2018东城初三英语一模试题

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北京市城六区2018届初三一模英语分类汇编之语基Word含答案

【西城一模】知识运用（共14分）---、单项填空(共6分，每小题0.5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. ---Jack, thank you for the flowers.--- It’s all right. I hope you like ________.A. theyB.themC. theirD. themselves2. ---What’s the weather like in Australia ________ July?---It is winter there, so it’s a little cold.A. inB. onC. atD. with3. The North Star is one of ________ stars in the night sky.A. brightB. brighterC. brightestD. the brightest4. I’d love to go to the theatre tonight, ________ I am too busy.A. soB. orC. butD. and5. We ________ a few museums while we were in London.A. visitB. visitedC. have visitedD. are visiting6. ---Shall we play tennis now?--- Sorry, I can’t.I ________ my homework.A. doB. didC. have doneD. am doing7.Mr.King ________ a lot about Chinese culture since he came to Beijing.A. has learntB. will learnC. learnsD. learnt8. --- ________ do you like better, carrots or potatoes?---Carrots. They are good for my eyes.A. WhyB. WhichC.WhoD. Whose9. ---My grandma ________ looking at that photo on the wall.---I can understand. It helps her remember her childhood.A. enjoysB. enjoyedC. was enjoyingD. will enjoy10. Mum ________ the window in the kitchen when I got home.A. cleansB. will cleanC. was cleaningD. is cleaning11. Some new airports ________ in the west of our country. It will be very convenientto go there.A. builtB. will buildC. were builtD. will be built12. ---I wonder ________. You are very early every day.--- Only 5 minutes’ walk.A. how far is it from your home to schoolB.how far it is from your home to schoolC. how far was it from your home to schoolD. how far it was from your home to schoo一、单项填空（共6分，每小题0.5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。

