南通市启秀中学2016-2017年第一学期期末考试及其答案

南通市启秀中学2015-2016年第一学期期末考试初一英语二、选择题(每小题1分，共15分)21. i-phone6 on the second floor is old one.A. An; anB. The; aC. The; anD. A; an22. Andy is popular my classmates. I like to chat with him classes.A. in; between B among; in C. to; in D. among；between23. He needs hamburgers because he is very hungry.A. two moreB. more twoC. other twoD. two another24. I think this pair of football boots nice. Can I .A. looks; try it onB. looks; try them onC. look; try on itD. look; try them on25. Little Tommy is fat, because he eats food.A too much, too much B. much too, much tooC. too much, much tooD. much too, too much26. Look! Daniel. a book in his hand and he happily at the picture on the wall.A. has; looksB. is having; looksC. is having; is lookingD. has; is looking27. --- TV does he watch every day? --- For two or three hours.A. How longB. How muchC. How oftenD. How many28.He is in bad ，because his lifestyle is not .A. health; healthyB. healthy; healthyC. health; healthD. healthy; health29. They half an hour on the playground after class.A. spend; to practice runningB. take; to practice to runC. spend; practicing runningD. take; to practice running30--- ？---It's eight thirty.A. How old is your grandpaB. How many students are there in your classC. What's the time, pleaseD. What is your telephone number31. --- your brother free on Saturday?---No. He have any free days this week.A. Is; isn'tB. Does; doesn'tC. Is; doesn'tD. Does; isn't32. It hard outside. Let's shopping.A. is raining; goB. is raining; not goC. rains; goD. rains; not go33. Can you go and who is playing computer games in the next room?A. look forB. look atC. findD. find out34. Look! There are a few on theirA. photos; radiosB. photos; radioesC. photoes; radiosD. photoes; radioes35. --- I hear that Mr. Li ales away your money on the desk Is du true? --- Maybe. .A. I'm sureB. There is no smoke without fireC. You are welcomeD. Out of sight, out of mind三、完形填空(每小题1分，共15分)Using computers is par(部分) of our life. On the Internet, we can read news. plan holidays, 36 some shopping play games and so0 on 37 for some people. once they are onto the Internet. they just can't stop It is reported that 51% of men and 42% of women think Intermit is one reason why they're not getting enough 38 ! Because they have the on-line experience(经历)，68% of internet addicts (上瘾的人)say they do not have 39 time to stay with their family 40 visit their friends face-to-face .Some students 41 have internet addiction. Often these students stay 42 school and home. They don't do their 43 but just play games in the internet Cafes. They 44 the screens(屏幕) and their fingers hit buttons quickly. 45 ，they shout loudly and jump from their seats when they win or lose in the games. These "gamers" play games most of the day, then think about them for the rest(剩余部分) of the day and 46 about them in bed at night. They soon won't 47 with others. They only think about the games. Playing computer games becomes their favourite thing. Computers are now their 48 friends.That makes their parents 49If we can use computers in a right way, our 50 will be better.36. A. do B. go C going D. doing37. A. And B. So C. But D. Or38. A. sleeping B. seep C. drinks D. meal39. A much B. little C. some D. few40. A. and B. or C. with D. to41. A. too B. also C. all D. don't42. A. away B. far C, away from D. away to43. A. homework B. houseworks C. learn D. subject44. A. watch B. see C look D feel45. A. Some time B. Sometime C. Some times D Sometimes46. A. dream B. hear C. chat D. ask47. A. listen B. live C. talk D. eat48. A. best B. the best C. well D. dislike49. A. different B. comfortable C. worried D. happy50. A. lesson B. time C. games D. life51. Tokyo One is the name of a .A. restaurantB. libraryC. food supermarketD. museum52. We can go to Tokyo One for lunch atA.10:30 am on Monday B: 2:30 pm on SundayC.11:00am on SaturdayD. 3:00pm on Friday53. We can have dinner in Tokyo One at 9:40pmA. on TuesdayB. on SaturdayC. on WednesdayD. on Thursday54. The advertisement(广告) doesn't tell us the Of Tokyo One.A. locationB. telephone numberC. websiteD. food priceBMike is nine this year. He is in Grade Three. His father drives a car in a factory and his mother works in a hospital.It's a Saturday afternoon; Mike is sitting in the room and reading a book. Kate comes up to him and says, “Brother! Mum my wants you to help her."“What does she want me to do?" asks the boy. “To wash the apples or to cut the cakes?""Neither," answers Kate. “She's watering flowers in the garden. She wants you to carry some water for her."“Why don't you do that?"“Mummy sa y's I'm too young. .“Don't you see I'm busy now?"“What are you doing here, then?"“I’m reading a book I can’t go there."“Is this an interesting book?""“Yes, it is."“Well, let me help you read the book and you go to help her," says Kate.55. There’re children in Mike's family:A. twoB. threeC. fourD. five56. Mike doesn't go to school becauseA. it's SaturdayB. he's illC. he wants to read the bookD. he wants to help his mother57. Mike doesn't want to help his mother becauseA. he's very busyB. he has some homework to doC. he's very hungryD. he's very lazy58. Kate comes to Mike and wantsA. to read the bookB. to carry waterC. to water flowersD. him to help their motherCEarly to bed, early to rise, makes a man healthy, wealthy and wise.This is an old English saying. Do you know it before? It says that we must go to bed early and get up early in the morning. Then we should be healthy. We should also be rich (wealthy) and clever (wise).This is true. The body must have enough sleep to be healthy. Young children should have ten hours' sleep every night. If children don't have enough sleep, they can't do their work very well. They will hours wise and they may not become wealthy!The body also needs exercise. Walking, running, jumping, swimming and playing games are all exercise. Exercise keeps the body strong.Exercise also keeps the blood (血液) moving around inside the body, This is very important. Our blood takes food to all parts of our body. The head also needs blood. Exercise helps us to think better!59. If we get up early and go t0 bed early, well .A. have enough exerciseB. be healthyC. think betterD. have strong blood60. If a child doesn’t have 10 hours se ep every night, he .A. will become wiseB. can't go to school in timeC. will have to sleep in the daytimeD. won't do well in his work61. Exercise makes the move quickly and smoothly.A. bodyB. bloodC. childrenD. head62. Which of the following is not true?A. If you have enough blood, you'll be wise.B. A student should have 10 hours' steep.C. It's good for you to get up early and go to bed early.D. Exercise is good for a person's headDReading is a good hobby for all kinds of reasons.First, reading is fun. You can always keep yourself happy if you like reading. You will never feel bored or tired.Next, you can read a book anywhere—in a car, on a plane, or even in the bathroom. All you need is a book!Another good reason for reading is that it is useful. If you read as a hobby, you will get better and better at it. And you will read faster and find it easier to understand what you read. As you reading skill(技能) get better, you may find your schoolwork becomes much better.Some people say that reading is out of date(过时的) This is not true You can read on computers, and thebetter you read, the better your computer skills will be.Good readers may become writers, to0. They always have more things to write about:Reading is a wonderful hobby. Why not start reading right now?63. Reading can always keep yourselfA. boredB. tiredC. happyD. sad64. You can read a bookA. anywhereB. when you are driving a carC. only on a planeD. only in the bathroom.65. What does the passage mainly tell us?A. Good readers must be good writersB. Reading is not out of date.C. You can read on computersD. Reading is a good hobby for different reasons.EThere are many different kinds of food in the world.People usually eat many plants and plant parts as food. Across the world there are about 2.000 plants.Vegetables are the most common plants for people to eat as food. Vegetables include root vegetables (potatoes and carrots)，leaf(叶) vegetables (cabbages), stem( 茎) vegetables(bamboo shoots) and inflorescence(花序) vegetables (broccoli<西兰花>). Fruits are natural plant food. Seeds (种子) are also a plant part to humans and animals.While plants are important in human(人类) food, animals can also be food. For example, many people like eating beef, and milk is from the cow. Animal food can also include eggs from birds and honey from bees.66. The most common plant food is the .A. vegetableB. seedC. animalD. fruit67. Potatoes are vegetables.A. leafB. inflorescenceC. rootD. stem68. There are kinds of plant food in the passage.A. twoB. threeC. fourD. five69. The underlined word *honey' means 'in Chinese.A.饮料B.牛奶C.果汁D.蜂蜜70. What is the main idea of the passage?A. Different kinds of plantsB. Different kinds of animals.C. Different kinds of food.D. Different kinds of vegetablesII卷(60分)五、词汇(每小题1分，共15分)A.根据括号内的中文提示，英文释义或句意，写出句中所缺单词，使句子通顺。

