北京市东城区2012年中考二模英语试题(含听力音频)
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# 姓 名 学 校 北京市怀柔区2012年高级中等学校招生模拟考试 英语答题卡 准 考 号
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0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 缺考标记： 监考老师代涂缺考标记 1.答题前，考生先将自己的姓名、学校、准考号填写清楚并认真填涂准考号下方的涂点。
2.选择题部分必须使用2B 铅笔填涂；非选择题部分必须使用黑色字迹签字笔书写，字体工整笔迹清楚。
3.请按照题号顺序在各题目的答题区域内作答，超出答题区域书写的答案无效；在试卷上答题无效。
4.保持卡面清洁，不折叠、不破损。
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∃ 英语试卷答题卡 第1页（共2页）
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达 八、阅读短文，回答问题 64. 65． 66． 67． 68． 九、根据中文意思完成句子 69. 70． 71. 72. 73.
十、文段表达
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英语试卷答题卡 第2页（共2页） 北京平阳众信科技发展有限公司设计 怀柔区教科研中心监制。
2012年北京市中考英语试题(word_版_含答案)
2012年北京市初中毕业考试英语试卷第一部分听力部分一、听力测试(共三节,满分25分)第一节(共6小题,每小题1分,满分6分)听下面6个问题。
每个问题后有三个答语,从题中所给的A、B、C三个选项中选出最佳选项。
听完每个问题后,你都有5秒钟的时间来作答和阅读下一小题。
每个问题仅读一遍。
( )1.A.He’s eight y B.It’s all right C.Very well.( )2.A.She’s in blue B.She’s singing C.Under the tree.( )3.A.A math book. B.Pretty nice C.At eleven.( )4.A.In the room. B.The black one C.Very nice.( )5.A.Very cool. B.Not expensive C.At 8:30 a.m.( )6.A.Jerry. B.Friendly C.With Jim.第二节(共6小题,每小题1分,满分6分)听下面6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。
听完每段对话后,你都有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。
( )7.How is the weather today?A.SnowyB.SunnyC.Rainy.( )8.Where is the post office?A.In front of the parkB.Opposite the park.C.Next to the park.( )9.What would the man like to drink?A.Orange juiceB.TeaC.Water.( )10.When is the woman’s birthday?A.Next TuesdayB.Next Wednesday.C.Next Thursday.( )11.What is Laura like?A.QuietB.OutgoingC.Boring.( )12.What does the man mean?A.Bob will be on time.B.Bob won’t be on timeC.Nobody will be on time.第三节(共13小题,每小题1分,满分13分)听下面4段对话或独白。
2023年北京东城区高三二模英语试题及答案(不含听力)
2023年北京东城区高三二模英语试题本试卷共11页,共100分。
考试时长90分钟。
考生务必将答案答在答题卡上，在试卷上作答无效。
考试结束后,将本试卷和答题卡一并交回。
第一部分: 知识运用(共两节,30分)第一节完形填空(共10小题;每小题1.5分,共15分)阅读下面短文,掌握其大意,从每题所给的A,B、C,D四个选项中,选出最佳选项,并在答题卡上将该项涂黑。
One October morning, 1 planned to take Honey，my dog，out with me. We live in a 1_____ area up in the hills. Our driveway is barely wide enough for one car，with a ravine(深沟）on one side. While I was starting the car slowly，a flash of sunlight 2_____ me. I put my hand up to block the sunlight. Suddenly，the car slipped in the soft soil，and rolled down the ravine. After several rolls，we 3_____ upside down. I was stuck and felt a sharp pain in my chest. I looked over to find Honey. Luckily, she was okay.We were at least 50 feet down. Just as I'd 4_____, my cell phone couldn't get a signal.Calm down! I told myself. At least I could get Honey out of here. Painfully，I reached over and picked her up and 5_____ put her through a broken window. “Go home，baby.” She jumped to the ground and raced up the side of the ravine.I could do nothing but sit there for hours. The last bit of light faded away. Slam! Was thata car door? "Help!” I shouted with all my 6_____.“Mike! Where are you?” It was Robin，my closest neighbor，who lived two miles downhill from me.Half an hour later，the rescue crew 7_____ and rushed me to the hospital.The next day Robin brought Honey to the hospital. She got right up next to me on the bed and snuggled(依偎)close. With her there，it was like my pain 8_____. “I got home from work and Honey was waiting for me,” Robin said, “She got 9_____ and ran in circles，like she was trying to tell me something !”Robin figured he'd bring Honey back to my 10_____, and that's when he heard me shout.Honey，my life-saving hero!1. A. crowded B. new C. popular D. remote2. A. covered B. blinded C. burnt D. warned3. A. landed B. circled C. drove D. pulled4. A. hesitated B. feared C. agreed D. doubted5. A. actively B. constantly C. gently D. secretly6. A. courage B. wisdom C. patience D. strength7. A. called B. arrived C. formed D. searched8. A. returned B. spread C. froze D. disappeared9. A. confused B. disappointed C. anxious D. bored10. A. house B. car C. hospital D. office第二节语法填空(共10小题;每小题1.5分,共15分)阅读下列短文,根据短文内容填空。
2012北京中考英语试题及答案
2012北京中考英语试题及答案注意：本试卷分I卷和II卷。
I卷部分答在答题卡上（在答题卡上把代表所选答案的英语字母涂黑）；II卷部分答在试卷上（在试卷中所指定的空白处写出答案）。
考试时间断20分钟。
第I卷（选择题，共80分）一．听力测试（共四大题，每小题目1分，满分20分。
每小题目念两遍。
）I. 回答问题从A、B、C三个答案中选出一个所你所听到的问题相应的答案。
1. A. At home. B. Very late. C. It was delicious.2. A. Wood, I think. B. It’s cheap but useful. C. A factory in Wuhan.3. A. It’s nice B. About I thousand yuan. C. On June 8th.4. A. I think so. B. With Class Two. C. Bill will.5. A. In the classroom. B. After class was over. C. It was about the sports meeting. II. 单句理解从A、B、C、三个答案中找出一个与你所听到的句子意义相近的答案。
6. A. They are very good friends.B. They work very well.C. They will go together.7. A. John can’t speak English at all.B. John can’t speak English well.C. John wants to learn to speak English.8. A. Nobody told Jack and Jane the story yesterday.B. They told the story yesterday.C. Someone told them the story yesterday.9. A. John and Ann like watching TV.B. An likes watching TV with John.C. John likes watching. TV but Ann doesn’t .10. A. Jack’s f ather had no ticket to see the film.B. Jack’s father didn’t want him to go to the cinema.C. Jack’s father went to the film with him.III. 对话理解从A、B、C三个答案中，选出一个与你所听到的一段对话内容相符的问题的答案。
2024北京东城区高三二模英语试题及答案
2024北京东城高三二模英 语本试卷共11页，共100分。
考试时长90分钟。
考生务必在答题卡指定区域作答，在试卷上作答无效。
考试结束后，将本试卷和答题卡一并交回。
第一部分知识运用（共两节，30分）第一节完形填空（共10小题；每小题1.5分，共15分）阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