2018年北京市各城区初三英语单选试题

（）1.Look! That old man is crossing the road. Let’s go and help ______.A. meB. himC. herD. them（）2. In order to keep cool, many people go swimming ______ summer.A. inB. atC. onD. to（）3. Hurry up, ______ you’ll be late for school.A. andB. butC. soD. or（）4. I think skiing is ______ than running.A. excitingB. more excitingC. most excitingD. the most exciting （）5. Jack ______ a good rest as soon as he finishes the exam.A. hasB. hadC. is havingD. will have（）6.Every year many foreigners ______ to China to learn Chinese.A. comeB. cameC. have comeD. will come（）7. Where’s Bob? He ______ in the library now.A. readsB. readC. is readingD. will read（）8.I ______ a picnic with my brother last Sunday. It was great.A. haveB. hadC. will haveD. am having（）9.I ______ my grandparents since 2016. I miss them very much.A. won’t seeB. don’t seeC. haven’t seenD. didn’t see（）10. My mother ______ to music when I got home at five o’clock yesterday.A. listensB. listenedC. was listeningD. has listened（）11. Some new computers ______ to that village school last month.A. giveB. are givenC. gaveD. were given（）12.- Excuse me, could you tell me ______?- Sorry, sir. I wasn’t there at that time yesterday.A. how the accident happensB. how the accident happenedC. how does the accident happenD. how did the accident happen ( ) 13. My younger sister is one month old. ______ name is Linda.A. HeB. HimC. SheD. Her( ) 14. --- Where is your mother?--- She’s working ______ her office.A. inB. toC. onD. for( )15. --- ______ do you watch TV?--- Twice a week.A. How oftenB. How longC. How manyD. How much ( ) 16. Get up early, ______ you’ll be late for the train.A. butB. orC. andD. so( ) 17. --- What do you often do in your spare time?--- I ______ basketball with my friends.A. playsB. playC. playedD. am playing( )18. Bill is one of _____ boys in our class.A. tallB. tallerC. tallestD. the tallest( )1. My birthday is coming. My parents will give ______ some nice presents.A. mineB. IC. meD. my( )2. Peter’s mother is a farmer. She works ______ a farm.A. inB. onC. toD. of( )3. ______ people are there in your family, Jack?Four. They are my father, my mother, my sister and I.A. How muchB. How manyC. How longD.How often( )4. Tony is a basketball player. He is ______ in our class.A. tallB. tallerC. tallestD. the tallest( )5. How often does Susan play games online?She ______ games online once a week.A. playsB. is playingC. will playD. played( )6. Keep quiet, please. All the students ______ lessons at school.A. are havingB. hadC. will haveD. have( )7. Jeff got to the airport at midnight, so he ______ a taxi to a hotel.A. callsB. will callC. calledD.is calling( )8.Where is Jeff?He _______ to the cinema.A. is goingB. has goneC. will goD. went( )9. My parents ______ some reading when the doorbell rang yesterday evening.A. doB. didC. have doneD. were doing( )10. Put on more clothes, _______ you’ll catch a cold in the strong wind.A. andB. butC. orD. so( )11. A new park _______in our town next year.A. builtB. was builtC. will buildD. will be built( )12.Jane, could you tell me _______ the ticket yesterday?Oh, yes. I bought it online.A. where you boughtB. where you will buyC. where did you buyD. where will you buy（）13．You don’t look well. I think ________ should see a doctor.A．she B．he C．you D．we（）14．—Tom, why are you so busy?—I ________ some plans to work in an old people’s home this summer.A．makes B．am making C．made D．have made（）15．—I’m tired because I studied until midnight last night.—Why not go to sleep ________ this evening?A．late B．later C．early D. earlier（）16．—I ________ you at seven and you didn’t pick up.—I was taking a shower at that time.A．call B．called C．am calling D. have called（）17. I often help mum ______ the housework because I think it’s good for me.A．with B．in C．on D. of18东城一模（）1. Lucy and Claire are sisters. _____often help their mother do the housework.A. WeB. YouC. TheyD. She( ) 2. Americans celebrate Mother’s Day on the second Sunday ______ May.A. inB. onC. atD. for( ) 3.______ is your best friend?Lisa. She is my classmate.A. HowB. WhatC. WhereD. Who( ) 4. Robert, you look much ______ than last week.Yes, Mom. The final exam is coming.A. busyB. busierC. busiestD. the busiest( ) 5. Alex, would you like to go to the movies with us this afternoon?I’d love to, ______ I have to go to the Music Club.A. butB. andC. orD. so( ) 6. My father is a tea lover. He ______ tea every day.A. drinkB. drinksC. drankD. will drink( ) 7. Amy, where are you going in the summer holiday?I ______ the whole holiday on my grandparents’ farm.A. spentB. spendC. have spentD. am going to spend( ) 8. My class ____ National Museum of China last Sunday and we learned a lot.A. visitB. will visitC. visitedD. have visited( ) 9. I ______ a picture when my little brother ran into my room.A. drewB. are drawingC. will drawD. was drawing( ) 10. Owen, you can read the Chinese on the menu!Yeah, I ______ Chinese for two years.A. learnB. have learntC. are learningD. learnt( )11. Your classroom is clean and tidy.Thanks, Mr. Johnson. It ______ twice a day.A. cleansB. cleanedC. is cleanedD. will be cleaned( )12. Grandma, do you remember ______ Beijing? About 20 years ago.A. when you first visitB. when you first visitedC. when do you first visitD. when did you first visit( ) 13．—Have you decided what you would like to make for our party?—Yes, a delicious cake. In fact, I ________ making it.A．finish B．am finishing C．finished D. have finished ( )14 ．—________ books did you sell last Sunday? —About 100.A．How many B．How much C．How heavy D. How long( ) 15. Scott has just got a new job. He ________ at a radio station next week.A．works B．worked C．will work D. is working( ) 16．The stories in this book may be old, _________ they’re still interesting.A．so B．and C．or D. but( )17．—I’m going to town. Would you like to join me?—Sorry, I ________. I still have lots of homework to do.A．can B．can’t C．must D. needn’t18房山一模( )1. The girl in the red dress is from Australia. ______ is my new friend.A. SheB. HeC. YouD. They( )2. Tom often goes to school ______ 7:30 in the morning.A. inB. atC. onD. of( )3.- ______ are you going to the airport tomorrow, Betty?- By bus.A. HowB. WhatC. WhereD. When( )4. The air in Beijing is much ______ than it was in the winter of 2016.A. cleanB. cleanerC. cleanestD. the cleanest( )5.- Where’re the children now, Mr. Black?- Oh, they ______ football on the playground.A. playB. playedC. are playingD. have played( )6.- What were you doing at 8:00 yesterday evening?- I ______.A. readB. am readingC. was readingD. have read( )7.- Where will the students go next Sunday?- They ______ to the Science Museum.A. goB. wentC. has goneD. will go( )8. Mike ______ playing the piano for 9 years, and he is very good at it.A. learnsB. is learningC. will learnD. has learned ( )9. My father ______ trees on the hills in spring every year.A. will plantB. plantedC. plantsD. is planting( )10. Tom ran all the way to school, ______ he was still late.A. butB. ifC. orD. so( )11. Basketball is very popular. It ____ in many countries in the world nowadays.A. playedB. is playedC. playsD. was played( )12.- Do you know ______ our school?- Next week.A. when does Su Bingtian visitB. when Su Bingtian visitsC. when will Su Bingtian visitD. when Su Bingtian will visit( )13．The plants must________ every three days, or they will fail to grow.A．water B．watering C．be watered D. watered( )14．—Could you tell me ________ back from her hometown?—Yes. She’ll be back this Sunday.A．when Alice came B. when did Alice comeC．