, I want to buy that new record, but I didn't bring any money. Would you lend me some? M: Sorry. I can't. I didn't bring much money myself.Text 5W: How did you do?M: Don't ask!W: You lost? Well, Bob's a skilled player. What was the final score?M: 6 to 1.W: Oh dear. Come on. I'll buy you a drink.Text 6W: The train should have left at 10:50.M: It's late again. This is so boring. We have been waiting since 9:20.W: I don't know when it will leave now.M: It says it'll leave at 12:20 today.W: We still have to wait for half an hour.Text 7W: Is anybody waiting on you?M: No, I'd like a casual suit, please.W: Would you like a one-piece or two-piece?M: I'd like a one piece.W: What do you think of this one?M: Well, I like it. But don't you think it is a little bit too loud for me?W: No, I don't think so. It'll suit you very nicely.M: Really? Can I try it on?W: Certainly. Please use the fitting room over there...M: This one is all right. I'll take it. How much is it?W: Thirty-five dollars.M: OK. Here you are.W: Thank you.Text 8M: What's wrong with you today? You are my secretary. You are not supposed to talk to me in that tone of voice. Don't you know that?W: What do you expect? I've been working for you for three years. And you have never given mea single holiday. I don't feel well today because I have a terrible headache. I'm not in themood to be gentle or polite. If you can't stand it, that's your problem.M：Keep your voice down, Mary. I know you have a hard day. But you should at least show me some respect. I f you really don ’ t feel well, go home. T here isn ’ t much work today anyway.W: I apologize for losing myself, but I do need some time off.Text 9M：Hi, Sally. It's me, Tom. I'm calling to talk about Young People's Film Week.It starts next Monday. Would you like to see any of the films? Perhaps we could go together.W：Great! Well, my friends mentioned that the new Harry Potter film was exciting so I'd like to see that.M：Me too. I'm planning to go and see it at 6:30 p.m. on Monday.W：OK. I'll go with you. I also want to see High School Musical. It will be on at 4:30 p.m. on Tuesday.M：My sister said that it was really boring so I'd rather see Shrek. I think it's showing Saturday afternoon at 2:30. Do you want to come?W：I can't. Saturday is my mother's birthday. We're going to have a big lunch-time party for her. What's on later?M: Teen Detectives is on at 8:30 pm. The newspaper reported that it was good. Is 8:30 too late for you?W：A bit, but I'll ask my father to come and pick me up. If he agrees, then I'll go. I heard it's really funny.M：OK. Hope you can come.Text 10Five years ago, I had to make a big decision. At that time, I was working for a small engineering company. However, things were going not so well for the company and it was losing money. One day, the boss told us that the company was going out of business and that we would soon be out of work.That day some co-workers and I went to the pub for lunch as usual. We were all very depressed as we talked about the company's troubles.The pub's manager overheard us talking." Why don't you buy the company, yourselves?" he asked.At first we all laughed but then we started to discuss it seriously. We understood that the company had lost so many of its customers because it hadn't developed new products or ideas. We then discussed how to make the company better and finally decided to go for it. We all pitched in and bought the company for ourselves.The first few years were very difficult, but, we worked hard and had a bit of luck too. Things even began to improve three years ago and since then we have done pretty well. Last year we hired four new employees and this year we have already taken on another ten!【参考答案】1.B【命题立意】考查考生对具体信息的理解能力。
2012年 中考英语试题及答案
试卷类型：A二○一二年初中学业水平考试英语试题注意事项：1．本试题分第I卷和第II卷两部分。
第I卷1－6页为选择题，55分；第II卷7－10页为非选择题，45分；共100分。
考试用时100分钟。
2．答第I卷前务必将自己的姓名、考号、考试科目及试卷类型涂写在答题卡上。
考试结束后，试题和答题卡一并收回。
3．第I卷每题选出答案后，都必须用2B铅笔把答题卡上对应题目的答案标号（A、B、C或D）涂黑。
如需改动，必须先用橡皮擦干净，再改涂其它答案。
第I卷（选择题共55分）一、英语知识运用（共两节，满分25分）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，并在答题卡上将该项涂黑。
