杨浦区2017学第一学期期末质量调研
2017年上海市杨浦区中考一模英语试题及答案及答案
杨浦区2017 学年度第一学期期末质量调研初三英语练习卷 1Part1 Listening第一部分听力)I. Listening Comprehension (听力理解): (共30 分)A.Listen and choose the right picture (根据你听到的内容,选出相应的图片):(6 分)B.Listen to the dialogue and choose the best answer to the question you hear (根据你听到的对话和问题,选出最恰当的答案): (共8 分)7. A) He went camping. B) He visited campus. C) He stayed at home. D) He did housework.gifts.B) By plane. C) By train.D) By bus.14. A)Several towns were struck by the floods. B)Several people were killed in the floods.C) Nobody got hurt or killed in the floods. D)Many people were homeless after the floods.8. A) Rainy. B) Fine. C) Windy.D). Snowy. 9. A ) Every day. C) Every two days. times a year.10. A) 10yuan. B) 20yuan. D)40dyuan. 11. A) In thesupermarket. airport. C) In the church. office.12. A) The weather. Asia.D)A couple ofC)30yuan.B) At theD) At the postB) SoutheastC) Travel plan.D) Christmas13.A) By taxi. B) Once aweek.C.Listen to the passage and tell whether the following statements are true or false(判断下列句子是否符合你听到的短文内容,符合的用“ T”表示,不符合的用“ F”表示): (共 6 分)15.Tom went interview and was told to take s test.16.The manager of the big company wanted to email the test result to Tom.17.Tom didn't get the job as an office boy because he didn't have an email.18.With $10 Tom bought 10 kilos of tomatoes and sold them on the streets.19.It took several years for Tom to become one of the biggest food retailers (零售商) in the US.20. The story tells us that modem technology brings great convenience to businessmen.D.Listen to the passage and complete the following sentences (听短文,完成下列内容,每空格限填一词): (共10 分)2I.Tim Berners-Lee studied at Oxford University, and while he was there he built his first computer.22.In 1980 he a computer program to organizehis notes.23.He designed a system called HTML that allows people to andput them on a web on the Internet. .24.In 1991, 11 years after his first idea for a program, the World Wide Web .25.Berners-Lee wanted his invention to befor everybody.Part2 Phonetics,Grammar and vocabulary(第二部分语音、语法和词汇)II. Choose the best answer ( 选择最恰当的答案): ( 共20 分) is correct for the underlined word26.I could see he was carrying a gun. Which of the following in the sentence?A) /gu;n/ B) /g n/ C) /g ?n/D)/g ?n/27.Which of the following underlined parts is different in pronunciation from others?A) Wild animals should not be kept in zoos. B) Add a little more liquid to the sauce.C) I had a burning desire to visit France. D) It ' snot wise for hurt to travel alone.28.The sign says we can park our ear here. It's information signA) a B)an C)the D)/29. A fire had broken out and caused much to the roof. A) death B) accident C) damageD) problem30.The stampede( 踩踏事件) which happened at the Bund area is disaster to hit Shanghaiin recent years.A) bad B) worse C) worstD) the worst31.The war lasts, the more the people there will suffer.A)Long B)The long C)Longer D)The longer32.95% of the passengers say they are satisfied the public transport service.A)in B)for C)to D)with33.I c alled my father and told him about my progress. He sounded really .A) happy B) happily C) happinessD) unhappy34.Even a small portable computer store huge amounts of information.,A) can B) may C) mustD) should35.Would you mind me a small favor?A) do B) doing C) to doD) to doing36.There are no empty seats on this flight, but there are available on the next one.A) few B) a few C)little D) a little37. the government has promised to improve road safety, sharply.A) goes B)wentC) will goD) had gone40.The house was just what 1 wanted, it was the right price. A) or B) but C) D) so41.I d on't believe in letting children whatever they want to do.A) do B) doing C) to do D) to doing 42.The Red Cross is always the first help towhen a disaster happens.A) provide B) providing C) to D) to providinglittle has been achieved so far. A) If B) AlthoughD) Because 38.They in Italy for twelveEngland. A) liveB) were livinglived D) had livedC) Unlessyears before they moved toC) have39. As soon as the sun down, the temperature drops43. exciting program Tint Running Man is! A) What B) What aC) What anD) How44. Here is the package yon ordered. It this morning.A) deliver B) is deliveredD) was delivered45. —— Are you going to buy a car this year?—— The price for a car plate is so high. I'llwait and see,A) Why not? B) Not really.C) Well, I 'll certainly buy one. D) 1couldn't agree with you more.Ⅲ. Complete the following passage with the words or phrasesin the box. Each word or phrase can only be used once ( 将下列单词或词组填入空格。
(完整word版)7. 2017杨浦初三英语一模卷
2017.1 杨浦区初三英语第一学期期末质量抽查试卷(满分150分,完卷时间100分钟)考生注意:本卷有7大题,共94小题。
试题均采用连续编号,所有答案务必按照规定在答题卡上完成,做在试卷上不给分。
Part 1 Listening (第一部分听力)I. Listening comprehension (听力理解) (共30 分)A. Listen and choose the right picture (根据你听到的内容,选出相应的图片) (6 分)1. ______2. ______3. ______4. ______5. ______6. ______B. Listen to the dialogue and choose the best answer to the question you hear(根据你听到的对话和问题,选出最恰当的答案):(8分)7. A) Shy.B) Pretty.C) Serious.D) Active.8. A) A teacher.B) A TV host.C) A bank clerk D) A writer.9. A) 2:00.B) 2:15.C) 2:30.D) 2:45.10. A) By check.B) By cash.C) By credit card.D) By Apple Pay.11. A) A TV guide.B) A part-time job.C) A plan for movies movies.D) A choices of courses12. A) The shoes are too heavy. B) The ground is wet.C) She doesn’t like the shoes.D) It is raining outside.13. A) Some Chinese were hit by local people. B) An earthquake occurred there last night.C) Some tourists were killed in a flash flood.D) Some tourists were injured in a car accident.14. A) A good website helped Alina get some customers.B) Alina helps people by donating clothes and furniture.C) Alina borrowed money from the bank to start her business.D) Alina’s business is to give people advice on creating website.C. Listen to the passage and tell whether the following statements are true or false (判断下列句子是否符合你听到的短文内容,符合的用“T”表示,不符合的用“F”表示)(6分)15. Barry Haddow travels from Wales to London every day.16. The “Commuter of the Year” competition was organized by an early morning TV program.17. Mr. Haddow won because his commute takes the longest time.18. He travels most of the way by train, and then by taxi.19. He doesn’t like wales, but it’s not as expensive as London.20. He won a rail holiday for himself and his family.D. Listen to the passage and complete the following sentences (听短文,完成下列句子。
杨浦区2017年一模Word版附答案
杨浦区学年第一学期期末期末质量调研初三英语练习卷(满分150分,考试时间100分钟)(本卷有七大题,共94小题。
试题均采用连续编号。
所有答案务必按照规定在答题纸上完成,做在试卷上不给分。
)Part 1 Listening (第一部分听力)I. Listening Comprehension (听力理解)(共30分)A. Listen and choose the right picture (根据你所听到的内容,选出相应的图片)(6分)1._______2. _______3._______4. _______5. _______6._______B. Listen to the dialogue and choose the best answer to the question you hear (根据你所听到的对话和问题,选择最恰当的答案)(8分)7.8. A) Shy. B) Pretty. C) Serious. D) Active.8. A) A teacher. B) A TV host. C) A bank clerk D) A writer.9. A) 2:00. B) 2:15. C) 2:30. D) 2:45.10. A) By check. B) By cash. C) By credit card. D) By Apple Pay.11. A) A TV guide. B) A part-time job. C) A plan formovies D)A choices of courses12. A) The shoes are too heavy.C) S he doesn’t like the shoes.B) Cookies.B) The ground is wet.D) It is raining outside.13. A) Some Chinese were hit by local people.C) Some tourists were killed in a flash flood.B) An earthquake occurred there last night.D) Some tourists were injured in a car accident.14. A) A good website helped Alina get some customers.B) Alina helps people by donating clothes and furniture.C) Alina borrowed money from the bank to start her business.D) Alina’s business is to give people advice on creating website.C. Listen to the passage and (ell whether the following statements are true or false (判断下列句子是否符合你听到的短文内容,符合的用“T”表示,不符合的用“F”表示)(6分)15.Barry Haddow travels from Wales to London every day.16. The “Commuter of the Year” competition was organized by an e arly morning TV program.17. Mr. Haddow won because his commute takes the longest time.18. He travels most of the way by train, and then by taxi.19. He doesn’t like wales, but it’s not as expensive as London.20. He won a rail holiday for himself and his family.D. Listen to the passage and fill in the blanks (听短文填空,完成下列句子。