江苏省南通中学2016—2017学年度第一学期期末考试高一地理试卷一．选择题（本大题共 30 小题，每小题 2 分，共 60 分。

在每小题给出的四个选项中，只有一项是最符合题目要求的）近年来，河北省石家庄市的雾霾天气增多，城区能见度不断降低。

如图为石家庄市主城区大气受热过程示意图(图中字母表示不同的辐射类型)。

据此完成1-3题。

1.该城市近地面大气的主要而直接的热源是A.太阳短波辐射B.地面长波辐射C.大气长波辐射D.大气逆辐射2.在图中体现大气对地面的保温作用的是A.aB.bC.cD.d3.雾霾天气使石家庄市城区能见度降低的主要原因可能是A.雾霾强烈吸收了地面长波辐射B.雾霾对地面长波辐射削弱作用增强C.雾霾改变了太阳短波辐射波长D.雾霾对太阳短波辐射具有反射作用下图是由于地面冷热不均而形成的热力环流图，回答4—6题4.图中①至④点的气压，由高到低排列顺序正确的是A.②①③④B.①③④②C.④②①③D.③②①④5.图中四点中气温最高的是A．① B．② C．③ D．④6.关于热力环流的叙述，错误的是A.地面冷热不均是形成大气运动根本原因B.热力环流是大气运动的一种最简单的形式C.水平气压梯度力是形成大气水平运动的直接原因D.无论水平方向还是垂直方向，空气总是从高压流向低压下图为“甲、乙两城市1月、7月均温与降水量示意图”。

读图完成7—8题7.下列关于甲、乙两城市位置的说法，正确的是A．甲位于北半球，乙位于南半球B．甲位于南半球，乙位于北半球C．甲、乙均位于北半球D．甲、乙均位于南半球8.下列城市中，气候特征与甲城市最相似的是A．哈尔滨 B．乌鲁木齐C．上海 D．拉萨下图为“锋面示意图”。

读图并结合所学知识，完成9-10题。

9.图中甲、乙、丙、丁四地中，位于锋前的是A.甲与乙B.乙与丁C.丙与丁D.丙与甲10.图中甲、乙、丙、丁四地中，以晴天为主的是A.甲与乙B.乙与丙C.丙与丁D.丁与甲读北半球某区域海平面等压线图(单位：百帕)，完成11-13题。

2016-2017学年第一学期期末调研测试七年级道德与法治(总分50分时间50分钟)第I卷（选择题共30分）第I卷共15题，每小题2分，共30分。

每小题给出的四个选项中只有一个选项是最符合题意的。

答案请按要求填涂在答题纸上。

1．面对初中生活的新挑战我们不仅要有勇气迎接挑战，还要在行动上不断调整。

下列属于主动调整生活节奏的有①制定可行的学习计划②学会安排自己的学习生活③做好心理调适④学会安排作息时间A．①③④B．①②③C．②③④D．①②④2．“以铜为镜，可以正衣冠；以古为镜，可以知兴替；以人为镜，可以明得失。

”这给我们的启示是A．他人的评价有助于我们正确认识自己B．他人的评价是对自己全面、客观的认识C．自我的观察是认识自己的唯一途径D．他人评价是正确认识自己的最重要途径3．刘洋经常对自己说：“我虽然长得不够帅，但也有很多优点。

我是世界上独一无二的，我一定要加倍努力塑造更好的自我形象。

”对于刘洋的这种认识，下列观点正确的是A．欣赏自己、悦纳自己的表现C．缺乏追求美的意识的表现B．不利于全面认识自己D．只看到缺点，看不到优点，是自卑的表现4．右侧漫画《发怒》启示我们B．情绪是难以预料，不可控制的C．情绪与人生相随，是经常变化的D．要善于调节情绪，做情绪的主人5．王琳进入青春期后，在家总爱和父母对着干，在学校也经常和同学闹矛盾。

为此，她感到很苦恼。

为了摆脱苦恼，她应当①我行我素，唯我独尊②主动沟通，寻求帮助北京天梯志鸿教育科技有限责任公司③学会当自己的“心理医生”④自我封闭，少与人交往A．①③B．①②C．②③D．①④6．青春期的心理充满矛盾，对此认识不正确的是A．这是我们成长过程中正常的心理现象，必须重视B．是难以避免的，处理好这些矛盾有利于我们生理和心理的健康发展C．这些矛盾会严重影响我们的健康成长，必然会成为我们成长的障碍D．我们必须勇于正视、认真分析、积极解决这些矛盾，保持青春期的心理健康7. 中国梦是国家梦、民族梦，归根到底是人民的梦。

南通市启秀中学2016—2017学年度第一学期期末考试初二物理试卷满分： 100分 考试时间： 100分钟一、选择题（每小题2 分，共 30 分） 1．下列数据中，符合实际情况的是（ ）A.人正常步行的速度为5m/sB. 一只鸡的质量约为2kgC. PM2.5是指空气中直径为2.5mm 的固体颗粒D.做一遍中学生眼保健操的时间约需5s 2．宋代文学家范仲淹在脍炙人口的不朽名篇《岳阳楼记》中写道：“皓月千里，浮光跃金，静影沉璧”，文中 （ ）A ．“皓月”是人造光源B ．“皓月”是自然光源C ．“静影沉璧”是反射形成的虚像D ．“静影沉璧”是折射形成的虚像 3．下列说法正确的是 （ ）A ．根据紫外线能使荧光物质发光可以制成紫外线夜视仪B ．镜面反射遵守反射定律，漫反射不遵守反射定律C ．电视机的遥控器可以发出不同频率的红外线来实现对电视机的遥控D ．彩色电视机的色彩是用红、黄、蓝三种色光按不同的比例混合得到的4．如图所示为“探究平面镜成像特点”的实验装置图．下列有关该实验的说法，正确的是( ) A ．为了便于观察，该实验最好在较暗的环境中进行 B ．如果将蜡烛A 向玻璃板靠近，蜡烛A 的像会变大C ．移去蜡烛B ，并在原蜡烛B 的位置放一光屏，发现光屏上能得到蜡烛A 的像D ．保持A 、B 两支蜡烛的位置不变，无论怎样改变玻璃板的位置，发现蜡烛B 始终能与蜡烛A 的像重合5．“影”是生活中常见的光现象，如做光学游戏的“手影”、 留下美好记忆照片的“摄影”、幻灯机射到屏幕上的“投影”、湖岸景色在水中形成的“倒影”等如下图所示，它们与物理知识对应关系正确的是 ( )6．陶瓷茶杯底部放有一枚硬币，人移动到某一位置时看不见硬币(如图甲)，往茶杯中倒入一些水后，又能够看见硬币了(如图乙)．能正确反映其中奥秘的光路图的是 （ ）7.一块铁块的质量会发生变化的情况是 （ ）。

A.将铁块熔化成铁水B.将铁块磨掉一个角C.将铁块轧成薄片D.将铁块从地球运到月球8．下图所示的几种测量中，刻度尺放置最符合要求的是（ ）A. B. C. D.9．把一块长方体玻璃砖压在有“科学”两字的书上，如右图所示。