Steven took his 7-year-old son Alex and 4-year-old daughter Mia out on his boat for fishing and fun. But inthe blink of an eye, things took a terrifying 1 when a strong current suddenly swept through, causing Mia to 2 her hold on the boat.While Mia wore a life jacket, Alex did not. But as the current pulled his sister away, Alex wasn’t going to leave her alone. He, too, let go of the 3 and swam toward his sister.Realizing the danger, Steven 4 jumped into the water and tried to help his kids. But the strong current made it difficult even for him. So he told Alex to swim to shore while he tried to rescue Mia.“I told them both I loved them because I wasn’t sure what was going to happen,” Steven recalled. “I tried to 5 Mia as long as I could. But finally I wore myself out, and she drifted away（漂走） from me.”Alex followed his dad’s 6 and headed for the shore. But it was no easy task. “The current was going the opposite way,” he explained.This little boy spent an hour 7 his way back to land. He swam more than a mile. Once he finally made it to the shore, the boy ran to the first house he could find and begged for 8 . From there, Jacksonville authorities 9 and rescued Steven and his daughter.Alex, the brave and 10 little boy saved his sister and dad. If not for him, it would have been a different story.1. A. hit B. turn C. pause D. risk2. A. release B. find C. escape D. regain3. A. fish B. jacket C. boat D. current4. A. unusually B. suddenly C. instantly D. unexpectedly5. A. relate to B. wait for C. count on D. stick with6. A. explanation B. footsteps C. example D. instructions7. A. clearing B. fighting C. picking D. changing8. A. security B. understanding C. permission D. help9. A. cut in B. looked out C. took over D. came around10. A. tough B. humble C. hard-working D. confident第二节语法填空（共10小题；每小题1.5分，共15分）阅读下列短文，根据短文内容填空。
东城区2024届初三二模英语试题及答案
东城区2023-2024学年度第二学期初三年级统一测试（二）英语试卷2024.5 学校__________ 班级__________ 姓名__________ 教育ID号__________第—部分本部分共33题,共40分。
从每题列出的四个选项中,选出最符合题目要求的—项。
—、单项填空（每题0.5分,共6分)从下面各题所给的A、B、C、D四个选项中,选择可以填入空白处的最佳选项。
1.When my little brother saw the new toy, ________ eyes shone with happiness.A. yourB. theirC.herD.his2. We will go on a school trip ________ three weeks. I can't wait!A. atB. onC. inD. of3. —Tony, ________did you spend on your new shirt?—Eighty yuan.A.how muchB. how longC.how oftenD. how soon4. —Lucy, ________ you come over to my house and work on our project together?—Yes, I ________ would be happy to.A. mustB.shouldC. couldD. need5. Paul enjoys playing video games, ________ he doesn't spend much time on them.A. butB.soC. orD. for6. Lisa speaks ________in front of the class than she used to.A. confidentlyB. more confidentlyC. most confidentlyD.the most confidently7.— Mary, what are you doing?—I ________ out my shopping list.A. writeB. am writingC.wroteD.was writing8.—Sam, what do you usually do to help around the house?—I________ out the rubbish.A.takeB. tookC.have takenD. will take9.My aunt________ to many places since her twenties.A. travelsB. traveledC. will travelD.has traveled10.While we________ for the bus, a man asked us how to get to the nearest bank.A. waitB.have waitedC. were waitingD.are waiting11. — Lily,you look tired. What's wrong?—I________ up by a loud noise last night.A. wakeB.wokeC.am wokenD. was woken12. —Do you know________ in yesterday's class meeting?—The upcoming fire safety practice.A. what Mr. Li talks aboutB. what Mr. Li talked aboutC. what does Mr. Li talk aboutD. what did Mr. Li talk about二、完形填空（每题1分,共8分)阅读下面的短文,掌握其大意,然后从短文后各题所给的A、B、C、D四个选项中,选择最佳选项。
中考英语五选四(话题)
五选四整理（20篇）记叙文一（2012年朝阳一模）安全与救护I’d just got in a taxi at the railway station when suddenly I found one of my suitcases (手提箱) missing. Just then, I saw a young man, not very far, opening it and taking out valuables. “Stop thief! Stop thief!” I shouted and threw open the car door and rushed out to him, followed by the driver and some passers-by. 60 . My driver caught him by the neck and took out the valuables from his trouser pocket and put them back into my suitcase.Half an hour later, I sat back in the taxi and breathed a sight of relief (松了一口气). But as I checked those stolen things, I became very surprised, unable to speak. 61 . And a blood test report of a 58-year-old woman appeared. I suddenly realized that the taxi driver must have mistak en the thief’s things and put his into my suitcase.62 . But this story keeps coming back to me. Was the young man a habitual thief or a dutiful son who had been driven to find money to save his mother’s life? 63 . How I wish I had gone back that afternoon to return the money and the report and say sorry to him. For the first time in my life, I realized that hate and love are very close.答案： D E B A记叙文二、（2012 东城一模）历史与社会Have you ever wondered why toy bears are called Teddy Bears?Why not Harry or Joe or Jane? 60 .The president was Teddy Roosevelt. He was the 26th president of the United States. In 1902 Roosevelt went bear hunting（狩猎）with some friends. 61 . He couldn’t seem to find anything. His friends found a black bear, and tied it to a tree. They thought that Roosevelt would want to shoot it with his gun. But when Roosevelt saw the bear, he refused to kill it. Shooting a bear tied to a tree wasn’t fair!62 .A newspaper artist heard the story of the bear hunt and drew a cartoon about it.63 . He made a toy bear. Later he was allowed to use President Roosevelt’s name for the bears he made. T he “Teddy Bear” was born!答案：E C A D记叙文三、(2012丰台一模)人际交往Two men are in the same room of a hospital. 60_______. One man has to lie on his back all day.Every day, the man sitting up by the window tells the other about things outside.“Some children are throwing bread to the ducks on the lake.”“61_______.” The other man is happy to hear about all the activities and colors of the world outside.Days and weeks pass. 62_______. The other man asks the nurse to move his bed next to the window.Finally he can sit up to see the outside, but he is very disappointed. All he can see is a white wall！“But my roommate told me so many wonderful things about outside!” he says.“He was blind. 63_______. He just wanted you to live with hope,” says the nurse.答案： E C B A记叙文四、（2012丰台二模）安全与救护A police officer pulled a car over. When he walked up to the car, aman rolled down (摇下) the window. “__60___” he asked.The policeman answered: “I stopped you for running that red lightbehind you.”Just then the man’s wife leaned forward from the passenger’s seat and said in a very loud voice: “I told him to stop at that light. But did he listen? No. __61___”The man turned to his wife and shouted: “Shut up!”The policeman continued: “And just before the light I clocked (测速) you doing 50 miles (80km) per hour. __62___”His wife leaned forward again and whined (埋怨): “I told him to slow down. But did he listen to me? No! He never listens to me.”__63___ “Shut up! I told you to SHUT UP!”The policeman looked at the woman and asked: “Does he always talk to you this way?”To which the woman replied: “Only when he has been drinking.”答案：记叙文五、（2012东城二模）语言学习Armida Scarpa is an English teacher. She believes that stories can be used from the very beginning. She uses a real text of Goldilocks with her class. 