上海市杨浦区2017年第一学期高三英语期末考试卷--含答案名师制作优质教学资料
杨浦区 2017 届高三第一学期模拟质量调研英语试题2016.12II.Grammar andVocabulary Section ADirections: After reading the passage below, fill in the blanks to make the passage coherentand grammatically correct. For the blanks with a given word, fill in each blank with the properform of the given word; for the other blanks, use one word that best fits each blank.In two days , it will be Christmas, children all over world (21) ________(look) forward tothis day for weeks. People celebrate Christmas with food, decorations, music and more. Butfor many people , gift-giving is the most exciting part of the holiday.I have fond memories of Christmas shopping with my family as a child. I enjoyed thechallenge of keeping my parents’ gifts a secret. It was hard to buy gifts right.(22)______theirnoses without them seeing. Everyone placed(23)__________(wrap) gifts under the Christmastree until Christmas morning, (24)________we opened them.Picking a great gift require (25)________(know) the person you’ re giving it to. You ne to know the person’ s tastes and find something the person doesn’ t already have. This can quite a big challenge . Often it’ s wise to provide a receipt (26)_______the personneeds to exchange the gift.The best gifts are personal . Many Americans don’ tfeel money constitutes a goodgift(27)_______it doesn’requiret any thought. They prefer something chosen just for theperson. If the gift is a high-quality homemade gift, that’ s even better.Gift-giving reflects the reason(28)______ people celebrate Christmas. Christians inparticular remember the birth of Jesus. When he was born, wise men traveled many miles tovisit him, (29)________(bring) expensive gifts. But the greatest gift wasn’ t from the but from God-----the baby Jesus. God gave this gift because everyone needed it. We neededGod to forgive our bad actions so that we (30)______ live forever with him. So on Christmaswe give presents to imitate God’ s action of giving the perfect gift.Section BDirections: Fill each blank with a proper word chosen from the box. Each word can be usedonly once. Note that there is one word more than you need.A. dominanceB. liftsC. dividedD. assumesE. urgedF. militaryG. suspend H. guidance I. violently J. claimed K. illegallythDonald Trump ___31___ his place as the United States 45 president after crossing the270 electoral vote threshold(门槛 ) on November 9. The 70-year-old Republican will take overfrom Barack Obama, a two-term president to occupy with White House.The rise of Trump , a celebrity businessman with no previous experience in the___32___ or elected office, surprised nearly everyone in politics. Trump’ s victory over will end eight years of Democratic ___33___of the White House. He will govern withCongress fully under Republican control and lead a country deeply ___34__ by his campaignagainst Clinton. Given the numerous Republicans who never backed him , Trump will haveto face divisions within his own party, too.As he claimed victory, Trump ___35___ Americans to “come together as one unitedpeople. ” “ I pledge to every citizen of our land that I will be president for all Americans , saidin his victory speech . Striking a gentle tone, Trump continued that he would teach out to afew of those who had chosen not to support him for ___36___and help so that“ we can work together and unify our great country.”As president, Trump’ sgoverning agenda remains unclear. The president elect haspromised to bring changes to the United States. He said he would build a wall along theU.S-Mexio border to stop immigrants from coming into the country___37___.___38___ immigration from countries with ties to terrorist groups, and bargain with foreign governmentssuch as those of Russia and China. Trump has also promised to prioritize the economicgrowth that creates jobs and ___39___incomes for all Americans.Trump is a wild card, many voters said, but he definitely has a chance to be asuccessful president as long as he recognizes the responsibilities he ___40__and followsthrough on his promises.III.ReadingComprehension Section ADirections: For each blank in the following passage there are four words or phrases marked A,B, C and D. Fill in each blank with the word or phrase that best fits the context.Security guard, truck driver, salesperson—year after year, these jobs appear on lists of the unhappiest careers. Although many factors can make a job ___41___ --unusual hours, low pay,no chance for advancement— these three jobs ___42___ for another reason: a lack of smalltalk.Psychologists have long said that connecting with others is central to our well-being, butjust how much conversation we require is under ___43___. In one study, researchers overheard undergraduates for four days and then ___44___ each conversations either “ small talk do you have there? Pop corn? Yummy! ” ) or “ serious ” ( “ Did they break up soon after?found that the second type is connected with happiness—the happiest students had roughlytwice as many “ serious ” talks as the unhappiest ones. Smallet a nwhile,lk,m ___45___ onlyten percent of their conversation, versus almost 30 percent of conversation among theunhappiest students.However, don’just consider small talk ___46___ yet. Scientists believe that small talkcould promote bonding. Chatting with strangers could ___47___ our morning. In a series of experiments, psychologists found that those who chatted with other train passengers reported amore pleasant journey than those who didn’ t.Small talk can also help us feel connecter to our ___48___. People who smiled at, madeeye contact with and ___49___ spoke with their Starbucks baristas (咖啡师)reported a greater sense of ___50___ than those who rushed through the transaction(交易).___51___, when volunteers broke the silence of the art gallery to chat with gallery-goers, the visitors felt happier and more connected to the exhibit than those who were not ___52___.Of course, some of us are better than others at turning small talk into something bigger.In one study, people who were rated “ lesscurious ”by researchers had trouble getting a conversation ___53___ on their own. People who were considered “ curious meanwhile,”needed no help ___54___ conversations about ordinary things like favorite holidays intofriendly exchanges. A “ curiousmindset,”the researchers concluded, can lead to“ positivesocial ___55___.”Therefore, go ahead— small talk needn’ t be idle, and nosiness isn’ t all bad.41.A. rewarding B. depressing C. exhausting D. challenging42.A. stand out B. turn up C. give off D. put forward43.A. negotiation B. construction C. investigation D. examination44.A. divided B. entitled C. imposed D. cataloged45.A. figured out B. made up C. look over D. added to46.A. worthless B. essential C. boring D. ridiculous47.A. occupy B. satisfy C. brighten D. spoil48.A. emotions B. heart C. customers D. surroundings49.A. purposefully B. briefly C. continuously D. generally50.A. responsibility B. security C. belonging D. achievement51.Consequently B. Oppositely C. Unexpectedly D. Similarly52.A. approached B. attached C. addressed D. attended53.A. breaking B. pausing C. rolling D. stopping54.A. evolving B. substituting C. adapting D. transforming55.A. interaction B. standard C. impact D. involvementSection BDirections: Read the following three passages. Each passage is followed by severalquestions or unfinished statements. For each of them there are four choices marked A, B, Cand D. Choose the one that fits best according to the information given in the passage youhave just read.