2017-2018杭州下城区七年级下【有答案】

浙江省杭州市2017-2018学年七年级下学期教学质量检测（一）科学试题2017 学年第二学期七年级科学教学质量检测（一）一、选择题（每小题 3 分，共 66 分，每小题只有一个选项符合题意）1． 关于生殖细胞的说法，不正确的是(▲)A ．精子有尾，能运动B ．卵细胞是人体最大的细胞，没有尾巴但能主动运动C ．受精卵的形成是新生命的开始D ．受精的实质是精子和卵细胞的遗传物质融合2． 英国科学家罗伯特·爱德华被誉为“试管婴儿”之父，下列有关说法中错误的是(▲) A ．试管婴儿技术适应于输卵管梗阻的患者B ．试管受精是一种体外受精C ．试管婴儿属于无性生殖D ．试管婴儿也是在妈妈子宫内生长，染色体数目和正常孩子一样3． 观察人体生长曲线图（①②③分别表示人体神经系统、身体总发育、生殖系统），能够得出的结论是(▲)A ．神经系统的发育，青春期快于婴幼儿期B ．青春期，生殖器官开始迅速发育C ．青春期的发育女生早于男生D ．神经系统、生殖系统的发育和身体总发育一致4． 中华鲟是地球上最古老的脊椎动物，近年来由于自然繁殖能力降低，鲟鱼濒临灭绝。

目 前，长江水产研究所已经掌握了鲟鱼的人工取卵和孵化技术，每年培育出达到设计规格 的幼鲟 1 万尾左右，下列有关鲟鱼的说法不正确的是(▲)A ．鲟鱼属于鱼类，体外受精B ．鲟鱼作为古生物，在研究生物进化、地质、地貌等地球变迁有重要意义C ．鲟鱼可以进行人工孵化主要是因为其胚胎发育的过程在体外进行D ．鲟鱼的人工取卵和孵化技术说明我国克隆技术的日渐成熟5． 法国著名昆虫学家法布尔用精练的一句话，概括了蝉的一生：蝉沐风浴露，饮天地之灵 气，吸万木之精华，蛰伏四年，换来的只是短短一个月生命的“春天”，关于蝉的一生， 下列说法不正确的是(▲)A ．蝉的幼虫经过“脱壳”后，羽化为我们常见的长有双翼的成虫B ．蝉的发育过程经历卵、幼虫、蛹、成虫四个阶段，属于完全变态C ．蝉一生蜕皮 4～5 次，其实“皮”是蝉的外骨骼D ．蝉的受精方式是体内受精试卷说明本试卷由答题通平台提供；除纸质试卷，还配套数字教育资源及基于互联网技术的在线教育应用。

2017-2018学年(新课标)最新浙江省杭州市七年级下学期期末英语试题(有答案)-精品试题A。

Because it’s too far.B。

Because it’s raining.C。

Because she doesn’t have a XXX.听下面一段话，回答第9至11三个小题。

现在，你有15秒的时间阅读这三个小题。

9.How many people are there in the woman’s family?A。

XXX10.What does the woman’s father do?A。

XXX.B。

XXX.C。

He is a businessman.11.Where are they going this weekend?A。

To the mountains.XXX.C。

To the park.三．听短文，回答问题。

（共4小题，计8分）听下面一段短文，回答第12至15四个小题。

现在，你有20秒的时间阅读这四个小题。

12.When did the writer start to learn English?A。

When she was six years old.B。

When she was seven years old.C。

When she was eight years old.13.How long does the writer practice English every day?A。

Two hours.B。

Three hours.C。

Four hours.14.What does the XXX do?A。

She is an English XXX.B。

XXX.C。

She is a housewife.15.What does the writer want to be when she grows up?XXX.XXX.XXX.笔试部分（95分）四．单项选择。