60 . They are in their second year at school. They are learning to read in Italian, and have English three times a week. She doesn’t expect the children to learn the difficult grammar. 61 . She only asks them to really learn the words. This method is to give children an experience of real English and allows the teacher to use almost any story. 62 and if the teacher uses it carefully, the children can understand it.Children are used to living in a world where they do not understand a lot of things. 63 , but they can also notice all the other information around them. If we deprive (剥夺) children of every experience except those we want them to master, then we take away the chance for them to experience this natural growth.答案：CBDA记叙文六、（2012海淀二模）历史与社会Maria Martinez is remembered today as the maker of beautiful pottery. Herpottery is in museums all over the world.60 She lived in New Mexico in America. As a young woman, Maria was known for the fine pots she made. Maria and the other village women made pots for their families. They also sold pots to visitors.In 1908, some archaeologists (考古学家) found broken bits of pottery in Maria’s village. They belonged to Americans who lived there 700 years before.61 They were thinner than Maria’s pots. The finds influenced her art. Maria decided to make such a pot. Her husband helped her. They had to find a way to make the pot thinner. Maria knew the clay she used would not work. A thin pot made out of that clay would crack (破裂) easily. Maria mixed different amounts of clay, sand, and water. 62 Maria produced many pots in her lifetime. 63 They are keeping the old ways alive just as Maria had done before.答案：EDBA记叙文七、（2012石景山二模）节假日活动I’ll remember the first carnival（狂欢节）. 60. __________. My parents came from Jamaica and they helped to start carnival. We had very little money, but we made costumers from old bits of material and feathers, and colourful masks. We decorated old lorries, so that we could ride on them through the streets. It took us six months to get ready.But on the big day, all our hard work had been worth it. People of all ages, from babies to grandparents, black and white, danced together in the street. 61. __________.The music was played on anything made of metal: it was very noisy.There were people watching from the windows of every house. We ate all our favourite Jamaican food, washed down with beer. 62. __________– but carnival helps you forget the weather!When the carnival got too big, those old streets became too narrow for such big crowds（人群）. Some people said they felt frightened by the large crowds and the noise. We were worried that carnival would be banned（禁止）. Then we found an answer – everything was moved to a wider and safer street. 63. __________.答案：ACBE记叙文八、（2011海淀二模）通讯I was born in the computer age. 61 . Theywere already adults when the first personal computercame out. But with the development of technology,more jobs need skills like typing, sending e-mails,etc.When I was in middle school, they started asking me to help them do things with computers.62 . But my dad would make me stay up to finish his work. My parents even made me talk on the phone whenever there was something wrong with our computer.After realizing my parents really need my help, I tried to be more understanding. After all, I wasn’t born knowing how to use a computer. 63 ? I feel that teaching them by myself is better. We can communicate more and share understanding.I know it’s usually hard for adults to learn new skills. And a patient teacher is helpful for them. 64 . Parents and teens need to help each other.答案：BDEA记叙文九、（2011朝阳二模）语言学习Once our teacher was teaching a new lesson. 61 , there was a story from a movie star's experience. Our teacher said, “Let's pick a student to become the movie star and read the story.”Suddenly, she said, "You!" Everybody looked around. I looked behind me, but then she looked right at me and sai d, “You!62 . They’re fashionable--just like the movie star’s, so come in front of everybody and read. ”She wanted me to be the movie star who got the National Acting Award! Then I started to read aloud, “I've just won the National Acting Award! Now I'm famous!63 !”But when I wanted to continue to read, the teacher stopped me. She said, “When you read, you should read emotionally!” I wanted to read well, but I didn't know how to. I just tried to finish the paragraph. Then she picked another student to continue to read.64 . We all thought that picking students to stand in front of everybody to read from the book was good for practicing English because we got more chances to speak.答案：CDAE记叙文十、（2011石景山二模）科普知识与现代技术When his 18th birthday was coming, the young man began thinking about looking for a job. 61. ________. “But, most got no reply,” he said. “Maybe they were surprised about my primary school education.”By chance, one of his friends was looking for someone, who could work as an egg porter（搬运工）in the supermarket. Facing lots of difficulties in getting a job, he said, “I’ll take it.” 62. ________. He did that for three months.Later, he heard that a newspaper was looking for a network technician（网络技术员）, so he asked for it. 63. ________. He practiced his skill right in front of the computer, and showed them the web pages he had designed. He started to work the next day, and became the director in less than a year.64. ________. In January 2005, he started a magazine for children, with himself as the editor in chief（主编）.答案：DCEB记叙文十一、（2012燕山一模）饮食A friend’s grandfather cam e to America from Britain. He went into a cafeteria in Manhattan to get something to eat. 60 and waited for someone to take his order. Of course nobody did. At last, a woman with a plate full of food sat down in front of him and told him how a cafete ria worked. “61 .” she said. “Just go along the line and pick out what you want. At the other end they’ll tell you how much you have to pay.”“I soon learned how everything worked in America.” the grandfather told a friend. “62 . You can get anything you want only if you like to pay the money. You can even get success, but you’ll never get that if you wait for someone to bring it to you.63 .”