when Alice will come D. when will Alice come( )15. I have a sister. _______ name is Nancy.A．Her B．His C．Its D．Your( )16. Spring Festival this year is _______ 16th February．A．at B．in C．on D．to( )17. Deng Yaping isn’t so clever, ____she has a very strong will and works hard．A．and B．but C．so D. or18丰台一模( )1. My mother is a doctor. ______ works in a hospital near our house.A. IB. SheC. HeD. They( )2. When do you usually have the first class in the morning?______ 8:00.A. OfB. InC. OnD. At( )3. Jack usually goes to school by bike, ______ today he walked to school.A. andB. butC. orD. so( )4.Who is ______ in your class? Bob is.A. strongB. strongerC. strongestD. the strongest( )5.What does your father often do on weekends?He often ______ my grandparents.A. visitsB. is visitingC. visitedD. will visit( )6.What’s your brother doing now? He ______ the room.A. cleanedB. cleansC. is cleaningD. has cleaned( )7. Mr. Smith ______ in the factory for 20 years already.A. worksB. will workC. has workedD. is working( )8. Excuse me, does Maria live here?No, she ______ to London last winter..A. movesB. movedC. will moveD. has moved( )9. When my mother got home, I ______ a book.A. has readB. will readC. was readingD. read( )10. ______ are these potatoes? 5 kilos.A. How muchB. How longC. How heavyD. How big( )11. The 24th winter Olympics ______ in China in 2022.A. holdB. will holdC. are heldD. will be held( )12.- Can you tell me ______? - He lives in Shanghai.A. where Mark livesB. where did Mark liveC. where Mark livedD. where does Mark live( )13. I think Confucius is one of _______ thinkers in China.A．great B．greater C．greatest D．the greatest( )14 . ____did you borrow the book from the library? Yesterday morning.A. WhereB. WhenC. HowD. Why( )15. They will have a trip to the Great Wall if it _______ next Sunday.A. doesn’t snowB. won’t snowC. didn’t snowD. isn’t snowing( )16．I _______ my aunt at the airport tomorrow.A．meet B．met C．will meet D．have met( )17. We _______in the same school since three years ago.A. are studyingB. have studiedC. will studyD. study( )18. — Mum, where is Dad?— He _______ a newspaper in the bedroom now.A. readB. readsC. will readD. is reading18海淀一模( )1. Mr. Cook plans to give away all ______ money to charity.A. myB. hisC. herD. your( )2. Peter plays the piano in the music club ______ Sunday afternoons.A. ofB. inC. atD. on( )3.- ______ do you walk in the park every morning?- About 20 minutes.A. How muchB. How oldC. How longD. How many( )4. I had a fever, ______ I went to see a doctor.A. forB. orC. butD. so( )5. Nowadays, new subways run ______ than the old ones.A. fastB. fasterC. fastestD. the fastest( )6.- ______ you come to my birthday party this Friday night?- Sure, I’d love to.A. CanB. NeedC. MustD. Should( )7. I think I ______ my new project tomorrow.A. startB. startedC. will startD. was starting( )8. They ______ their holidays in Paris last summer.A. spendB. spentC. will spendD. are spending( )9.- Hello! May I speak to Mary, please?- Sorry. She ______ a shower now.A. hasB. hadC. will haveD. is having( )10. Linda ______ a lot since I saw her last time.A. has changedB. will changeC. is changingD. changed ( )11. Millions of emails ______ all over the world every day.A. sendB. sentC. are sentD. were sent( )12.- What beautiful photos! Can you tell me ______?- I took them in the Summer Palace.A. where you took themB. where you will take themC. where did you take themD. where will you take them( )13．My classmates _______ as voluteers in the Science Museum last weekend.A. workB. worked C．will work D. are working( )14. What were you doing when we were playing basketball yesterday afternoon?I _______the classroom.A. clean B．have cleaned C．will clean D．was cleaning ( )15. Can you tell me _______ to London?Sure. Next month.A. when you will travelB. when you travelledC. when will you travelD. when did you travel( )16. _____ is the book? It’s $ 6.95.A. How oldB. How longC. How highD. How much18门头沟一模( )1. My sister is very nice and kind. We all like ______ very much.A. herB. himC. youD. them( )2. Lily often goes to visit her grandma ______ Sundays.A. atB. inC. onD. to( )3. — ______ do you read English storybooks every day, Linda?— At 7:00 pm.A. HowB. WhyC. WhenD. Where( )4. I think Journey to the West is ______ of all the Chinese novels.A. interestingB. more interestingC. most interestingD. the most interesting( )5. — ______ you make a paper plane? — Yes, I can.A. CanB. MustC. ShallD. Could( )6. — What did you do last Sunday?— I ______ my mum clean the house.A. helpB. helpedC. have helpedD. will help( )7. — Where’s your dad, Tom?— He ______ in the kitchen.A. cooksB. is cookingC. has cookedD. will cook( )8. Mark, good news! We ______ a school trip next Monday. Great!A. hasB. hadC. has hadD. will have( )9. David _______ Chinese since 2013 and he is good at it.A. learnsB. learnedC. is learningD. has learned( )10. Stephen Hawking had a serious illness, _______ he kept studying physics.A. andB. butC. soD. or( )11. Huawei smart phones _______ in many countries now.A. useB. are usedC. usedD. were used( )12. — Kate, could you tell me _______ when I called you?— Oh, yes. I was listening to music.A. what are you doingB. what were you doingC. what you are doingD. what you were doing( )13 Tom is a book lover. ______ likes reading very much.A. HeB. SheC. YouD. It( )14. John usually gets up at seven __________ the morning.A. onB. atC. inD. of( )15.— Which do you like ______, tea, coffee or orange juice?—A cup of coffee, please.A. goodB. bestC. wellD. better( )16. —Can you speak Japanese?—No, I ______.A. can’tB. shouldn’tC. mustn’tD. needn’t( )17. My brother ______ exercise every day and he likes sports very much.A. didB. doesC. will doD. is doing18石景山一模( )1. Tom is a big boy now. This coat is too short on ______.A. herB. himC. itD. them( )2. I met lily ______ a bookstore yesterday.A. onB. toC. inD. of( )3. The music was too loud, ______ I turned it down.A. soB. becauseC. butD. or( )4.- ______ you get over here in about five minutes.- Oh, no, I can’t come now. I’m busy.A. CanB. ShouldC. MustD. May( )5. Look! The kids ______ about the park.A. runB. ranC. were runningD. are running( )6. Wu Dajing ______ a gold medal in February, 2018 at the Winter Olympics.A. winB. wonC. has wonD. will win( )7. I ______ 300 stamps since last year.A. collectB. collectedC. have collectedD. will collect ( )8. The shoes at this store are much ______ than at the other.A. cheapB. cheaperC. cheapestD. the cheapest( )9. The flower show ______ at the park two weeks ago.A. holdsB. heldC. was heldD. is held( )10. The teacher told us ______ a report about the animals in danger.A. writeB. wroteC. writingD. to write( )11. You ______ the chance if you go home now.A. will missB. missedC. missD. have missed( )12. I am not sure ______ to the party tomorrow.A. when did he comeB. when he cameC. when will he comeD. when he will come( )13. —I didn’t see you yesterday. Where did you go?— I ___________ to visit my grandmother.A. goB. will goC. wentD. have gone( )14. My mother _________ when I got home yesterday.A. cookB. will cookC. cookedD. was cooking( )15. Keep quiet, please. The baby ____________.A. sleepsB. is sleepingC. will sleepD. slept( )16. Lucy is my friend. She in this school since she came here.A. has studiedB. will studyC. am studyingD. studied( )17. A new library ______ in my college next year.A. buildsB. builtC. is builtD. will be built( )18. — Ann, could you tell me ______ yesterday?