1. My host family is taking me to ________ English film festival next weekend.A. anB. aC. theD. 不填2. —What do you call your father’s sisters?—_______.A. UnclesB. CousinsC. AuntsD. Parents3. A 100-year-old man ran a marathon in Toronto on Sunday. He became the ________ personto complete the long-distance running in the world.A. youngestB. bestC. biggestD. oldest4. —What does your new English teacher look like?—She is a pretty lady ________ long hair.A. atB. forC. withD. of5. —Do you need a new dictionary, Susan?—No, Mum. My uncle bought me ________ yesterday.A. oneB. itC. the oneD. another6. My friend Frank sings well, and he is _______ good at playing guitar.A. notB. alsoC. yetD. too7. As one of the school rules, middle school students are not ________ to smoke.A. orderedB. refusedC. allowedD. forbidden8. —Have you ever seen the movie 2012?—Yes, but I don’t believe ________ the year 2012 will see the end of the world.A. thatB. whatC. howD. if9. Some of the students are nearsighted _______ they spend too much time watching TV orplaying online games.A. whenB. thoughC. becauseD. unless10. —Excuse me, can you tell me the way to the People’s Park?—Walk along this road and turn right, and the park is on your right. You _______miss it.A. needn’tB. mustn’tC. may notD. won’t11. Our foreign teacher Mr Green ________ us English since three years ago.A. has taughtB. is teachingC. taughtD. teaches12. —Steve, ________do you play basketball after school?—Twice a week. It can keep me healthy.A. how farB. how soonC. how longD. how often13. Whenever I see the birds, I’ll _______ flying in the sky.A. think upB. dream ofC. work onD. pick up14. Welcome to our school, ladies and gentlemen. ________, I’d like to introduce myself.A. To be honestB. To my surpriseC. To start withD. To tell you the truth15. Which of the following signs means “No climbing”?A B C D第二节完形填空（共10小题；每小题1分，满分10分）阅读下面短文，掌握其大意，然后从16～25各小题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。
【精选资料】吉林省长春市中考英语模拟试题非常好的资料
2012年5月21日星期一吉林省长春市中考升学很好资料2012年初中升高中测试模拟试题【一】内部基础知识运用部分（共30分）五、单项填空（共15分，每小题1分）从第21—35小题所给的A、B、C、D四个选项中，选择最佳选项。
21．—What’s your favorite subject, Mike?—_______. It’s interesting.A．Toys B．Math C．T-shirts D．E-mail22．It isn’t ________ watch. I left mine at home.A．my B．me C．I D．myself 23．—________ do you like koala bears?—Because they are cute.A．Why B．Where C．HowD．When24．Gina was born ________ 1999. She is old enough to go to school.A．to B．on C．at D．in 25．—How was your weekend?—Great! We _________ a picnic by the lake.A．have B．are having C．had D．will have 26．Pm different from my twin sister. I love dancing, _________ she is interested in reading.A．so B．or C．but D．and27．Beijing, the capital of China, is one of _________ cities in the world.A．the biggest B．bigger C．much bigger D．big28．—Mom, _________ I play computer games?—Yes, you can. But you have to finish your homework first.A．must B．may C．will D．need 29．—What’s your brother doing in his room now?—He ________ a kite.A．makes B．made C．is making D．will make 30．I don’t know _________ tomorrow. Can you tell me?A．when we started B．when did we startC．when we will start D．when will we start31．Rosa likes music _________ is quiet and gentle.A．when B．that C．where D．who 32．Sam enjoys __________ stamps. And now he has 226 of them.A．to collect B．collected C．collects D．collecting 33．His parents were worried that he __________ too much time chatting on line.A．spent B．cost C．paid D．had 34．It is said that potato chips _________ by mistake about a hundred years ago.A．invent B．invented C．are invented D．were invented 35．—John has hurt his leg.—Really? _________?A．Who did that B．How did that happenC．What’s wrong with him D．Why was he so careless六、完形填空（共15分，每小题1分。
2012年长春市初中毕业生网上阅卷模拟测试英语扫描版带答案(2012长春试考、市一模、市模)
2012年长春市初中毕业生网上阅卷模拟测试英语参考答案及评分标准一、基础知识（共25分）I．在下列各句的空白处填入一个适当的单词，使句子意思完整、语法正确。
（每小题1分，共5分）1. sing2. off3. glasses4. on/upon5. asleepII．用括号内所给单词的适当形式填空。
（每小题1分，共5分）6. its7. changing8. eighth9. photos 10. friendlyIII．单项选择。
（每小题1分，共15分）11～15 BADBC 16～20 A ABCD 21～25 DBACB二、交际运用（共15分）IV．根据对话内容及方框中所给的句子补全对话。
选项中有一项是多余选项。
（每小题1分，共5分）26～30 BECFDV．根据对话内容，在空白处填写适当的话语（话语可以是一个句子，也可以是一个短语或一个单词），使对话完整。
（每小题2分，共10分）31. When is Mother’s Day? / When is it?32. What about / How about33. means34. difficult / hard / uneasy35. Y ou are welcome. / That’s all right./ That’s OK./ It’s my pleasure.（注：此题答案不唯一，只要符合对话内容，话语正确，均可赋满分。
如果只答出关键词语，但不够完整，可赋1分。
出现大小写错误，每处扣0.5分。
要求学生答案必须是一个句子，一个短语，或者一个词。
）三、阅读（共40分）VI．选词填空。
（每小题1分，共10分）36～40 IBKLF 41～45 CAHEGVII．阅读理解。