答案： C A B D记叙文十二、（2012平谷一模）家庭、朋友与周围的人I was coming downstairs to get breakfast when the post came. I was waiting for a letter from my friend Sam, so I picked the letter up and looked through them. I wasn’t surprise to see that there were some bills. There was an invitation to a party. There wasn’t a letter from Sam.60 , it shows some birds and the sea. What a nicepicture!I turned the postcard over. It wasn’t easy to read. 61 . I didn’t know who wrote it? I tried to read any of the words. I could read “Dear Tom, I’m having a lovely time in….” Then the writing became unclear. 62 . Who had gone to the seaside? I couldn’t think of a nyone! It was a mystery(谜团). There was another mystery too. Where was Sam’s letter?Just then the phone rang. It was Sam! “I’m calling to see if you got any postcard,” he said. “We are at the seaside, not in London. We changed our minds. Mum and Dad are resting after our walk. 63 . I’m sorry I didn’t write a letter. We’ve been so busy.”Both mysteries were solved!答案：B C E A记叙文十三、（2012顺义一模）日常活动A young boy had just gotten his driving permit. He asked his father, who was a minister, if they cou ld discuss his use of the car. His father said to him, “60 . You bring your grades up. Study yo ur Bible a little, and get your hair cut. Then we will talk about it” A month later, the boy came back and again asked his father if they could discuss his use of the car. His father said, “61 You have br ought your grades up, you’ve studied your Bible diligently,62 ” The young man waited a moment and then replied, “You know, Dad. I’ve been thinking about that. You know Samson had long hair, Moses had long hair, Noah. had long hair, and even Jesus（耶稣）had long hair.” His father replied, “Yes son,63 ” The son stood there still and thought hard on what his father had just said to him.A. Sta答案：B A C E记叙文十四、2011朝阳一模自然Jack found a dog entered his shop with a note in his mouth. __61__, “Can I have a bag of salt?” The d og had money in his mouth, too, so Jack took the money and placed the salt in the dog’s mouth. Jack was very surprised and since it was closing time, he decided to close the shop and follow the dog.When the dog came to a crossing, he waited for the lights to turn green before crossing the road.__62__. When a bus came, he walked to the front, looked at the number, but didn’t get on. A few minutes later, another bus came and this time the dog climbed on. The bus traveled through the city and the dog kept looking out of window. __63__, moved to the front and pressed the button to stop the bus. He then got off with the salt in his mouth.When the dog got home, he knocked at the door and a man who seemed a little angry opened it. Jack ran up and said to the man, “Your dog is so clever. He could be on TV!” __64__, “You call this clever? This is the second time this silly dog has forgotten his key.”A. Finally he got upB. He took the note and read itC. Then he came to a bus stopD. But the man replied loudlyE. He got off the bus at once答案：BCAD十五、2011-2012东城初三第一学期期末考试个人情况Something very strange happened to Lisa. She never knew she had a twin （孪生的）sister until she started university!Lisa was born in Mexico. 1 , so she went to live with a family in Manhattan, USA.When Lisa was twenty years old, she started university in Long Island. 2 . But one day she was walking home from class, and a student smiled at her. “Hello, Jane!” said the student. “I’m not Jane,” said Lisa.This happened to Lisa again and again. It was very strange. One day, when a woman called her Jane, Lisa asked “Why do you keep calling me Jane?”The woman replied, “You look like my friend Jane. You have the same face and the same hair. Is Jane your sister?” Lisa said she didn’t have a sister called Jane.3 . Finally she asked someone for Jane’s email address.When Lisa wrote to Jane, she found out that they both had the same birthday, they looked the same and both of them were from Mexico. When Lisa went to live with the family in Manhattan, Jane moved to Long Island to live with a family there. 4! It had to be true!十六、（2012海淀一模）情感与情绪I’ve been singing and performing poetry since I was six years old. I used to sing for my mother’s friends. 60I have written three books of poetry and songs. I gave all the money from the books to children’s charities. 61 Money from the second book was spent on homeless children in Bosnia.I visit patients at a local hospital every Saturday morning. I talk and sing for them. I guess that’s what’s really fulfilling(令人满意的) to me, when I sing to someone who is dying, and someone who is really sick and who doesn’t even know what’s happening. 62Everyone can give love, and love is what everyo ne wants. That’s a really important lesson to me. 63 Making someone happy makes you happy, and they go on and make others happy and it’s like a chain. You change when you get older, but love is ageless. When you are 7, 13, or 102 years old, love is the same.答案：B D E A说明文十七、2011丰台一模历史与社会Bill Gates is a very important person in the computer industry. He has been the chief of Microsoft Company for several years. He is also the richest person in the United States. How did he do it?He learned a lot from his parents. While Bill was going to school, his father went to college, got a degree, and became a successful lawyer. 61. His mother was a very busy teacher, but she also loved going to parties. From this, he learned something else: if you want to work hard and play hard, you have to make a schedule.62. While most of his friends were playing, Bill read all of the Word Book Encyclopedia and finished it when he was 8 years old. 63. He used to play a lot of sports—swimming, water—skiing, tennis. When Bill got older, he spent more and time working and playing on a computer.Before he was twenty, Bill developed the world’s first computerlanguage for the personal computer. 64. He thought that every home was going to have a computer, and every computer would need software—his software. He said, “I’m going to make my first million dollars on software by the time I’m 25.”And he did!答案：DCBE说明文十八、（2011西城二模）天气Tornadoes are whirlwinds (旋风) with speeds of up to 400 km per hour. In Britain, there were very few tornadoes in the past. 61 . Tornadoes are only one sign of the world’s climate changes. 