（共15小题，计15分）从每小题所给的A、B、C、D四个选项中选出可以填入空白处的最佳选项，并标在试题的相应位置。

下城区2017学年第二学期期末教学质量监测七年级英语第一部分听力（共两节，满分25分）第二部分英语知识运用第一节：单词拼写（共10小题，每小题1分，满分10分）16.I went to Europe 5 years ago, I wish I could go to Europe_________.A. soonB. alsoC. earlyD. again17.The air is so clean and we ________ see many green trees and beautiful flowers in the mountain.A. mayB. mustC. canD. have to18.All of the birthday foods may be________, but the ideas are the same.A. deliciousB. specialC. differentD. popular19.Look! Here ______ my three baseballs.A. isB. areC. amD. have20.He doesn’t want to be late ________ school again, so he eats quickly and runs to school.A. forB. onC. asD. in21.Look, the girls ______ their bikes around the lake the boys are running.A. are ridingB. ridesC. rideD. rode22.The basketball player is 2.10 meters in ________.A. tallB. heightC. highD. heavy23.On Friday evening, I often ________ watch TV _________ play games with my brother.A. other; orB. either; orC. as; asD. one; other24.It is good for our health to go to bed early and not to _______late.A. get upB. take upC. go outD. get to25.--How old is his grandfather now?-- Oh, let me see. He lives a long life, and he is _______ ninety years old his year.A. stillB. alsoC. overD. by第二节完形填空（共10小题，每小题1分，满分10分）My family spent a few weeks in London last year. We went there in autumn. We think it is the best ___26___ to visit England. The weather is ___27___ quite good and there are not too many ___28___ in October.We stayed ___29____ a small hotel in the West End. We went shopping ___30____ spent too much money buying a lot of things. What we liked most was going to the cinemas. We didn’t have the chance to see such ___31___ films at home. A lot of people say English ___32___ is too bad. We didn’t think so. It is true that most of the restaurants are French, Italian, or Chinese, but Britain had some very ___33___ meals.In fact, we ___34___ our holiday so much that we have already decided to go there again this year. But we are going to take our umbrellas. I’ m sure we’ll need ___35___ sometimes.26.A. symbol B. week C. season D. way27.A. usually B. never C.also D.sometimes28.A. players B. visitors C. places D. things29.A. of B. as C. on D. at30.A. yet B. or C. but D. and31.A. wonderful B. difficult C. terrible D. well32.A. languages B. film C. clothes D. food33.A. delicious B. poor C. fresh D. expensive34.A. spent B. enjoyed C. paid D. finished35.A. her B. him C. them D. it第三部分阅读理解（共20小题，计40分）第一节A36.Can you tell us where Sherry was lost?A. In Highland Park.B. Next to a dumpster.C. In Central Park.D. On High Street.37.What will help you notice(留心) the Corgi?A. Golden hairB. Black and white hairC. Gray spotsD. Leather collar38.How much can you get if you find Emma?A. ＄500B. ＄1,000C. ＄100D. No reward39.Which number will you call if you find a dog with a tartan coat?A. 012-6554 7862B. 3122-543-9910C. 010-379-5122D. 020-231-212BThere are a lot of interesting things in the world. If someone tells you that they can fish in the desert(沙漠), you must think they are joking(开玩笑). but this is true. In some places of Africa, people can fish in the desert. It must be very interesting to get some fish from the sand(沙漠). and in the woods of Asia there is a kind of bird. To our surprise, this kind of bird doesn’t eat anything but iron(铁). I think the bird’s teeth must be harder than the iron. We all know that snakes can eat mice(老鼠), but in a place of Africa a kind of big mouse can eat snakes. Isn’t it interesting? Have you ever heard of “brush trees”? they are different from the trees we know. People can use their branches to brush teeth, and they are good for people’s teeth.You must be very surprised to hear there interesting things. But they are all true. In fact, there are a lot of interesting things in our world. If you are careful enough, you can find them easily around you.40.How many interesting things are there in the passage?A. 2.B. 3.C. 4.D. 5.41.Where can people fish according to the passage?A. In the riverB. In the desertC. In the woodsD. On the mountain42.What does the bird eat in the passage?A. InsectsB. IronC. MeatD. BreadCIt was a very hot day in the middle of summer, and there were no trees along the street. Mr. Read closed his shop at half past four. His bike didn’t work. So he went out into the street and began walking to the bus stop. He was very fat. The sun was high up in the sky, and soon Mr. Read felt very hot.A boy came out of another shop in the street and followed Mr. Read. He stayed very near him all the time, and he kicked Mr. Read’s shoes some times. Mr. Read looked at him angrily each time.After the fourth time, Mr. Read stopped, turned around and said to the small boy, “What are you doing? Stop following me like that! You’re going to hurt my feet.”“I’m sorry, but don’t stop me, please!” the boy said. “It’s very hot today and there aren’t any trees in the street!”43.When did the story happen?A. On a summer morningB. On a hot noonC. On a hot afternoonD. On a cool day.44.How did Mr. Read get to the bus stop?A. By busB. By carC. By bikeD. On foot45.What did Mr. Read do after the boy kicked his his shoes some times?A. He asked the boy not hurt his feet.B. He let the boy walk in front of himC. he told the boy to stop walking behind him.D. He liked the boy to go with him.46.Why did the boy follow Mr. Read?A. Because he could find the way home.B. Because the sun wouldn’t be on time.C. Because he wanted to follow Mr. Read home.D. Because the boy lost his way.DMany people like to travel by plane, but I don’t like it because an airport is usually far from the city. You have to get there early and wait for hours the plane to take off and it is often late. You can’t open the window. You can’t choose the food. Planes are the fast, but it still takes hours to get out of the airport and into the city.I like traveling by train. I think trains are safe. Railway stations are usually in cities. When you are late for a train, you can catch another one. You can walk around in the train and open the windows. You can see many interesting things on your way. I know it takes a little more time.I also like cars. You can start your journey when you want to, and you don’t need to get to a railway station or a bus stop. Also you can take many things with you in a car. But sometimes there too many cars on the road.47.Why do many people like to travel by plane?A. Because it is fast.B. Because it is safe.C. Because they can walk around in the plane.D. Because it is cheap.48.Which is Not the good thing about the train?A. It is safe.B. It takes a little more time.C. You can open the windows.D. You can walk around the train.49.What is the bad thing about the car?A. you take many things with you.B. You can start your journey when you want to.C. There are too many cars on the road.D. You needn’t go to bus station.50.What does the writer think of plane, the train and the car?A. He thinks it takes a lot of times to go to and get out of the airport.B. He likes to take a train because it takes a little more time.C. He likes to take a car because he has a car.D. He likes to take a plane because it’s fast.第二节Every year, thousands of people get hurt or die when they are crossing the road. _____51_____. Old people often get hurt or die because they can’t see or hear very well. Children usually meet with accidents (事故)because of their carelessness. _____52_____.How can we lessen(减少) traffic accidents? Everybody should follow the traffic rules. For the drivers, they shouldn’t drive too fast. If they drive too fast, it will be very difficult to stop the cars in a very short time. ______53______. So, when we walk across the road, we must try to walk along the pavements(人行道). ______54______. Look left first, next look right, then look left again. Only when we are sure that the road is clear, we can cross it. The right way to cross the road is to walk quickly. _______55______. If people run across the road, they may fall down. Teens should try to help children, old people or blind people to cross the road, and never play in the street.___58___(smart). He’s good at math and often ____59____(help) me with my homework. He likes wearing black pants ___60___ yellow T-shirts.Cindy is eleven years old. She is thin and tall. She has curly blonde hair and her ___61___(eye) are brown. She is good-looking, too, ___62___ a little bit shy. She is good at ___63___(play) the guitar. Her favorite subject at school is music. She often teaches me to play ___64___ guitar after class.Three of ___65___(we)have great fun together, and help each other and sometimes we play computer games at my house.第二节单词拼写66.You may never be a________ LuXun, but you can learn to write well.67.We are going to have a four-day trip this summer v________.68.“Don’t l_______ the dirty dishes in the kitchen!” said Lily’s mother.69.They never cut up the n________ because they are a symbol of long life.70.Tom lives in a n________ place. There is an outdoor market in front of his house.71.I’m very busy from Monday to Friday, but I have some f_______ time on weekends.72.I looked out of the window and s_______ some boys playing soccer on the playground.73.Twenty boys and thirty girls will come to my party, so I wrote f_______ invitations(邀请函)74.The old man felt bad on the way home, l_____ for him there was a doctor on the spot(现场).75.-- Could you tell me where the People’s Park is? -- Oh, it is across from the bank, b_______ the Da Ming Hotel.第三节书面表达（共1小题，满分15分）假如你是Jackie Chan, 你的美国笔友Lidia将于暑期来杭州，为了让她事先对杭州有所了解，请你根据下列表格所提供的信息，拟发一封电子邮件给Linda, 主要是告诉她这段时间的天气、食物及你安排的活动。