— Oh, I went to the supermarket near my home.A. where did you goB. where will you goC. where you wentD. where you will go18顺义一模( )1. Tomorrow is my mother's birthday and I'd like to buy ______ some flowers.A. themB. herC. usD. him( )2. The meeting will began ______ 4 : 30 this afternoon. Don't forget it.A. onB. inC. atD. for( )3.I'd like to go with you, ______ I'm too busy.A. orB. andC. soD. but( )4.- ______ is it from you home to the school?- About ten minutes' walk.A. How farB. How longC. How oftenD. How soon( )5.- Which do you like ______ , tea or coffee?- A cup of tea, please.A. goodB. betterC. bestD. the best( )6.- Mum, may I go out to play basketball for a while?- No, you ______ . The air outside is too dirty to do sports.A. can’tB. shouldn’tC. wouldn’tD. needn’t( )7. My grandpa ______ a walk after supper every day.A. takesB. tookC. will takeD. has taken( )8. - Where is Mary, Mum?-She ______ to music in her room.A. listenB. listensC. is listeningD. has listened( )9. - What did you do after school yesterday?- I ______ football with my friends.A. playB. playedC. will playD. am playing( )10.- This school has a long history.- Yes, it ______ more than sixty years ago.A. was builtB. builtC. is builtD. builds( )11. We ______ in the same school since three years ago.A. studyB. will studyC. were studyingD. have studied( )12.- Could you please tell me ______ now, Tom?- Yes, I live in Beijing.A. Where do you liveB. where did you liveC. where you liveD. where you lived( )13– Is this your key, Kathy?– No. ____ is on the desk. Thank you.A. MineB. HersC. HisD. Yours( )14. – When do you usually have lunch?– _____ half past eleven.A. OnB. ToC. AtD. Of( )3. – _____ do you go to the library? – About once a week.A. How longB. How farC. How muchD. How often ( )14 I work hard this term, but Peter works much ______ than me.A. hardB. harderC. hardestD. the hardest18通州一模( )1.I can’t find my dictionary. Could you help ______ find it?.A. meB. herC. himD. them( )2.John is an American. He came to China ______ 2012.A. onB. inC. ofD. at( )3.- Kate, ______ did you go yesterday?-I went to the zoo with my friend.A. whereB. whichC. whenD. what( )4.Our new library is ______ than the old one.A. bigB. biggerC. biggestD. the biggest( )5.My Chinese teacher always ______ us to read more books.A. tellB. tellsC. will tellD. told( )6.– Hi, Linda. Did you go to the party last night?- Yes, I ______ to the party with Lucy.A. goB. wentC. will goD. am going( )7.- Where’s the students? They aren’t in the classroom.- They ______ a P. E class on the playground.A. haveB. hadC. are havingD. have had( )8.My sister ______ TV when I got home yesterday.A. watchB. watchedC.is watchingD. was watching( )9.We ______ several cities since we left our hometown.A. visitB. visitedC. have visitedD. are visiting( )10.You should get up earlier, ______ you can't catch the early bus.A. andB. butC. orD. so( )11. Many books ______ to the students in the village schools every year.A. sendB. sentC. are sentD. were sent( )12.- Do you know ______ the work last night?- At about ten o'clock.A. when did Mum finishB. when Mum finishedC. when does Mum finishD. when Mum finishes( )13. – What did Mr. Brown do before he came to China?– He ______ in a car factory.A. worksB. workedC. is workingD. will work( )14. I ____ you as soon as I get there tomorrow.A. callB. calledC. will callD. have called( )15. – _______ you play tennis?– No, I can’t. But I’m good at football.A. CanB. CouldC. MayD. Must( )16. When I got home yesterday evening, my mother ____ for me at the table.A. waitB. will waitC. was waitingD. have waited( )17. I’d like to go with you, ______ I’m afraid I have no time.A. butB. andC. soD. or18西城一模( )1.- Jack, thank you for the flowers.- It’s all right. I hope you like ______.A. theyB. themC. theirD. themselves( )2.- What’s the weather like in Australia ______ July?- It is winter there, so it’s a little cold.A. inB. onC. atD. with( )3. The North Star is one of ______ stars in the night sky.A. brightB. brighterC. brightestD. the brightest( )4. I’d love to go to the theatre tonight, ______ I am too busy.A. soB. orC. butD. and( )5. We ______ a few museums while we were in London.A. visitB. visitedC. have visitedD. are visiting( )6.- Shall we play tennis now?- Sorry, I can’t. I ______ my homework.A. doB. didC. have doneD. am doing( )7. Mr. King ______ a lot about Chinese culture since he came to Beijing.A. has learntB. will learnC. learnsD. learnt( )8.- ______ do you like better, carrots or potatoes?- Carrots. They are good for my eyes.A. WhyB. WhichC. WhoD. Whose( )9.- My grandma ______ looking at that photo on the wall.- I can understand. It helps her remember her childhood.A. enjoysB. enjoyedC. was enjoyingD. will enjoy( )10. Mum ______ the window in the kitchen when I got home.A. cleansB. will cleanC. was cleaningD. is cleaning( )11. Some new airports ______ in the west of our country. It will be very convenient to go there.A. builtB. will buildC. were builtD. will be built( )12.- I wonder ______. You are very early every day.- Only 5 minutes’ walk.A. how far is it from your home to schoolB. how far it is from your home to schoolC. how far was it from your home to schoolD. how far it was from your home to school( )13. Lisa and Sally are good friends. They each other for five years.A. knowB. knewC. will knowD. have known( )14. – When will you leave the office?– I won’t leave until my work .A. finishesB. is finishedC. finishedD. was finished( )15. Tim, can you tell me ______ now?– Harry Potter.A. what you readB. what are you readingC. what did you readD. what you are reading2018朝阳二模（）1.______ pen is lost. Can I use yours for a while?Certainly. Here you are.A. MyB. YourC. HisD. Her（）2. We usually have our school sports meeting _____ May. What about yours?A. onB. inC. toD. at( )3.- ______ shoes are these? - I think they’re Peter’s.A. WhoB. WhoseC. WhatD. Which( )4.Beijing is one of ______ cities in the world.A. bigB. biggerC. biggestD. the biggest( )5.My parents often ______ me some gifts on my birthday.A. buyB. boughtC. will buyD. have bought( )6.- What are the children doing in the park? - They ______ kites.A. flyB. flewC. are flyingD. will fly( )7.Sam ______ more progress if he works harder.A. makesB. madeC. is makingD. will make( )8.I ______ Mr. Li many times already. I’m sure he isn’t at home.A. callB. are callingC. have calledD. will call( )9.I didn’t hear the doorbell because I ______ to music at that time.A. listenB. will listenC. are listeningD. was listening( )10.I was very tired last night, ______ I went to bed earlier.A. forB. soC. butD. or( )11.Today Chinese is very popular. It ______ in many countries.A. teachesB. taughtC. is taughtD. was taught( )12.- Excuse me, can you tell me ______? - 84487776.A. what your phone number isB. what your phone number wasC. what is your phone numberD. what was your phone number( )13. Please be quiet. I have ______ important to tell you.A. somethingB. anythingC. nothingD. everything ( )14. —______ notebook is this?—It’s Jenny’s. It has her name on it.A. WhereB. WhenC. WhoseD. Which ( )15. His English is as ______ as his Chinese.A. goodB. betterC. bestD. the best( )16. —Where is Mr. Green?—Look! He ______ his car over there.A. cleansB. cleanedC. has cleanedD. is cleaning ( )17. A big shopping centre _______ in our town next year.A. is builtB. was builtC. will buildD. will be built ( )18. —Do you know _____ every year, Jack?—Sorry, I don’t know.A. when the School Day isB. when is the School DayC. when the School Day wasD. when was the School Day。