南通市启秀中学2017-2018学年度第一学期期末英语考试试卷满分：150分考试时间：120分钟I卷（90分）二、选择题(每小题1分，共15分)21. There is “o”, “u”and “r” in the word“our”.A. a, a, anB. an, an, anC. an, an, aD. an, a, an22. The hair clip $35, but she has only $20 to .A. spends, spendB. takes, spendC. costs, spendD. costs, pay23. There some milk and eggs on the tableA. is notB. aren’tC. isD. are24. My family always a party the evening of 31st OctoberA. have; inB. has; in C has; on D. have; on25. the students will go to Nanshan Park for the picnic.A. Two hundreds B Two hundreds of C. Two hundred of D. Two hundred26. Look! The young girl is dressing up an old woman a black coat.A. as, inB. as ofC. in, as D in, of27. I would like tea nothing in it.A. hasB. haveC. withoutD. with28. a bright boy he is! = bright the boy is!A. How, WhatB. What, HowC. How, WhichD. Who, How29. Eating too many candies not good for your health.A. isB. areC. haveD. has30. The bookshop is in Street. He often goes there to buy books.A. fifthB. the fifthC. FifthD. the Fifth31. The activity is . And we send to the children in poor areas.A. enough meaningful; enough food B enough meaningful; food enoughC. meaningful enough; enough foodD. meaningful enough; food enough32. --- is it from your school to the library? --- It's about ten minutes' walk.A. How long B How much C How soon D. How far33 ---Is there in today's newspaper? --- No.A. something interesting B interesting something C. anything interesting D. interesting anything34. I like wearing the clothes silk. They feel smooth.A. are made of B are made from C. made of D. made from35. ---Happy New Year! --- .A. Thank you.B. The same to you.C. That’s all right. D Not at all.二、完形填空(每小题1分，共15分)In China, the Spring Festival is the most important of all the holidays in the year. Two important things 36 to make this holiday different from all the others: giving presents and spending it 37 the family. Many weeks 38 the Spring Festival, we know it is coming. In the 39 goods for this special holiday appear and outside them are the special New Year decorations. The advertisements 40 all the newspapers tell us that there are "Only five ne 41 shopping days to Spring Festival". 42 you go, you will realize that Spring Festival, which comes "only 43 a year", is coming again. Giving 44 to one's family is a very sweet custom. The spirit behind the present matters most, not the present 45 . It is good at Spring Festival to 46 to the hometown and meet parents, grandparents and as many aunts, uncles and cousins as possible.In the past, 47 New Years Eve, all the members of a family 48 stay at home making dumplingstogether. 49 many people enjoy watching TV. During the day, children wear their new clothes. The evening is usually spent in games, talking, more eating and 5036. A. help B. want C. get D hope37. A. in B. on C. at D. with38. A. after B before C during D. at39 A. towns B. schools C. shops D. restaurants40. A. on B. in C. from D. above41. A. other B fewer C. another D. more42. A. Where B. Wherever C. Whatever D How43. A. a time B. twice C one D. once44. A. money B. presents C. wishes D. cards45. A. itself B. themselves C. by itself D. either46. A. go B. come C. return D. turn47. A. in B. at C. on D by48. A. would B. might C. could D. have to49. A Now B. But C. And D. So50. A. sleeping B. playing C. running D .drinking四、阅读理解(每小题2分，共40分)A. In a magazine. B In a book. C In a guide-book. D. On a website.52. Li Hong thinks many students like to bring the high-tech things to school because .A. they like to listen to musicB. mobile phones are useful for their studiesC. they want to show off these thingsD. they want to contact with their classmates53. From the passage we know thatA. Li Hong has many high-tech things like her classmatesB. American students often use their own money to buy the high-tech thingsC. Chinese students work during the holidays to buy the high-tech thingsD. all the high-tech things are useful for the studentsBHenry finds a job on a farm. He is the strongest and youngest. He eats more, sleeps more, but works less. He doesn’t like to use his head, so he knows little. He has to do some unskilled work. He always says he is tired and hopes to have a good rest. So he gets less money than othersWinter is coming. The workers are getting ready for the next year. Only Henry does nothing. The farmer tells him to cut down some trees in the forest. The young man has to go there with a chair. He feels lonely in the forest and is afraid of the animals. So he looks around and sings loudly. Nobody knows what he’s singing.After three days, Henry doesn’t cut down any trees. The farmer feels strang e. He wants to find out how the young man is working there. To his anger, Henry is sitting on the chair, cutting the tree.Why are you sitting here to cut the trees?" asks the farmer.“Because I can't work, if lying, sir!”54. Henry gets less money becauseA. he sleeps moreB. he does some unskilled workC. he isn't polite to farmerD. he eats more55. Henry has to cut down the trees becauseA. he can do nothing except (除……以外) itB. he likes to stay in the quiet forestC. he can't get on well with othersD. he is very strong56. Henry hopes to .A. make the farmer happyB. get helpC. lie down in the forestD. cut down more treesCAlmost everyone likes to eat apples. Apples trees grow in nearly every part of the world. The United States produces more apples than any other country except France. The states of Washington and New York grow the most apples.Apples are red, yellow or green. They are very popular in the United States. Many people like to carry apples to work or to school to eat with their lunches. Most American people are often too busy or too tired to cook dinner, so they often have their dinners very simply(简单地). Apple juice is also a popular drink and apple pie is the favorite dessert for many Americans.The state of Washington is proud of its apples. The trees there produce about five billion apples every year---nearly one apple for every man, woman and child in the whole world57. produces the most apples in the worldA. The United States B Canada C. China D. France58. Many Americans like to eat apples during lunch because they at noon.A. eat nothing but applesB. feel it better to eat applesC always eat simple food D. can get apples easily59. “The trees there produce about five billion apples every year.” One billion isA.100,000B.1000,000C.10,000,000D.1,000,000,00060. The state of Washington is proud of its apples because they thinkA. everyone in the world can share their happinessB. they can produce as many apples as people all over the worldC. their apples are better than any of the other fruitsD. their apple trees are the best in the worldDAustralia is the greatest island in the world. It is to the south of the equator. So when it is summer in our country, it is cold winter in Australia.Australia is big, but the population (人口) there is thin. The population is the same as that of Shanghai, a city of China. Australia is a young and diverse nation and Australian people come from many different countries.Australia has many, many sheep. After a short drive from town, you will see sheep around you. You can also find kangaroo has a "bag" below its chest. The mother kangaroo keeps its baby in the “bag”.Australia is considered to be a relaxed, informal society (社会). When greeting others, students and young people say “Hello”or “Hi”. Sometimes they will say“How’s it going?”or “G day". In more formal(正式的) situations they usually shake hands the first time they meet.“Good morning”，“Good afternoon" or "Pleased tomeet you" are formal greetings. English is Australia's national language.61. Australia is the greatest island in the world. The word "island" may mean .A.国家B.城市C.山脉D.岛屿62. Australia has the same population as .A Shanghai B. China C. Beijing D. Japan63. When it is summer in Australia, it is in chinaA. springB. autumnC. winterD. summer64. When Australian people meet for the first time, they willA. kiss each other B hug each other C nod head to others D shake hands65. Which statement is right, according to the passage?A. Australia has a large population.B. Kangaroo is a kind of sheep in Australia.C. Young people always say "How's it going " or "G day" to greet othersD. When you drive in Australia, you can see many horsesEThe following are four kinds of medicine at home. We should know how to use them. Never make any mistakes.(1) Take the medicine with water. One pill(片) every eight hours. For further nighttime and every morning, take two pills at bed time. Don' t take more than six pills in 24 hours. For children six or twelve years old, give half the adult dosage（剂量）. For children under six years old, go to ask your doctor. Take less dosage if restlessness or sleeplessness happens.(2) Each pill of the medicine is taken three times each day for persons more than 14 years old. As usual, a pill 6: 00 a.m. before breakfast, one before 11: 00 and one before sleep. Not for children under six years old and old persons with heart trouble.(3)The medicine is for a person with a cough. Once two pills a day before sleep for adult. Not take the medicine without cough. Half for children under 12 years old Children with a bad cough, go to see a doctor.(4)The medicine is taken three times a day. Once five pills for an adult with a cold. Half the pills for children under 10 years old. Take the medicine before breakfast, lunch and sleep.66. If a person can't rest and sleep very well after taking the first kind of medicine, he shouldA take less dosageB take more dosage C. take two pills at bed time D. take it again without water67. If a middle-aged person with a cough wants to be well at home, he'd better .A. take three pills before sleepB. stop to take some more pillsC. go to see the doctor aD. take two pills of the third kind of medicine before sleep68. can't take the second kind of medicine.A Children over 12 years oldB Some adults 18 years oldC. Some old persons with heart trouble D Child over 7 years old69. When an adult has a cold, he had betterA. have about over 14 pills of the fourth kind of medicine a dayB. have six pills of the fourth kind of medicine twice a dayC. have five pills of the fourth kind of medicine four times a dayD. have nine pills a day70. Which of the following is TRUE?A. None of them are good for children under 6.B. Three kinds of the medicine should be taken 3 times a day.C. Three kinds of the medicine should be taken before sleepD. None is for a coldⅡ卷(60分)五、词汇(每小题1分，共15分A请根据括号中的中文提示、英文释义或句意，写出所缺单词，使句子通顺。