2017-2018学年浙江省杭州市某校七年级（下）期末英语试卷四、单项选择1. ﹣﹣You see， it's my dream to buy _____ Iphone 8．﹣﹣ Oh， you can ask your parents to buy ______ for you．（）A a； itB an； itC a； oneD an； one2. ﹣﹣Shall we go shopping now？﹣﹣Sorry， it's not the right_______． I'm too busy．（）A wayB weatherC placeD time3. ﹣﹣We Chinese like drinking wine made _______ rice．﹣﹣ Really？ It's quite different from us．（）A ofB fromC inD for4. ﹣﹣Please _______ the lights when you leave the classroom．﹣﹣ OK， I ________．（）A turn on； willB turn off； willC turn on； doD turn off； am5. ﹣﹣ Sorry， the price of the trousers is too _______．﹣﹣ OK Would you like to have a look at a cheaper ________？（） A expensive；one B expensive； pair C high； one D high； pair．6. ﹣﹣﹣I don't know _______ for the party．﹣﹣﹣You look so good now．I think the pink T﹣shirt _______ the grey jeans very well．（）A what to wear；matchesB how to wear it；matchesC what to wear；match D when to go；match7. ﹣﹣ I am going to Shanghai on holiday this weekend．﹣﹣ Good luck______ you．（）A onB toC withD in8. This article is ________ difficult for us because there are _______ new words in it．（）A too much； too manyB much too； too muchC too much； much tooD much too； too many9. ﹣﹣Look! Here _______ the bus． Let's _______，﹣﹣Oh， no． It's No． 2Bus． We should take No． 11．（）A comes； get on itB comes； get it onC is coming； get on itD come； get iton10. ﹣﹣ Angela， we are _______． Would you like some？﹣﹣ ________． I have to leave now．（）A doing homework； Yes， go aheadB playing cards； Yes， pleaseC making some dumpling； No thanksD flying kites； I'm afraid not．五、完形填空11. "A friend walks in when the rest of the world walks out．" Sometimes in life, you find a special friend:Someone who changes your（1）_______just by being part of it;Someone who makes you laugh until you can't （2）_______;Someone who makes you believe that there really is（3）_______in the world;Someone who convinces（使相信） you that there really in an （4）_______door just waiting for you to open it．This is Forever（永远的） Friendship．When you're （5）_______, and the world seems dark and empty, you forever friend （6）_______you up in spirits and makes that dark and empty world suddenly seem bright and （7）_______．You forever friend gets you（8）_______the hard times and the sad times． If you turn and walk away, your forever friend（9）_______． If you lose your way, your forever friend guide （引导） you, encourages（鼓励）you, holds your （10）_______and tells you that everything is going to be OK．And if you（11）_______such a friend, you feel happy, because you （12）_______not worry． You have a forever friend for life, and forever has no （13）_______．A true friend is someone who gives you a hand and touches your heart．Remember: （14）_______happens, happens for a reason．How many people have eight true friends in fact? Hardly （15）_______I Know． But some of us have all right friends and good friends．（1）A foodB timeC lifeD work（2）A thinkB stopC standD say（3）A goodB healthC humanD scenery（4）A unpackedB unlockedC unfixedD unborn（5）A highB aboveC acrossD down（6）A cheersB shutsC catchesD stands（7）A naturalB fullC funnyD upset（8）A aroundB belowC throughD beside（9）A leavesB travelsC movesD follows（10）A headB handC heartD back（11）A haveB treatC seeD need（12）A needB mustC mayD have（13）A jobB endC topD goal（14）A nothingB anythingC everythingD something（15）A someoneB everyoneC noneD anyone六、阅读理解（1）How much are the musical tickets for two children？________A 16 pounds．B，35 pounds． C 30 pounds． D 40 pounds．．（2）When will the Teenage DrawingCompetition be held？________A On June 7th．B On August 6th．C On September 20th．D On April 25th．．（3）Where can you watch Adele's performance this Sunday afternoon？________A At St．James's Park．B At Westfield Theater．C At Westfield Shopping Center．D At Cambridge Theater．13. Hans Christian Andersen was born in Denmark in 1805． He lived with his parents in a town called Odense． They were a very poor family and they couldn't afford to send HansChristian to school．As a little boy, Hans Christian enjoyed making up fairy tales（童话） and puppet（木偶）shows． When he was only eleven years old, his father died and he had to go out to work to make money to help his mother．Three years later, Hans Christian left home and went to the city of Copenhagen to be famous and rich． To begin with he didn't do very well there, but at last he was able to go back to school and then on to university to continue his education．He wrote fairy tales and stories and soon became famous． At first he wrote the stories that he had heard when he was a child and then began to make up new tales． During his seventy﹣one year life． Hans Christian wrote over three hundred stories．Many of his stories are still enjoyed by children today． Among his best﹣known stories are: the Emperor's New Clothes, the Ugly Duckling, the Snow Queen, the Princess and the Pea, and the little Mermaid．（1）Which sentence is true about Hans Christian when he was a boy？________A His mother died when he was 11years old．B He had to work to make money to help the family．C He went to school to learn how to make up fairy tales．D He enjoyed reading fairy tales and watching talk shows．．（2）The stories Hans Christian wrote in his early years are from________．A what he learned from the universityB the story books he read in schoolC what he heard when he was youngD his own stories in the childhood．（3）What is the correct order in which these events happened？________a． Hans went to the city of Copenhagen． b． Hans began to make up new storiesc． Hans studied in the university d． Hans lived with his parents in Odense．A d﹣a﹣c﹣bB a﹣b﹣c﹣dC b﹣a﹣d﹣cD d﹣b﹣a﹣c．