(A)Dear Alcohol,You’ ve been around forever, I can remember all the pain you’ ve caused me.Do you remember the night you almost took my father’life?s I do. He loves you.Sometimes I think he loves you more than he loves me. He ’ s addicted to you, to the way youpromise to rid him of his problems only to cause more of them. You just sat back and laughedas his car went spinning through the street, crashing into two other cars. He wasn’hurt by you that night.Do you remember the night of my first high school party? You were there. My friendswere intrigued by you. They treated you as if they were never going to see you again,drinking all of you that they could. I spent two hours that night helping my friends who hadfallen completely.“ I’ m so embarrassed,” they said as I held their hair back so that they could vomit.“ I’ m sorry,” they said when I called taxies for them, walking them out and paying the driver in advance.“ This wonhappen’t again,” they s a sidthey were sent to the hospital tohave their stomachs pumped. Two 15-year-old girls slept in hospital beds that night thanksto you.Do you remember the night when you took advantage of my 17-year-old neighbor whohad to drive to pick up his sister from her dance lessons? Do you know how we all felt whenhe hit another car and killed the two people in the other car? He died the next morning too. Hissister walked home from her dance lesson, and passed police cars and a crowd of peoplegathering on the sidewalk just two blocks away from the dance studio. She didn’ t realize h brother was in the midst of it all. She never saw him again. And it’ s all your fault.I wish you’ d walk out of my life forever. I don’ t want anything to do with you. Look at a the pain you’ vecaused. Sure, you’ vemade people happy too from time to time. But thedamage you ’ ve caused in the lives of millions is inexcusable. Stop luring(引诱) in the peopleI love. Stop hurting me, please.Sincerely,Anonymous56. What did alcohol do to the author’ s father?A. It took his life away one night.B. It helped to get rid of his problems.C. It pushed him to hurt others when driving.D. It got him seriously injured in a car accident.57. The underlined wordsA. were familiar withC. were disappointed at “ were intrigued by raph” 3inareparagclosest in meaning to ______.B. were curious aboutD. were fed up with58. Which of the statements is TRUE about the author’ s neighbor or his sister?A. He drove to pickup his drunken sister.B. His sister was to blame for the car accident.C. He crashed into a car from the other direction.D. His sister was too scared to look at the scene of the accident.59. What is the tone of the article?A. Humorous C. indifferentB. Doubtful D. Critical(B)60. The total capacity for the public forum on nee and joint pain is ______ people.A. 5B. 20C. 50D. 10061.Mr Li, a marathon runner, has an irreparable slip disc(椎间盘突出).Which hospital should he go to if he does not want to undergo any operation?A. Mt Elizabeth HospitalB. Gleneagles HospitalC. Changi General HospitalD. Singapore General Hospital。
2017届上海杨浦区九年级英语第一学期期末调研试卷及答案
杨浦区2017届九年级第一学期质量调研英语试卷B. Listen to the dialogue and choose the best answer to the question you hear7. A) A reporter. B) A TV host. C) An air hostess. D) A lawyer.8. A) Classical music. B) Jazz. C) Country music. D) Rock.9. A) ¥110. B) ¥100. C) ¥90. D) ¥80.10. A) Anything he liked. B) Jacket and tie.C) Jacket and hat. D) Suit and tie.11. A) In an old house. B) In a little shop. C) On a train. D) On a boat.12. A) He will be waiting for a package. B) He will do some online shopping.C) He will deliver jeans to customers. D) He has ordered some food online.13. A) The man is saving money for a new car. B) The man spends a lot of money on gas.C) The man is driving his parents' car. D) Repairing the car costs the man a lot.14. A) Susan can sell her present house. B) It's necessary for Susan to buy a new house.C) Susan can't afford a new house. D) It's not wise of Susan to buy another house.C. Listen to the passage and tell whether the following statements are true or false15. The story happened on a windy and rainy day.16. Two children came to the house to sell newspapers.17. The speaker invited them in and served them milk and bread.18. They kept talking to the speaker while she was doing housework.19. The speaker failed to get rid of the dirty marks on the carpet.20. The story tells us that we should be thankful for everything we have.D. Listen to the passage and complete the following sentences21. Over a hundred people died in a plane crash _______ __________ last night.22. A British couple are missing, only _______ __________ after they started climbing Mount Everest.23. There are _______ __________ in many parts of India and 32 people died yesterday.24. A report shows that for every one hour of commuting, 30 minutes _______ __________ on traffic jams in Beijing.25. Joe Hall's _______ __________ won him over 13,000,000 pounds last night.Part 2 Phonetics, Grammar and vocabularyII. Choose the best answer .(20’)26.Which of the following words is pronounced as /waild/?A worldB wideC wildD wind27.Mike has only driven to the pub to show _____ his new car – he usually walks.A ofB offC aroundD with28.When _____ is dressed the same, worrying about what you look like isn‟t so important.A someoneB anyoneC no oneD everyone29.We use an online bill-paying service, and we almost everything ____ credit card.A onB byC forD at30.Any way to improve this …welcome letter‟ – I want to make sure it sounds ____.A friendlyB carefullyC gentlyD politely31._____ earthquake recorded in the 20th century occurred in Chile in 1960.A LargeB LargerC LargestD The largest32.I wonder whether buying an electric car ____ a good idea.A beB amC isD are33.I don‟t mind _____back home. I feel like some fresh air.A walkB walkingC to walkD to walking34.The sign says “Passengers ____ show their tickets and passports.”A mustB mayC canD should35.I ____ 30 pages of the book so far, but I hope to finish it by next week.A readB am readingC have readD will read36.It was a terrible journey, ____ we got there safely in the end.A andB orC soD but37.We‟ll have to cancel the school sports meeting ___ it snows tonight.A ifB althoughC unlessD since38.When we ____ home last night, we saw a strange object in the sky.A driveB droveC were drivingD had driven39.The police required the traveler ____ for his luggage.A checkB to checkC checkingD checked40._____ can we help victims after a natural disaster?A WhoB HowC WhereD When41.Please ____ fruits and vegetables in a basin!A washB washingC to washD washed42.Half of the Beijing‟s private cars ____ off the roads due to heavy smog on Friday.A orderB are orderedC orderedD were ordered43.____ amazing the stage play War Horse is!A WhatB What aC What anD How44.–More underground lines should be built in our city!--_____A I‟m glad to hear thatB Not exactlyC I couldn‟t agree moreD I‟m on your side45.–I‟m sorry I‟m late – the traffic was terrible.-____. The traffic situation is getting worse these days.A That‟s OKB You‟re welcomeC I don‟t think soD Please go ahead.III. Complete the following passage with the words or phrases in the box. Each word or phrase can only be used once.