2018年北京市东城区初三英语一模试题(PDF版含答案)

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北京市城六区2018届初三一模英语分类汇编之综合阅读Word含答案【可修改文字】

可编辑修改精选全文完整版【西城一模】四、阅读短文，根据短文内容回答问题。

（共10分,每小题2分）It was a cold night in Washington, D.C., and I was heading back to the hotel when a man came to me. He asked if I would give him some money so he could get something to eat. I’d read the signs: “Don’t give money to panhandlers (乞丐）.” So I shook my head and kept walking.I wasn’t prepared for a reply, but he said, “I really am homeless and I really am hungry! You can come with me and watch me eat!” But I kept on walking.I couldn’t forget what happened t o me that day for the rest of the week. I had money in my pocket and it wouldn’t have killed me to hand over a dollar or two even if he had been lying. On a very cold night, no less, I thought the worst of a fellow human being. Flying back to Anchorage, I still couldn’t help thinking of him.I was the writer of a weekly garden column (专栏）at The Anchorage Daily News. One day, out of the blue, I came up with an idea. Bean’s Cafe, the soup kitchen in Anchorage, feeds hundreds of hungry people every day. Why not try to get all my readers to plant one row in their gardens for Bean’s? Plant a row and take it down to Bean’s. Clean and simple.We didn’t keep records back then, but the idea began to take off. People would call me when they took something in. Those who only grew flowers gave them away. Food for the spirit.In 1995 , the Garden Writers Association of America ( GWAA) held their meeting in Anchorage and alter learning of Anchorage’s program, Plant a Row for Bean’s became Plant a Row for the Hungry. The idea was to have every member of the Garden Writers Association of America write or talk about planting a row for the hungry.As more and more people started working with the program, many companies gave free seed to customers and had the logo (商标）seen in public.Garden editor Joan Jackson raised more than 30,000 pounds of fruits and vegetables her first year, and showed the public how the program could really work. Texas fruit farms gave away food to their local food bank alter hearing about Plant a Row. Today the program continues to grow.I am shocked that millions of Americans are threatened by hunger. If every gardener in America - and we’re seventy million strong - plants one row for the hungry, we can make a difference in the number of neighbors who do n’t have enough to eat. Maybe then I will stop feeling guilty (愧疚) about walking past a hungry man I could have helped.34. Did the writer give money to the hungry man?35. How did the writer feel alter flying back to Anchorage?36. What did the writer try to get his readers to do?37. What did the GW AA do for the “Plant a Row” program?38. What is the purpose of the program?34. No, he didn't.35. He felt guilty.36. He got his readers to plant a row in gardens for Bean,s.37. It had every member write or talk about planting a row lor the hungry.38. The purpose is to call on more people to help the hungry in America.【东城一模】四、阅读短文，根据短文内容回答问题。

北京市城六区2018届初三一模英语分类汇编之综合阅读Word含答案

【西城一模】四、阅读短文，根据短文内容回答问题。

（共10分,每小题2分）It was a cold night in Washington, D.C., and I was heading back to the hotel when a man came to me. He asked if I would give him some money so he could get somethi ng to eat. I’d read the signs: “Don’t give money to panhandlers (乞丐）.” So I shook my head and kept walking.I wasn’t prepared f or a reply, but he said, “I really am homel ess and I really am hungry! You can come with me and watch me eat!” But I kept on walking.I couldn’t forget what happened to me that day for the rest of the week. I had money in my pocket and it wouldn’t have killed me to hand over a dollar or two even if he had been lying. On a very cold night, no less, I thought the worst of a fellow human being. Flying back to Anchorage, I still couldn’t help thinking of him.I was the writer of a weekly garden column (专栏）at The Anchorage Daily News. One day, out of the blue, I came up with an idea. Bean’s Ca fe, the soup kitchen in Anchorage, feeds hundreds of hungry people every day. Why not try to get all my readers to plant one row in their gardens f or Bean’s? Plant a row and take it down to Bean’s. Clean and simple.We didn’t keep records back then, but the idea began to take o ff. People would call me when they took something in. Those who only grew flowers gave them away. Food for the spirit.In 1995 , the Garden Writers Association of America ( GWAA) held their meeting in Anchorage and alter learning of Anchorage’s program, Plant a Row f or Bean’s became Plant a Row for the Hungry. The idea was to have every member of the Garden Writers Association of America write or talk about planting a row for the hungry.As more and more people started working with the program, many companies gave free seed to customers and had the logo (商标）seen in public.Garden editor Joan Jackson raised more than 30,000 pounds of fruits and vegetables her first year, and showed the public how the program could really work. Texas fruit farms gave away food to their local food bank alter hearing about Plant a Row. Today the program continues to grow.I am shocked that millions of Americans are threatened by hunger. If every gardener in America - and we’re seventy million strong - plants one row for the hungry, we can make a difference in the number of neighbors who don’t have enou gh to eat. Maybe then I will stop feeling guilty (愧疚) about walking past a hungry man I could have helped.34. Did the writer give money to the hungry man?35. How did the writer feel alter flying back to Anchorage?36. What did the writer try to get his readers to do?37. What did the GW AA do for the “Plant a Row” program?38. What is the purpose of the program?34. No, he didn't.35. He felt guilty.36. He got his readers to plant a row in gardens for Bean,s.37. It had every member write or talk about planting a row lor the hungry.38. The purpose is to call on more people to help the hungry in America.【东城一模】四、阅读短文，根据短文内容回答问题。

【初三英语试题精选】2018年初三英语一模试卷(东城区带答案)

2018年初三英语一模试卷（东城区带答案）北京市东城区 Yes My mother bought it for my birthdayA hisB yoursC hersD ours22 My grandparents often do some exercise ______ the morningA onB inC atD of23It’s raining outside Put on your raincoat, ______you will get wetA andB butC orD so24 - ______ you help me lift this box?- Yes Of courseA CanB MayC MustD Need25I am in a hurry What’s______ way to get to the airport？AfastB fasterC fastestD the fastest26 - What language does your foreign teacher speak?- He ____English and GermanA will speakB spokeC speaksD has spoken27He loves traveling and ______to many countries since Some candies? I guessAWhat I bought B what did I buyC what I am going to buyD what am I going to buy五、完型填空（共15分，每小题15分）阅读下面的短，掌握其大意，然后从短后各题所给的A、B、C、D四个选项中，选择最佳选项。

A Move to SafetyThe Turners sat at the kitchen table The sun was shining and filled the kitchen with a warm light It was a perfect day。