14. In Huston Middle School in Pennsylvanian, US, its music class is very different from yours． The class is in a traditional classroom． But it is a multimedia（多媒体） music class with many high﹣tech． In the multimedia class, students first learn how to use these tools． Later, they learn to record and compose（作曲）music, make videos, edit photos and use online media． All students must use their skills to make a recording and post it online as their final project．Music teacher Brain Querry started the multimedia music class this past school year． "I know something about technology（科技）, and I also know music, " Querry said, "I asked myself: Why not put them together? I thought it would make the class more interesting, and students would learn more from it．"It turns out that Querry was right． The class was well﹣received． Students in the class all like it very much． Catelynn Seinera, 14, said that she enjoys using all the different kinds of high﹣tech tools． "It's great to have such a class in our school, " Seinera said, "Knowing how to make videos is also very useful to me in other classes．"（1）The music class in the school is special because________．A it is in a traditional classroomB there is no music teacherC students can use many high﹣tech devicesD a computer teacher gives the students lessons．（2）Students can learn all of the following skills in the music class except（除了）________．A how to take photos B how to use online media C how to composemusic D how to record music．（3）Why did Brain Querry start the music class in this way？________A To make many music videos．B To help students do well in computerclasses． C To teach students more about high﹣tech things． D To make the class more interesting and helpful．．（4）What does the story mainly talk about？________A Music is very important and useful to students．B Schools should teach students about difficult technology．C The multimedia music class is popular among students．D Brian Querry is a popular teacher．15. A．Have enough sleepB．Keep yourself busyC．Go out and make friendsD．Break the bad habitE．Eat healthy food．F．Remember to exercise．Nothing is more important than health and happiness． But how can we live a healthy and happy life？ Here are some ways for you．（1）_______Eat a lot of fruit and vegetables． They supply rich and the necessary vitaminsfor us． We also should eat less meat and junk food everyday．（2）_______Swimming， running， skating， dancing， walking and some other activities can help you keep healthy． You should exercise at least three times a week and for twenty minutes or more each time．（3）_______It is best to get about eight hours of sleep a day． It is had for our health if we don't have enough sleep． You can get sick from not getting enough sleep．（4）_______It stops you from having bad habits． To keep yourself busy， you can walk around the house， spend with your pet， watering flowers， cleaning the windows and so on． Do anything you enjoy．（5）_______Spend time and have fun with them． Talk with them， but don't talk about anything bad． You should stay with the people who are healthy and happy．七、单词拼写16. After one day's hard work， why not take a s________ and clean yourself？17. September 1st is usually the b________of a new term．18. Go straight a________ the street， the bank is on your right．19. Our school trip is pretty good． Nobody felt b________ on the way．20. The five h________ train ride from Hangzhou to Beijing is really terrible．21. Thank for s________ me the way to the subway station， or I'll be lost．22. If everyone f________ the traffic rules， it will be safer on the road．23. Could you please cut the apple into h________， so that each of the two girls can got one part．24. She s________ unhappy because she didn't pass the exam．25. We can make our dream come true t________ hard work．八、语法填空26. We are in Australia for our summer holidays． We're having a great timehere． Australia is the （1）________（six） largest country in the world． There is a lot to see，（2）________it is impossible for me to tell you everything． Sydney is a beautiful city． There are many big trees and beautiful flowers around the houses and they look really beautiful． There are（3）________many special animals in Australia，（4）________kangaroos． They are really lovely．During the past three days， Marie， Mary and I have visited many places of interest around Sydney． I'd like to spend more time（5）________（visit） here． But we don't have enough time， we have to fly to （6）________（other） city， Cairns， to see coral reefs（珊瑚礁）tomorrow． It is said that words cannot describe the （7）________（beautiful） of the colorful coral． Many famous cartoon films were （8）________（make） there． Now we are busy （9）________（put） things into our bags so that we will not lose time when we leave． We can enjoy （10）________（us） in Cairns this time tomorrow． I'm looking forward to going there!九、句型转换27. Lily can speak Chinese to us， too （改为否定句）Lily________ speak Chinese to us，________．28. Bob did some exercise this morning．（改为一般疑问句）________ Bob________ any exercise this morning．29. How's the weather in Hangzhou today？（改为同义句）________ the weather________ in Hangzhou today？30. You can't be late for school．（改为祈使句）________ late for school．31. What do you think of Chinese food？（同义句转换）________ do you________ Chinese food？十、书面表达32. 为了学习英语，我在网上结识了以为来自澳大利亚（Australia）名叫Gina的笔友（pen pal）．下面是她的一些情况，请据此写一篇短文向大家介绍一下．要求：词数80左右．I have a pen pal， Gina． She's________2017-2018学年浙江省杭州市某校七年级（下）期末英语试卷答案1. D2. D3. B4. B5. D6. A7. B8. D9. A10. C11. CBDBDABCDBAABCD12. CBA13. BCA14. CADC15. E,F,A,B,C16. hower17. eginning18. long19. ored20. ours'21. howing22. ollows23. alves24. eemed25. hrough26. sixth,so,also,like,visiting,another,beauty,made,putting,ourselves27. can't,either28. Did,do29. What's,like30. Don'tbe31. How,like32. ．。