(8’)A sourceB on averageC plasticD fixedE examinedThe US public uses about 50 billion water bottles a year and most of those 46 bottles are not recycled, according to Elizabeth Royte‟s book Bottlemanid: How Water Went on Sale and Why We Bought It.More than $100 billion is spent every year on bottled water in the U.S. in many developing countries where there isn‟t a safe 47 of tap water, bottled water is the only choice.In the US, tap water is controlled by the government and often 48 for dangerous substances(物质). Each American drinks 79 litres of bottled water per year 49 . The bottled water industry is so successful that it has outpaced milk, coffee, and juice in the number of gallons of drinks sold – putting it behind only beer and soda.A no longerB completelyC competeD given upE encourageThough the sale of bottled water is still on the rise. Certain policy makers have taken steps to reduce it and 50 people to drink tap water. In September 2009, the Australian city of Bundanoon became the first city in the world to 51 stop bottled water from being sold in stores, building water fountains instead.Among the cities in America that have taken action are San Francisco and Seattle, which 52 buy water for city use, and Chicago which adds a five-cent tax on each bottle. Several restaurants in those cities have also 53 bottled water for tap water. Other cities are also considering taking action.IV. Complete the sentences with the given words in their proper forms.(8’)54.With my saving, I bought _________ a mobile phone for his birthday. (he)55.Our ______ have been polluted by waste from factories. (river)56.The wheelchair gives him the _______ to go out on his own. (free)57.Black shoes go very well with jeans, and are much _________ to keep clean. (easy)58.One soldier was killed and three others were _______ when their tank was hit by a rocket.(wound)59.The modern fashion in education is to let the child _____ everything. (decision)60.Hundreds of houses were ______ damaged in the hurricane. (heavy)61.The growing problem of _______ cats and dogs has caused much trouble in the town. (home) V. Rewrite the following sentences as required. (14’)62.You have to pay to park here. (改为否定句)You ______ _______ to pay to park here63.Henry Ford invented the world‟s first assembly line in 1913. (划线提问)_______ ________ Henry Ford invent the world‟s first assembly line?64.They created a Children‟s Fund to provide money for those who are ill. (保持句意)They _______ ________ a Children‟s Fund to provide money for those who are ill.65.The newspapers will publish the results of the survey. (改为被动语态)The results of the survey will _____ _______ in the newspapers.66.We cannot drink salt water . we cannot take a shower with it, either. (保持句意)We can _____ drink salt water ____ take a shower with it.67.“Have you collected any materials about earthquakes?” asked Ms Ward. (改为宾语从句)Ms Ward asked me _____ I _____ collected any materials about earthquakes.68.a blanket, covered, Tom‟s, with, legs, were (连词成句)____________________________________________.Part Three Reading and WritingVI. Reading comprehensionA. Choose the best answerOnce upon a time if we wanted to make a phone call or wait for someone tocontact us, we had to sit at home or at our desks. There were public phones in the streetof course, but it could be hard to find one that was working and there were often longqueues to use them. And of course you had to bring a lot of coins to pay for the calls.So people didn't phone their friends as often. Mobile phones, these small pieces ofelectronic equipment which allow us to talk with friends and family while we are onthe move, have greatly changed the way we live. Before the age of the mobile phone,our loved ones would sit around worried sick if we were late coming home. There wereno quick calls to tell mum that there would be additional guests coming for dinner. Wewould have to depend on notes left on fridges or desks to communicate messages.But mobile phones have also had a negative effect and what people don't seem to realize is that we'velost something very valuable: our privacy. Now our friends and family can contact us wherever andwhenever they want to. We can never get away from them. The way people communicate with each otheris totally different now. It's difficult to have a conversation face-to-face with a friend without beingdisturbed every couple of minutes by the ring of their phones, ,most people don't see anything wrong inhaving a long conversation on their mobile phone while forgetting all about the person sitting opposite. Itseems the art of real conversation may be dying.Of course, people could leave their mobile phones at home or even switch them off but no one everdoes that. Why not? Because the worrying thing is we can't live without our phones. We've becomecommunication addicts, unable to spend even a few minutes out of contact, in case we miss something 'important'.69. What does the underlined sentence tell us?A) No all-day public phone service was provided in the street.B) Public phones were in poor condition and not always available.C) Public phones were everywhere but they were always in use.D) You could always see people repairing the public phones.70. What's the writer's point about using telephones before the invention of mobile phones?A) Using a telephone was expensive. B) Phone calls were much shorter.C) People made fewer phone calls. D) People relied on notes a lot.71. What does the writer think about life before mobile phones?A) Life was less convenient. B) People were more punctual.C) Things were more relaxed. D) Everyone managed very well.72. What's the writer's main argument against mobile phones?A) They have damaged relationships. B) We give out too much information.C) They are harmful to our body and mind. D) It's impossible to escape from them.73. Which word best describes how the writer feels about the use of mobile phones.'?A) Disappointed. B) Satisfied. C) Worried. D) Surprised.74. What's the writer's main purpose in writing this article?A) To inform people about means of communication in the past.B) To show disadvantages of the way people communicate today.C) To advise readers to stop using the mobile phone.D) To compare different types of phone conversation.B. Choose the words or expressions and complete the passageThe International Climate Champions (ICC) project began in 2007. It gives young people of schoolage a chance to speak publicly on climate change and to call on people to take action to reduce its 75 .Each country involved selects three teenagers to be Climate Champions, who take part in local andinternational activities.Climate Champion Irene Sanna lived on the Italian island of Sardinia. Irene is interested in solarenergy, and 76 believes that Sardinia should use the waves around its coast to produce electricity.'We must make our plans to save our coast, which still has no pollution. We must protect the animals, birdsand fish in danger from global warming. And we must recycle.'Chinese student Ding Yinghan is the Beijing Climate Champion. Ding feels it is not 77 tosaythat just one country - his own - is causing climate change. He says the air pollution that leads to globalwarming comes from many parts of the world, including poorer countries that are now growing morequickly. He believes the only way to 78 the situation getting even worse is for rich and poor countriesto work together.Sophia Angelis, a junior student in California, is a US Champion. She's against young people'sgeneration lack of interest in politics and feels they need to discuss the problems that really matter to theirgeneration. Sophia strongly believes that climate change is an important issue for her generation. For her,79 in the way teenagers behave are an important way of influencing choices made by parents.In 2008, the Climate Champion attended the International Conference of Environment Ministers in theJapanese city of Kobe. 80 ,30 countries are involved in the ICC, and more countries are expected tojoin soon.75. A) support B) amount C) costs D) effects76. A) hardly B) also C) never D) only77. A) proud B) common C) fair D) important78. A) protect B) improve C) prevent D) explain79. A) changes B) problems C) characters D) advantages80. A) After all B) At present C) For example D) What's moreC. Read the passage and fill in the blanks with proper wordsSomeone sent me a group e-mail the other day. One of those that end with: send this to 10 friends ... Iliked the story and it really got me thinking.Here's the story from the e-mail:Recently I overheard a father and a daughter in their last moments together at the a 81 . They hadannounced the departure.Standing near the security gate, they hugged and the father said, 'I love you, and I wish you enough.' They kissed and the daughter left. The father walked over to the window where I was seated. I tried toleave him some privacy, but I could not keep m 82 from asking:'When you were saying good-bye, I heard you say, 'I wish you enough.' May I ask what that means?'He began to smile. 