2016-2017学年江苏省南通市启东市高一（上）期末数学试卷一、填空题（共14小题，每小题5分，满分70分）1．（5分）求值：sin1440°=．2．（5分）计算10lg3+log525=．3．（5分）设向量=（k，2），=（1，﹣1），且∥，则实数k的值为．4．（5分）满足{1}⊊A⊆{1，2，3，4}的集合A的个数为．5．（5分）设函数f（x）=，则f（f（2））=．6．（5分）已知α∈（0，π），sinα+cosα=﹣，则t anα=．7．（5分）若函数f（x）=3x+b的图象不经过第二象限，则b的取值范围为．8．（5分）已知sinθ=，θ∈（0，），则sin（2θ﹣）=．9．（5分）平面向量⊥，||=2，则•=．10．（5分）已知函数y=f（x），x∈R，对于任意的x，y∈R，f（x+y）=f（x）+f （y），若f（1）=，则f（﹣2016）=．11．（5分）若α∈（，2π），化简+=．12．（5分）函数f（x）=log2（ax2﹣x﹣2a）在区间（﹣∞，﹣1）上是单调减函数，则实数a的取值范围是．13．（5分）若，是单位向量，且•=，若向量满足•=•=2，则||=．14．（5分）已知函数f（x）=2sin（2x﹣）﹣1在区间[a，b]（a，b∈R，且a ＜b）上至少含有10个零点，在所有满足条件的[a，b]中，b﹣a的最小值为．二、解答题（共6小题，满分90分）15．（14分）设函数f（x）=+的定义域是A，集合B={x|m≤x≤m+2}．（1）求定义域A；（2）若A∪B=A，求m的取值范围．16．（14分）如图，在平行四边形ABCD中，P，Q分别是BC和CD的中点．（1）若AB=2，AD=1，∠BAD=60°，求•及cos∠BAC的余弦值；（2）若=λ+，求λ+μ的值．17．（14分）已知函数y=f（x）是R上的偶函数，且当x≤0时，f（x）=log（1﹣x）+x．（1）求f（1）的值；（2）求函数y=f（x）的表达式，并直接写出其单调区间（不需要证明）；（3）若f（lga）+2＜0，求实数a的取值范围．18．（16分）已知a∈R，函数f（x）=x2﹣2ax+5．（1）若a＞1，且函数f（x）的定义域和值域均为[1，a]，求实数a的值；（2）若不等式x|f（x）﹣x2|≤1对x∈[，]恒成立，求实数a的取值范围．19．（16分）如图所示，我市某居民小区拟在边长为1百米的正方形地块ABCD 上划出一个三角形地块APQ种植草坪，两个三角形地块PAB与QAD种植花卉，一个三角形地块CPQ设计成水景喷泉，四周铺设小路供居民平时休闲散步，点P 在边BC上，点Q在边CD上，记∠PAB=a．（1）当∠PAQ=时，求花卉种植面积S关于a的函数表达式，并求S的最小值；（2）考虑到小区道路的整体规划，要求PB+DQ=PQ，请探究∠PAQ是否为定值，若是，求出此定值，若不是，请说明理由．20．（16分）已知函数f（x）=sinxcosx+sin2x﹣．（1）求f（x）的最小正周期及其对称轴方程；（2）设函数g（x）=f（+），其中常数ω＞0，|φ|＜．（i）当ω=4，φ=时，函数y=g（x）﹣4λf（x）在[，]上的最大值为，求λ的值；（ii）若函数g（x）的一个单调减区间内有一个零点﹣，且其图象过点A（，1），记函数g（x）的最小正周期为T，试求T取最大值时函数g（x）的解析式．2016-2017学年江苏省南通市启东市高一（上）期末数学试卷参考答案与试题解析一、填空题（共14小题，每小题5分，满分70分）1．（5分）求值：sin1440°=0．【解答】解：sin1440°=sin（4×360°）=sin0°=0．故答案为：0．2．（5分）计算10lg3+log525=5．【解答】解：原式=3+2=5．故答案为：5．3．（5分）设向量=（k，2），=（1，﹣1），且∥，则实数k的值为﹣2．【解答】解：∵∥，∴﹣k﹣2=0，解得k=﹣2．故答案为：﹣2．4．（5分）满足{1}⊊A⊆{1，2，3，4}的集合A的个数为7．【解答】解：若{1}⊊A⊆{1，2，3，4}，则A={1，2}或{1，3}或{1，4}或{1，2，3}或{1，2，4}或{1，3，4}或{1，2，3，4}显然这样的集合A有7个，故答案为：7．5．（5分）设函数f（x）=，则f（f（2））=3．【解答】解：∵函数f（x）=，∴f（2）=﹣22+2=﹣2，f（f（2））=f（﹣2）=（）﹣2﹣1=3．故答案为：3．6．（5分）已知α∈（0，π），sinα+cosα=﹣，则tanα=﹣．【解答】解：∵α∈（0，π），sinα+cosα=﹣，∴α为钝角，结合sin2α+cos2α=1，可得sinα=，cosα=﹣，则tanα==﹣，故答案为：﹣．7．（5分）若函数f（x）=3x+b的图象不经过第二象限，则b的取值范围为（﹣∞，﹣1] ．【解答】解：由函数y=3x+b的图象不经过第二象限，可得1+b≤0，求得b≤﹣1，故答案为：（﹣∞，﹣1]．8．（5分）已知sinθ=，θ∈（0，），则sin（2θ﹣）=．【解答】解：∵sinθ=，θ∈（0，），∴cosθ=，∴sin（2θ﹣）=====．故答案为：．9．（5分）平面向量⊥，||=2，则•=4．【解答】解：∵⊥，且||=2，∴=0，则．故答案为：4．10．（5分）已知函数y=f（x），x∈R，对于任意的x，y∈R，f（x+y）=f（x）+f （y），若f（1）=，则f（﹣2016）=﹣1008．【解答】解：∵函数y=f（x），x∈R，对于任意的x，y∈R，f（x+y）=f（x）+f （y），∴令x=0，y=0 得f（0）=f（0）+f（0）即f（0）=0，令y=﹣x 代入得f（0）=f（x）+f（﹣x）=0 所以原函数是奇函数，∵f（x+y）=f（x）+f（y），∴f（2）=2f（1），f（3）=f（2）+f（1）=3f（1），∴f（n）=nf（1），∵f（1）=，∴f（﹣2016）=﹣f（2016）=﹣2016×f（1）=﹣2016×=﹣1008．故答案为：﹣1008．11．（5分）若α∈（，2π），化简+=．【解答】解：∵α∈（，2π），∴∈（），∴+==．故答案为：．12．（5分）函数f（x）=log2（ax2﹣x﹣2a）在区间（﹣∞，﹣1）上是单调减函数，则实数a的取值范围是[0，1）．【解答】解：令g（x）=ax2﹣x﹣2a，a=0时，g（x）=﹣x，在（﹣∞，﹣1）递减，故f（x）在（﹣∞，﹣1）递减，符合题意，a≠0时，则a＞0，g（x）的对称轴x=＞0，故g（x）在（﹣∞，﹣1）递减，只需g（﹣1）=a+1﹣2a＞0即a＜1即可，综上：0≤a＜1，故答案为：[0，1）．13．（5分）若，是单位向量，且•=，若向量满足•=•=2，则||=．【解答】解：∵，是单位向量，且•=，不妨设=（1，0），=．设=（x，y）．∵•=•=2，∴x=2，y=2，解得y=．∴=（2，）．则||==．故答案为：．