62 . The number of thunderstorms is increasing, and there are more floods in some parts of the w orld, and there’s much less rain in others.Scientists still do not know enough about the reasons for these climate changes.63 .Cutting down trees, burning too much oil, and the increase in the number of carsare some of the things that cause the problems. Global (全球) temperatures are rising because of these things.Scientists believe that if the temperatures continue to rise, the ice at the poles will melt (融化).64 . Some islands might disappear completely. All this means that unless we do something to stop global warming now, there may be many other dramatic changes in the future.答案：EDBA说明文十九、（2012怀柔一模）科普知识与现代技术Hotlines have become common in China. Some radio broadcasting stations（广播电台）use hotlines to encourage the listeners to take part in the talk show. Are you interested in hotline?That’s a good idea. Yet, the fact is, some people do nothing but break the whole program. Some people know little about the topic under discussion. Sometimes they even do not know what the host is talking about. 60 .Usually the caller will ask a few questions which express his hope and show his ignorance（无知）. Then the host has to answer and explain how silly this is ! It wastes a lot of time.61.__ They just want to let the listeners hear them. They do not care about what the topic is, whether they themselves are interested in or how silly they appear to be.I am really bored by those people. 62.___ In my opinion, if a caller does not know what is going on, the operator should not let the caller take part in it.63.__Some radio or TV stations hold the hotline in order to get more money from the children. So if your phone fee goes up quickly suddenly, maybe your son or daughter often phone hotline.答案：DAEB说明文二十、2011海淀一模自然A mineral is something in nature that is neither a plant nor an animal.Most rocks have two or more minerals. 61First, look for color. Some minerals are light in color, while others ate dark. 62 because many minerals have more chemicals that give them a different color.63 Some minerals shine brightly. Others may look smooth. Still others may have a shining luster, like the inside of some seashells.Third, look for how the mineral breaks apart. Some minerals come apart into thin, flat sheets. Others come into small cubes. Still others break up into pieces with different shapes.Finally. look for hardness. 64 Some minerals are soft, so you can cut them with your hand. Others can be cut with a coin. Still others can be cut with a penknife.A. Second, look for luster, or shininessB. What can we do to discover a mineralC. You can discover a mineral by looking at its sizeD. You, can test a mineral for hardness by trying to cut itE. But color is not always the best way to discover a mineral 答案：BEAD。
2024北京东城区初三二模英语试卷和答案
2024北京东城区初三二模英语试卷和答案一、听力部分（30分）1. 听录音，选择正确的答案。
（10分）（1）A. He is a teacher.B. He is a doctor.C. He is a student.（2）A. She likes apples.B. She likes bananas.C. She likes oranges.（3）A. They are playing football.B. They are playing basketball.C. They are playing volleyball.2. 听录音，补全句子。
（10分）（1）______ is my favorite fruit.（2）______ is my best friend.（3）______ is my hobby.3. 听录音，判断正误。
（10分）（1）Tom is twelve years old. __________（2）Lucy likes reading books. __________（3）They are visiting the museum.__________二、单项选择（15分）1. A: What are you doing now?B: I'm ________ (do) my homework.A. doB. doingC. doneD. did2. There are ________ (many/much) books on the desk.A. manyB. muchC. someD. any3. He ________ (go) to the library every weekend.A. goB. goesC. wentD. gone4. I ________ (be) to the Great Wall twice.A. have beenB. has beenC. wentD. go5. ________ is your favorite subject?A. WhatB. WhichC. WhoD. Whose三、完形填空（15分）Dear Tom,I'm so happy to receive your letter. It's been a long time since we last saw each other. I hope you are doing well. I have some news totell you. I ________ (1) a new school this year. It's called No. 1 Middle School. It's very big and beautiful. There are many trees and flowers around the school. Our teachers are very kindand helpful. They always ________ (2) us tostudy hard.We have many subjects, such as math, English, Chinese, physics, chemistry, and so on. My favorite subject is ________ (3). I think it's very interesting and useful. I also like playing sports. My friends and I often play basketball after school. We ________ (4) it very much.Last week, we had a school trip to the Summer Palace. It was a beautiful day. We took many pictures and had a great time together. I________ (5) the trip very much.Please write to me soon and tell me aboutyour life. I miss you very much.Best wishes,Lucy1. A. visited B. visited C. visiting D.visit2. A. tell B. tells C. telling D. told3. A. math B. English C. Chinese D. physics4. A. like B. likes C. liking D. liked5. A. enjoy B. enjoys C. enjoying D. enjoyed四、阅读理解（30分）Passage 1Many people like to watch sports games. Some people like to watch football matches, while others prefer basketball games.Sports can be exciting and fun, but they can also be dangerous. For example, in some sports, players can get hurt. Some players may even break their bones.However, sports can also be very good forour health. They can help us keep fit and strong. Exercise is important for our bodies and our minds. When we play sports, we can make new friends and learn to work together as a team.What kind of sports do you like? Do youthink sports are important for you?1. What is the main idea of this passage?A. Sports can be dangerous.B. Sports are good for our health.C. Some people like to watch sports games.D. Players can get hurt in sports.2. Why do some people like to watch sports games?A. Because they are exciting and fun.B. Because they are dangerous.C. Because they can make new friends.D. Because they can keep fit and strong.Passage 2In China, the Spring Festival is the most important festival for people. It is also called Chinese New Year. People celebrate it to welcome the new year and say goodbye to the old year.During the Spring Festival, people do many things. They clean their houses and put up red decorations. They also buy new clothes and prepare special food. Families get together to have a big meal and share happy moments. People give red envelopes to children and relatives as gifts. They believe that red envelopes can bring good luck and fortune.How do you celebrate the Spring Festival? Do you think it is an important festival for you?3. What is the main idea of this passage?A. The Spring Festival is the most important festival in China.B. People clean their houses during the Spring Festival.C. People give red envelopes to children and relatives.D. The Spring Festival is a time for families to get together.4. Why do people clean their houses during the Spring Festival?A. To welcome the new year.B. To say goodbye to the old year.C. To prepare special food.D. To put up red decorations.五、书面表达（20分）假设你是李华，你的朋友Tom给你写了一封信，询问你的学习和生活情况。