'That's a wish that is p 83 on from generation to generation. My parents usedto say it to everyone.'He paused a moment and looked up as if trying to remember it in d 84, and he smiled even more. 'When we said, 'I wish you enough,' we were wanting the other person to have a life filled with justenough good things to carry them on.'T 85 , slowly turning toward me, he shared the following as if he were reciting it from memory.I wish you enough sun to keep your attitude b 86 no matter how gray the day may appear.I wish you enough rain to appreciate the sun even more.I wish you enough happiness to keep your spirit alive and everlasting.I wish you enough pain so that even the s 87 of joys in life may appear bigger.I wish you enough gain to satisfy your wanting.I wish you enough loss to appreciate all that you possess.I wish you enough hellos to get you through the final good-bye.D. Read what Claire did and answer the questionsMy stay in the rainforestLast year, I left my job and went to Borneo to work without pay in the rainforest. So many people have said to me, 'I would love to do something like that,' and I say, 'If you want to, just do it.' They always reply, 'l can't.' But, ifyou really want to do it, there are ways to make it happen.After three day's training, I started work on an environmental project with a group of young people. The accommodation was very basic and we had to build our own place to sleep. This consisted of a simple bed, a cloth roof and a net to keep insects (昆虫) out.It was never dangerous there, but it was very challenging (挑战的). There were things that we didn't think we would manage to do, but we did. I had some of my worst moments there, but alsosome of my best - it made me feel alive. I didn't miss my home comforts as much as I'd thought I might. We had food, water, somewhere to stay, about three sets of clothes and really good conversation. We were in the most beautiful place and we had things to keep us busy. We didn't need any more.One of the teenagers said, 'Before we came here, it was really important to me what clothes I wore and who my friends were. I was always thinking about shoes, but really none of that matters. Here, people accept me for who I am, what I believe and think, not for what kind of clothes I've got.' When she said that, it summed it up for me.88. Did Claire get any money from the work in Borneo?89. What did Claire do before she started work on an environmental project?90. How was Claire's 'bedroom' in the rainforest?91. What did the teenager care about before she came to Borneo?92. How did Claire feel about the experience of living in the rainforest?93. What do you think might be the worst moments Claire had during her stay in the rainforest?VII. Writing94. In at least 60 words, write a letter to your headmaster suggesting rules you think should be changed or improved. Support your opinions with facts or examples. (给校长写一封至少60个词的信,向他建议几条需要改变或改进的学校规则,并辅以事实或例子。
ab_杨浦区兰生复旦2017年度预初第一学期期末质量调研(附答案)
杨浦区2017 年度第一学期期末质量调研六年级语文练习卷满分:100 分第一部分:阅读(60 分)一、文言文阅读(共28 分)(一)默写(10 分)1. ,流响出疏桐。
(虞世南《蝉》)2. ,不及林间自在啼。
(欧阳修《画眉鸟》)3. 知儿童挑促织,。
(叶绍翁《夜书所见》)4. ?学之,则难者亦易矣。
(彭端淑《为学》)5. 郑人有欲买履者,。
(《郑人买履》)考点:能记诵规定范围内的文言诗文。
答案:1. 垂緌饮清露2. 始知锁向金笼听3. 夜深篱落一灯明4. 人之为学有难易乎5. 先自度其足(二)阅读下面的诗歌,回答问题。
(6 分)望岳岱宗夫如何?齐鲁青未了。
造化钟神秀,阴阳割昏晓。
荡胸生曾云,决眦入归鸟。
会当凌绝顶,一览众山小。
6. 本诗作者是唐代伟大的现实主义诗人杜甫,自号“”他的诗风沉郁顿挫,他被后世尊称为“ ”考点:掌握重要的文学和文化常识。
答案:少陵野老诗圣7. 下列表述错误的两项是()()(4 分)A. 《望岳》这首诗格调高亢,字里行间洋溢着青年杜甫蓬勃的朝气。
B. “会当凌绝顶,一览众山小。
”这是化用了孔子的名言“登泰山而小天下”,抒发了诗人登上泰山后的感受。
C. 《饮湖上初晴后雨》中“淡妆浓抹”与前两句的西湖晴雨之景相呼应,使“西子”之比更贴切传神。
D. 《观沧海》全诗借景抒情,借大海壮丽的景象写昂扬斗志,尤其是“幸甚至哉,歌以咏志”两句抒发了诗人博大的胸襟。
E. 《卜算子》写送别,一扫愁苦,悲伤之气,以“眉眼”写山水,生动形象,写出了词人对美好春光的憧憬。
考点:能理解和把握诗词的基本内容和作者的感情倾向。
分析:B 中诗人并没有登上泰山,D 中“幸甚至哉,歌以咏志”是古体乐府诗结束时的“套语”与诗的内容无关。
答案:B D(三)阅读下文,回答问题。
(12 分)画蛇添足楚有祠者,赐其舍人巵酒。
舍人相谓曰:“数人饮之不足,一人饮之有馀,请画地为蛇,先成者饮酒。
”一人蛇先成,引酒且饮之,乃左手持巵,右手画蛇曰:“吾能为之足。
杨浦区2017学第一学期期末质量调研
杨浦区2017学年度第一学期期末质量调研初三数学试卷 2018.1(测试时间:100分钟,满分:150分)考生注意:1.本试卷含三个大题,共25题.答题时,考生务必按答题要求在答题纸规定的位置上作答,在草稿纸、本试卷上答题一律无效.2.除第一、二大题外,其余各题如无特别说明,都必须在答题纸的相应位置上写出证明或计算的主要步骤.一、选择题:(本大题共6题,每题4分,满分24分) 1.如果56x y =,那么下列结论正确的是( )(A ):6:5x y =; (B ):5:6x y =; (C )5,6x y ==; (D )6,5x y ==.2.下列条件中,一定能判断两个等腰三角形相似的是( )(A )都含有一个40°的内角; (B )都含有一个50°的内角; (C )都含有一个60°的内角; (D )都含有一个70°的内角.3.如果ABC DEF △∽△,A 、B 分别对应D 、E ,且:1:2A B D E =,那么下列等式一定成立的是( ) (A ):1:2BC DE =;(B )ABC △的面积∶DEF △的面积=1:2; (C )A ∠的度数∶D ∠的度数=1:2; (D )ABC △的周长∶DEF △的周长=1:2.4.如果2a b = (,a b均为非零向量),那么下列结论错误的是( )(A )//a b ; (B )20a b -= ; (C )12b a = ; (D )2a b =.5.如果二次函数2y ax bx c =++(0a ≠)的图像如图所示,那么下列不等式成立的是( )(A )0a >; (B )0b <; (C )0ac <;(D )0bc <.6.如图,在ABC △中,点D 、E 、F 分别在边AB 、AC 、BC 上,且AED B ∠=∠,再将下列四个选项中的一个作为条件,不一定能使得ADE BDF △∽△的是( ) (A )EA EDBD BF=; (B )EA EDBF BD=; (C )AD AEBD BF=; (D )BD BABF BC=.(第6题图)二、填空题:(本大题共12题,每题4分,满分48分) 7.抛物线23y x =-的顶点坐标是 .8.化简:112()3()22a b a b --+= .9.点()1,A m -和点()2,n -都在抛物线2(3)2y x =-+上,则m 与n 的大小关系为m n (填“<”或“>”).10.请写出一个开口向下,且与y 轴的交点坐标为()0,4的抛物线的表达式 .11.如图,DE FG BC ∥∥,::2:3:4AD DF FB =,如果4EG =,那么AC = .12.如图,在□ABCD 中,AC 、BD 相交于点O ,点E 是OA 的中点,联结BE 并延长交AD 于点F ,如果AEF △的面积是4,那么BCE △的面积是 .13.Rt ABC △中,90C ∠=︒,如果9AC =,1cos 3A =,那么AB = .14.如果某人滑雪时沿着一斜坡下滑了130米的同时,在铅垂方向上下降了50米,那么该斜坡的坡度是1∶ .15.如图,Rt ABC △中,90C ∠=︒,M 是AB 中点,MH BC ⊥,垂足为点H ,CM 与AH 交于点O ,如果12AB =,那么CO = . 16.已知抛物线22y ax ax c =++,那么点()34P -,关于该抛物线的对称轴对称的点的坐标是 . 17.在平面直角坐标系中,将点(),b a --称为点(),a b 的“关联点”(例如点()2,1--是点()1,2的“关联点”).如果一个点和它的“关联点”在同一象限内,那么这一点在第 象限.18.如图,在ABC △中,AB AC =,将ABC △绕点A 旋转,当点B 与点C 重合时,点C 落在点D 处,如果2sin 3B =,6BC =,那么BC 的中点M 和CD 的中点N 的距离是 .三、解答题:(本大题共7题,满分78分) 19.(本题满分10分)计算:cos 45tan 45sin 60cot 60cot 452sin 30︒⋅︒-︒⋅︒︒+︒C (第18题图)(第11题图) (第12题图) (第15题图)20.(本题满分10分,第(1)、(2)小题各5分)已知:如图,Rt ABC △中,90ACB ∠=︒,3sin 5B =,点D 、E 分别在边AB 、BC 上,且:2:3AD DB =,DE BC ⊥.(1)求DCE ∠的正切值; (2)如果设AB a = ,CD b =,试用a 、b 表示AC .21.(本题满分10分)甲、乙两人分别站在相距6米的A 、B 两点练习打羽毛球,已知羽毛球飞行的路线为抛物线的一部分,甲在离地面1米的C 处发出一球,乙在离地面1.5米的D 处成功击球,球飞行过程中的最高点H 与甲的水平距离AE 为4米,现以A 为原点,直线AB 为x 轴,建立平面直角坐标系(如图所示).求羽毛球飞行的路线所在的抛物线的表达式及飞行的最高高度.(第20题图)(第21题图)x22.(本题满分10分)如图是某路灯在铅垂面内的示意图,灯柱BC 的高为10米,灯柱BC 与灯杆AB 的夹角为120°.路灯采用锥形灯罩,在地面上的照射区域DE 的长为13.3米,从D 、E 两处测得路灯A 的仰角分别为α和45°,且tan 6α=. 求灯杆AB 的长度.23.(本题满分12分,第(1)小题5分,第(2)小题7分)已知:梯形ABCD 中,AD BC ∥,AD AB =,对角线AC 、BD 交于点E ,点F 在边BC 上,且BEF BAC ∠=∠.(1)求证:AED CFE △∽△;(2)当EF DC ∥时,求证:AE DE =.(第22题图)(第23题图)24.(本题满分12分,第(1)小题3分,第(2)小题5分,第(3)小题4分)在平面直角坐标系xOy 中,抛物线2221y x mx m m =-+--+交y 轴于点为A ,顶点为D ,对称轴与x x 轴交于点H .(1)求顶点D 的坐标(用含m 的代数式表示);(2)当抛物线过点()1,2-,且不经过第一象限时,平移此抛物线到抛物线22y x x =-+的位置,求平移的方向和距离;(3)当抛物线顶点D 在第二象限时,如果ADH AHO ∠=∠,求m 的值.(第24题图)25.(本题满分14分,第(1)、(2)小题各6分,第(3)小题2分)已知:矩形ABCD 中,4AB =,3BC =,点M 、N 分别在边AB 、CD 上,直线MN 交矩形对角线AC 于点E ,将AME △沿直线MN 翻折,点A 落在点P 处,且点P 在射线CB 上. (1)如图1,当EP BC ⊥时,求CN 的长; (2)如图2,当EP AC ⊥时,求AM 的长;(3)请写出线段CP 的长的取值范围,及当CP 的长最大时MN 的长.(备用图) (图1) A B D NP ME(图2) A B C D N P M E (第25题图)A B C D。
上海市杨浦区2017-2018学年九年级上期末质量物理试题含答案
上海市杨浦区2017-2018 学年九年级上期末质量物理试题含答案杨浦区 2017学年度第一学期期末质量调研初三物理练习卷(满分 100 分,时间 90 分钟)考生注意:1.本试卷含五个大题。