2018年北京东城区初三一模英语试卷

2018年北京东城区初三⼀模英语试卷⼀、单选2. A.in B.on C.at D.forAmericans celebrate Mother's Day on the second Sunday May.3. A.How B.What C.Where D.Who— is your best friend?—Lisa. She is my classmate.4. A.busy B.busier C.busiest D.the busiest—Robert, you look much than last week.—Yes, Morn. The final exam is coming.5. A.but B.and C.or D.so—Alex, would you like to go to the movies with us this afternoon?—I'd love to, I have to go to the Music Club.6. A.drink B.drinks C.drank D.will drinkMy father is a tea lover. He tea every day.7. A.spent B.spendC.have spentD.am going to spend—Amy, where are you going in the summer holiday?—I the whole holiday on the grandparents' farm.8.My class National Museum of China last Sunday and we learned a lot.1.A.WeB.YouC.TheyD.SheLucy and Claire are sisters. often help their mother do the housework.A.visitB.will visitC.visitedD.have visited9. A.drew B.am drawing C.will draw D.was drawingI a picture when my little brother ran into my room.10.A.learn B.have learnt C.am learning D.learnt—Owens, you can read the Chinese on the menu!—Yean, I Chinese for two years.11. A.cleans B.cleaned C.is cleaned D.will be cleaned—Your classroom is clean and tidy.—Thanks, Mr. Johnson. It twice a day.12.A.when you first visit B.when you first visitedC.when do you first visitD.when did you first visit—Grandma, do you remember Beijing?—About 20 years ago.⼆、完形填空13.The key to successOnce, when I was a young boy, I boasted （吹嘘）that I determined （下决⼼）to win first place at the coming 1 competition, yet I knew this goal was nearly impossible. Every year,the best players from all over the state took part in this competition. It was a huge deal,especially for a beginner like me.But my mom was my number one 2 . Every day after school, she would sit down right next to me while Miss Green was giving me piano lessons or I was 3 my piano piece.When I couldn't and wouldn't play any longer, she would always say, "If you determine to win,then act like it. Don't give up." After every practice, my whole body was in pain for numb （麻⽊的）fingers and stiff （僵硬的）back. However, I didn't want to 4 my mom, so I kept on practising until I finally fell asleep on the piano keys.Finally, the big day arrived. Right before my turn to perform, my mom said, "I know you want to win, so listen to me: Be there for the 5 not for the success, okay?" I managed to nod.1. 2. 3. 4. 5. 6. 7. 8.When I walked onto the stage, I was afraid that the judges would hear the beating of myheart instead of the music. Carefully, I took a seat before the piano and began to play. Slowly, I began to 6 the world around me. I just let myself fall deeper and deeper into the music.7 , I really won first place. The experience made me realize that determination is notjust saying that you will win; when you have solved difficulties and kept 8 , you can truly say you're determined. As my mom always said, "It's hard to beat the person who is the best, but it is harder to beat the person who never gives up."A.footballB.violinC.pianoD.basketballA.supporterB.teacherC.listenerD.partnerA.writingB.practisingC.singingD.enjoyingA.frightenB.refuseC.cheatD.disappointA.praiseB.recordC.promiseD.experienceA.understandB.loveC.forgetD.changeA.NaturallyB.SurprisinglyC.ClearlyD.HopefullyA.goingB.sayingC.searchingD.repeating三、阅读理解14.ASummer vacation is coming. Attending a summer program is a good way to improve skills and make new friends. TeenLife has researched and collected the best summer activities for you.For more information, please log in www. teenlife. corn.• Snow Farm SummerAt Snow Farm Summer, you're not a student you're anartist! It offers small-group studios（⼯作室）led by professional artists! The studios include glass, clay, metal, drawing/painting and printmaking. They are for 8th-l2th graders from July 15 to July 20, 2018.• The Ithaca Summer Music Academy (ISMA)ISMA provides a creative and supportive environment for young adults to grow into musicians. Our program offers rich music courses which are taught by Ithaca College teachers and top music educators from across the country.Our program is open to grades 7-9. It is from July 8 to July 21, 2018.• National Teen Leadership Program (NTLP)A.Snow Farm SummerB.National Teen Leadership ProgramC.Engineering ExperienceD.The Ithaca Summer Music Academy（1）A.Take part in art studios. B.Take some music courses.C.Receive speech training.D.Learn to design a bridge.（2）A.Ithaca College B.Episcopal High SchoolC.Chapman UniversityD.Sacramento State University（3）Our leadership program includes leadership exercises and speech training. It will improve teens' leadership skills.Our program is open to students in grades 9-12. Our camps this year will be held at Chapman University, July 10-12 and at Sacramento State University, July 31 August 2.• Engineering ExperienceHave you ever wanted to build a bridge? Program a robot? Join us tor a hands-on,weeklong introduction to the world of engineering at Episcopal High School. Students will use their design skills and the scientific method to solve real engineering problems.It is open to 7th-9th graders and starts on July 10, 2018.If a 10th grader wants to improve painting skills, he/she can join .What can students do in NTLP?If a student wants to learn how to program a robot, he/she will take the course at .15.I walked home with my friend Jerry after school. He waved （挥⼿）goodbye and headedoff to his house. When I was walking alone, I suddenly noticed a boy in front of me. He was carrying some of the same school books as mine.He seemed to be singing a song in a very low voice, but I couldn't understand the words. I caught up to him, and said "Hello there" . He was surprised and dropped one of his books. I picked it up and handed it to him. He said "Thank you" in a strange way, like with a strong accent （⼝⾳）."Your science book is just like mine.""Oh, yes it is" he said.We soon began walking together and chatting. It turned out he was in my science class,and I didn't even know it! His name was Ahmad, and his family had just moved here this school year. Ahmad was a hard name to pronounce correctly, but just about the time we reached his house, I could say it quite easily.A.In his science class.B.At the school gate.C.On his way home.D.At Jerry's home.（1）A.B.C.D.（2）A.B.C.D.（3）He invited me into his house, and it seemed like a much better choice than to head right home to start my homework. His family treated me like a special guest. He said in his culture,strangers were always treated very kindly. His mom brought out great snacks and offered me some tea. Ahmad's father and two sisters wanted to hear all about me, my family, and my schooling.But their story opened up a whole new world for me! Ahmad's family had to leave their lifelong home because of the war. They left with only what they could carry. His family was happy to feel safe here, and they seemed pleased that Ahmad brought a friend home.My friendship with Ahmad has continued. I realize that your friends don't have to be just like you. There is an old saying—"Variety is the Spice （调味品）of Life" .Where did the writer meet Ahmad?What can we know about Ahmad's family?They moved here many years ago.Their names were difficult to pronounce.They welcomed Ahmad's friend warmly.They left their hometown without anything.What does the writer learn from his friendship with Ahmad?Friends are important in our lives.We should be kind to a friend's family.Classmates can easily become good friends.People with different backgrounds can be friends.16.It was a February afternoon in a Brooklyn classroom. Sixteen-year-old Taylor Engler cameface to face with a cow. But it was all in her head. She was transported by a virtual （虚拟的）reality （VR ） headset—it took Taylor and her classmates to a farm 250 miles away. For students, the technology means field trips are no longer limited by the length of a bus ride. "I was not expecting it to be right in my face!" That's what Taylor said after taking off the headset and finding herself back in the classroom.On any school day, students can take virtual reality "trips" .They are deep-sea diving. They are observing medical operations.They are visiting the Science Museum in London. Teachers say it'sanother way to involve the iPhone generation （⼀代⼈）intoA.B.C.D.（1）A.B.C.D.（2）A.B.