2018学年第二学期期中质量检测七年级科学试题卷请同学们注意：1、本试卷分试题卷和答题卷两部分，满分为180分，考试时间为120分钟2、所有答案都必须写在答题卷标定的位置上，务必注意试题序号和答题序号相对应；3、考试结束后，只需上交答题卷；祝同学们取得成功！卷Ⅰ（100分）一、选择题：（每题只有一个正确答案，每题2分共50分）1、胚胎发育初期所需要的养料来源于（）A、母体B、胎盘C、精子内的物质D、卵细胞内的卵黄2、下列哪类动物的发育类型和其它种类明显不同（）A、狗B、牛C、青蛙D、熊猫3、由桃核萌发直接长成的桃树，所结出的桃子叫毛桃，毛桃个小味差。

桃树种植户将一段水蜜桃的枝条作为接穗，嫁接到毛桃的砧木上，结果是（）A、接穗上只结水蜜桃；B、接穗上既结水蜜桃又结毛桃；C、接穗上只结毛桃；D、砧木上只结水蜜桃4、下列说法或做法中，正确．．的是（）A、在青春期女孩乳房已开始发育，所以应该穿紧身衣服束胸以免被同学发现；B、部分男孩在青春期开始长胡须，看起来很不好看，所以应该趁早拔掉；C、发现同学特别是异性同学长腋毛而取笑他（她）；D、每个人进入青春期的时间和所表现出的情况是有差异的5、剖开一个果实，发现里面有很多种子，由此可推断发育成此果实的花里有（）A、很多子房；B、很多雌蕊；C、很多胚珠；D、很多胚6、音调细而高，骨盆宽大的第二性征是在下列哪项激素的作用下产生的（）A、雌性激素B、雄性激素 C 、甲状腺激素 D 、生长激素7、我们吃的大米、面粉、大豆和花生的营养物质依次是植物种子的( )A、胚乳、子叶、子叶、胚乳B、胚乳、胚乳、子叶、子叶C、胚乳、子叶、子叶、子叶D、子叶、胚乳、胚乳、胚乳8、①马铃薯块茎繁殖②草莓匍匐茎的繁殖③落地生根的种子繁殖④洋葱鳞茎的繁殖⑤枇杷种子的繁殖。

以上生殖现象属于无性生殖的是( )A、①②④B、①④⑤C、①③④D、①②③④9、下列结构中，属于完整的种子的胚的结构的一组是( )①胚乳②胚芽③胚轴④胚根⑤子叶⑥胚珠A、②③④B、②③④⑤C、①②③④D、①③⑤⑥10、在水稻开花季节，最容易造成减产的天气是 ( )A、气温较低，雨水少B、阴雨连绵，气温低C、春季多风，气温高 D．晴空万里，微风吹11、1978年诞生了世界上第一例“试管婴儿”，医学界给予这项技术以极高的评价，称之为是“继器官移植之后的第二大医学奇迹”。