（46～65小题，每题1分；66～70小题，每题2分，共30分）(A) 46～50 ACBAD(B) 51～55 ABDCD(C) 56～60 FFTFT(D) 61～65 DEABC(E) 66. Anna /She works in a big company. / In a big company. / A (big )company.67. Mr. Thompson / He is always kind and helpful. / Kind and helpful.68. Mr. White /He asked Miss Read to open the window. / To open the window.（注：如果学生68题答Open the window, 只赋一分）69. The president of the company will come to the company next Monday. / The president ofthe company.70. He is impolite. / Impolite.四、书面表达（共15分）VIII．（A）Lily得了重感冒，需要在家休息三天。
2012年吉林省长春市中考英语升学很好资料【最新】-推荐下载
2012年吉林省长春巿中考英语试题二、基础知识（共25分）在下列各句的空白处填入一个适当的词，使句子意思完整，语法正确。
（5分）26. Excuse me, which is the to the South Lake?27. You have a cold. You should some hot water.28. The girl is very . She hardly speaks to others at school,29. When I grow ，I want to be a scientist.30. Next Sunday is Miss Wang's birthday. We will have a birthday on that day.用括号内所给单词的适当形式填空。
（5分）31. When spring comes, we plant many to make our city beautiful, (tree)32. You can buy a TV set on the floor of the shopping mall, (seven)33. Linda's parents are busy with their work. She has to look after . (she)34. Alex works in a restaurant. He is a . (wait)35. If you listen to the teachers in class, you can learn a lot. (careful)VIII.单项选择。
（15分）从每小题所给的四个选项中，选出一个最佳答案。
36. Kung Fu Panda a is popular movie. It's really interesting.A. theB. anC. aD. /37. Don't worry me, Mom. I'll be all right.A. ofB. aboutC. forD. with38. 一Where are you going?―I'm going to the to fly a kite.A. parkB. libraryC. museumD. post office39. —How often does Bob play tennis?A. Once a monthB. For a monthC. A month agoD. A month later40. Lily's mother is tall. Lily is than her mother.A. tallB. tallestC. the tallestD. taller41. ―Listen！James is talking in the office.―It be James. He has gone to Canada.A. may notB. needn'tC. can'tD. mustn't4 2, Paul is only three years old, he draws very well.A. soB. butC. orD. then4 3. - Frank, could you please tell me ？-He is a policeman.A. where is your fatherB. why is your father hereC. what your father isD. how your father is44. In 2008 , the 29th Olympic Games in Beijing successfully.A. will be heldB. was heldC. is heldD. can be held15. We'll go for a picnic if it tomorrow.A. doesn't rainB. rainedC. won't rainD. rains46. We should be ready to help the people are in trouble.A. whoseB. whomC. whichD. who47. It's very hot inside. You'd better your coat.A. get offB. keep offC. take offD. put off48. -How is the film you saw last night?— It IS so . I want to watch it again.A. expensiveB. cheapC. annoyingD. exciting49. -1 think Ma Lin will win the next World Cup.- . I think Wang Hao will be the winner.A. I hope soB. I don't think soC. It's a pityD. It doesn't matter50. Which picture means "The boy is having his hair cut at the barber's. "？三、交际运用（共15分）IX.根据对话内容及方框中所给的句子补全对话。
吉林长春中考英语试卷及答案
吉林长春中考英语试卷及答案听力部分一、听录音，选出你所听到的选项。
（5分）（）1、A. traffic B. train C. tell（）2、 A. taxi B. film C. ship（）3、A. street B. sled C. straight（）4、 A. stop B. go C. wait（）5、 A. next weekend B. today C. tomorrow二、听录音，选择恰当的答语。
（10分）（）1、 A. You can take the No.15 busB. You can see the No.15 bus.C. Go straight and you can see the cinema.（）2、A. It’s the post officeB. It’s next to the post office.C. It’s next to the supermarket.（）3、 A. N o, it isn’t.B. No, there isn’t.C. Yes, there isn’t.（）4、A. You’re right.B. You’re welcome.C. see you.三、听录音，判断下列句子与你所听内容是（T）否（F）一致。
（10分）（）1、 There is a new bookstore in my city.（）2、I’m going to the library on foot tomorrow.（）3、 Turn right at the zoo.（）4、 Mike is going to play basketball after school.（）5、 Tina is going to Beijing with her mother.四、听对话并填空。
（10分）1、 The __________ __________ is on your right.2、 __________ do you get there? __________ __________.3、 Turn right at the __________. Then you can see the __________.4、 The nature park is __________ __________ my school.5、Jack is going to Hainan by __________.笔试部分一、语法选择（共15小题；每小题1分，满分15分）阅读下面短文，按照句子结构的语法性和上下文连贯的要求，从1~15各题所给的A、B、C 和D项中选出最佳选项，并在答题卡上将该项涂黑。
2012年吉林省中考英语试题含答案
吉林省2012年初中毕业生学业考试英语试卷一、听力(共30分)Ⅰ．情景反应根据你所听到的句子，选择恰当的应答语。
(5分)( )1. A. Nice to meet you, too. B. Fine, thanks. C. My pleasure.( )2. A. I have no time. B. Sorry, I won't. C. I'm OK.( )3. A. Never mind. B. I don't think so. C. Have a good trip.( )4. A. Don' t say so. B. Thank you. C. Not at all( )5. A. Nothing serious. B. Don't mention it. C. Good idea.Ⅱ．对话问答根据你所听到的对话及问题，选择正确答案。
（5分）( )6. A. Yes, he can. B. No, he can't. C. We don't know.( )7. A. Thirty minutes. B. Twelve minutes. C. Twenty minutes.( )8. A. It's funny. B. It's boring. C. It's surprising.( )9. A. In a shop. B. In a bookstore. C. In a restaurant.( )I0. A. Kate. B. Tom. C. Kate's mum.Ⅲ．图片理解看图听描述。