（3）classroom learning and it can help with their understanding and improve their grades. Colin Jones, a science teacher, has walked students through the northern forest with a Google app called Expeditions. "It can be done in a period or two with the help of the new technology, " he said. "But it could take even a week sometimes to take a real expedition.""It's different from watching videos. You can actually move, " Taylor said during the lesson on farm animals. "Not only move, but also feel, " said Richard Lamb. He studies how brains deal with information. "Your physiological responses （⽣理反应）in virtual reality are similar to what you get in doing the actual activity." Lamb said. "Heart rate, breathing…everything."It is unknown how many classrooms will use the technology. But experts say it's still rare.Each headset can cost as little as 30, but systems and software for classes run into thousands of dollars. And good software is in great need. Another problem we face is how to make sure the VR technology mimics （模仿）the real world closely. "But we have to say VR technology provides students with a huge learning opportunity, " said David Evans, director of the National Science Teachers Association.John Miller, a chemistry teacher, agreed. "Too often in schools, students did something wrong in their chemistry experiments. But we don't have enough materials for them to redo the experiments. In virtual reality, all they do is hit reset on the computer. We don't have to actually use chemicals."Both Miller and Evans stressed the technology could enrich—not replace—real world experiences. "We have to remain anchored （⽴⾜）in the real world." Evans warned, "because that's the one that we really need to study and explain."On a February afternoon, Taylor .travelled to a farm on a buswatched a video about a cowhad a virtual reality lesson in the classroomplayed computer games with her classmatesWhat can we learn from the passage?VR technology is widely used in schools.Teachers think VR technology helpful for students.Colin Jones' students prefer a real trip to the forest.Students breathe faster in VR activities than in actual ones.Miller and Evans probably agree that .people shouldn't lose interest in the real worldpeople should develop more VR systems and softwareC. D.VR technology won't change students' way of learningVR technology will reduce students' mistakes in experiments17.DArkansas may give up the BMI program or weaken it with the help of the new governor, who said it had "a lot of negative, unexpected results" .The number of overweight children in the United States has more than doubled in the past20 years. Being seriously overweight can lead to health problems later in life. As a result,Arkansas first started the BMI program in 2004—public schools were required to provide parents with a yearly report of their children's body-mass index (BMI), a number to show whether their weight is appropriate（合适的）. Along with students' BMIs, parents also received information on health risks of being overweight.A study shows that obesity（肥胖）rates in Arkansas have stopped increasing since 2004.But not everyone supports schools in reporting students' BMIs. Some parents have complained their kids worry that they are being "graded" on their weight, although Dr. Joe Thompson, who helped plan the BMI program, gave the explanation at the start of the program. "Just like a school check for vision or hearing, this is a way to raise awareness（意识）about a health risk."Critics argue that telling parents their children weigh too much could hurt children's self-esteem（⾃尊）. Some also question whether it's the role of schools to monitor students' weight. Dr. Nancy Krebs, a nutrition expert, also think obesity report cards aren't good enough."They're making kids feel bad about how they are," she says. "Instead of focusing on kids' BMIs, schools should provide better health and physical education classes and serve healthier foods."However, supporters of the program say overweight children have had self-esteem problems before their parents get obesity report cards. Dr. Karen Young at Arkansas Children's Hospital says, "The overweight kids are already being teased（被嘲弄）. It doesn't take the letter for them to feel bad."Health experts from the University of Arkansas think it would be a pity to stop the BMI program. They see the program as a wake-up call for families and the letter is spurring some major action on some parents. Danita Thomas said she knew her son Irie was too heavy. But since getting that first BMI report, Iric has lost nearly 100 pounds and given up junk food. "It was helpful," she said. "It made me realize that we needed to do something different."The BMI reports and other steps, such as limits on vending machine（⾃动售货机）use at school, are leading to healthier students. If there was no BMI program, there should be other effective tools to get schools and parents involved with preventing children from becomingA. B.C.D.（1）A.B.C.D.（2）A.B.C.D.（3）A.B.C.D.（4）overweight adults.What might be the purpose of the BMI program in Arkansas?To make the schools realize the importance of health education.To warn parents of health risks of overweight children.To drive parents to learn more knowledge on health.To explain why some students gain weight quickly.Dr. Nancy Krebs believes that .overweight students are usually laughed at by classmatesschools should teach students how to lead a healthy lifeoverweight students usually get low grades at schoolschools should do the job to record students' weightThe words "spurring some major action on some parents " in Paragraph 6 probablymean " " .keeping some parents from worriesencouraging some parents to make changeshelping some parents learn from other familiessupporting some parents in expressing their opinionsWhat does the passage mainly talk about?What schools should report to parents.How schools can care about overweight students.Why schools should help students control their weight.Whether schools should report students' BMIs to parents.四、任务型阅读18.Rooftop GardensHave you ever seen a rooftop garden—a garden on the top of a roof? Many people are finding it good for the environment and good for themselves.Cities can be as much as 4—10 degrees warmer thanthe countryside. Green rooftops can actually help cool theair in cities. A single green roof will not do much tochange the temperature of a city. However, when morebuildings begin to change their rooftops into greenspaces, it makes a real difference. Buildings that are cooler also use air conditioning less often.（1）（2）（3）（4）（5）This reduces the amount of energy a building uses, which is good for the environment. Cities are usually more polluted than other areas. Plants on rooftops can even help clean the air.Gardens in the city can also provide a place for birds and bugs to live in.One unusual rooftop garden is located above Children's Hospital in St. Louis, Missouri. The garden covers an area of 7, 500 square feet. The garden has flowers, fountains （喷泉）, even a goldfish pond, and also paths that children can walk on in slippers or with bare feet. It is used as a place for the children and their parent s to relax and be close to nature without leaving the hospital. Another interesting garden is on the rooftop of the Royal York Hotel in Toronto,Canada. A large vegetable garden has been planted on the roof. The hotel's chefs （厨师）can pick fresh vegetables from the roof.Now not all buildings have rooftop gardens. One reason is that rooftop gardens can be more expensive than traditional rooftops. However, they may save on heating and cooling bills in the future. Also, a roof needs to be flat and strong enough to support the weight of the garden.Some people may not know about rooftop gardens and how good they can be for the environment. But word is starting to get out. You may want to keep your eyes on the skies when you walk in your town or city. You never know when you might find a secret garden many feet above the ground.What is a rooftop garden?What is the second paragraph mainly about?What is the rooftop garden in Children's Hospital in St. Louis used as?Why is the rooftop garden of the Royal York Hotel interesting?Why don't all buildings have rooftop gardens?五、书⾯表达（⼆选⼀）19.假如你是李华，你校初三年级将在6⽉份举⾏毕业典礼（graduation ceremony ），学校每个社团都受邀在毕业典礼上展示⾃⼰的⻛采。