14．（5分）已知函数f（x）=2sin（2x﹣）﹣1在区间[a，b]（a，b∈R，且a ＜b）上至少含有10个零点，在所有满足条件的[a，b]中，b﹣a的最小值为．【解答】解：函数f（x）=2sin（2x﹣）﹣1，令f（x）=0，即2sin（2x﹣）﹣1，sin（2x﹣）=，解得：x=或x=，（k∈Z）．故相邻的零点之间的间隔依次为，．y=f（x）在[a，b]上至少含有10个零点，等价于b﹣a的最小值为4×+5×=．故答案为：．二、解答题（共6小题，满分90分）15．（14分）设函数f（x）=+的定义域是A，集合B={x|m≤x≤m+2}．（1）求定义域A；（2）若A∪B=A，求m的取值范围．【解答】解：（1）∵函数f（x）=+的定义域是A，∴定义域A={x|}={x|1≤x≤4}．（2）∵A={x|1≤x≤4}，B={x|m≤x≤m+2}，A∪B=A，∴B⊆A，当B=∅时，m＞m+2，无解；当B≠∅时，，解得1≤m≤2．∴m的取值范围是[1，2]．16．（14分）如图，在平行四边形ABCD中，P，Q分别是BC和CD的中点．（1）若AB=2，AD=1，∠BAD=60°，求•及cos∠BAC的余弦值；（2）若=λ+，求λ+μ的值．【解答】解：（1）∵平行四边形ABCD中，AB=2，AD=1，∠BAD=60°，∴•=•（+）=2+•=22+2×1×cos60°=5，||2=2=（+）2=2+2•+2=22+2×2×1×cos60°+1=7，∴||=，cos∠BAC===；（2）∵P，Q分别是BC和CD的中点．∴=+，=﹣，∵=λ+，∴+=λ（+）+μ（﹣），∴，解得：，∴λ+μ=17．（14分）已知函数y=f（x）是R上的偶函数，且当x≤0时，f（x）=log（1﹣x）+x．（1）求f（1）的值；（2）求函数y=f（x）的表达式，并直接写出其单调区间（不需要证明）；（3）若f（lga）+2＜0，求实数a的取值范围．【解答】解：（1）f（1）=f（﹣1）=﹣2；（2）令x＞0，则﹣x＜0，则f（﹣x）=（1+x）﹣x=f（x），故x＞0时，f（x）=（1+x）﹣x，故f（x）=；故f（x）在（﹣∞，0]递增，在（0，+∞）递减；（3）若f（lga）+2＜0，即f（lga）＜﹣2，lga＞0时，f（lga）＜f（1），则lga＞1，lga＜0时，f（lga）＜f（﹣1），则lga＜﹣1，故lga＞1或lga＜﹣1，解得：a＞10或0＜a＜．18．（16分）已知a∈R，函数f（x）=x2﹣2ax+5．（1）若a＞1，且函数f（x）的定义域和值域均为[1，a]，求实数a的值；（2）若不等式x|f（x）﹣x2|≤1对x∈[，]恒成立，求实数a的取值范围．【解答】解：（1）∵f（x）的图象开口向上，对称轴为x=a＞1，∴f（x）在[1，a]上单调递减，∴f（1）=a，即6﹣2a=a，解得a=2．（2）不等式x|f（x）﹣x2|≤1对x∈[，]恒成立，即x|2ax﹣5|≤1对x∈[，]恒成立，故a≥且a≤在x∈[，]恒成立，令g（x）=，x∈[，]，则g′（x）=﹣，令g′（x）＞0，解得：≤x＜，令g′（x）＜0，解得：＜x≤，故g（x）在[，）递增，在（，]递减，故g（x）max=g（）=，令h（x）=，x∈[，]，h′（x）=＜0，故h（x）在x∈[，]递减，h（x）min=h（）=7，综上：≤a≤7．19．（16分）如图所示，我市某居民小区拟在边长为1百米的正方形地块ABCD 上划出一个三角形地块APQ种植草坪，两个三角形地块PAB与QAD种植花卉，一个三角形地块CPQ设计成水景喷泉，四周铺设小路供居民平时休闲散步，点P 在边BC上，点Q在边CD上，记∠PAB=a．（1）当∠PAQ=时，求花卉种植面积S关于a的函数表达式，并求S的最小值；（2）考虑到小区道路的整体规划，要求PB+DQ=PQ，请探究∠PAQ是否为定值，若是，求出此定值，若不是，请说明理由．【解答】（本题满分为12分）解：（1）∵边长为1百米的正方形ABCD中，∠PAB=a，∠PAQ=，∴PB=100tanα，DQ=100tan（﹣α﹣）=100tan（﹣α），∴S花卉种植面积=S△ABP+S△ADQ==100×100tanα+100tan（﹣α）==，其中α∈[0，]，∴当sin（2α+）=1时，即θ=时，S取得最小值为5000（2﹣）．…（8分）（2）设∠PAB=α，∠QAD=β，CP=x，CQ=y，则BP=100﹣x，DQ=100﹣y，在△ABP中，tanα=，在△ADQ中，tanβ=，∴tan（α+β）==，∵PB+DQ=PQ，∴100﹣x+100﹣y=，整理可得：x+y=100+，∴tan（α+β）===1，∴α+β=，∴∠PAQ是定值，且∠PAQ=．﹣﹣﹣﹣﹣﹣﹣﹣﹣﹣﹣（12分）20．（16分）已知函数f（x）=sinxcosx+sin2x﹣．（1）求f（x）的最小正周期及其对称轴方程；（2）设函数g（x）=f（+），其中常数ω＞0，|φ|＜．（i）当ω=4，φ=时，函数y=g（x）﹣4λf（x）在[，]上的最大值为，求λ的值；（ii）若函数g（x）的一个单调减区间内有一个零点﹣，且其图象过点A（，1），记函数g（x）的最小正周期为T，试求T取最大值时函数g（x）的解析式．【解答】解：（1）函数f（x）=sinxcosx+sin2x﹣．化简可得：f（x）=sin2x﹣cos2x=sin（2x﹣）f（x）的最小正周期T=，由2x﹣=，（k∈Z），可得对称轴方程为：x=，（k∈Z）．（2）由函数g（x）=f（+）=sin（ωx+φ），（i）当ω=4，φ=时，函数y=g（x）﹣4λf（x）=sin（4x+）﹣4λsin（2x﹣）=cos（4x﹣）﹣4λsin（2x﹣）=1﹣2sin2（2x﹣）﹣4λsin（2x﹣）=﹣2[sin（2x﹣）+λ]2+1+2λ2．∵x∈[，]上，则2x﹣∈[0，]．故sin（2x﹣）∈[0，1]．当λ∈[﹣1，0]时，则有1+2λ2=，解得：λ=；当λ∈（0，+∞）时，sin（2x﹣）=0时，y取得最大值，此时﹣2[sin（2x﹣）+λ]2+1+2λ2=1，与题意不符．当λ∈（﹣∞，﹣1）时，sin（2x﹣）=1时，y取得最大值，此时﹣2[1+λ]2+1+2λ2=﹣1﹣4λ=，解得：λ=﹣，不在其范围内，故舍去．故得满足题意的λ的值为．（ii）函数g（x）=sin（ωx+φ），若函数的周期最大为T，单调减区间内有一个零点﹣，且其图象过点A（，1），则有==3π，解得：T=4π，∴ω==．点（，1）在图象上，可得：+φ=2kπ．∵|φ|＜．∴φ=﹣不符合题意．舍去．当==3π，解得：T=．∴ω=．点（，0）在图象上，+φ=﹣π+2kπ．∵|φ|＜．∴φ=，∴g（x）的解析式为：g（x）=sin（x﹣）点（，1）在图象上，验证：sin（）=sin=1符合题意．故得g（x）的解析式为：g（x）=sin（x﹣）．。