2.答题时,考生务必按答题要求在答题纸规定的地点上作答,在底稿纸、本试卷上答题一律无效。
一、选择题(共20 分)1.以下单位中,属于密度单位的是A帕斯卡B牛/千克C千克/米3D牛2.运载宏大器件的大型平板车有几十个轮胎,轮胎个数多是为了A 减小压强B减小压力C减小重力D增大压力3.关于某一确立的导体,影响该导体电流大小的物理量是A通电时间B电荷量C电压D质量4.在图 1 所示的实例中,利用连通器原理工作的是A 用管子吸饮料B 注射器C 离心式水泵D 茶壶图 15.以下家用电器中,正常工作时电流最凑近0.5 安的是A 电饭煲B 电视机C 电熨斗D 空调器6. 电动自行车两刹车手柄中各有一只开关S 和 S ,内行驶过程顶用任一只手柄刹车1 2时,该手柄上的开关立刻断开,电动自行车停止工作,以下电路切合要求的是S1 2 S1 S1 S1S MS2 S2S2MM M第 1页(共3页)A B C D7. 向一个轻质塑料瓶中装入密度为ρA 的液体后密闭,把它分别放在盛有密度为ρ甲、ρ 乙 两种液体的容器中,两容器内液面恰巧相平,且瓶底和瓶口均相平。
若塑料瓶在甲、乙两种液体中所受浮力分别为F 甲 、 F 乙 ,甲、乙两种液体对容器底部的压强分别为p 甲 和 p 乙 ,如图 2 所示,以下判断正确的选项是AAp 甲 <p 乙 , F 甲=F 乙ApB甲< p乙,ρρ乙< AC甲乙p 甲> p 乙 , ρ 乙 < ρ AD p 甲=p 乙 , F 甲 =F 乙图 28. 将电阻 R 1 和 R 2 并联后接在电源两头,若 R 1、R 2 的电阻分别为 5 欧和 15 欧,如图3 所示,则闭合电键S ,电流表 A 与 A 1 的的示数之比为A 3: 1B 1: 4C 4:1D 4: 3甲R 1VSA乙SR 1A 1AR 2R 2P图 3 图 4图 59.如图 4 所示,底面积不一样的圆柱形容器分别盛有甲、乙两种液体,液体的质量相等,若冷静器内分别抽出部分液体甲和乙,使甲对容器底部的压强盛于乙对容器底部的压强。
上海市杨浦区2017-2018学年七年级上学期期末数学试题(含答案及解析)
杨浦区2017学年度第一学期七年级期终质量调研数学学科一、填空题1. 已知长方形的长为a,宽为b,用含a、b的代数式表示长方形的周长:____________.【答案】2a+2b;【解析】【分析】根据长方形的周长计算公式列出代数式即可.【详解】根据题意得,长方形的周长=2(a+b)=2a+2b.故答案为2a+2b.【点睛】此题主要考查了列代数式,熟练掌握长方形周长计算公式是解此题的关键.2. 计算:(2x2-x)-(x2-2x)=________.【答案】x2+x【解析】【分析】原式去括号合并同类项即可.【详解】(2x2-x)-(x2-2x)= 2x2-x-x2+2x= x2+x,故答案为:x2+x【点睛】此题考查了整式的加减,去括号、合并同类项是化简的关键.3. 计算:-y2·(-y)3=__________.【答案】y5【解析】【分析】先化简(-y)3,再利用同底数幂乘法性质计算即可.【详解】-y2·(-y)3=-y2·(-y3)= y5,故答案为:y5【点睛】此题考查了同底数幂乘法性质,掌握这个运算性质是解答此题的关键.4. 计算:(a-1)(b+2)=___________【答案】ab+2a-b-2【解析】【分析】用多项式乘多项式法则进行计算即可.【详解】(a-1)(b+2)=ab+2a-b-2,故答案为:ab+2a-b-2【点睛】此题考查了多项式乘多项式法则:先用一个多项式的每一项分别乘另一个多项式的每一项,再把所得的积相加.5. 计算:(m 6n 3-6mn 5)÷(-3mn 3)=___________.【答案】-13m 5+2n 2 【解析】【分析】用多项式除以单项式法则进行计算即可. 【详解】(m 6n 3-6mn 5)÷(-3mn 3)= m 6n 3÷(-3mn 3)-6mn 5÷(-3mn 3)=-13m 5+2n 2 故答案为:-13m 5+2n 2 【点睛】此题考查了多项式除以单项式法则:先用一个多项式的每一项分别除以这个单项式,再把所得的商相加.6. 分解因式:a 2+5a ﹣6=_____.【答案】(a ﹣1)(a+6)【解析】试题分析:原式利用十字相乘法分解即可.解:原式=(a ﹣1)(a+6),故答案为(a ﹣1)(a+6)考点:因式分解-十字相乘法等.7. 若1厘米=10000微米,则2微米=____________厘米(结果用科学记数法表示)【答案】4210-⨯【解析】【分析】绝对值小于1的正数也可以利用科学记数法表示,一般形式为a ×10−n ,与较大数的科学记数法不同的是其所使用的是负指数幂,指数由原数左边起第一个不为零的数字前面的0的个数所决定.【详解】2微米=2÷10000厘米=0.0002厘米=2×10−4厘米.故答案为:2×10−4.【点睛】本题考查用科学记数法表示较小的数,一般形式为a ×10−n ,其中1≤|a|<10,n 为由原数左边起第一个不为零的数字前面的0的个数所决定.8. 若分式x 25x-1+有意义,则x 的取值范围是___________. 【答案】x≠15 【解析】【分析】根据分母不等于0列式进行计算即可求解.【详解】根据题意得,5x-1≠0,解得x≠15. 故答案为:x≠15. 【点睛】本题考查了分式有意义的条件,从以下三个方面透彻理解分式的概念:(1)分式无意义⇔分母为零;(2)分式有意义⇔分母不为零;(3)分式值为零⇔分子为零且分母不为零.9. 计算:22111x x x +--=___________. 【答案】11x -+ 【解析】【分析】先化为同分母分式,再按同分母分式相加减的法则计算即可. 【详解】22111x x x +--=22111x x x ---=211x x --=()()()11x 1x 11x x --=-+-+ 故答案为:11x -+ 【点睛】此题考查分式的加减,掌握分式加减的法则是解答此题的关键. 10. 分式方程32x 1x-4=+的解为___________. 【答案】x =14【解析】【分析】本题考查解分式方程的能力,观察可得方程最简公分母为:(x+1)(x−4),去分母,化为整式方程求解.【详解】方程两边同乘(x+1)(x−4),得3(x−4)=2(x+1),解得:x =14,经检验x =14是方程的解.【点睛】(1)解分式方程的基本思想是“转化思想”,把分式方程转化为整式方程求解;(2)解分式方程一定注意要验根.11. 如图,将ABC ∆沿BC 方向平移2cm 得到DEF ∆,如果ABC ∆的周长为16cm ,那么四边形ABFD 的周长为______cm .【答案】20【解析】【分析】根据平移的性质可得AD=CF=2,根据△ABC 的周长即可求得四边形ABFD 的周长.【详解】由平移的性质可得:AD=CF=2,AC=DF∵△ABC 的周长为16cm ,∴AB+AC+BC=16∴四边形ABFD 的周长=AB+BF+DF+AD=AB+BC +CF+AC +AD=16+4=20cm故答案为:20【点睛】本题考查的是平移的性质,掌握平移的性质“对应线段相等,对应点的连线相等”是关键. 12. 如图,将△ABC 绕着点A 顺时针旋转后得到△ADE ,且∠BAE=58º,则旋转角的大小是_____.【答案】29°【解析】分析】由△ABC 顺时针旋转能与△ADE 重合,且∠BAE=58°,即可求得旋转角的度数.【详解】∵△ABC 顺时针旋转能与△ADE 重合,且∠BAE=58°,∴∠BAC=∠DAE=12∠BAE=29°. ∴旋转角的大小是29°.故答案为:29°.【点睛】此题考查了旋转的性质.此题比较简单,注意掌握旋转前后图形的对应关系,注意掌握数形结合思想的应用.13. 如图,在3×3的正方形网格中,已有两个小正方形被涂黑.再将图中其余小正方形任意涂黑一个,使整个图案构成一个轴对称图形的方法有________种.【答案】5 种【解析】【分析】根据轴对称图形的性质分别得出即可.【详解】如果一个图形沿一条直线对折,直线两旁的部分能互相重合,那么这个图形叫做轴对称图形.选择一个正方形涂黑,使得3个涂黑的正方形组成轴对称图形,选择的位置有以下几种:1,3,7,6,5,选择的位置共有5处.14. 如图,半径为5的半圆的初始状态是直径平行于桌面上的直线b,然后把半圆沿直线b进行无滑动滚动,使半圆的直径与直线b重合为止,则圆心O运动路径的长度等于_____.【答案】5π【解析】【分析】根据题意得出球在无滑动旋转中通过路程为12圆弧,根据弧长公式求出弧长即可.【详解】解:由图形可知,圆心先向前走OO1的长度,从O到O1的运动轨迹是一条直线,长度为14圆的周长,然后沿着弧O 1O 2旋转14圆的周长, 则圆心O 运动路径的长度为:112544π⨯⨯+×2π×5=5π, 故答案为5π.【点睛】本题考查的是弧长的计算和旋转的知识,解题关键是确定半圆作无滑动翻转所经过的路线并求出长度.二、选择题15. 在下面四个式子中,为代数式的是( )A. s =vtB. 0C. a +b =b +aD. 112x =- 【答案】B【解析】【分析】由代数式的定义可知,0是代数式.【详解】解:A 、C 、D 都是等式,只有0是代数式,故选:B .【点睛】本题考查代数式的定义;熟练掌握代数式的定义,并能利用定义准确判断代数式是解题的关键. 16. 下列算式中,正确的是( )A. x 3+x 3=x 6B. (x -1+y -1)-1=x+yC. 5a -2=215aD. (-2a)6•(-14b)3=-a 6b 3 【答案】D【解析】【分析】各项计算得到结果,即可作出判断.【详解】A. x 3+x 3=2x 3,不符合题意;B. (x -1+y -1)-1=xy x y+,不符合题意;C. 5a 2=25a ,不符合题意; D. (-2a)6•(-14b)3=-a 6b 3,符合题意, 故选:D【点睛】此题考查了合并同类项、负整数指数幂、积的乘方等运算,掌握运算法则是解答此题的关键. 17. 下列算式中,正确的是( )A. (a+2)(a-2)=a 2-2B. (a-3b)2=a 2-9b 2C. (m+n)(p-q)=mp-mq+np-nqD. (x-2)(x+3)=x 2-x-6 【答案】C【解析】【分析】根据平方差公式,完全平方公式和多项式乘多项式法则对各选项分析判断后利用排除法求解.【详解】A 、 (a+2)(a-2)=a 2-4,故本选项错误;B 、(a-3b)2=a 2-6ab+9b 2,故本选项错误;C 、(m+n)(p-q)=mp-mq+np-nq ,正确;D 、(x-2)(x+3)=x 2+x-6,故本选项错误.故选:C .【点睛】本题主要考查了整式乘法的有关运算.要注意平方差公式和完全平方公式的运用. 18. 如果把分式2ab a b +中的a 、b 同时扩大为原来的2倍,那么得到的分式的值( ) A. 不变B. 扩大为原来的2倍C. 缩小到原来的12D. 扩大为原来的4倍. 【答案】B【解析】【分析】依题意分别用2a 和2b 去代换原分式中的a 和b ,利用分式的基本性质化简即可【详解】分别用2a 和2b 去代换原分式中的a 和b , 得22242222a b ab ab a b a b a b⨯⨯==⨯+++, 可见新分式是原分式的2倍.故选:B .【点睛】本题考查了分式的基本性质.解题的关键是抓住分子、分母变化的倍数,解此类题首先把字母变化后的值代入式子中,然后约分,再与原式比较,最终得出结论.19. 下列图形中,既是轴对称图形,又是中心对称图形的是( ) A. B. C. D.【答案】A【解析】【分析】根据轴对称图形和中心对称图形的定义即可判断结论;【详解】A 是轴对称图形也是中心对称图形,故本项正确;B 不是轴对称图形,也不是中心对称图形,故本项错误;C 是轴对称图形不是中心对称图形,故本项错误;D 不是轴对称图形,是中心对称图形,故本项错误;故选:A .【点睛】本题考查轴对称图形,中心对称图形,熟记相关概念是解题的关键.20. 如图,如果正方形ABCD 旋转后能与正方形CDEF 重合,那么图形所在平面内,可作为旋转中心的点个数( )A. 1个B. 2个C. 3个D. 4个 【答案】C 【解析】【分析】 【详解】可以绕点D,点C,线段CD 的中点旋转,故选C.三、解答题21. 计算:2223335()(2)()53xy x y x y x -+÷- 【答案】339x y -【解析】【分析】原式利用幂的乘方与积的乘方运算法则,单项式乘除单项式法则计算,合并即可得到结果. 【详解】解:2223335()(2)()53xy x y x y x -+÷- =336338()x y x y x -+÷-33338x y x y =--339x y =-.【点睛】此题考查了单项式乘以单项式和单项式除以单项式,熟练掌握运算法则是解本题的关键.22. 计算:11x y x y---- 【答案】x y -【解析】【分析】根据负指数幂及分式的运算法则即可求解. 【详解】解:原式11x y y x ⎛⎫⎛⎫=-÷- ⎪ ⎪⎝⎭⎝⎭ 11xy xy y x--=÷ 11xy x y xy -=⋅-x y =- 【点睛】此题主要考查分式的运算,解题的关键是熟知分式的运算法则.23. 分解因式:(x 2-1)2-7(x 2-1)-8【答案】x 2(x+3)(x-3)【解析】【分析】利用十字相乘法分解因式得出即可.【详解】(x 2-1)2-7(x 2-1)-8=( x 2-1+1)( x 2-1-8)= x 2(x+3)(x-3),故答案为:x 2(x+3)(x-3)【点睛】此题主要考查了十字相乘法分解因式,正确将常数项分解得出是解题关键.24. 分解因式:a 2-4+4b 2-4ab【答案】(a-2b +2)(a-2b−2)【解析】【分析】直接利用乘法公式进而分解因式得出答案.【详解】原式=(a 2-4ab+4b 2)-4=(a-2b )2−22=(a-2b +2)(a-2b−2).故答案为:(a-2b +2)(a-2b−2).【点睛】此题主要考查了分组分解法分解因式,正确应用乘法公式是解题关键. 25. 下面是小明化简分式的过程,仔细阅读并解答所提出的问题 解:22624x x x --+- 2(2)6(2)(2)(2)(2)x x x x x x --=-+-+-第一步 =2(x -2)-(x -6)第二步=2x -4-x +6第三步2x =+第四步(1)小明的解法从第 步开始出现错误;(2)第一步进行 ,它的数学依据是 .(3)第三步进行 ,它的数学依据是 .(4)正确的化简结果是 .【答案】(1)第二步;(2)通分,分式的基本性质;(3)去括号,乘法分配律;(4)12x - 【解析】【分析】(1)第二步直接去分母了,故从第二步开始出错;(2)第一步进行通分,依据是分式的基本性质;(3)第三步进行去括号,依据乘法分配律;(4)根据分式的运算法则即可求出答案.【详解】(1)小明的解法从第二步开始出现错误;故答案为:第二步;(2)第一步进行通分,它的数学依据是分式的基本性质;故答案为:通分;分式的基本性质;(3)第三步进行去括号,它的数学依据是乘法分配律故答案为:去括号;乘法分配律;(4)22624x x x --+- 2(2)6(2)(2)(2)(2)x x x x x x --=-+-+- =()2(2)6(2)(2)x x x x ---+- =2(2)(2)x x x ++- =12x - 故答案为:12x -. 【点睛】本题考查分式的运算,解题的关键是熟练运用分式的运算法则,本题属于基础题型.26. 解方程:2213111x x x x -+=--- 【答案】方程无解.【解析】【分析】观察可得方程最简公分母为(x 2-1).去分母,转化为整式方程求解.结果要检验. 【详解】2213111x x x x -+=---, 方程的两边同乘(x+1)(x-1),得:-(x+1)+23x x -=-(x+1)(x-1),解得x=1,经检验x=1是原方程的增根,所以原方程无解.【点睛】(1)解分式方程的基本思想是“转化思想”,把分式方程转化为整式方程求解.(2)解分式方程一定注意要验根.27. 如图,有三条格点线段AB 、CD 、DE (线段的端点是网格线的交点),它们组成的图形不是轴对称图形.现要通过平移或旋转,改变其中一条线段的位置,使运动后的这条线段与另两条线段组成一个轴对称图形.请分别填写三种平移方案和三种旋转方案平移方案:(移动方向限填“上”、“下”、“左”、“右”)(1)将线段 向 平移1格;(2)将线段向平移1格;(3)将线段向平移1格;旋转方案:(限填绕A、B、C、D、E中的一点旋转且任意两条线段不重合)(4)将线段绕点按时针方向旋转度;(5)将线段绕点按时针方向旋转度;(6)将线段绕点按时针方向旋转度;【答案】(1)AB,右;(2)DE,下;(3)DE,左;(4)将线段CD绕点C按顺时针方向旋转90度;(5)将线段DE绕点E按逆时针方向旋转90度;(6)将线段DE绕点C按逆时针方向旋转90度;【解析】【分析】(1)根据平移的性质及轴对称的定义将AB向右平移1格即可;(2)根据平移的性质及轴对称的定义将DE向下平移1格即可;(3)根据平移的性质及轴对称的定义将DE向左平移1格即可;(4)根据旋转的性质及轴对称的定义将线段CD绕点C按顺时针方向旋转90度即可;(5)根据旋转的性质及轴对称的定义将线段DE绕点E按逆时针方向旋转90度即可;(6)根据旋转的性质及轴对称的定义将线段DE绕点C按逆时针方向旋转90度即可;【详解】(1)将AB向右平移1格,运动后的这条AB线段与CD,DE线段组成一个轴对称图形;故答案为:AB;右;(2)将DE向下平移1格,运动后的这条DE线段与CD,AB线段组成一个轴对称图形;故答案为:DE;下;(3)将DE向左平移1格, 运动后的这条DE线段与CD,AB线段组成一个轴对称图形;故答案为:DE;左;(4)将线段CD绕点C按顺时针方向旋转90度, 运动后的这条CD线段与DE,AB线段组成一个轴对称图形;故答案为:将线段CD绕点C按顺时针方向旋转90度;(5)将线段DE绕点E按逆时针方向旋转90度, 运动后的这条DE线段与CD,AB线段组成一个轴对称图形;故答案为:将线段DE绕点E按逆时针方向旋转90度;(6)将线段DE绕点C按逆时针方向旋转90度, 运动后的这条DE线段与CD,AB线段组成一个轴对称图形;故答案为:将线段DE绕点C按逆时针方向旋转90度.