2017~2018学年度第二学期期末学业水平调研测试七年级数学及答案说明：1、本试卷共4页，共25小题，考试时间为100分钟，满分120分．2、考生务必用黑色字迹的签字笔或钢笔在答题卡上填写自己的考生号，并用2B 铅笔把对应号码的标号涂黑，在指定位置填写学校，姓名，试室号和座位号．3、选择题每小题选出答案后，用2B 铅笔把答题卡对应题目选项的答案信息点涂黑，如需改动，用橡皮擦干净后，再选涂其他答案．4、非选择题必须在指定区域内，用黑色字迹的签字笔或钢笔作答，如需改动，先划掉原来答案，然后再写上新答案；不准使用铅笔或涂改液，不按以上要求作答的答案无效．5、考生务必保持答题卡的整洁，不折叠答题卡，考试结束后，只交回答题卡．一、选择题（本大题共10小题，每小题3分，共30分）在每小题列出的四个选项中，只有一个是正确的，请把答题卡上对应题目所选选项涂黑．1、如图，直线a ，b 与直线l 相交，则下列说法错误的是（ ） A 、1∠与2∠互为对顶角 B 、1∠与3∠互为邻补角 C 、1∠与4∠是一对同旁内角 D 、2∠与4∠是一对内错角2、计算 4的值，结果是（ ）A 、2B 、－2C 、±2D 、2±3、在平面直角坐标系中，第二象限的点P 到x 轴的距离为3，到y 轴的距离为4，则点P 的坐标是（ ）A 、（3，4）B 、（－3，4）C 、（4，3）D 、（－4，3） 4、如图，点O 是直线AB 外的点，点C ，D 在AB 上，且AB OC ⊥，若5=OA ，4=OB ，2=OC ，3=OD ，则点O 到直线AB 的距离是（ ）A 、5B 、4C 、2D 、35、已知关于x ，y 的二元一次方程53=+y kx 有一组解为⎩⎨⎧==12y x ，则k 的值为（ ）A 、1B 、2C 、3D 、4lba 3 12 4第1题图OA第4题图BEAD第10题图OBEA CD 第14题图6、已知1-<a ，则下列不等式中，错误的是（ ） A 、33-<a B 、33<-a C 、12<+a D 、32>-a7、经调查，某班同学上学所用的交通工具中，自行车占60%，公交车占30%，其它占10%，用扇形图描述以上统计数据，则公交车对应的扇形的圆心角的度数是（ ）A 、︒216B 、︒120C 、︒108D 、︒60 8、下列说法正确的是（ ）A 、无限小数都是无理数B 、无理数都是无限小数C 、带根号的数都是无理数D 、无理数能写成分数形式 9、下列说法错误的是（ ）A 、在同一平面内，过一点有且只有一条直线与已知直线垂直B 、连接直线外一点与直线上各点的所有线段中，垂线段最短C 、在同一平面内，不重合的两条直线互相平行D 、经过直线外一点，有且只有一条直线与这条直线平行10、如图，在三角形ABC 中，点D 是AB 上的点，由条件AC DE ⊥于点E ，DE ∥BC 得出的下列结论中，不正确的是（ ）A 、CDE BCD ∠=∠B 、︒=∠90ACBC 、B ADE ∠=∠D 、DCE BDC ∠=∠二、填空题（本大题6小题，每小题4分，共24分）请将下列各题的正确答案填写在答题卡相应的位置上．11、7-的相反数是 ． 12、计算：=-+3)32( ． 13、不等式1152<+x 的解集是 ．14、如图，直线AB 与CD 相交于点O ，OA 平分COE ∠，若︒=∠30AOE ，则DOE ∠的度数是 ．15、在直角坐标系中，线段CD 是由线段AB 平移得到，点A （－3，－2）的对应点为C （2，1），则点B （－1，2）的对应点D 的坐标是 ．第18题图1PBAB A CD第18题图216、如图，8块相同的长方形地砖拼成一个长方形，则每块长方形地砖的面积是 2cm ．答案：一、选择题 C A D C A B C B C D二、填空题 11、7 12、2 13、3<x 14、︒120 15、（4，5） 16、675 三、解答题（一）（本大题3小题，每小题6分，共18分） 17、计算：53325161643-+-+．34533534+=-++=（评分说明：计算364占1分，计算25161-，533-各占2分，答案正确占1分）18、画图题：（1）如图1，已知点P 是直线AB 外一点，用三角尺画图：过点P 作AB PM ⊥，垂足为M ； （2）如图2，已知直线AB 与CD ，请画出直线EF ，使EF 与直线AB 、CD 都相交，在所构成的八个角中，用数字表示其中的一对同位角．解：（1）评分说明：准确画出图形给3分，其中会过点P 作直线、用直角画出垂直线、标注垂足各占1分；（2）共3分．其中画出EF ，用数字表示同位角，写出结果各占1分．19、已知四个点的坐标，A （－3，－2），B （2，－2），C （3，1），D （－2，1）． （1）在直角坐标系中描出A ，B ，C ，D 四个点；（2）连结AB 、CD ，写出线段AB ，CD 的位置关系和数量关系．解：（1）略 4分（准确描出一个点1分）（2）AB ∥CD，CD AB =； 6分（每个结论占1分）第16题图四、解答题（二）（本大题3小题，每小题7分，共21分） 20、解方程组：⎩⎨⎧=-=+112312y x y x ．解：①＋②得，124=x ， 2分3=x ， 3分把3=x 代入①得，123=+y ，1-=y ， 6分∴这个方程组的解是⎩⎨⎧-==13y x ． 7分或由①得，y x 21-=③， 1分 代入②得，112)21(3=--y y ， 3分 解得1-=y ， 4分 把1-=y 代入③得，3)1(21=-⨯-=x ， 6分∴这个方程组的解是⎩⎨⎧-==13y x ． 7分21、解不等式组：⎪⎩⎪⎨⎧-<--≥+-x x x x 6)1(31324，并求该不等式组的正整数解．解：不等式x x ≥+-324的解是2≤x ， 2分 不等式x x -<--6)1(31的解是1->x ， 4分 ∴不等式组的解是21≤<-x ， 6分 ∴不等式组的正整数解是1，2． 7分22、某校为了解该校七年级同学对排球、篮球和足球三种球类运动项目的喜爱情况（每位同学必须且只须选择最喜爱的一种运动项目），进行了随机抽样调查，并将调查结果统计后，绘制成如下表和不完整的统计图表．（1）填空：=m ，=n ，=p ； （2）补全条形统计图；（3）若七年级学生总人数为900人，请你估计七年级学生喜爱足球运动项目的人数．解：（1）50=m ，14=n ，%20=p ； 3分 （2）略 5分 （3）900×20%＝180（人） 7分五、解答题（三）（本大题3小题，每小题9分，共27分）23、某养牛场每天可用的饲料不超过1000kg ，原有30头大牛和15头小牛，1天要用饲料675kg ；一周后又购进12头大牛和5头小牛，这时1天要用饲料940kg ．（1）求每头大牛和每头小牛1天各用饲料多少kg ？（2）一段时间后，大牛已全部上市出售，原来的小牛也长成大牛，需要再购进大牛和小牛若干头继续饲养．经测算，养牛场养牛数刚好80头，且尽量多养大牛将获得最大效益，问养牛场应购进多少头大牛和小牛才获得最大效益？解：（1）设每头大牛1天用饲料x kg ，每头小牛1天用饲料y kg ， 1分依题意得，⎩⎨⎧=+=+94020426751530y x y x ， 3分解得，⎩⎨⎧==520y x ， 5分 答：每头大牛1天用饲料20kg ，每头小牛1天用饲料5kg ； 6分 （2）设最多购进m 头大牛，第24题图BA CD123依题意得，1000)60(5)20(20≤-++m m ， 7分 解得，20≤m ， 8分答：最多购进20头大牛，此时需购进40头小牛，使养牛数刚好80头牛并获得最大效益， 9分24、（1）在下面括号内，填上推理的根据，并完成下面的证明：如图，在四边形ABCD 中，BD 平分ABC ∠，31∠=∠．求证：AD ∥BC ． 证明：∵BD 平分ABC ∠，∴21∠=∠（ ）， 又∵31∠=∠（已知），∴∠ ∠= （ ）， ∴AD ∥BC （ ）；（2）请根据本题给出的图形举出反例，判定命题“相等的角是对顶角”是假命题；（3）命题“在四边形ABCD 中，AB ∥CD ，AD ∥BC ，那么C A ∠=∠”是真命题吗？如果是，写出推理过程（要求写出每一步的推理依据），如果不是，请举出反例．解：（1）分别填写：角平分线的定义、32∠=∠、等量代换、内错角相等，两直线平行 每个1分，共4分（2）BD 平分ABC ∠，21∠=∠，但它们不是对顶角， 5分 ∴命题“相等的角是对顶角”是假命题； 6分 （3）命题是真命题，证明如下： ∵AB ∥CD ，∴︒=∠+∠180C ABC （两直线平行，同旁内角互补）， 7分 ∵AD ∥BC ，∴︒=∠+∠180A ABC （两直线平行，同旁内角互补）， 8分 ∴C A ∠=∠（等角的补角相等）． 9分 若证明过程正确给2分，但推理根据没有写或有写错的，全部扣1分25、如图，在直角坐标系中，点O 为坐标原点，直线AB 与两条坐标轴交于点A 、B ，OB OA <，过OB 的中点C 作直线CD 交AB 于点D ，使1∠=∠CDB ，过点D 作AB DE ⊥交x 轴于点E ，交y 轴于点F ．已知直线AB 上的点的坐标是二元一次方程2443=+y x 的解．（1）写出点A 、B 、C 的坐标；（2）证明：OB CD ⊥（要求写出每一步的推理依据）；（3）若点D 、E 的坐标都是方程734=-y x 的解，求四边形OADE 的面积． 解：（1）A （0，6）,B （8，0），C （4，0）； 3分 （2）∵OAB ∠=∠1（对顶角相等）， 4分 又1∠=∠CDB （已知），∴CDB OAB ∠=∠（等量代换）， ∴CD ∥y 轴（同位角相等，两直线平行）， 5分 ∴︒=∠=∠90AOB DCB （两直线平行，同位角相等）， ∴OB DC ⊥（垂直的定义）； 6分 （3）由OB DC ⊥，得点D 的横坐标为4， 7分 ∴D （4，3），E （47，0）， ∴425478=-=EB ， 8分 ∴四边形OADE 的面积81173425216821=⨯⨯-⨯⨯=S ． 9分。