2015-2016学年江苏省南通市XX中学九年级（上）期末数学试卷一．选择题（本大题共10小题，每小题3分，共30分．在每小题所给出的四个选项中，恰有一项是符合题目要求的，请将正确选项的字母代号填涂在答．题．卡．相．应．位．置．上）1．同时抛掷两枚质地均匀的正方体骰子1次，下列事件中是不可能事件的是（）A．朝上的点数之和为13 B．朝上的点数之和为12C．朝上的点数之和为2 D．朝上的点数之和小于32．点A（﹣1，1）是反比例函数y=的图象上一点，则m的值为（）A．0 B．﹣2 C．﹣1 D．13．如图，四边形ABCD是⊙O的内接四边形，若∠B=110°，则∠ADE的度数为（）A．55° B．70° C．90° D．110°4．已知：如图，四边形ABCD是⊙O的内接正方形，点P是劣弧上不同于点C的任意一点，则∠BPC 的度数是（）A．45° B．60° C．75° D．90°5．如图，AB∥CD，AC、BD交于点O，若DO=3，BO=5，DC=4，则AB长为（）A．6 B．8 C．D．6．从1到9这九个自然数中任取一个，是偶数的概率是（）A．B．C．D．7．如图，已知△ADE 与△ABC 的相似比为1：2，则△ADE 与△ABC 的面积比为（ ）A ．1：2B ．1：4C ．2：1D ．4：18．为了估计池塘中鱼的数量，老张从鱼塘中捕获100条鱼，在每条鱼身上做好记号后把这些鱼放归池塘，过了一段时间，他再从池塘中随机打捞60条鱼，发现其中有15条鱼有记号，则池塘中鱼的条数约为（ ）A ．300B ．400C ．600D ．8009．如图是二次函数y=ax 2+bx+c 图象的一部分，图象过点A （﹣3，0），对称轴为直线x=﹣1，下列结论：①b 2＞4ac ；②2a +b=0；③a +b+c ＞0；④若B （﹣5，y 1）、C （﹣1，y 2 ）为函数图象上的两点，则y 1＜y 2．其中正确结论是（ ）A ．②④B ．①③④C ．①④D ．②③10．如图，在平面直角坐标系中，⊙O 的半径为1，且与y 轴交于点B ，过点B 作直线BC 平行于x 轴，点M （a ，1）在直线BC 上，若在⊙O 上存在点N ，使得∠OMN=45°，则a 的取值范围是（ ）A ．﹣1≤a ≤1B ．﹣C ．D ．二．填空题（本大题共8小题，每小题3分，共24分．不需写出解答过程，请把答案直接填写在答．题．卡．相．应．位．置．上）11．将函数y=2x2﹣1的图象向上平移1个单位长度，所得图象的函数解析式为．12．两个同学玩“石头、剪子、布”游戏，两人随机同时出手一次，平局的概率为．13．已知扇形的圆心角为120°，面积为12π，则扇形的半径是．14．已知二次函数y=ax2+bx+c中，函数y与自变量x的部分对应值如下表：x …﹣2 ﹣1 0 1 2 …y …﹣3 ﹣4 ﹣3 0 5 …则此二次函数的对称轴为．15．如图，AB是⊙O的直径，AB=10，C是⊙O上一点，OD⊥BC于点D，BD=4，则AC的长为．16．如图，在平行四边形ABCD中，点E是边AD的中点，EC交对角线BD于点F，则EF：FC= ．17．如图，点A是反比例函数图象上一点，过点A作AB⊥y轴于点B，点C、D在x轴上，且BC∥AD，四边形ABCD的面积为3，则这个反比例函数的解析式为．18．点 P（m，n）是反比例函数 y=图象上一动点，当n+3=2m时，点P恰好落在抛物线y=x2﹣2x ﹣3上，则k的值等于．三．解答题（本大题共10小题，共96分，请在答．题．卡．指．定．区．域．内作答，答时应写出必要的文字说明、证明过程或演算步骤）19．已知反比例函数y=（k为常数，k≠0）的图象经过点A（2，3）．（Ⅰ）求这个函数的解析式；（Ⅱ）判断点B（﹣1，6），C（3，2）是否在这个函数的图象上，并说明理由；（Ⅲ）当﹣3＜x＜﹣1时，求y的取值范围．20．已知二次函数 y=a（x﹣1）2﹣4 的图象经过点（0，﹣3）．（1）求这个二次函数的函数解析式；（2）当x取何值时，函数y的值随着 x 的增大而增大；（3）当x取何值时，函数的值为 0．21．在13×13的网格图中，已知△ABC和点M（1，2）．（1）以点M为位似中心，位似比为2，画出△ABC的位似图形△A′B′C′；（2）写出△A′B′C′的各顶点坐标．22．如图，在平面直角坐标系xOy中，已知一次函数 y=kx+b 的图象经过点 A（1，0），与反比例函数y=（ x＞0）的图象相交于点B（m，1）．①求m的值和一次函数的解析式；②结合图象直接写出：当x＞0 时，不等式kx+b＞的解集．23．某商场购进一批日用品，若按每件5元的价格销售，每月能卖出3万件；若按每件6元的价格销售，每月能卖出2万件，假定每月销售件数y（件）与价格x（元/件）之间满足一次函数关系．（1）试求y与x之间的函数关系式；（2）若这批日用品购进时单价为4元，则当销售价格定为多少时，才能使每月的利润最大？每月的最大利润是多少？24．如图，为了测量学校教学楼的高度，王芳同学在她的脚下放了一面镜子，然后向后退，直到她刚好在镜子中看到楼的顶部．如果王芳同学的身高是1.55m，她估计自己的眼睛距地面 AB=1.50m，同时量得 BE=30cm，BD=2.3m，这栋楼CD有多高？25．已知：如图，在△ABC中，AB=AC，点D是边BC的中点．以CD为直径作⊙O，交边AC于点P，连接BP，交AD于点E．（1）求证：AD是⊙O的切线；（2）如果PB是⊙O的切线，BC=4，求PE的长．26．王平同学为小明与小丽设计了一种游戏．游戏规则是：取 3 张数字分别是 2、3、4 的扑克牌，将牌洗匀后背面朝上放置在桌面上，第一次随机抽出一张牌记下数字后再按原样放回，洗匀后第二次再随机抽出一张牌记下数字，若抽出的两张牌上的数字之和为偶数，则小明胜；若两数字之和为奇数，则小丽胜．问这种游戏规则公平吗？请通过画树状图或列表说明理由．27．如图四边形ABCD中，AC平分∠DAB，∠ADC=∠ACB=90°，E为AB的中点．（1）求证：AC2=AB•AD；（2）求证：CE∥AD；（3）若 AD=8，AB=12，求的值．28．抛物线y=x2﹣x+2与x轴交于A、B两点，与y轴交于C，点P为抛物线上一动点，过点P 作PQ平行BC交抛物线于Q，P、Q两点间距离为m（1）求BC的解析式；（2）取线段BC中点M，连接PM，当m最小时，判断以点P、O、M、B为顶点的四边形是什么四边形；（3）设N为y轴上一点，在（2）的基础上，当∠OBN=2∠OBP时，求点N的坐标．2015-2016学年江苏省南通市XX中学九年级（上）期末数学试卷参考答案与试题解析一．选择题（本大题共10小题，每小题3分，共30分．在每小题所给出的四个选项中，恰有一项是符合题目要求的，请将正确选项的字母代号填涂在答．题．卡．相．应．位．置．上）1．同时抛掷两枚质地均匀的正方体骰子1次，下列事件中是不可能事件的是（）A．朝上的点数之和为13 B．朝上的点数之和为12C．朝上的点数之和为2 D．朝上的点数之和小于3【考点】随机事件．【分析】依据题意同时抛掷两枚质地均匀的正方体骰子1次，每个骰子上的数字最大是6，得出朝上的点数之和最大为12，进而判断即可．【解答】解：根据同时抛掷两枚质地均匀的正方体骰子1次，每个骰子上的数字最大是6，故朝上的点数之和最大为12，所以，朝上的点数之和为13是不可能事件，故选：A．【点评】本题考查了不可能事件概念，根据已知得出朝上的点数之和最大为12是解题关键．2．点A（﹣1，1）是反比例函数y=的图象上一点，则m的值为（）A．0 B．﹣2 C．﹣1 D．1【考点】反比例函数图象上点的坐标特征．【分析】把A点的坐标代入函数解析式可求得m的值．【解答】解：∵点A（﹣1，1）是反比例函数y=的图象上一点，∴1=，解得m=﹣1，故选C．【点评】本题主要考查函数图象上的点与函数的关系，掌握函数图象上点的坐标满足函数解析式是解题的关键．3．如图，四边形ABCD是⊙O的内接四边形，若∠B=110°，则∠ADE的度数为（）A．55° B．70° C．90° D．110°【考点】圆内接四边形的性质．【分析】先根据圆内接四边形的对角互补及邻补角互补得出∠ADC+∠B=180°，∠ADC+∠ADE=180°，然后根据同角的补角相等得出∠ADE=∠B=120°．【解答】解：∵四边形ABCD是⊙O的内接四边形，∴∠ADC+∠B=180°，∵∠ADC+∠ADE=180°，∴∠ADE=∠B．∵∠B=110°，∴∠ADE=110°．故选D．【点评】本题考查的是圆内接四边形的性质，熟知圆内接四边形对角互补的性质是解答此题的关键．4．已知：如图，四边形ABCD是⊙O的内接正方形，点P是劣弧上不同于点C的任意一点，则∠BPC 的度数是（）A．45° B．60° C．75° D．90°【考点】圆周角定理；正多边形和圆．【分析】连接OB、OC，首先根据正方形的性质，得∠BOC=90°，再根据圆周角定理，得∠BPC=45°．【解答】解：如图，连接OB、OC，则∠BOC=90°，根据圆周角定理，得：∠BPC=∠BOC=45°．故选A．【点评】本题主要考查了正方形的性质和圆周角定理的应用．