2024年北京中考英语模拟卷2含答案
2024年北京中考英语模拟卷2一．选择题（共12小题）1．We will live in a greener world if we ______ the earth well.（）A．protect B．are protectingC．protected D．will protect2．My father is interested in news and ______ favourite program is News 30 Minutes.（）A．her B．his C．your D．their3．After swimming for a year，I am much than before.（）A．fit B．fitterC．fittest D．the fittest4．The Paris Olympic Games ______ from July to August，2024.（）A．holds B．will holdC．is held D．will be held5．It is my father's birthday today.I have got a present for .（）A．her B．him C．you D．me6．﹣Chris，what are you doing？﹣I______ to some music.（）A．listen B．am listeningC．listened D．will listen7．We up with more ideas if the teacher gives us more time in class.（）A．come B．came C．will come D．have come8．—My dream is to be a good doctor.—I believe you your dream if you keep on working hard.（）A．will realize B．realizeC．realized D．have realized9．Chinese people prefer the color red during the Spring Festival ______they think red can bring good luck.（）A．so B．because C．but D．or10．—Jack，which season do you like ？—Spring，of course.（）A．good B．well C．better D．best11．—How wonderful the music is!—My brother the piano in the next room.（）A．plays B．will playC．is playing D．has played12．Our hometown is much _____ than before．（）A．beautiful B．more beautifulC．most beautiful D．the most beautiful二．完形填空（共1小题）13．In her grandparents' old house，Maya discovered an old family calendar，with each page filled out carefully.On June 6，1892："Helped Mr：Thompson repair his house."On November 14，1907：". （1）my time at an old people's home. "Curious，she asked her grandmother about it."That is the tradition of our family，"her grandmother explained."Every day，for generations（世代），we complete one act of kindness and take it down.No matter how （2）it is."Maya was interested."Why？"Her grandmother smiled，"It's a belief that through continuous kind actions，we can create a life of （3）.Every day，we find a moment of light through offering help to others，even when the world around us is dark."With admiration，Maya decided to keep the tradition.Every night，she would record her act of kindness for the day.As the years went by，Maya's entries of her kind act （4），from comforting a distressed stranger on the bus to organizing community clean﹣ups.One day，as she sat at a café，a young woman came to her."Are you Maya？"She asked politely.Maya nodded，feeling（5）.The woman went on，"Years ago，you taught me for free when my family couldn't afford lessons.Because of you，I graduated top of my class.Today，I （6）an organization providing help for students from poor families.'Maya was moved and proud.She realized her actions were creating ripples（涟漪）in ways she had never imagined.The calendar became a community legend（传奇）.Inspired by Maya，the town started a"Calendar Day"，encouraging everyone to do good.When Maya was old，she often sat with her grandchildren，turning the filled pages."This was when your grandpa and I met.I helped him find his lost dog."One day，her oldest grandchild，Sophie，looked up from the calendar."I want to （7）this，Grandma."Maya handed the calendar over.She knew the tradition would live on.Years after Maya passed，the town built a statue （雕塑）in her honor，with the words on its base：In memory of Maya and the generations before her who believed in the power of everyday（8）.（1）A.Saved B.Wasted C.Managed D .Volunteered（2）A.popular B.small C.unfair D.interesting（3）A.freedom B.balance C.purpose D.discovery（4）A.grew B.appeared C.remained D.mattered（5）A.worried B.relaxed C.excited D.confused（6）A.run B.need D.visit（7）A.praise B.report C.continue D.remember（8）A.changes B.kindness C.happiness D.achievements三．阅读理解（共4小题）14．The idea is not new that the spaces we live and work in influence our feelings and behaviours.Winston Churchill noted："We shape our buildings and then our buildings shape us."Buildings and the city environment have been found to influence our general emotion and wellbeing.Architects（建筑师）have often been focused on their imagination and design above how a space may influence its residents（居住者）.However，there are a number of architects moving in a new direction，interested in creating people﹣centred building designs.Research carried out by Colin Ellard of the University of Waterloo，Canada，has found that people are often strongly affected by building plex （复杂的）and interesting appearance design influences people much more positively than simple design.Many studies have shown the value of green space and woodland in a city environment and how they can help to reduce the stress that comes with city life.The visual （视觉的）complexity of green spaces plays into Ellard's theory that the human brain prefers complex and lively environment.Another study in Iceland in 2023 found that streets which vary because of their architecture were the most emotionally pleasant.This all leads to the idea that we want variation in our environments.Another research has shown that growing up in an city environment can double a person's chance of developing problems such as worry.It shows that the stress of city life is something that needs to be considered and new spaces should be designed with stress management and wellness in mind.It would be wrong to say style isn't important.We want things which look fantastic as well as work practically，but things can go wrong and influence us negatively if style becomes more important than the building itself.Architects who want to show their skills must consider the purpose of the building.For example，schools should look bright with open spaces，green areas and comfortable corners for reading and learning.No one wants a building to create bad feelings.If we can create spaces which appeal to residents，as well as achieving their purpose，then the end result is much more satisfying and much more likely to stand the test of time.Our cities are set to grow year on year with no end in sight，so we should make sure new development s are built more with people in mind.