03.北京市东城区2018年中考一模考试试题标准答案

东城区2017-2018学年度第一次模拟检测初三数学试题参考答案及评分标准 2018.5题号 1 2 3 4 5 6 7 8 答案BBDDCABC二、填空题（本题共16分，每小题 2分）9. 1x ≥ 10. ()()22n m m +- 11. 8 12. 2x 13. ②③14. 2y x =+，2 15. 答案不唯一，理由须支撑推断结论 16. 正方形的对角线相等且互相平分，圆的定义三、解答题（本题共68分，17-24题，每题5分，第25题6分，26-27题，每小题7分，第28题8分）3=2-1+9+3-1----------4=23+7------------------------517.解：原式分分18. 解：4+6,23x x x x ⎧⎪⎨+⎪⎩①②＞≥，由①得，-x ＞2，------------------1分由②得，1x ≤， ------------------2分 ∴不等式组的解集为-1x 2＜≤.所有整数解为-1, 0, 1. ---------------------5分19.证明： ∵∠BAC =90°，∴∠FBA +∠AFB =90°. -------------------1分 ∵AD ⊥BC ，∴∠DBE +∠DEB =90°．---------------- 2分 ∵BE 平分∠ABC ,∴∠DBE =∠FBA . -------------------3分∴∠AFB =∠DEB . -------------------4分 ∵∠DEB =∠FEA ， ∴∠AFB =∠FEA .∴AE =AF . -------------------5分20. （1）证明：()()2=+3-42m m ∆+()2=+1m ∵()2+10m ≥，∴无论实数m 取何值，方程总有两个实根. -------------------2分（2）解：由求根公式，得()()1,231=2m m x +±+，∴1=1x ，2=+2x m . ∵方程有一个根的平方等于4， ∴()2+24m =.解得=-4m ，或=0m . -------------------5分 21.(1) 证明：∵平行四边形ABCD ， ∴=AB DC ，AB DC ∥. ∵AB =AE ，∴=AE DC ，AE DC ∥.∴四边形ACDE 为平行四边形. -------------------2分 (2) ∵=AB AC ， ∴=AE AC .∴平行四边形ACDE 为菱形. ∴AD ⊥CE . ∵AD BC ∥， ∴BC ⊥CE.在Rt △EBC 中，BE =6, 1cos 3BC B BE ==, ∴=2BC .根据勾股定理，求得=42BC 分 22.解：（1）∵点()3,A n 在函数()30y x x=＞的图象上， ∴=1n ，点()3,1A .∵直线()20y ax a =-≠过点()3,1A ， ∴ 321a -= .解得 1a =. ----------------------2分 (2)易求得()0,2B -.如图，12AOB A S OB x =⋅△，1=2ABC A S BC x ⋅△∵=2ABC AOB S S △△，∴=24BC OB =.∴()10,2C ,或()20,6C -. ----------------------5分 23. （1）证明：连接OC .∵»»CDCB = ∴∠1=∠3. ∵OA OC =， ∴∠1=∠2. ∴∠3=∠2. ∴AE OC ∥. ∵AE EF ⊥， ∴OC EF ⊥.∵ OC 是O e 的半径，∴EF 是O e 的切线. ----------------------2分（2）∵AB 为O e 的直径， ∴∠ACB =90°.根据勾股定理，由AB =5,BC =3,可求得AC =4. ∵AE EF ⊥ ， ∴∠AEC =90°. ∴△AEC ∽△ACB . ∴AE ACAC AB =. ∴445AE =. ∴165AE =. ----------------------5分 24. 解：(I)：56.8%；----------------------1分(II)折线图； ----------------------3分(III)答案不唯一，预估的理由须支撑预估的数据，参考数据61%左右.--------5分25.解：（1）4.5 . --------------------2分（2）--------------------4分(3) 4.2，点P 是AD 与CE 的交点. --------------------6分26.解：(1) ∵点()0,0O 在抛物线上，∴320a -=，23a =.--------------------2分(2)①对称轴为直线2x =；②顶点的纵坐标为 2a --.--------------------4分 (3) （i ）当0a ＞时，依题意，-20320.a a -⎧⎨-⎩＜，≥解得2.3a ≥（ii ）当0a ＜时，依题意，-20320.a a -⎧⎨-⎩＞，≤解得a ＜-2.综上，2a -＜，或23a ≥. --------------------7分27. （1）①75B ∠=︒，45ACB ∠=︒；--------------------2分②作DE ⊥AC 交AC 于点E .Rt △ADE 中，由30DAC ∠=︒，AD =2可得DE =1，AE 3=. Rt △CDE 中，由45ACD ∠=︒，DE=1，可得EC =1. ∴AC 31.Rt △ACH 中，由30DAC ∠=︒，可得AH 33+=； --------------4分（2）线段AH 与AB +AC 之间的数量关系：2AH =AB +AC证明：延长AB 和CH 交于点F ，取BF 中点G ，连接GH .易证△ACH ≌△AFH .∴AC AF =,HC HF =. ∴GH BC ∥. ∵AB AD =，∴ ABD ADB ∠=∠. ∴ AGH AHG ∠=∠ . ∴ AG AH =.∴()2222AB AC AB AF AB BF AB BG AG AH +=+=+=+==. --------------7分 28. 解：（1）C ； --------------2分（2）① 60°；② △MNE 是等边三角形，点E 的坐标为()31，；--------------5分③ 直线32y x =+交 y 轴于点K （0，2），交x 轴于点()23T ，0. ∴2OK =，23OT =∴60OKT ∠=︒.作OG ⊥KT 于点G ,连接MG . ∵()M 0，1， ∴OM =1.∴M 为OK 中点 . ∴ MG =MK =OM =1.∴∠MGO =∠MOG =30°，OG 3∴33.2G ⎫⎪⎪⎝⎭， ∵120MON ∠=︒,∴ 90GON ∠=︒.又OG =1ON =，∴30OGN ∠=︒. ∴60MGN ∠=︒.∴G 是线段MN 关于点O 的关联点.经验证，点)E在直线2y x =+上. 结合图象可知，当点F 在线段GE 上时，符合题意.∵G F E x x x ≤≤，∴F x .--------------8分.。

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