这里注意：根据90°的圆周角所对的弦是直径，知正方形对角线的交点即为其外接圆的圆心．5．如图，AB∥CD，AC、BD交于点O，若DO=3，BO=5，DC=4，则AB长为（）A．6 B．8 C．D．【考点】平行线分线段成比例．【专题】计算题．【分析】根据平行于三角形的一边，并且和其他两边（或两边的延长线）相交的直线，所截得的三角形的三边与原三角形的三边对应成比例得到DO：BO=CD：AB，然后利用比例性质求AB．【解答】解：∵AB∥CD，∴DO：BO=CD：AB，即3：5=4：AB，∴AB=．故选C．【点评】本题考查了平行线分线段成比例：平行于三角形的一边，并且和其他两边（或两边的延长线）相交的直线，所截得的三角形的三边与原三角形的三边对应成比例．6．从1到9这九个自然数中任取一个，是偶数的概率是（）A．B．C．D．【考点】概率公式．【分析】先从1～9这九个自然数中找出是偶数的有2、4、6、8共4个，然后根据概率公式求解即可．【解答】解：1～9这九个自然数中，是偶数的数有：2、4、6、8，共4个，∴从1～9这九个自然数中任取一个，是偶数的概率是：．故选：B．【点评】本题考查了统计与概率中概率的求法．用到的知识点为：概率=所求情况数与总情况数之比．7．如图，已知△ADE与△ABC的相似比为1：2，则△ADE与△ABC的面积比为（）A．1：2 B．1：4 C．2：1 D．4：1【考点】相似三角形的性质．【分析】依据相似三角形面积的比等于相似比的平方，即可求解．【解答】解：△ADE与△ABC的面积比为（1：2）2=1：4．故选B．【点评】本题主要是考查对于相似三角形的面积比等于相似比的平方．8．为了估计池塘中鱼的数量，老张从鱼塘中捕获100条鱼，在每条鱼身上做好记号后把这些鱼放归池塘，过了一段时间，他再从池塘中随机打捞60条鱼，发现其中有15条鱼有记号，则池塘中鱼的条数约为（）A．300 B．400 C．600 D．800【考点】用样本估计总体．【分析】首先求出有记号的15条鱼在60条鱼中所占的比例，然后根据用样本中有记号的鱼所占的比例等于鱼塘中有记号的鱼所占的比例，即可求得鱼的总条数．【解答】解：由题意可得：100÷=400（条）．答：池塘中鱼的条数约为400条．故选：C．．【点评】本题考查了统计中用样本估计总体，表示出带记号的鱼所占比例是解题关键．9．如图是二次函数y=ax 2+bx+c 图象的一部分，图象过点A （﹣3，0），对称轴为直线x=﹣1，下列结论：①b 2＞4ac ；②2a +b=0；③a +b+c ＞0；④若B （﹣5，y 1）、C （﹣1，y 2 ）为函数图象上的两点，则y 1＜y 2．其中正确结论是（ ）A ．②④B ．①③④C ．①④D ．②③【考点】二次函数图象与系数的关系．【专题】二次函数图象及其性质．【分析】根据抛物线y=ax 2+bx+c 的对称轴x=﹣、△=b 2﹣4ac 的取值与抛物线与x 轴的交点的个数关系、抛物线与x 轴的交点与对称轴的关系及抛物线的特征进行分析判断．【解答】解：①由函数的图形可知，抛物线与x 轴有两个交点，∴b 2﹣4ac ＞0，即：b 2＞4ac ，故结论①正确；②∵二次函数y=ax 2+bx+c 的对称轴为直线x=﹣1，∴﹣=﹣1∴2a=b ，即：2a ﹣b=0，故结论②错误．③∵二次函数y=ax 2+bx+c 图象的一部分，图象过点A （﹣3，0），对称轴为直线x=﹣1， ∴二次函数与x 轴的另一个交点的坐标为（1，0），∴当x=1时，有a+b+c=0，故结论③错误；④∵抛物线的开口向下，对称轴x=﹣1，∴当x ＜﹣1时，函数值y 随着x 的增大而增大，∵﹣5＜﹣1则y 1＜y 2，则结论④正确故选【点评】本题考查了二次函数图象与系数的关系问题，解题的关键是理解并熟记抛物线的开口、顶点坐标、对称轴、与x轴的交点、与y轴的交点坐标与a、b、c的关系．10．如图，在平面直角坐标系中，⊙O的半径为1，且与y轴交于点B，过点B作直线BC平行于x 轴，点M（a，1）在直线BC上，若在⊙O上存在点N，使得∠OMN=45°，则a的取值范围是（）A．﹣1≤a≤1 B．﹣C．D．【考点】圆的综合题．【分析】由题意得出∠OBM=90°，当BM=OB=1时，△OBM是等腰直角三角形，则∠OMN=45°，此时a=±1；当BM＞OB时，∠OMN＜45°，即可得出结论．【解答】解：∵点M（a，1）在直线BC上，∴OB=1，∵BC∥x轴，∴BC⊥y轴，∴∠OBM=90°，当BM=OB=1时，△OBM是等腰直角三角形，则∠OMN=45°，此时a=±1；当BM＞OB时，∠OMN＜45°，∴a的取值范围是﹣1≤a≤1；故选：A．【点评】本题是圆的综合题目，考查了等腰直角三角形的判定与性质、圆的性质等知识；熟练掌握元的性质和等腰直角三角形的性质是解决问题的关键．二．填空题（本大题共8小题，每小题3分，共24分．不需写出解答过程，请把答案直接填写在答．题．卡．相．应．位．置．上）11．将函数y=2x2﹣1的图象向上平移1个单位长度，所得图象的函数解析式为y=（x﹣1）2﹣1 ．【考点】二次函数图象与几何变换．【分析】先确定二次函数y=2x2﹣1的顶点坐标为（0，﹣1），再把点（0，﹣1）向上平移1个单位长度得到点的坐标为（1，﹣1），然后根据抛物线的顶点式写出平移后的抛物线解析式．【解答】解：二次函数y=2x2﹣1的顶点坐标为（0，﹣1），把点（0，﹣1）向上平移1个单位长度得到点的坐标为（1，﹣1），所以所得的图象解析式为y=（x﹣1）2﹣1．故答案为：y=（x﹣1）2﹣1．【点评】本题考查了二次函数图象与几何变换：由于抛物线平移后的形状不变，故a不变，所以求平移后的抛物线解析式通常可利用两种方法：一是求出原抛物线上任意两点平移后的坐标，利用待定系数法求出解析式；二是只考虑平移后的顶点坐标，即可求出解析式．12．两个同学玩“石头、剪子、布”游戏，两人随机同时出手一次，平局的概率为．【考点】列表法与树状图法．【专题】计算题．【分析】画树状图展示所有9种等可能的结果数，再找出两人随机同时出手一次，平局的结果数，然后根据概率公式求解．【解答】解：画树状图为：共有9种等可能的结果数，其中两人随机同时出手一次，平局的结果数为3，所以两人随机同时出手一次，平局的概率==．故答案为．【点评】本题考查了列表法与树状图法：通过列表法或树状图法展示所有等可能的结果求出n，再从中选出符合事件A或B的结果数目m，然后根据概率公式求出事件A或B的概率．13．已知扇形的圆心角为120°，面积为12π，则扇形的半径是 6 ．【考点】扇形面积的计算．【分析】根据扇形的面积公式S=，得R=．【解答】解：根据扇形的面积公式，得R===6，故答案为6．【点评】本题考查了扇形面积的计算，属于基础题，解答本题的关键是能够灵活运用扇形的面积公式．14．已知二次函数y=ax2+bx+c中，函数y与自变量x的部分对应值如下表：x …﹣2 ﹣1 0 1 2 …y …﹣3 ﹣4 ﹣3 0 5 …则此二次函数的对称轴为x=﹣1 ．【考点】二次函数的性质．【分析】观察表格发现函数的图象经过点（﹣2，﹣3）和（0，﹣3），根据两点的纵坐标相同，说明两点关于对称轴对称，从而求解．【解答】解：观察表格发现函数的图象经过点（﹣2，﹣3）和（0，﹣3），∵两点的纵坐标相同，∴两点关于对称轴对称，∴对称轴为：x==﹣1，故答案为：x=﹣1．【点评】本题考查了二次函数的性质，了解（﹣2，﹣3）和（0，﹣3）两点关于对称轴对称是解决本题的关键．15．如图，AB是⊙O的直径，AB=10，C是⊙O上一点，OD⊥BC于点D，BD=4，则AC的长为 6 ．【考点】垂径定理；勾股定理；三角形中位线定理；圆周角定理．【分析】根据垂径定理求出BC，根据圆周角定理求出∠C=90°，根据勾股定理求出即可．【解答】解：∵OD⊥BC，OD过O，BD=4，∴BC=2BD=8，∵AB是直径，∴∠C=90°，在Rt△ACB中，AB=10，BC=8，由勾股定理得：AC==6，故答案为：6．【点评】本题考查了垂径定理，勾股定理的应用，主要考查学生运用定理进行推理和计算的能力，题目比较典型，难度适中．16．如图，在平行四边形ABCD中，点E是边AD的中点，EC交对角线BD于点F，则EF：FC= 1：2 ．【考点】相似三角形的判定与性质；平行四边形的性质．【分析】利用平行四边形的性质得出AD∥BC，AD=BC，进而得出△DEF∽△DCF，再利用相似三角形的判定与性质得出答案．【解答】解：∵四边形ABCD是平行四边形，∴AD∥BC，AD=BC，∴△DEF∽△DCF，∴，∵点E是边AD的中点，∴DE=AE=AD=BC，∴．故答案为：1：2．【点评】此题主要考查了平行四边形的性质以及相似三角形的判定与性质等知识，得出△DEF∽△BCF 是解题关键．17．如图，点A是反比例函数图象上一点，过点A作AB⊥y轴于点B，点C、D在x轴上，且BC∥AD，四边形ABCD的面积为3，则这个反比例函数的解析式为y=﹣．【考点】反比例函数系数k的几何意义．【分析】过A点向x轴作垂线，与坐标轴围成的四边形的面积是定值|k|，由此可得出答案．