（1）What do you know about architects from the passage？A.They are running out of creativity.B.Their stress needs to be considered.C.They have to take tests from time to time.D.Their design starts to focus on human feelings.（2）The writer probably agrees that .A.there should be more buildings in green colour in citiesB.visually complex design is more likely to create stressC.it is a must to consider the building itself and its styleD.buildings with simple appearance bring us comfort（3）The words"appeal to"in the last paragraph are closest in meaning to .A.pleaseB.houseC.shapeD.upset（4）What is the writer's main purpose in writing this passage？A.To criticize architects for their great mistakes.B.To call for the people﹣centred design of buildings.C.To suggest how to make architectures emotionally pleasant.D.To stress the importance of architectures to a city environment.15．A 16﹣year﹣old boy named Li Tao lived in a small town in China.One day，while Li Tao was doing his science homework，he came up with a great idea.He worked out a way to make a new type of power supply（供应）for his town，which had a problem with its electricity supply.To make his idea come true，Li Tao began to experiment at home.He was so confident that nothing could stop him from inventing.He made and took apart many models.Even though he faced lots of challenges and failures，he didn't give up.He fixed his mistakes，changed his plans，and kept working hard.After two years of hard work，he finally succeeded.He made a small device（设备）that could change wind power into electrical power successfully.This was a new，environmentally﹣friendly way for his town's power problem.News about Li Tao's invention quickly spread around his school and town，and everyone really took pride in his achievement.The group of science﹣technology of the town decided to help him improve the invention.He was invited to give a speech to encourage other teenagers to learn more about science and be more creative in the Science and Technology Meeting.His story encourages teenagers that being young is not a barrier（阻碍）to achieve their dreams.Even a common teenager can do something amazing!（1）What was the problem of the town where Li Tao lived？A.Water pollution.B.Experiment device testing.C.Electricity supply.D.Wind power lightning protection.（2）When Li Tao faced challenges and failures，he .A.encouraged other teenagers to join himB.fixed his mistakes and kept working hardC.gave a speech and learnt more about scienceD.asked the group of science﹣technology for help（3）How did people feel after knowing Li Tao's invention？A.Excited.B.Proud.C.Confident.D.Surprised.16．We rely on our memory for sharing stories with friends or learning from our past experiences.Yet evidence shows that our memory isn't as consistent as we'd like to believe.There are countless reasons why tiny mistakes might happen each time we recall past events.And whenever these mistakes happen，they can have long﹣term effects on how we'll recall that memory in the future.Take storytelling for example.When we describe our memories to other people，we might ask ourselves whether it's important to get the facts straight，or whether we only want to make the listener laugh.And we might change the story's details depending on the listener's attitudes.It isn't only the message that changes，but sometimes it's also the memory itself.This is known as the"audience﹣tuning effect"，showing us how our memories can change automatically over time，as a product of how，when，and why we access them.In fact，sometimes simply the act of repeating a memory can be exactly what makes it easy to change.This is known as"retrieval﹣enhanced suggestibility".In a typical study of this effect，participants watched a short film，then took a memory test a few days later.But during the days between watching the film and taking the final test，two other things happened.First，half of the participants took a practice memory test.Second，all of the participants were given a description of the film to read，which contained some false details.Participants who took a practice memory test shortly before reading the false information were more likely to reproduce this false information inthe final memory test.Why might this be？One theory is that repeating our memories of past events can temporarily make those memories malleable.In other words，retrieving （找回）a memory might be a bit like taking ice﹣cream out of the freezer and leaving it in direct sunlight for a while.By the time our memory goes back into the freezer，it might have naturally become a little misshapen，especially if someone has influenced it purposely in the meantime.These findings lead us to wonder how much our most treasured memories have changed since the very first time we remembered them.Remembering is an act of storytelling，after all.And our memories are only ever as reliable as the most recent story we told ourselves.（1）The writer takes storytelling for example to prove that .A.it is impossible to change the listener's attitudesB.it is important to describe our memories directlyC.we can make other people laugh to y telling storiesD.we may change our memories according to the listener（2）What do you know about memory from the passage？A.Our memories can change our personalities.B.Our memories can correct mistakes on their own.C.We can take a practice memory test to strengthen our memories.D.We can reproduce the information while repeating our memories.（3）The word"malleable"in Paragraph 5 is closest in meaning to .A.reasonableB.valuableC.changeableD.controllable17．Clean electricity is the power of the future，but engineers are facing a big challenge.How can we store electricity to be used at times when the wind is not blowing and the sun is not shining？