2017-2018学年杭州市下城区七年级(下)语文期末统考卷满分120分, 考试时间120分钟一、语文知识积累(21分)1.阅读下面文段，根据拼音写出词语,并给加点字选择正确读音。

(4 分)2018“浙江好腔调”传统戏剧展演活动杭州专场晚会上,来自杭州各区、县的不同剧种同台展演,演员们“唱、念、做、打”配合mò qì__________ , 展现出了“台上一分钟，台下十年功”的zhuó yuè__________技艺。

现场观众时而屏[A. píng B.bǐng]息凝神、时而忍俊不禁……这是一场网络时代鲜[A. xiǎn B. xiān]有的传统戏剧艺术大餐。

2.下列选项中括号内的表述不正确的一项是 ( )(3 分)A孤岂欲卿治经为博土．．邪(此句选文出自北宋司马光主持编纂的《资治通鉴》;“博士”指专掌经学传授的学官,不能译为“博学之士”）B.尔辈不能究物理(此句选文出自《阅微草堂笔记》,作者为清代文学家纪昀,即纪晓岚;“物理”指事物的道理、规律,今义“物理”已成为一门学科)C“愿为市鞍马”“东市买骏马”(诗句描写的主人公是女扮男装代父从军的木兰;句中两个“市”字,前为动词“买”，后为名词“集市、市场”)D.“无丝竹之乱耳””何陋之有"《“之”有时充当代词;有时相当于助词“的" ;有时用在主语和谓语之间,取消句子独立性,如句中加点的两个“之”字)3.一个句子往往由多个短语组合而成。

请从下面句子中各找出一个并列短语、偏正短语和动宾短语。

(3 分)古诗文中作者常常借景物描写寄寓情思、抒发感悟,所以我们能够在山川溪泉中听见回荡的心声,在花草树木间发现人生的影子。

并列短语:__________偏正短语:__________动宾短语:__________4.古诗文内容填空。

(8分)(1)朔气传金柝__________________。

(《木兰诗》)(2)可怜夜半虚前席,__________________。

2017-2018学年第二学期七年级英语教学质量检测（二）第一部分听力（共两节, 满分3分）第一节（共5小题, 每小题2分, 满分10分）听下面 5 段对话, 每段对话后有一个小题, 从题中所给的A、B、 C 三个选项中选出最佳选项, 并标在试题的相应位置。

听完每段对话后, 你都有10 秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

1. Which place is across from the library?A. The park.B. The post office.C. The Sixth Avenue.2. What is Uncle Joe doing?A. Playing basketball.B. Reading a newspaper.C. Cleaning the room.3. Where is the big bookstore?A. Near the school.B. Next to the cinema.C. Across from the cinema.4. How far is it from her home to school?A. About 4 kilometers.B. About 14 kilometers.C. About 40 kilometers.5. What does Lucy look like?D. Short with short black hair.E. Tall with long brown hair.F. Of medium height with curly blond hair.第二节（共10 小题, 每小题2 分, 满分20分）听下面 2 段对话和1 段独白。

每段对话或独白后有几个小题, 从题中所给的A、B、C 三个选项中选出最佳选项, 并标在试卷的相应位置。

听每段对话或独白前, 你将有时间阅读各个小题, 每小题 5 秒钟；听完后,各小题给出 5 秒钟的做答时间。

2018学年下城区第二学期期末七年级考试试卷数 学各位同学：1．本试卷满分120分，考试时间为100分钟。

2．答题前，必须在答题纸指定位置填写学校、姓名、座位号和准考证号。

3．必须在答题纸的对应答题位置上答题，写在其他地方无效，答题方式详见答题纸上的说明。

4．不能使用计算器；考试结束后，上交答题纸。

试题卷一、选择题（本大题有10个小题，每小题3分，共30分）。

在每小题给出的选项中，只有一项是符合题目要求的。

1．若2x 6333⨯=，则x=（ ） （A ）4 （B ）5（C ）6 （D ）7 【答案】A【解析】同底数幂相乘，底数不变，指数相加 2+x=6 x=4 故选：A2．下列是二元一次方程的是（ ） （A ）1+2x y= （B ）2xy = （C ）2x y += （D ）222x y += 【答案】C【解析】二元一次方程要有两个未知数，未知数最高次数为1。