【点睛】此题主要考查轴对称图形的设计,解题的关键是熟知轴对称图形的性质、平移与旋转的特点. 28. 如图,△ABC是格点三角形(各顶点是网格线的交点),每个小方格都是边长为1个单位长度的小正方形.(1)将△ABC向右平移6个单位长度,画出平移后的△A1B1C1.(2)将平移后的△A1B1C1绕点B1顺时针旋转90°,画出旋转后的△A2B1C2.(3)将△ABC沿直线BC翻折,画出翻折后的△A3BC.(4)试问△ABC能否经过一次旋转后与△A2B1C2重合,若能,请在图中用字母O表示旋转中心并写出旋转角的大小;若不能,请说明理由.【答案】(1)见解析;(2)见解析;(3)见解析;(4)旋转角90度【解析】【分析】(1)利用网格特点和平移的性质画出点A,B,C的对应点分别是点A1,B1,C1即可;(2)利用网格特点和旋转的性质画出点A,C的对应点分别是点A2,C2即可;(3)利用网格特点和轴对称的性质点A的对应点A3即可;(4)作BB1、AA2的垂直平分线得到点O,则∠AOA2为旋转角.【详解】(1)如图,△A1B1C1为所作;(2)如图,△A2B1C2为所作;(3)如图,△A3BC为所作;(4)△ABC能经过一次旋转后与△A2B1C2重合.如图,点O为所作,旋转角为90°.【点睛】本题考查了作图−旋转变换:根据旋转的性质可知,对应角都相等都等于旋转角,对应线段也相等,由此可以通过作相等的角,在角的边上截取相等的线段的方法,找到对应点,顺次连接得出旋转后的图形.也考查了轴对称和平移变换.29. (1)如图1,已知A、B两个边长不相等的正方形纸片并排放置,若m=7,n=3,试求A、B两个正方形纸片的面积之和.(2)如图1,用m、n表示A、B两个正方形纸片的面积之和为.(请直接写出答案)(3)如图2,若A 、B 两个正方形纸片的面积之和为5,且图2中阴影部分的面积为2,试求m 、n 的值.(4)现将正方形纸片A 、B 并排放置后构造新的正方形得图3,将正方形纸片B 放在正方形纸片A 的内部得图4,若图3和图4中阴影部分的面积分别为12和1,则A 、B 两个正方形纸片的面积之和为 .【答案】(1)29;(2)221122m n ;(3)3,1;(4)13 【解析】【分析】 (1) 设正方形A 纸片边长为a ,正方形B 纸片边长为b ,根据图形的特点列出二元一次方程组求出边长,即可求解;(2)设甲、乙两个正方形纸片的边长分别为x ,y ,根据图形的特点列出二元一次方程组求出边长,即可解决问题;(3)解:设正方形A 纸片边长为a ,正方形B 纸片边长为b ,根据图形的特点列出方程组,从而求出大正方形的面积与小正方形的面积,得到其边长;(4)设正方形C 、D 的边长为c 、d ,由图4得:(c−d )2=1,由图3得:(c +d )2−c 2−d 2=12,然后两个方程组合可得c 2+d 2的值.【详解】(1)解:设正方形A 纸片边长为a ,正方形B 纸片边长为b .则73a b a b +=⎧⎨-=⎩解之得:52a b =⎧⎨=⎩所以,A B S S +=225229+=答:A 、B 两个正方形纸片得面积之和为29.(2)设甲、乙两个正方形纸片的边长分别为x ,y ;由题意x y m x y n ⎧⎨-⎩+==, 解得22m n x m n y +⎧=⎪⎪⎨-⎪=⎪⎩∴A B S S +=22m n +⎛⎫ ⎪⎝⎭+22m n -⎛⎫ ⎪⎝⎭=221122m n + (3)解:设正方形A 纸片边长为a ,正方形B 纸片边长为b . 则2252a b ab ⎧+=⎨=⎩22()m a b =+222a ab b =++5229=+⨯=又0m >,3m ∴=22()n a b =-222a ab b =-+5221=-⨯=又0n >,1n ∴=(4)设正方形A 、B 的边长为c 、d ,则:由图4得:(c−d )2=1,即:c 2−2cd +d 2=1,由图3得:(c+d)2−c2−d2=12,即2dc=12,∴c2+d2−12=1,∴c2+d2=13,即正方形A、B的面积和为13.【点睛】此题主要考查了二元一次方程组的应用,关键是正确理解题意,能从图中获取正确信息,找出题目中的等量关系,列出方程组.。
上海市杨浦区2017学年度第一学期期末初三质量调研语文试卷(含详细答案)
上海市杨浦区2017学年度第一学期期末初三质量调研语文试卷(满分150分考试时间100分钟) 2018年1 月[考生注意:本卷共有27题。
请将所有答案写在答卷上,写在试卷上不计分]一、文言文阅读(共40分)(一)默写(15分)1.当年万里觅封侯,。
(《诉衷情》)2.,此日中流自在行。
(《观书有感(其二)》)3.,铁马冰河入梦来。
(《十一月四日风雨大作》)4.一狼洞其中,。
(《狼》)5.盖一岁之犯死者二焉,。
(《捕蛇者说》)(二)阅读下面的词,完成6—7题(4分)天净沙·秋孤村落日残霞,轻烟老树寒鸦,一点飞鸿影下。
青山绿水,白草红叶黄花。
6.下列判断正确的一项是()(2分)A.本曲作者为元代杂剧家白朴B.本曲题目为“天净沙·秋”C.本曲被誉为“秋思之祖”D.本曲被视为“元人小令最佳”7.下列对这首词理解不.恰当..的一项是()(2分)A.本曲通过对十二种景物的描绘,含蓄地表达作者情感变化过程。
B.本曲描写景物既有动景又有静景,可谓是动静结合,相得益彰。
C. 本曲描写景物由远及近,通过视角的变化,多层次地铺排秋意。
D. 本曲一扫传统诗词悲秋格局,展现了秋日璀璨斑斓的丰富色调。
(三)阅读下文完成8—10题(9分)桃花源记(节选)林尽水源,便得一山。
山有小口,仿佛若有光。
便舍船,从口入。
初极狭,才通人。
复行数十步,豁然开朗。
土地平旷,屋舍俨然,有良田、美池、桑竹之属。
阡陌交通,鸡犬相闻。
其中往来种作,男女衣着,悉如外人。
黄发垂髫,并怡然自乐。
见渔人,乃大惊,问所从来,具答之。
便要还家,设酒杀鸡作食。
村中闻有此人,咸来问讯。
自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。
问今是何世,乃不知有汉,无论魏晋。
此人一一为具言所闻,皆叹惋。
余人各复延至其家,皆出酒食。
停数日,辞去。
此中人语云:“不足为外人道也。
”8.本文作者是时期著名诗人。
(2分)9.用现代汉语翻译下面的句子(3分)此中人语云:“不足为外人道也。
上海市杨浦区2017届九年级上学期期末(一模)质量调研数学试题及答案
三. 解答题(本大题共 7 题,共 10+10+10+10+12+12+14=78 分)
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二. 填空题(本大题共 12 题,每题 4 分,共 48 分)
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21.(1) BD 6 ;(2) 26 ;
杨浦区2017学年第一学期期末八年级数学试卷
杨浦区2017学年度第一学期初二年级数学学科期末教学质量监控测试题(满分100分,考试时间90分钟) 题号 一 二 三 四五总分 26 27 28 29 30 得分一、选择题(本大题共6题,每题3分,满分18分)1.下列二次根式中,最简二次根式是……………………………………………( ) A .x 9 B .xyx - C .b a 23 D .32-x 2.下列关于x 的一元二次方程中,一定有实数解的是………………………( )A .2220x x -+=B .210x mx --=C .22210x x -+= D .20x x m --=3.根据下列所给条件判断,△ABC 不是直角三角形的是………………( ) A .AB=3,BC=4,AC=5 B .AB=9,BC=40,AC=41 C .AB=7,BC=8,AC=25 D .AB=5,BC=12,AC=134. 已知点A (2,)a ,B (3,)b 都在正比例函数4y x =的图像上,那么a 和b 的大小是( ) A .a b > B .a b < C .a b = D .不能比较5. 下列命题正确的是…………………………………………………………( ) A .面积相等的两个三角形一定全等;B .以线段AB 为底边的等腰三角形顶点的轨迹是线段AB 的垂直平分线;C .同类二次根式的被开方数一定相同;D .等腰三角形顶角的平分线垂直平分底边.6.小李家距学校2千米,中午12点他从家出发到学校,途中路过文具店买了些学习用品,12点50分到校.下列图像中能大致表示他离家的距离S (千米)与离家的时间t (分钟)之间的函数关系的是………………………………………………( )二、填空题(本大题共12题,每题2分,满分24分) 7.化简:2(13)-=_________________. 8.函数1-=x y 的定义域为_________________.9.已知函数12)(+=x x f ,则=)1(f ____________.0 t (分钟) s (千米) A . 2 50 0t (分钟) s (千米) B . 2 50 0t (分钟) s (千米) C . 2 50 0t (分钟)s (千米) D .25010.关于x 的一元二次方程22(2)340m x x m -++-=有一个根是0,则m =____________. 11.方程2(25)9x -=的解为____________.12.在实数范围内因式分解:2298x x -+=____________.13.直角三角形的两边长为3和4,则斜边长为 . 14.在Rt △ABC 中,∠C=90°,若∠A=40°,那么∠B = °.15.命题“等腰三角形的两个底角相等”的逆命题是 . 16. 已知反比例函数1k y x-=的图像在每个象限内,y 的值随x 的值增大而减小,那么k 的取值范围是_______.17.某工厂七月份的产值是100万元,计划九月份的产值要达到144万元.如果每月产值的增长率相同,则这个增长率是 .18. 已知△ABC 是边长为2的等边三角形,△DBC 是以BC 为斜边的等腰直角三角形,那么点A 到点D 之间的距离为:____________________. 三、简答题(本大题共4题,每题8分,满分32分)19.计算:220.解方程:22430x x --=21.如图等腰△ABC 中,已知BC=AC ,∠BCA=120° (1)利用直尺、圆规在AB 边上找一点E ,使得EA=EC (不需要写作法,但要保留作图痕迹); (2)若AB=9厘米,求BC 的长.22.已知四边形ABCD 中,∠C=90°,AB=4,AC=2,AD=4AC ,BD=2BC , 求四边形ACBD 的面积.四、解答题(本大题共2题,每题8分,满分16分)23.[本题满分8分,其中第(1)小题4分,第(2)小题4分] 如图,已知正比例函数y ax =与反比例函数ky x=的图像交于第一象限的点B ,且点B 坐标为(2,1)(1)求正比例函数和反比例函数的解析式;(2)延长OB 至点D ,使得OB=BD ,过点D 作x 轴的垂线,与x 轴交于点A ,求点A 的坐标.yx24.[本题满分8分,其中第(1)小题4分,第(2)小题4分]如图,已知点D 是△ABC 的边AC 上的一点,过点D 作DE ⊥AB ,DF ⊥BC ,E 、F 为垂足,且DE=DF ,过点D 作 DG ∥AB ,交BC 于点G . (1)求证:DG=BG ; (2)求证:BD 垂直平分EF .F四、[满分10分,其中第(1)小题3分,第(2)小题5分,第(3)小题2分] 25.如图1,在Rt ABC ∆中,90C ∠=︒,2AC =,BC =点Q 是边AC 上动点(点Q 不与点A 、C 重合),过点Q 作//QR AB ,交BC 边于点R . (1)求CRQ ∠的大小;(2)若把QCR ∆沿着直线QR 翻折得到QPR ∆,设AQ x = ① 如图2,当点P 落在斜边AB 上时,求x 的值;② 如图3,当点P 落在Rt ABC ∆外部时,RP 与AB 相交于点E ,如果BE y =,写出y 与x 的函数关系式以及定义域.图1B2017学年第一学期期末考试八年级数学试卷参考答案一、选择题:(本大题共6题,每题3分,满分18分) 1. D 2.B 3.C 4.B 5.D 6.C二、填空题:(本大题共12题,每题2分,满分24分)71 8. 1x ≥ 9. 3 10. 2- 11. 121,4x x== 12.2(x x -13. 4或5 14.5015.有两个内角相等的三角形是等腰三角形 16.1k > 17.20%1 1三、简答题(本大题共4题,每小题8分,满分32分)19.解:原式=++2+(32)6分(每类运算正确各得2分)=1分……………1分20.解:配方法图2B2243x x -=,…………1分 232=2x x -……………1分232+1=+12x x -………1分 25-1=2x ()………1分x 或x 2分 解得 x x ………1分所以原方程的解为1x 2x 1分 公式法2,4,3a b c ==-=-…………2分 2440b ac ∆=-=…………2分42x ±=…………2分122x +=,222x -=…………1分所以原方程的解为12=2x 22=2x -………1分 21.(1)作出线段AC 的中垂线,标上相应的字母…………2分(2)∵AC=BC,∠ACB=120° ∴∠A=∠B=30°…………1分∵DE 垂直平分AB , ∴AE=CE …………1分 ∴∠A=∠ACE=30° ∠BCE=90°…………1分 在Rt △BCE 中∵∠BCE=90°,∠B=30°∴BE=2EC …………1分 ∴BE=6,EC=3…………1分在Rt △BCE 中,由勾股定理可得BC =1分22. 在Rt △ABC 中 ∵∠C=90°,∴222AC BC AB +=…………1分∵AB=4,AC=2 ∴BC=1分122ABC S ∆=⨯=1分∵AD=4AC ,∴AD=8 …………1分∵BD=2BC ∴BD=1分在△ABD 中,∵222AB BD AD += ∴∠ABD=90°……………1分142ABD S ∆=⨯=1分∴ACBD S =四边形1分四、解答题(本大题共2题,每题8分,满分16分)23.[本题满分8分,其中第(1)小题2分,第(2)小题2分,第(3)小题3分] (1)把(2,1)B 代入y ax =,解得12a =……………1分 所以正比例函数解析式为12y x =……………1分 把(2,1)B 代入ky x=,解得2k =…………1分 所以反比例函数解析式为2y x=………1分(2)在Rt △AOD 中∵∠OAD=90°,OB=BD ∴BA=OB=BD …………1分∴1分由两点间距离公式可得点A 为(4,0)…………2分24. [本题满分8分,其中第(1)小题4分,第(2)小题4分] (1)联结BD ……1分∵DE ⊥AB ,DF ⊥BC , DE =DF , ∴∠ABD=∠CBD ……1分∵DG ∥AB , ∴∠ABD=∠BDG ……1分 ∴∠CBD=∠BDG , ∴BG=DG ……1分 (2)在Rt △BDE 和Rt △BDF 中∵DE=DF BD=BD ∴Rt △BDE ≌Rt △BDF …………1分 ∴BE=BF …………1分∴点B 在EF 的垂直平分线上…………1分 同理点D 在EF 的垂直平分线上 ∴BD 垂直平分EF …………1分 (2)另解在Rt △BDE 和Rt △BDF 中∵DE=DF BD=BD ∴Rt △BDE ≌Rt △BDF ………1分 ∴BE=BF …………1分∵BE=BF ,∠ABD=∠CBD ∴BD 垂直平分EF …………2分25. [满分10分,其中第(1)小题3分,第(2)小题5分,第(3)小题2分]解:(1) 在Rt △ABC 中,∵222AC BC AB +=, 2,AC BC ==∴4AB =………………1分 ∵12AC AB =∴30B ∠=︒………………1分 ∵//QR AB ∴30CRQ B ∠=∠=︒………………1分(2) ① 如图2,当点P 落在斜边AB 上时;由翻折得QCR QPR ∆≅∆∴30QRC PRQ ∠=∠=︒………………1分 ∵90,30C P CRQ PRQ ∠=∠=︒∠=∠=︒ ∴60CQR PQR ∠=∠=︒………………1分 ∴60AQP ∠=︒………………1分 ∵60A ∠=︒∴60AQP A APQ ∠=∠=∠=︒AQP ∆是等边三角形………………1分 1AQ QC QP ∴===………………1分② 如图3,当点P 落在Rt ABC ∆外部时,3y x =………………1分定义域01x <<………………1分。
2017年 上海市杨浦区中考一模英语试题及答案及答案