选择与你所听到的描述内容相符合的选项。
（下列图中有一幅图片与描述内容无关)（5分)11．_____________l2．_____________13．_____________l4．_____________l5．___________Ⅳ．信息匹配根据你所听到的短文内容．将所给信息匹配．并把相应的字母序号填入题前括号内。
英语_2012年吉林省中考英语试卷(含答案)
2012年吉林省中考英语试卷二、基础知识（共20分）Ⅶ．句意填词用括号内所给词的适当形式填空，使句意完整．（每小题1分，共5分）1. I'm going to be a______ （report） when I grow up．I like meeting different people every day．2. China has become much___ stronger___ （strong） than before．We're all proud of her．3. Look!The children are playing __happily____ （happy） in the park．4. Of all the vegetables，I like_tomatoes_____（tomato） best．5. Stop______________ （ talk），please，Let's begin our meeting．Ⅷ．单项选择从每小题所给的四个选项中，选出一个正确答案．（每小题1分，共15分）6. Lisa had ______ egg and ______ glass of milk for breakfast this morning．（）A a；aB an；anC a；anD an；a7. ﹣﹣What's your favorite______？﹣﹣Physics．It's interesting and useful（）A jobB vegetableC fruitD subject8. ﹣﹣I can't find my dictionary．May I use ______？﹣﹣Sure．Here you are．（）A youB yourC yoursD yourself9. Lucy and I are twins，but we're different ______ each other in many ways．（）A forB inC ofD from10. ﹣﹣You speak English so well．______ have you learned English？﹣﹣For 5years．（）A How manyB How longC How oftenD How far11. Last summer vacation，we ______ many photos when we had a trip to Dalian．（）A takeB takesC tookD will take12. ﹣﹣Have you ever road the book Harry Potter？﹣﹣Yes，and I think it's very ______．I want to read it again．（）A boringB excitingC boredD excited13. Colors can change our moods（情绪）and make us ______ happy or sad.A feelB to feelC feltD feeling14. ______Gina ______Tara are studying Chinese history'and culture now．Theyfind them rich and amazing．（）A Both； andB Not only；but alsoC Either；orD Neither；nor15. People ______always be careful with fire，or it can be dangerous．（）A canB needn'tC mustD shouldn't16. —I missed the early bus and I had to _______ the next one on such a cold morning. —Bad luck!A give upB put offC wait for17. Many trees and flowers ______ in our school last year and they made our school a beautiful garden．（）A have plantedB are plantedC were plantedD will be planted18. ﹣﹣Excuse me，could you tell me ______，please？﹣﹣Sure．There is a library on Bridge Street．（）A where can I see a movieB where can 1 borrow some magazinesC where 1 can send a postcardD where I can borrow some books19. ﹣﹣Would you mind opening the window？It's too hot in the room．﹣﹣______．I'll do it right away．（）A You'd better notB Of course notC I hope notD It doesn't matter20. I argued with my best friend yesterday．She ________ now．The underlined part means"______"．（）A is mad atB is worried aboutC is surprised atD is strict with三、交际运用（共15分）Ⅸ．完成对话从方框中选择正确选项．并将其字母序号写在对话后面的空格内．（方框中有一个选项与对话内容无关）（5分）21.Celia：Hi Tony!You look upset．What's wrong？Tony：I failed the exam again．I'm afraid I have to give up my study．Celia：No，never．If you do that，you will let your parents down．（1）_______Tony：Yes．I want to practice basketball and become a basketball player like Yao Ming or Kobe．Celia：（2）_______Tony：Because it's my dream job．If I am famous，I can make lots of money．Celia：Money is important．（3）_______Tony：I know．But I want to hold on to my dream．Celia：Have you ever talked with your parents？Tony：（4）_______ But they don't agree．They want me to be a doctor．Celia：I think you'd better take your parents'advice．Tony：Maybe you're right．But why can't I make my own decisions？Celia：Come on，Tony．（5）_______ After all，your parents have more experience．Tony：Anyway，I'll think about it．Thanks for your advice．X补全对话根据对话内容．在句中横线上填写适当的话语（话语可能是一个句子．也可能是一个短语或一个单词）．使对话完整、正确．（10分）22. （ Eric came back home from school on Friday evening．）Eric：Hi，Dad!I'm back．Dad：Hmm，Eric!How was your study this week？Eric：Pretty good．And I have good news to tell you．Do you want to know？Dad：Of course．（56）________？Eric：I won first prize in the English speech contest．Dad：Well done．（57）________your science？Any progress？Eric：Yes，Dad!At least I tried my best and learned a lot from my mistakes．Dad：Good!I'm sure that you can catch up with your classmates very soon．Eric：Thank you，Dad!I've been busy these days and I feel tired．Shall we（58）________tomorrow？Dad：A picnic？Why not？We all need to relax ourselves．Erie：Great!（59）________？And what time？Dad：Let's go to Central Park at 8：00 in the morning．Eric：（60）________．？