故选C.3. 在“生命安全”主题教育活动中，为了解甲、乙、丙、丁四所学校学生对生命安全知识掌握情况，小丽制定了如下方案，你认为最合理的是（ ） （A ）抽取甲校初二年级学生进行调查 （B ）在乙校随机抽取200名学生进行调查 （C ）随机抽取甲乙两校100名老师进行调查 （D ）在甲乙学校各随机抽取100名学生进行调査 【答案】D4、下列因式分解正确的是（ ）（A ）)3)(3(92-+=+x x x （B ）()()3262+-=-+x x x x（C ）()y x y x 23363-=+-（D ）22)1(12-=-+x x x （解答）B 5. 若分式6210-+x x 有意义，则x 的取值范围是（ ） （A ）x ≠3 （B ）x ＝3 （C ）x ≠-10 （D ）x=-10 【答案】A.（解答）分母不能为0，则2x -6≠0，解得：x ≠3.6. 如图，说法正确的是 （ ） （A ）∠A =∠1 是同位角 （B ）∠A =∠2 是内错角（C ）∠A =∠3 是同旁内角 （D ）∠A =∠B 是同旁内角【答案】D 【解析】（A ）∠A =∠1 是内错角，不对 （B ）∠A =∠2 但不是内错角，不对（C ）∠A =∠3 是同位角，不对 （D ）∠A =∠B 是同旁内角7. 在义卖活动中，小华负责卖一种圆珠笔，第一天小华卖得60元，第二天多卖了10支，卖得75元，设小华第一天卖了x 支这种圆珠笔，则下列方程正确的是（ ） （A ）60x=75x−10（B ） 60x=75x+10（C ）75x=60x−10（D ）75x=60x+10【答案】B【解析】根据题目可得第一天圆珠笔的单价为60x ，第二天圆珠笔的单价为75x+10，由此构成等量关系.8.用四个长和宽是a ，b （a ＞b ）的长方形拼成面积64的大正方形，中间小正方形的面积是S ，（ ）（A）若S＝4，则ab＝8（B）若S＝16，则ab＝10（C）若ab＝12，则S＝16（D）若ab＝14，则S＝4【答案】C（解答）S＝64－4ab∴C对9.多项式（2a＋1）x2＋bx，其中a,b为常数（）（A）若公因式为3x，则a＝1（B）若公因式为5x，则a＝2（C）若公因式为3x，则a＝3k＋1（k为整数）（D）若公因式为5x，则a＝5k＋1（k为整数）【答案】C【解析】公因式为3x，a＝3k＋1代入得，2a＋1＝6a＋3，∴A错，B错，C对同理D错10.如图，a∥b，设∠1＝（3m＋10）°，∠4＝（7m－30）°，（）（A）若∠2＝∠3，则∠2＝（3m－10）°（B）若∠1＝∠4，则∠3＝（m＋30）°（C）若∠1＝2∠2＝2∠3，则∠2＝（3m）°（D）若∠1＝∠2＝∠3，∠2＝（5m－10）°【答案】D ∵a ∥b∴∠1＋∠3＝∠2＋∠4 若∠2＝∠3，则∠1＝∠4， ∴m ＝10，得不出∠2和∠3的度数 B ，C 同理若∠1＝∠2＝∠3，则∠1＝∠2＝∠3＝∠4 ∴m ＝10∠1＝∠2＝∠3＝∠4＝40° ∴D 对二．填空题（本大题共6小题，每题4分，共24分）11．一次射击训练中，李磊共射击10发，射中8环的频率是0.4，则射中8环的频数是 . 【答案】412、计算：.___________331-=÷ （解答）9113. 分解因式：a a 43- = . 【答案】)2)(2(-+a a a（解答）a a 43-)2)(2()4(423-+=-=-a a a a a a a .14 如图，点E 在AD 的延长线上，下列四个条件：1. ∠1=∠2 2. ∠C +∠ABC =180° 3. ∠C +∠CDE 4. ∠4=∠3. 能判断AB ∥CD 的是 （填序号）【答案】1，2 【解析】1. ∠1=∠2是内错角，内错角 相等，两直线平行2. ∠C +∠ABC =180°是同旁内角，同旁内角相加等于180°，则两直线平行15 关于x 的分式方程ax−3=13的解是x=b,若a=b+1，则x= 【答案】x =−3 【解析】∵a x−3−13=0.∴3a−(x−3)3(x−3)=0. ∵x =b .∴3a−(b−3)3(b−3)=0. ∵a =b +1 . ∴3(b+1)−(b−3)3(b−3)=0. 2b+6=0 x =b =−3.16. 记a ❈b ＝（a ＋b ）2－（a －b ）2,若A ❈22y 1641－x ＝y2y2＋－x x ，则A ＝___________（用含有x ，y 的代数式表示） 【答案】（x －2y ）2 （解答）a ❈b ＝4ab ∴A ＝y 2y 2＋－x x ÷22y1644－x ＝（x －2y ）2 三、解答题（本大题有7个，共66分）。

2017-2018学年第二学期期末基础性学力检测七年级科学考生须知:1.本试卷满分120分,考试时间100分钟。

2.答题前，在答题纸上写上学校、姓名、准考证号和座位号。

3.必须在答题纸的对应位置上答题,写在其他地方无效。

4.本卷用到的g取10N/kg。

一、选择题(每小题3分,共51分,每题只有一个正确答案)1.小莉进入青春期后,臉上长满了青春痘,经医生检查发现她体内的性激素分泌失调,这与图中哪个器官的功能有关A.甲B.乙C.丙D.丁2.小辉穿了白衬衫,蓝裤子和黑皮鞋,走进一间只亮着红灯的房子里,别人看到他所穿服装的颜色是A.白衬衫、蓝裤子和黑皮鞋B.红衬衫、蓝裤子和黑皮鞋C.红衬衫、黑裤子和黑皮鞋D.白衬衫、红裤子和红皮鞋3.如图所示是小朋友滑滑板车的情景,下列说法正确的是A.以滑板车为参照物,小朋友是运动的B.运动的滑板车最终停下来是因为不再受力C.滑板车安装轮子减小了对地面的压强D.蹬地使滑板车向前运动,说明力能改变物体的运动状态4.在杭州工作的迈克感觉近段时间的天气一天比一天炎热,夜幕也一天比一天更晚地来临……,那么这段时间对应地球运行的位置变化是图中的(图中涂黑部分表示黑夜)A.b a →B.c b →C.d c →D.a d →5.下图是由菜豆种子萌发成的幼苗。

下列说法正确的是A.菜豆种子中的胚乳是由受精卵育而来的B.菜豆种子萌发时,先长出叶,再长出根C.菜豆种子萌发时所需的营养主要由子叶提供D.只要温度、水分、空气适宜,菜豆种子就一定会萌发6.下图所示的光学现象中,下列描述或解释正确的是A.图(a)中,小孔成的是倒立的虚像B.图(b)中,人配戴的凹透镜可以矫正远视眼C.图(c)中,白光通过三棱镜分解出的紫光常被人们用来灭菌D.图(d)中,漫反射的每条光线都遵循光的反射定律7.如图所示从车厢顶的A 处有一小球自由落下,结果落在地板上的B 处,则此时该车厢所处的运动状态可能是A.向左加速运动B.匀速向右运动C.由静止向右启动D.匀速向左运动8.生命到底起源自哪里?人们提出了各种假说,目前各种争论还在持续。