杨浦区2017学年度第一学期期末质量调研初三英语练习卷 1Part1 Listening(第一部分听力)I. Listening Comprehension (听力理解): (共30分)A. Listen and choose the right picture (根据你听到的内容,选出相应的图片):(6分)B. Listen to the dialogue and choose the best answer to the question you hear (根据你听到的对话和问题,选出最恰当的答案): (共8分)7. A) He went camping. B) He visited campus. C) He stayed at home. D) He did housework.8. A) Rainy. B) Fine. C) Windy.D). Snowy.9. A) Every day. B) Once a week.C) Every two days. D) A couple oftimes a year.10.A) 10yuan. B) 20yuan. C)30yuan.D)40dyuan.11.A) In the supermarket. B) At the airport.C) In the church. D) At the postoffice.12.A) The weather. B) SoutheastAsia.C) Travel plan. D) Christmasgifts.13.A) By taxi. B) By plane. C) By train.D) By bus.14.A)Several towns were struck by the floods. B)Severalpeople were killed in the floods.C)Nobody got hurt or killed in the floods. D)Manypeople were homeless after the floods.C. Listen to the passage and tell whether the following statements are true or false(判断下列句子是否符合你听到的短文内容,符合的用“T”表示,不符合的用“F”表示): (共6分)15.Tom went interview and was told to take s test.16.The manager of the big company wanted to email the testresult to Tom.17.Tom didn't get the job as an office boy because he didn'thave an email.18.With $10 Tom bought 10 kilos of tomatoes and sold themon the streets.19.It took several years for Tom to become one of the biggestfood retailers (零售商) in the US.20. The story tells us that modem technology brings great convenience to businessmen.D. Listen to the passage and complete the following sentences (听短文,完成下列内容,每空格限填一词): (共10分)2I.Tim Berners-Lee studied at Oxford University , and while he was there he built his first computer.22.In 1980 he a computer program to organizehis notes.23.He designed a system called HTML that allows people toand put them on a web on the Internet. .24.In 1991, 11 years after his first idea for a program, theWorld Wide Web .25.Berners-Lee wanted his invention to befor everybody.Part2 Phonetics,Grammar and vocabulary(第二部分语音、语法和词汇)II. Choose the best answer (选择最恰当的答案): (共20分)26.I could see he was carrying a gun. Which of the followingis correct for the underlined wordin the sentence?A) /gu;n/ B) /gʌn/ C) /gɔn/D) /gən/27.Which of the following underlined parts is different in pronunciation from others?A) Wild animals should not be kept in zoos. B) Add alittle more liquid to the sauce.C) I had a burning desire to visit France. D) It’snot wise for hurt to travel alone.28.The sign says we can park our ear here. It's information signA) a B)an C)theD)/29.A fire had broken out and caused much to the roof.A) death B) accident C) damageD) problem30.The stampede(踩踏事件) which happened at the Bund areais disaster to hit Shanghaiin recent years.A) bad B) worse C) worstD) the worst31. The war lasts, the more the people there willsuffer.A)Long B)The long C)LongerD)The longer32.95% of the passengers say they are satisfied thepublic transport service.A)in B)for C)toD)with33.I called my father and told him about my progress. He sounded really .A) happy B) happily C) happinessD) unhappy34.Even a small portable computer store huge amountsof information.,A) can B) may C) mustD) should35.Would you mind me a small favor?A) do B) doing C) to doD) to doing36.There are no empty seats on this flight, but there are available on the next one.A) few B) a few C)little D) a little37. the government has promised to improve road safety,little has been achieved so far.A) If B) Although C) UnlessD) Because38.They in Italy for twelve years before they moved to England.A) live B) were living C) havelived D) had lived39. As soon as the sun down, the temperature dropssharply.A) goes B)went C) will goD) had gone40.The house was just what 1 wanted, it was the rightprice.A) or B) but C) andD) so41.I don't believe in letting children whatever theywant to do.A) do B) doing C) to doD) to doing42.The Red Cross is always the first help to victimswhen a disaster happens.A) provide B) providing C) to provideD) to providing43. exciting program Tint Running Man is!A) What B) What a C) What anD) How44.Here is the package yon ordered. It this morning.A) deliver B) is delivered C)deliveredD) was delivered45.——Are you going to buy a car this year?——The price for a car plate is so high. I'll wait and see,A) Why not? B) Not really.C) Well, I’ll certainly buy one. D) 1 couldn't agree with you more.Ⅲ. Complete the following passage with the words or phrases in the box. Each word or phrase can only be used once (将下列单词或词组填入空格。
2017学年杨浦区六年级第一学期数学期末卷
杨浦区2017年度第一学期六年级数学学科 期末教学质量监控测试题(满分100分,考试时间90分钟) 题号 一 二 三 四总分 26 27 28 得分一、 选择题:(每空3分×5=15分)1、下列各数中,不能与2、3、4组成比例的是( ) (A )6 (B )1 (C )38(D )1.5 2、下列说法中正确的是( ) (A )2能被4整除 (B )407不能化成有限小数 (C )a 的倒数是a 1 (D )将7米的绳子剪成9段,每段长是总长的97 3、6吨货物第一次运了它的31,第二次运走了21吨,两次共运走 ( )吨(A )65吨 (B )212吨 (C )5吨 (D )313吨4、下列说法正确的是( )①某商品打“三折”销售,就是降价30%②比54多50%的数是1.2 ③在比例1.75﹕a=b ﹕74中,a 与b 一定互为倒数④一只苹果重25%⑤今年产量比去年增产二成五,就是今天产量是去年的125%(A )1个 (B )2个 (C )3个 (D )4个 5、如图是一个扇形统计图,那么一下从图中可以得出的正确结论的个数是( )①A 占总体的25%②分别表示A 、B 、C 的扇形的圆心角的度数之比为5﹕1﹕7ABCD 5%35%③表示B 的扇形的圆心角是18゜ ④C 和D 所占总体的百分比相等(A )1个 (B )2个 (C )3个 (D )4个 二、填空题:(每空3分×12=36分) 6、742的倒数是 。
7、循环小数1.52323….可以简写成 8、把2273、320%、923、3.22用“<”号连接 。
9、求比值:1.25升:375毫升= 。
10、在一幅比例尺为1:60000000的地图上,甲乙两地的距离为10cm ,那么两地的实际距离为_____千米。
11、一套运动服原价380元,如果降价152元出售,这套运动服的售价打了 折。
12、小洁将1500元钱存入银行,月利率为1.1%,半年后到期需要支付20%的利息税,那么到期小洁可拿到税后利息 元。
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杨浦区2017学年度第一学期期末质量调研
初三数学试卷 2018.1
(测试时间:100分钟,满分:150分)
考生注意:
1.本试卷含三个大题,共25题.答题时,考生务必按答题要求在答题纸规定的位置上作答,在草稿纸、
本试卷上答题一律无效.
2.除第一、二大题外,其余各题如无特别说明,都必须在答题纸的相应位置上写出证明或计算的主要步
骤.
一、选择题:(本大题共6题,每题4分,满分24分) 1.如果56x y =,那么下列结论正确的是( )
(A ):6:5x y =; (B ):5:6x y =; (C )5,6x y ==; (D )6,5x y ==.
2.下列条件中,一定能判断两个等腰三角形相似的是( )
(A )都含有一个40°的内角; (B )都含有一个50°的内角; (C )都含有一个60°的内角; (D )都含有一个70°的内角.
3.如果ABC DEF △∽△,A 、B 分别对应D 、E ,且:1:2A B D E =,那么下列等式一定成立的是( ) (A ):1:2BC DE =;
(B )ABC △的面积∶DEF △的面积=1:2; (C )A ∠的度数∶D ∠的度数=1:2; (D )ABC △的周长∶DEF △的周长=1:2. 4.如果2a b =(,a b 均为非零向量),那么下列结论错误的是( ) (A )//a b ;
(B )20a b -=; (C )1
2
b a =
; (D )2a b =. 5.如果二次函数2
y ax bx c =++(0a ≠)的图像如图所示,那么下列不等式成立的是( )
(A )0a >; (B )0b <; (C )0ac <;
(D )0bc <.
6.如图,在ABC △中,点D 、E 、F 分别在边AB 、AC 、BC 上,且AED B ∠=∠,再将下列四个选项
中的一个作为条件,不一定能使得ADE BDF △∽△的是( ) (A )EA ED
BD BF
=
; (B )
EA ED
BF BD
=
; (C )
AD AE
BD BF
=
; (D )
BD BA
BF BC
=
.
(第
6题图)
二、填空题:(本大题共12题,每题4分,满分48分) 7.抛物线23y x =-的顶点坐标是 .
8.化简:11
2()3()22
a b a b -
-+= . 9.点()1,A m -和点()2,n -都在抛物线2(3)2y x =-+上,则m 与n 的大小关系为m n (填“<”或“>”).
10.请写出一个开口向下,且与y 轴的交点坐标为()0,4的抛物线的表达式 .
11.如图,DE FG BC ∥∥,::2:3:4AD DF FB =,如果4EG =,那么AC = .
12.如图,在□ABCD 中,AC 、BD 相交于点O ,点E 是OA 的中点,联结BE 并延长交AD 于点F ,如
果AEF △的面积是4,那么BCE △的面积是 .
13.Rt ABC △中,90C ∠=︒,如果9AC =,1
cos 3
A =,那么A
B = .
14.如果某人滑雪时沿着一斜坡下滑了130米的同时,在铅垂方向上下降了50米,那么该斜坡的坡度是
1∶ .
15.如图,Rt ABC △中,90C ∠=︒,M 是AB 中点,MH BC ⊥,垂足为点H ,CM 与AH 交于点O ,
如果12AB =,那么CO = . 16.已知抛物线22y ax ax c =++,那么点()34P -,关于该抛物线的对称轴对称的点的坐标是 . 17.在平面直角坐标系中,将点(),b a --称为点(),a b 的“关联点”(例如点()2,1--是点()1,2的“关联点”).如果一个点和它的“关联点”在同一象限内,那么这一点在第 象限.
18.如图,在ABC △中,AB AC =,将ABC △绕点A 旋转,当点B 与点C 重合时,点C 落在点D 处,如
果2
sin 3
B =,6B
C =,那么BC 的中点M 和C
D 的中点N 的距离是 .
三、解答题:(本大题共7题,满分78分) 19.(本题满分10分)
计算:cos 45tan 45sin 60cot 60cot 452sin 30︒⋅︒-︒⋅︒
︒+︒
C (第18题图)
(第11题图) (第12题图) (第15题图)
20.(本题满分10分,第(1)、(2)小题各5分)
已知:如图,Rt ABC △中,90ACB ∠=︒,3
sin 5
B =,
点D 、E 分别在边AB 、BC 上,且:2:3AD DB =,DE BC ⊥.
(1)求DCE ∠的正切值;
(2)如果设AB a =,CD b =,试用a 、b 表示AC .
21.(本题满分10分)
甲、乙两人分别站在相距6米的A 、B 两点练习打羽毛球,已知羽毛球飞行的路线为抛物线的一部分,甲在离地面1米的C 处发出一球,乙在离地面1.5米的D 处成功击球,球飞行过程中的最高点H 与甲的水平距离AE 为4米,现以A 为原点,直线AB 为x 轴,建立平面直角坐标系(如图所示).求羽毛球飞行的路线所在的抛物线的表达式及飞行的最高高度.
(第20题图)
(第21题图)
x
22.(本题满分10分)
如图是某路灯在铅垂面内的示意图,灯柱BC 的高为10米,灯柱BC 与灯杆AB 的夹角为120°.路灯采用锥形灯罩,在地面上的照射区域DE 的长为13.3米,从D 、E 两处测得路灯A 的仰角分别为α和45°,且tan 6α=. 求灯杆AB 的长度.
23.(本题满分12分,第(1)小题5分,第(2)小题7分)
已知:梯形ABCD 中,AD BC ∥,AD AB =,对角线AC 、BD 交于点E ,点F 在边BC 上,且BEF BAC ∠=∠.
(1)求证:AED CFE △∽△;
(2)当EF DC ∥时,求证:AE DE =.
(第22题图)
(第23题图)
24.(本题满分12分,第(1)小题3分,第(2)小题5分,第(3)小题4分)
在平面直角坐标系xOy 中,抛物线2221y x mx m m =-+--+交y 轴于点为A ,顶点为D ,对称轴与x x 轴交于点H .
(1)求顶点D 的坐标(用含m 的代数式表示);
(2)当抛物线过点()1,2-,且不经过第一象限时,平移此抛物线到抛物线22y x x =-+的位置,求平移的方向和距离;
(3)当抛物线顶点D 在第二象限时,如果ADH AHO ∠=∠,求m 的值.
(第24题图)
25.(本题满分14分,第(1)、(2)小题各6分,第(3)小题2分)
已知:矩形ABCD 中,4AB =,3BC =,点M 、N 分别在边AB 、CD 上,直线MN 交矩形对角线AC 于点E ,将AME △沿直线MN 翻折,点A 落在点P 处,且点P 在射线CB 上. (1)如图1,当EP BC ⊥时,求CN 的长; (2)如图2,当EP AC ⊥时,求AM 的长;
(3)请写出线段CP 的长的取值范围,及当CP 的长最大时MN 的长.
(备用图) (图1) A B D N
P M
E
(图2) A B C D N P M E (第25题图)
A B C D。