Dad：The radio says it's a fine day．Finish your homework first and we can help mum do something for the picnic，Eric：That's wonderful，Dad．四、阅读（共40分）Ⅺ．短文填空从方框中选择正确选项．完成短文．并将其字母序号写在短文后面的空格内．（方框中有两个选项是多余的）（10分）23.I．without J．meet K．either L．winnerSometimes，life isn't as perfect as we imagine．If so，what will you do？Liu Wei，the famous pianist（1）_______arms in China，is a good example．He lost his arms in a （2）_______ accident when he was only 10years old．However，he wanted to keep his dream．He learned to swim in a recovery（康复） hospital when he was 12．Two years （3）_______，he won two gold medals in a National Swimming Championship for the disabled．After that，he began to learn how to type with his feet．He（4）_______the world record and became the person who could type（5）_______with his feet．In the following years，he started learning to play the piano．Last year，he became the （6）_______of China's Got Talent Show（中国达人秀）．He alwayssays，"There are two ways in my life．I will（7）_______ live a wonderful life or die．"We canlearn （8）_______from Liu Wei．No matter how hard the life is，keep smiling to ourselves．Martin Luther King has ever said，"We must accept（接受） disappointment in our life，butwe must never lose our （9）_______"What he said is quite true．When we （10）_______ difficulties．Please face them bravely．Where there is a will，there is a way．Ⅻ．阅读理解（30分）24. Blue Ocean Aquarium is a great place for families to take a holiday．Children love to seethe sea animals and watch movies about sharks in it．Last Saturday morning, Mr Jackson took his wife and two little sons to the aquarium．Atthe ticket office, he asked, "How much shall I pay to get in? "The woman at the ticket office answered, "The price is 20dollars for each adult or any kid older than five．We let kids infree （免费） if they are five or younger．How old are your kids? "Mr Jackson said, "The older one is six and the younger one is thee．I think I must buy three tickets．"The woman was surprised．She said, "Sir, don't you want to save 20dollars? If you tell me your older son is five, I won't know the difference．"Mr Jackson said with a smile, "Yes, that soundsright, but my kids will know the difference．"From Mr Jackson's story, we know ________ is very important in the modem society．We should tell the truth to the people around us, especially to the kids．根据短文内容，选择正确答案．（1）There are________people in this story．A 3 ．B 5 ．C 4 ．D 6．（2）Mr Jackson paid________for their tickets to the aquarium at last．A 20dollars ．B 40dollars ．C 60dollars ．D 80dollars．（3）Children can see________ in Blue Ocean Aquarium．A dolphins ．B pandas ．C koalas ．D tigers．（4）The underlined word"honesty"means________A 激情．B 友谊．C 乐观．D 诚实．（5）What can we learn from the passage？________A Mr Jackson was very rich，．B Mr Jackson wasted to save some money．C Mr Jackson paid for his two sons'tickets in the end．D Mr Jackson thought honesty was more important than money．25. Have you ever been annoyed with yourself when you forget something important？Maybeyou think you have a bad memory，Do you know your memory，can be developed？Here aresome ways for you to have a try．★Be positive．Do not tell yourself your memory is bad，or your mind will believe it andyou won't remember things easily．If you think you can，then you can★Relax yourself．People are too nervous to remember things well．Relaxing will help you a lot．Take deep breathe（深呼吸）and you can remember things easily．★Think more．Things you know may help you to remember something new．For example，when you remember the word"classroom"，think of the old words"class"and"room"，it will help you remember quickly．★Do more practice．Like your body，memory can be improved through exercise．The more times you practice，the more easily you will remember something．★Eat healthy feed．Healthy eating can improve your memory．It is reported that fish is good for improving memory，so try to eat more fish from now on．根据短文内容．判断下列各句正（T）、误（F）．76．An active attitude is good for you to improve your memory．________77．Relaxing is not useful for people Io develop memory．________78．Something you already know may help you remember what you are learning．________ 79．Memory can't be improved by practicing．________80．If you want to have a better memory．，a healthy eating habit is veryimportant．________．26. I met Rose，my new classmate，on the first day of college．To my surprise，she was already 87years old．"