In some cases，the answer will be batteries；but in other cases，it could come from a variety of different solutions—starting with gravity.Gravity is the most abundant source of power on Earth.It's always been everywhere since the beginning of time.Nobody knew about it until around 1700，when Isaac Newton saw an apple fall from a tree in hisgarden.Newton asked himself the question："Why did that apple fall to the ground？" And he soon worked out the answer.Everything will fall to the ground if it can do so，because there is a massive force that pulls things towards the centre of the earth.Newton decided to call this force "gravity"，a word that then just meant "weight".Engineers have used gravity as a source of power for centuries，long before Newton first explained it.In particular，they used gravity to move water from one place to another to irrigate（灌溉）field s and bring water to cities.They knew that water would flow downhill，but never uphill，so they built structures to use the force of gravity most effectively.In 1907，engineers in Switzerland first used gravity for a new purpose：to store energy.They pumped（用泵抽送）water up a hill，where they stored it in a lake.Then when they needed more electricity，they let the water come back down the hill，driving electric turbines（涡轮机）as it fell.The idea was just so simple，and it is now used in many parts of the world.However，the problem is that "pumped storage" hydro schemes（抽水蓄能水电方案）can't be built just anywhere，as they need lots of water and big hills or mountains.Some experts believe that gravity systems are the cheapest way to store electricity.Gravity﹣stored electricity is maybe half the price of battery﹣stored electricity，but even so it is not cheap.In order to make gravity more effective，we would need to increase its force—and that，of course，is quite impossible.Yet gravity is not the only way of storing energy，and engineers are working on systems that store it using water pressure or compressed air...and even sand!Storage is one of the big scientific challenges of our time，as storage is the essential partner of wind power and solar power.We need clean electricity 24 hours a day，not just when the sun is shining or the wind is blowing.（1）The word "abundant" in Paragraph 2 probably means .A．expensiveB．environmentalC．famousD．plentiful（2）From the passage，we can know that .A．gravity systems are the cheapest way to store electricityB．"pumped storage" hydro schemes can be built on small hillsC．engineers in Switzerland first stored energy by using gravity creativelyD．experts have already made gravity more effective by increasing its force（3）Why does the author write this passage？A．To tell the story of finding gravity.B．To show the importance of gravity.C．To call on people to use clean electricity.D．To introduce a good way to store electricity.四．书面表达（共1小题）18．某英文网站正在开展以"突破自我，我拼过"为主题的征文活动。
北京朝阳区2012年高考二模试题英语-(1解析)
北京朝阳区2012年高考二模试题英语(解析)第一部分:听力理解：第一节：第二节第三节第二部分：知识运用：第一节：单项填空：21。
考点：定冠词和不定冠词的用法专题：单项选择题分析：根据冠词的基本用法，名词第一次出现时前面一般用不定冠词，特指时要用定冠词。
解答：按照此题的具体的交际语言环境，“这个问题已经解决了吗?”显然是指双方心目中特指的这个问题，故第一空要用定冠词the，可排除A项和C项。
再根据答语的语境“我们正在想一个办法出来，”可确定要用不定冠词。
因此答案选B。
点评：既要掌握冠词的基本用法，又要注意冠词在实际语言环境中的灵活运用。
22.考点：介词的用法专题：单项选择题分析:注意名词和介词的习惯搭配用法解答:从本句的语意和句式结构来看，need 在本句中用作名词，表示“对什么的需要”，其后常接介词for 一起搭配使用，故答案选D.点评： Need 在句子中可用作情态动词，实意动词和名词，注意其灵活运用。
23考点：连词及其引导的状语从句的用法专题：单项选择题分析：答案中四个选项都可用作连词，可用作引导不同类型的状语从句。
解答：从句意看，“如果你不介意乘坐晚上的火车的话，你可以早一点到达目的地”.句中的连词显然是表示“如果"的意思，可排除答案B项unless“除非,如果不";C项though “虽然，尽管"和D 项until表时间的连词。
故答案选A点评：根据句意和各连词的用法选择合适答案。
24考点：动词的时态用法专题：单项选择题分析：答案中四个选项分别列出了四种时态，一般过去时表示在过去的某一时间发生的事情，过去完成时表示在过去的某个时间点之前发生的动作和状态，一般将来时是指将来的情况，现在完成进行时表示从过去某个时间点开始，一直进行到现在的动作或状态。
解答：从句子的答语看，“这是我一直在寻找的工作。
"显然“我”从过去开始到现在一直在寻找这一工作。
可知答案应选D项，用现在完成进行时符合本题语境.点评:掌握动词的各种时态用法，结合句子的实际语境要求选择正确答案。
2012年北京市中考试题及答案汇总
2012年北京市中考试题及答案汇总目录2012年北京市中考数学试卷 (2)2012年北京市中考数学答案 (8)2012年北京市中考语文试卷 (14)2012年北京市中考语文答案 (21)2012年北京市中考英语试卷 (23)2012年北京市中考英语答案 (32)2012年北京市中考化学试卷 (33)2012年北京市中考化学答案 (40)2012年北京市中考物理试卷 (42)2012年北京市中考物理答案 (49)2012年北京市高级中等学校招生考试数 学 试 卷学校 姓名 准考证号一、选择题（本题共32分，每小题4分）下面各题均有四个选项，其中只有一个是符合题意的． 1． 9-的相反数是A ．19-B ．19C ．9-D ．92． 首届中国（北京）国际服务贸易交易会（京交会）于2012年6月1日闭幕，本届京交会期间签订的项目成交总金额达60 110 000 000美元，将60 110 000 000用科学记数法表示应为 A ．96.01110⨯B ．960.1110⨯C ．106.01110⨯D ．110.601110⨯3． 正十边形的每个外角等于A ．18︒B ．36︒C ．45︒D ．60︒4． 右图是某个几何体的三视图，该几何体是A ．长方体B ．正方体C ．圆柱D ．三棱柱5． 班主任王老师将6份奖品分别放在6个完全相同的不透明礼盒中，准备将它们奖给小英等6位获“爱集体标兵”称号的同学．这些奖品中3份是学习文具，2份是科普读物，1份是科技馆通票．小英同学从中随机取一份奖品，恰好取到科普读物的概率是 A ．16B ．13C ．12D ．236． 如图，直线AB ，C D 交于点O ，射线O M 平分A O C ∠，若76BO D ∠=︒，则BO M ∠等于 A ．38︒ B ．104︒C ．142︒D ．144︒7． 某课外小组的同学们在社会实践活动中调查了20户家庭某月的用电量，如下表所示：A ．180，160B ．160，180C ．160，160D ．180，1808． 小翔在如图1所示的场地上匀速跑步，他从点A 出发，沿箭头所示方向经过点B 跑到点C ，共用时30秒．他的教练选择了一个固定的位置观察小翔的跑步过程．设小翔跑步的时间为t （单位：秒），他与教练的距离为y （单位：米），表示y 与t 的函数关系的图象大致如图2所示，则这个固定位置可能是图1中的 A ．点MB ．点NC ．点PD ．点Q二、填空题（本题共16分，每小题4分） 9． 分解因式：269mn mn m ++= ．10．若关于x 的方程220x x m --=有两个相等的实数根，则m 的值是 ． 11．如图，小明同学用自制的直角三角形纸板D EF 测量树的高度AB ，他调整自己的位置，设法使斜边D F 保持水平，并且边D E与点B 在同一直线上．已知纸板的两条直角边40c m D E =，20cm EF =，测得边D F 离地面的高度1.5mAC =，8m C D =，则树高AB = m ．12．在平面直角坐标系xOy 中，我们把横 、纵坐标都是整数的点叫做整点．已知点()04A ，，点B 是x 轴正半轴上的整点，记AO B △内部（不包括边界）的整点个数为m ．当3m =时，点B 的横坐标的所有可能值是 ；当点B 的横坐标为4n （n 为正整数）时，m = （用含n 的代数式表示．）三、解答题（本题共30分，每小题5分）13．计算：()11π32sin 458-⎛⎫-+︒- ⎪⎝⎭.14．解不等式组：4342 1.x x x x ->⎧⎨+<-⎩，15．已知023a b =≠，求代数式()225224a b a b a b-⋅--的值．16．已知：如图，点E A C ，，在同一条直线上，AB C D ∥，AB CE AC CD ==，．求证：B C E D =.17．如图，在平面直角坐标系xOy 中，函数()40y x x=>的图象与一次函数y kx k =-的图象的交点为()2A m ，.（1）求一次函数的解析式；（2）设一次函数y kx k =-的图象与y 轴交于点B ，若P 是x 轴上一点，且满足P A B △的面积是4，直接写出点P 的坐标．18．列方程或方程组解应用题：据林业专家分析，树叶在光合作用后产生的分泌物能够吸附空气中的一些悬浮颗粒物，具有滞尘净化空气的作用．已知一片银杏树叶一年的平均滞尘量比一片国槐树叶一年的平均滞尘量的2倍少4毫克，若一年滞尘1000毫克所需的银杏树叶的片数与一年滞尘550毫克所需的国槐树叶的片数相同，求一片国槐树叶一年的平均滞尘量．四、解答题（本题共20分，每小题5分）19．如图，在四边形ABC D 中，对角线AC BD ，交于点E ，904530BAC CED D CE D E ∠=︒∠=︒∠=︒=，，，BE =．求C D 的长和四边形ABC D 的面积．20．已知：如图，AB 是O ⊙的直径，C 是O ⊙上一点，O D BC ⊥于点D ，过点C 作O ⊙的切线，交O D 的延长线于点E ，连结BE ． （1）求证：BE 与O ⊙相切；（2）连结AD 并延长交BE 于点F ，若9OB =，2s i n 3ABC ∠=，求BF的长．21．近年来，北京市大力发展轨道交通，轨道运营里程大幅增加，2011年北京市又调整修订了2010至2020年轨道交通线网的发展规划．以下是根据北京市轨道交通指挥中心发布的有关数据制作的统计图表的一部分．请根据以上信息解答下列问题：（1）补全条形统计图并在图中标明相应数据；（2）按照2011年规划方案，预计2020年北京市轨道交通运营里程将达到多少千米？（3）要按时完成截至2015年的轨道交通规划任务，从2011到2015这4年中，平均每年需新增运营里程多少千米？22．操作与探究：（1）对数轴上的点P 进行如下操作：先把点P 表示的数乘以13，再把所得数对应的点向右平移1个单位，得到点P 的对应点P '.点A B ，在数轴上，对线段AB 上的每个点进行上述操作后得到线段A B ''，其中点A B ，的对应点分别为A B ''，．如图1，若点A 表示的数是3-，则点A '表示的数是 ；若点B '表示的数是2，则点B 表示的数是 ；已知线段AB 上的点E 经过上述操作后得到的对应点E '与点E 重合，则点E 表示的数是 ；北京市轨道交通已开通线路相关数据统计表（截至2010年底）（2）如图2，在平面直角坐标系xOy 中，对正方形ABC D 及其内部的每个点进行如下操作：把每 个点的横、纵坐标都乘以同一种实数a ，将得到的点先向右平移m 个单位，再向上平移n 个单位（00m n >>，），得到正方形A B C D ''''及其内部的点，其中点A B ，的对应点分别为A B ''，。