Why are you in college at such a young age？"I joked．"I'm here to meet a rich man，get married，have two children，and then retire and travel．"She answered．（1）_______Like young students，Rose was outgoing，kind and helpful，（2）_______Soon，she became a superstar in our college．At the end of the term，Rose wes invited to give us a speech．I will never forget what she said to us，"There are only four secrets to staying young and achieving success．" "First，you have to laugh and find humor（幽默）every day．Then，you need to have a dream．（3）_______Next，find any chance to change yourself．Finally，peopleshouldn't have regrets（遗憾） for things they didn't do．"（4）_______ Over 2000students went to her funeral（葬礼） to express their love to the wonderful woman．The great woman didn't live in this world any longer，but she gave us an unforgettable lesson in life．That is﹣﹣（5）_______ Don't you think so？从方框内选择适当的句子补全短文．使短文意思通顺．结构完整．a birthday party together．But this year, we had a costume party instead．While we were writing the invitations, my mum came in and asked, "Why not invite John? "John had been in our class for only a few months, but he was already getting better grades in math than anyone else in class.1wrinkled（皱起） my nose, "Mum, he wears the same pants to school every day．How could he even afford a costume? "Mum said nothing．The next day．mum gave me an envelope with a shopping certificate in it．"I thought it would be nice for you to give this to John．"Mum said．But how? We didn't want to make John embarrassed．We discussed it for a long time．Finally, Betty and I had a good idea．On the day of our party, kids arrived, dressed differently．John arrived, in an old sheet （床单）, but still in the same brown pants as usual．We danced, ate snacks and played games in groups．Before eating the birthday cake, Betty said in a loud voice, "Now it's timefor the great prize game．It's the following riddle…"It was a math game．None of us was surprised when John came up with the right answer first and walked off with the envelope． Everything went on well as we planned．John wore a new pair of pants and a new shirtthenext week．He felt happy．So did we．When we help others, we need to find a proper way, or we may hurt them in another way．根据短文内容．选择正确答案．（1）The two girls and John were in the same________A group ．B family ．C team ．D class．（2）John's family may be very________according to the passage．A far ．B poor ．C rich ．D small．（3）How did John get the prize，during the party？________A By helping others．B By asking for help．C By getting good grades instudy． D By winning the math game．（4）John________with the shopping certificate after the party．A watched a basketball match ．B saw a movie．C bought something towear ． D made a phone call．（5）The two girls felt________when they found John wearing his new clothes．A happy ．B sorry ．C sad ．D angry．28. More and more young people from China begin to celebrate （庆祝） Father's Day．They send fathers presents，or invite them for a nice dinner．But do you know how Father's Day started？While Mrs Dodd，from America，was listening to a talk about Mother's Day in a church in 1909，she had an idea of having Father's Day to honor（纪念） her father，William Smart．Mr Smart used to be a soldier．His wife died when she gave birth to her sixth child．Mr Smart had to raise his six children alone．They lived a hard life．After Mrs Dodd grew up，she wanted to thank her father for what he had done for them．She wrote a letter to a church and asked for the third Sunday in June to be Father's Day．The church agreed with her．The first Father's Day was celebrated on June 19th，1910in Washington．Children made special desserts，and did other things to make their fathers happy．In 1924，President（总统） Calvin Coolidge supported the idea of a national Father's Day．People all over the country began to celebrate Father's Day．Finally，in 1966，President Lyndon Johnson made the third Sunday in June Father's Day．This year，Father's Day was on June 17th．What did you do for your father？根据短文内容．回答下列问题．91．What do the young people usually do to celebrate Father's Day in China？________ 92．Was Mrs Dodd's life hard when she was young？________93．Why did Mrs Dodd warn to have Father's Day？________94．Did Mrs Dodd write a letter to a church or to the president？________95．When was Father's Day celebrated for the first time in America？________．书面表达（共I5分）Ⅻ.A．校车问题引起了社会各界的广泛关注．请你根据下面的提示．将下列有关乘坐校车的规定补充完整．（每空词数不限）（5分）29. Here are the rules we must follow when we take the school bus．★Don't （96）________ the school bus．or you'll miss it．★Please （97）________in line when you get on or get off the bus．★Don't drop litter．Keep the bus clean and tidy．★Don't talk to the drivers．It is necessary to keep （98）________★Don't put your heads or your arms out of the windows．★Make sure it is safe to （99）________ the street!after you get off the bus．★If anything unusual happens，please（100）________．书面表达30. 生活是丰富多彩的，没有爱好的人生是不完整的人生．亲爱的同学，在生活中，你有什么兴趣爱好？这个兴趣爱好是怎样培养起来的？它给你的生活增添了哪些色彩？请你以"My Hobby"为题目．结合自身经历写一篇短文．要求：1）语句通顺，含乎逻辑，书写规范．2）文中不得出现真实的姓名与学枚名称．3）词数80个左右．My Hobby________．2012年吉林省中考英语试卷答案1. 答案：reporter 联系语境，根据关键不定冠词a，可知后面应该跟名词的单数形式；结合给出的动词report，意为"报道"；联系后句I like meeting different people every day可知与报道有关的名词应为reporter，符合此句的语境，意为"记者"，是一种职业．这里是指将来长大想当一名记者．故填写reporter．2. 答案：stronger 联系语境，根据关键词than，结合给出的形容词strong，可知这是现在的中国与以前的中国相比较，是两者之间的比较，所以应该用strong的比较级形式为stronger，much stronger为固定用法，意为"更加强大"．故填写stronger．3. 答案：happily 联系语境，根据关键词are playing 可知此句运用了现在进行时态，play 为动词；结合给出的提示形容词happy，可知修饰动词应该用其副词形式，happy的副词形式为happily，意为"快乐地，高兴地"，此处指"快乐地玩耍"．故填写happily．4. 答案：tomatoes．名词复数形式表示一类事物．根据"Of all the vegetables"以及英语提示"tomato"，可知我最喜欢的是西红柿这一类事物，所以要用其复数形式，tomato的复数形式是在后面加es，故填tomatoes．5. talking6. D7. D8. C9. D10. B11. C12. B13. A14. A15. C16. C17. C18. D19. B20. A21. E,A,D,F,B22. What is it,what about,go to for a picnic,where shall we go,what's the weather like23. I,C,A,H,G,L,K,F,E,J24. BCADD25. T,F,T,F,T26. E,B,A,D,C27. DBDCA28. They send fathers presents，or invite them for a nice dinner．,Yes，it was．,She wanted to thank her father for what he had done for them．,Church．,June 19tℎ，1910．29. be late for,stand,quiet,go across,keep/be calm30. I have many hobbies，such as collecting photos，painting and so on．Three years ago，I saw my friend collect many beautiful photos．So after that，I began to collect photos．（我的兴趣爱好）In my opinion，a girl who can draw a nice picture must be really artistic．（高分句型） As a result，I enjoy painting as well as collecting photos．（怎样培养的？） I think hobbies can bring me pleasure．I collect photos so that I can remember something important in my life．（高分句型） Painting could let me have more feeling for beauty．（增添色彩）I will never give up my hobbies because it is an important part of my life．。
2012年吉林省长春市中考真题及答案
2012年长春市初中毕业生学业考试数 学本试卷包括七道大题，共26小题.共6页．全卷满分120分．考试时间为120分钟．考试结束后，将本试卷和答题卡一并交回． 注意事项：1．答题前，考生务必将自己的姓名、准考证号填写在答题卡上，并将条形码准确粘贴在条形码区域内．2．答题时，考生务必按照考试要求在答题卡上的指定区域内作答，在草稿纸、试题卷上答题无效．一、选择题（每小题3分，共24分） 1．在2，0，2-，1-这四个数中，最大的数是（A ）2. （B ）0. （C ）2-. （D ）1-.2．神舟九号飞船发射成功，一条相关的微博被转发了3 570 000次．3 570 000这个数用科学记数法表示为（A ）357×104． （B ）35.7×105． （C ）3.57×106． （D ）3.57×107． 3．不等式3x -6≥0的解集为（A ）2x >． （B ）x ≥2． （C ）2x <． （D ）x ≤2．4．在下列正方体的表面展开图中，剪掉1个正方形（阴影部分），剩余5个正方形组成中心对称图形的是（A ） （B ） （C ） （D ）5．右图是2012年伦敦奥运会吉祥物,某校在五个班级中对认识它的人数进行了调查，结果为（单位：人）：30,31,27,26,31. 这组数据的中位数是 （A ）27. （B ）29. （C ）30.（D ）31. 6．有一道题目： ，与这段描述相符的函数图象可能是（A ） （B ） （C ） （D ） 7．如图，在Rt ∆ABC 中，90C ∠=︒,D 为边CA 延长线上一点，DE //AB ,∠ADE =42︒，则∠B 的大小为（A ）42︒. （B ）45︒. （C ）48︒. （D ）58︒.已知一次函数2y x b =+，其中b<0,…（第5题）（第7题）（第8题）8．如图，在平面直角坐标系中，在x轴、y轴的正半轴上，分别截取OA、OB，使OA=OB；再分别以点A、B为圆心，以大于12AB长为半径作弧，两弧交于点C.若点C的坐标为（1m-，2n），则m与m的关系为（A）21m n+= .（B）21m n-=.（C）21n m-=.（D）21n m-=.二、填空题（每小题3分，共18分）9．计算：= .10．学校购买了一批图书，共a箱，每箱有b册.将这批图书的一半捐给社区，则捐给社区的图书有册（用含a、b的代数式表示）.11．如图，⊙O与正六边形OABCDE的边OA、OE分别交于点F、G，则⌒FG所对的圆周角∠FPG 的大小为度.(第11题) (第12题)12．如图，在∆ABC中，AB=5,AC=4,点D在边AB上，若ACD∠=B∠,则AD的长为.13．如图，□ABCD的顶点B在矩形AEFC的边EF上，点B与点E、F不重合.若ACD∆的面积为3，则图中阴影部分两个三角形的面积和为.(第13题) (第14题)14．如图，在平面直角坐标系中，点A是抛物线2(3)y a x k=-+与y轴的交点，点B是这条抛物线上另一点.且AB//x轴，则以AB为边的等边三角形ABC的周长为.三、解答题（每小题5分，共20分）15．先化简，再求值：2(2)(2)2(3)a a a+-++，其中13a=．16.有甲、乙两个不透明的口袋，甲袋中有3个球，分别标有数字0,2,5；乙袋中有3个球，分别标有数字0,1,4 .这6个球除所标数字以外没有任何其他区别.从甲、乙两袋各随机摸出1个球，用画树状图（或列表）的方法，求摸出的两个球上数字之和是6的概率.2数学试题 第 页（共 6 页）317. 某班有45名同学参加紧急疏散演练.对比发现：经专家指导后，平均每秒撤离的人数是指导前的3倍，这45名同学全部撤离的时间比指导前快30秒.求指导前平均每秒撤离的人数.18. 如图，在同一平面内，有一组平行线1l 、2l 、3l ，相邻两条平行线之间的距离均为4.点O 在直线1l 上，⊙O 与直线3l 的交点为A 、B ，AB =12，求⊙O 的半径.四、解答题（每小题6分，共12分）19．长春市某校准备组织七年级学生游园．供学生选择的游园地点有：东北虎园、净月潭、长影世纪城，每名学生只能选择其中一个地点．该校学生会从七年级学生中随机抽取了a 名学生，对他们选择各游园地点的情况进行了调查，并根据调查结果绘制成如下条形统计图．（1）求a 的值.（2）求这a 名学生选择去净月潭游园的学生人数的百分比.（3）按上述调查结果，估计该校七年级650名学生中选择去净月潭游园的人数.20．如图，有一个晾衣架放置在水平地面上.在其示意图中，支架OA 、OB 的长均为108cm ，支架OA 与水平晾衣杆OC 的夹角AOC 为59º，求支架两个着地点之间的距离AB ．（结果精确到0.1cm ）【参考数据：sin59º=0.86,cos59º=0.52,tan59º=1.66】4五、解答题（每小题6分，共12分）21. 图①、图②均为44⨯的正方形网格，线段AB 、BC 的端点均在格点上. 按要求在图①、图②中以AB 和BC 为边各画一个四边形ABCD .要求：四边形ABCD 的顶点D 在格点上，且有两个角相等（一组或两组角相等均可）；所画的两个四边形不全等.22. 如图，在平面直角坐标系中，□ABCO 的顶点A 、C 的坐标分别为A (2,0) 、C (1-,2),反比例函数(0)ky k x=≠的图象经过点B . （1）求k 的值.（2）将□ABCO 沿x 轴翻折，点C 落在点C ＇处.判断点C ’是否落在反比例函数(0)ky k x=≠的图象上，请通过计算说明理由.六、解答题（每小题7分，共14分）23．某加工厂为赶制一批零件，通过提高加工费标准的方式调动工人积极性.工人每天加工零件获得的加工费y （元）与加工个数x （个）之间的部分函数图象为折线OA -AB -BC ，如图所示.（1）求工人一天加工零件不超过20个时每个零件的加工费. （2）求40≤x ≤60时y 与x 的函数关系式.（3）小王两天一共加工了60个零件，共得到加工费220元.在这两天中，小王第一天加工零件不足20个，求小王第一天加工的零件个数.数学试题 第 页（共 6 页）5 24．感知：如图①，点E 在正方形ABCD 的BC 边上，BF ⊥AE 于点F ，DG ⊥AE 于点G .可知△ADG ≌△BAF .(不要求证明)拓展：如图②，点B 、C 在∠MAN 的边AM 、AN 上，点E 、F 在∠MAN 内部的射线AD上, ∠1 、∠2分别是△ABE 、△CAF 的外角.已知AB =AC ，∠1 =∠2= ∠BAC .求证：△ABE ≌△CAF .应用：如图③，在等腰三角形ABC 中， AB =AC ，AB >BC .点D 在边BC 上，CD =2BD ，点E 、F 在线段AD 上，∠1=∠2=∠BAC .若△ABC 的面积为9，则△ABE 与△CDF 的面积之和为 .七、解答题（每小题10分，共20分）25. 如图，在平面直角坐标系中，直线242y x =-+交x 轴于点A ，交直线y x =交于点B .抛物线22y ax x c =-+分别交线段AB 、OB 于点C 、D ，点C 和点D 的横坐标分别为16和4，点P 在这条抛物线上. (1)求点C 、D 的纵坐标. (2)求a 、c 的值.(3)若Q 为线段OB 上一点，且P 、Q 两点的纵坐标都为5，求线段PQ 的长.(4)若Q 为线段OB 或线段AB 上一点，PQ ⊥x 轴.设P 、Q 两点之间的距离为d （d >0），点Q 的横坐标为m ，直接写出d 随m 的增大而减小时m 的取值范围.【参考公式：二次函数2y ax bx c =++（a ≠0）图象的顶点坐标为24()24,b ac b a a --】26.如图，在Rt △ABC 中,∠ACB =90°，AC =8cm ,BC =4cm ,D 、E 分别为边AB 、BC 的中点，连结DE .点P 从点A 出发，沿折线AD -DE -EB 运动,到点B 停止．点P 在AD的速度运动，在折线DE -EB 上以1cm/s 的速度运动.当点P 与点A 不重合时，过点P 作PQ ⊥AC 于点Q ，以PQ 为边作正方形PQMN ，使点M 落在线段AC 上.设点P 的运动时间为t （s ）.（1）当点P 在线段DE 上运动时，线段DP 的长为 cm （用含t 的代数式表示）. （2）当点N 落在AB 边上时，求t 的值.（3）当正方形PQMN 与△ABC 重叠部分图形为五边形时，设五边形的面积为S (cm 2)，求S与t的函数关系式.（4）连结CD.当点N与点D重合时，有一点H从点M出发，在线段MN上以2.5cm/s 的速度沿M-N-M连续做往返运动，直至点P与点E重合时，点H停止往返运动；当点P在线段EB上运动时，点H始终在线段MN的中点处.直接写出在点P的整个运动过程中,点H落在线段CD上时t的取值范围.6数学试题 第 页（共 6 页）7 2012年长春市初中毕业生学业考试数学参考答案及评分标准一、选择题（每小题3分，共24分）1．A 2．C 3．B 4．D 5．C 6．A 7．C 8．D 二、填空题（每小题3分，共18分） 910．2ab 11．60 12．16513．3 14．18 三、解答题（每小题5分，共20分）15．解：原式=22242632a a a -++=+． （3分）当13a =时，原式=2173()233⨯+=． （5分） 16．解：（3分）∴P （两个数字之和是6）=29． （5分） 17． 解：设指导前平均每秒撤离x 人． （1分）根据题意，得4545303x x-=． （3分） 解得1x =.经检验，1x =是原方程的解，且符合题意．答：指导前平均每秒撤离1人． （5分）18. 解：过点O 作OC ⊥AB 于C ，连结OA ． （1分）∴1112622AC AB ==⨯=． 在Rt △AOC 中，∠ACO =90°，OC =428⨯=， （3分） ∴10OA =．∴⊙O 的半径为10 ． （5分）或8四、解答题（每小题6分，共12分） 19．解：（1）18201250++=，所以a 值为50. （2分） （2）20100%40%50⨯=， 所以这50名学生选择去净月潭游园的人数的百分比为40%. （4分） （3）650×40％=260(人).所以该校七年级650名学生中会选择净月潭游园的人数约为260人.（6分）20．解：过点O 作OD ⊥AB 于D . （1分）∵OA =OB , ∴ AB=2 AD ． ∵CO ∥AB ,∴∠OAD =∠AOC =59º . （2分） 在Rt △ADO 中，∠ADO =90，cos ADOAD OA∠=， （4分） ∵OA =108，∴cos 108cos591080.5256.16AD OA OAD =⋅∠=⨯=⨯=. ∴AB =2×56.16=112.32≈112.3(cm).答：支架两个着地点之间的距离AB 约为112.3cm ． (6分)五、解答题（每小题6分，共12分） 21．解：以下答案供参考．画对一个得3分，共6分．(画出符合要求的凹四边形同样赋分)22．解：（1） ∵四边形OABC 是平行四边形，∴CB = OA , CB ∥OA . ∵A (2，0) ,C (1-，2),∴B （1，2）. （3分）数学试题 第 页（共 6 页）9 ∵反比例函数ky x=(k ≠0)的图象经过点B ， ∴21k=，2k =. （4分） （2） 点C ＇在反比例函数2y x=的图象上.理由：由翻折可知，点C ＇与点C 关于x 轴对称， ∵C (1-，2)， ∴C ＇（－1，－2）.由（1）知，反比例函数解析式为 2y x= . ∵当1x =-时，221y ==--， ∴点C ＇在反比例函数2y x=的图象上. (6分)六、解答题（每小题7分，共14分） 23．解：（1）∵60320=（元）， ∴工人一天加工零件不超过20个时每个零件的加工费为3元. （1分） （2）当40≤x ≤60 时，设y 与x 的函数关系式为y kx b =+.∵图象经过（40,140）、（60,240）,∴40140,60240.k b k b +=⎧⎨+=⎩解得5,60.k b =⎧⎨=-⎩∴当40≤x ≤60 时，y 与x 的函数关系式为560y x =- . （4分） （3）设小王第一天加工a 个零件,则第二天加工(60)a -个零件.∵小王第一天加工零件不足20个， ∴0≤a ＜20. ∴40＜60a -≤60. 根据题意，得()356060220a a +--= . 解得a =10.∴小王第一天加工10个零件. (7分)24.拓展: ∵1ABE BAE ∠=∠+∠， BAC CAF BAE ∠=∠+∠,又∵1BAC ∠=∠,∴ABE BAE CAF BAE ∠+∠=∠+∠.10∴ABE CAF ∠=∠. (2分) ∵∠1 =∠2, 1180AEB ∠+∠=︒，2180CFA ∠+∠=︒,∴AEB CFA ∠=∠. (4分) 又∵AB =AC ，∴△ABE ≌△CAF . (5分)应用: 6 (7分) 七、解答题（每小题10分，共20分）25．解：（1）在242y x =-+中，当x =16时，y =10.在y x =中，当x =4时y =4.∴点C 的纵坐标为10，点D 的纵坐标为4. （2分） （2）由（1）知，点C 的坐标为(16,10)，点D 的坐标为(4,4).∵抛物线图象经过点C 、D ，∴2563210,168 4.a c a c -+=⎧⎨-+=⎩解得1,810.a c ⎧=⎪⎨⎪=⎩ ∴a 的值为18， c 的值为10. （4分） （3） 在y x =中，当x =5时y =5.∴点Q 的横坐标为5.由（2）可知，抛物线的解析式为212108y x x =-+. 当y =5时，2121058x x -+=，解得8x =±∴点P的横坐标为8±①当点P 在点Q 左侧时，线段PQ的长为5(83--=. ②当点P 在点Q 右侧时，线段PQ的长为(853+-=+ ∴线段PQ的长为3或3+（8分） （4）当0≤m ＜4或12≤m ＜16时，d 随m 增大而减小. (10分)26．解：（1）（2t -） （不要求写t 的取值范围） （1分）（2）①当点P 在线段DE 上时，如图①.PD = PN =PQ =2.数学试题 第 页（共 6 页） 11 ∴22t -=.∴t =4.②当点P 在线段BE 上时，如图②.PN =2PB .∵PN =PC =(t －6)+2=t －4，BP=2-(t －6)=8－t ，∴42(8)t t -=-,解得 203t =. ∴当点N 落在AB 边上时，t 的值为4或203. （3分） （3）①当2＜t ＜4时，如图③，S =2212(4)4t --， 即2124S t t =-+. ②当203＜t ＜8时，如图④， S =()221(4)3204t t ---, 即2522844S t t =-+-. （7分） （4）143t =或5t =或6≤t ≤8. （10分） 提示：当点H 第一次落在线段CD 上时，12.5(4)(4)22t t -+-=，解得143t =. 当点H 第二次落在线段CD 上时，12.5(4)2(4)2t t --=-，解得5t =. 当点H 第三次落在线段CD 上时，16 2.5(4)(4)2t t --=-，解得6t =. 当6≤t ≤8时，点H 恒在线段CD 上.。