【解答】解：过A点向x轴作垂线，如图：根据反比例函数的几何意义可得：四边形ABCD的面积为3，即|k|=3，又∵函数图象在二、四象限，∴k=﹣3，即函数解析式为：y=﹣．故答案为：y=﹣．【点评】此题考查了反比例函数的几何意义，解答本题关键是掌握在反比例函数中k所代表的几何意义，属于基础题，难度一般．18．点 P（m，n）是反比例函数 y=图象上一动点，当n+3=2m时，点P恰好落在抛物线y=x2﹣2x ﹣3上，则k的值等于20 ．【考点】反比例函数图象上点的坐标特征；二次函数图象上点的坐标特征．【分析】根据反比例函数图象上点的坐标特征、二次函数图象上点的坐标特征以及n+3=2m，即可得出关于k、m、n的三元一次方程组，解方程组即可得出结论．【解答】解：由已知得：，解得：或（舍去）．故答案为：20．【点评】本题考查了反比例函数图象上点的坐标特征、二次函数图象上点的坐标特征以及解三元一次方程组，解题的关键是找出关于k、m、n的三元一次方程组．本题属于基础题，难度不大，解决该题型题目时，根据反比例函数与二次函数图象上点的坐标特征找出方程组是关键．三．解答题（本大题共10小题，共96分，请在答．题．卡．指．定．区．域．内作答，答时应写出必要的文字说明、证明过程或演算步骤）19．已知反比例函数y=（k为常数，k≠0）的图象经过点A（2，3）．（Ⅰ）求这个函数的解析式；（Ⅱ）判断点B（﹣1，6），C（3，2）是否在这个函数的图象上，并说明理由；（Ⅲ）当﹣3＜x＜﹣1时，求y的取值范围．【考点】待定系数法求反比例函数解析式；反比例函数的性质；反比例函数图象上点的坐标特征．【分析】（1）把点A的坐标代入已知函数解析式，通过方程即可求得k的值．（Ⅱ）只要把点B、C的坐标分别代入函数解析式，横纵坐标坐标之积等于6时，即该点在函数图象上；（Ⅲ）根据反比例函数图象的增减性解答问题．【解答】解：（Ⅰ）∵反比例函数y=（k为常数，k≠0）的图象经过点A（2，3），∴把点A的坐标代入解析式，得3=，解得，k=6，∴这个函数的解析式为：y=；（Ⅱ）∵反比例函数解析式y=，∴6=xy．分别把点B、C的坐标代入，得（﹣1）×6=﹣6≠6，则点B不在该函数图象上．3×2=6，则点C在该函数图象上；（Ⅲ）∵当x=﹣3时，y=﹣2，当x=﹣1时，y=﹣6，又∵k＞0，∴当x＜0时，y随x的增大而减小，∴当﹣3＜x＜﹣1时，﹣6＜y＜﹣2．【点评】本题考查了反比例函数图象的性质、待定系数法求反比例函数解析式以及反比例函数图象上点的坐标特征．用待定系数法求反比例函数的解析式，是中学阶段的重点．20．已知二次函数 y=a（x﹣1）2﹣4 的图象经过点（0，﹣3）．（1）求这个二次函数的函数解析式；（2）当x取何值时，函数y的值随着 x 的增大而增大；（3）当x取何值时，函数的值为 0．【考点】待定系数法求二次函数解析式．【分析】（1）二次函数 y=a（x﹣1）2﹣4 的图象经过点（0，﹣3），可以求得a的值，从而可以求得这个二次函数的解析式；（2）根据（1）中的结果可以求得当x取何值时，函数y的值随着 x 的增大而增大；（3）将y=0代入（1）中的解析式，可以求得x的值．【解答】解：（1）因为二次函数 y=a（x﹣1）2﹣4 的图象经过点（0，﹣3），∴﹣3=a（0﹣1）2﹣4，得a=1，即这个二次函数的解析式是：y=（x﹣1）2﹣4；（2）∵y=（x﹣1）2﹣4，1＞0，∴当x＞1时，y随x的增大而增大；（3）将y=0代入y=（x﹣1）2﹣4，得0=（x﹣1）2﹣4，解得，x1=﹣1，x2=3，即当x=﹣1或x=3时，函数的值为 0．【点评】本题考查待定系数法求二次函数解析式，解题的关键是明确题意，找出所求问题需要的条件．21．在13×13的网格图中，已知△ABC和点M（1，2）．（1）以点M为位似中心，位似比为2，画出△ABC的位似图形△A′B′C′；（2）写出△A′B′C′的各顶点坐标．【考点】作图-位似变换．【专题】作图题．【分析】（1）利用位似图形的性质即可位似比为2，进而得出各对应点位置；（2）利用所画图形得出对应点坐标即可．【解答】解：（1）如图所示：△A′B′C′即为所求；（2）△A′B′C′的各顶点坐标分别为：A′（3，6），B′（5，2），C′（11，4）．【点评】此题主要考查了位似图形的性质，利用位似图形的性质得出对应点坐标是解题关键．22．如图，在平面直角坐标系xOy中，已知一次函数 y=kx+b 的图象经过点 A（1，0），与反比例函数y=（ x＞0）的图象相交于点B（m，1）．①求m的值和一次函数的解析式；②结合图象直接写出：当x＞0 时，不等式kx+b＞的解集．【考点】反比例函数与一次函数的交点问题．【分析】（1）由点B的坐标结合反比例函数图象上点的坐标特征，即可求出m值，由此即可得出点B的坐标，根据点A、B的坐标利用待定系数法即可求出一次函数的解析式；（2）根据两函数图象的上下位置关系结合交点坐标即可得出不等式的解集．【解答】解：（1）∵点B（m，1）在反比例函数y=（ x＞0）的图象上，∴1=，∴m=2．将点A（1，0）、B（2，1）代入y=kx+b 中，得：，解得：，∴一次函数的解析式为y=x﹣1．（2）观察函数图象发现：在第一象限内，当x＞2时，一次函数图象在反比例函数图象的上方，∴当x＞0 时，不等式kx+b＞的解集为x＞2．【点评】本题考查了反比例函数与一次函数的交点问题、反比例函数图象上点的坐标特征以及待定系数法求函数解析式，解题的关键是：（1）利用待定系数法求出函数解析式；（2）根据函数图象的上下位置关系解不等式．本题属于基础题，难度不大，解决该题型题目时，根据点的坐标利用待定系数法求出函数解析式是关键．23．某商场购进一批日用品，若按每件5元的价格销售，每月能卖出3万件；若按每件6元的价格销售，每月能卖出2万件，假定每月销售件数y（件）与价格x（元/件）之间满足一次函数关系．（1）试求y与x之间的函数关系式；（2）若这批日用品购进时单价为4元，则当销售价格定为多少时，才能使每月的利润最大？每月的最大利润是多少？【考点】二次函数的应用．【分析】（1）利用待定系数法求得y与x之间的一次函数关系式；（2）根据“利润=（售价﹣成本）×售出件数”，可得利润W与销售价格x之间的二次函数关系式，然后求出其最大值．【解答】解：（1）由题意，可设y=kx+b（k≠0），把（5，30000），（6，20000）代入得：，解得：，所以y与x之间的关系式为：y=﹣10000x+80000；（2）设利润为W元，则W=（x﹣4）（﹣10000x+80000）=﹣10000（x﹣4）（x﹣8）=﹣10000（x2﹣12x+32）=﹣10000[（x﹣6）2﹣4]=﹣10000（x﹣6）2+40000所以当x=6时，W取得最大值，最大值为40000元．答：当销售价格定为6元时，每月的利润最大，每月的最大利润为40000元．【点评】本题主要考查利用函数模型（二次函数与一次函数）解决实际问题的能力．要先根据题意列出函数关系式，再代数求值．解题关键是要分析题意根据实际意义求解．注意：数学应用题来源于实践用于实践，在当今社会市场经济的环境下，应掌握一些有关商品价格和利润的知识．24．如图，为了测量学校教学楼的高度，王芳同学在她的脚下放了一面镜子，然后向后退，直到她刚好在镜子中看到楼的顶部．如果王芳同学的身高是1.55m，她估计自己的眼睛距地面 AB=1.50m，同时量得 BE=30cm，BD=2.3m，这栋楼CD有多高？【考点】相似三角形的应用．【专题】应用题．【分析】先计算出DE=BD﹣BE=2m，再利用入射角与反射角的关系得到∠AEB=∠CED，则可判断△ABE ∽△CDE，然后利用相似比得到=，再利用比例性质求出CD即可．【解答】解：根据题意得AB=1.50m，BE=0.3m，DE=BD﹣BE=2.3m﹣0.3m=2m，∵∠AEB=∠CED，而∠ABE=∠CDE=90°，∴△ABE∽△CDE，∴=，即=，∴CD=10（m）．答：这栋楼CD有10m高．【点评】本题考查了相似三角形的应用：借助标杆或直尺测量物体的高度．利用杆或直尺测量物体的高度就是利用杆或直尺的高（长）作为三角形的边，利用视点和盲区的知识构建相似三角形，用相似三角形对应边的比相等的性质求物体的高度．25．已知：如图，在△ABC中，AB=AC，点D是边BC的中点．以CD为直径作⊙O，交边AC于点P，连接BP，交AD于点E．（1）求证：AD是⊙O的切线；（2）如果PB是⊙O的切线，BC=4，求PE的长．【考点】切线的判定；相似三角形的判定与性质．【专题】证明题．【分析】（1）根据等腰三角形的性质由AB=AC，点D是边BC的中点得到AD⊥BC，然后根据切线的判定定理即可得到AD是⊙O的切线；（2）连结OP，由于AD是⊙O的切线，PB是⊙O的切线，根据切线长定理得PE=DE，根据切线的性质得OP⊥PE，易证得△BDE∽△BPO，则，由于BC=4，得到CD=BD=2，则OP=1，OB=3，利用勾股定理计算出BP==2，然后利用相似比可计算出DE=，所以PE=．【解答】（1）证明：∵AB=AC，点D是边BC的中点，∴AD⊥BC，∴AD是⊙O的切线；（2）解：连结OP，如图，∵AD是⊙O的切线，PB是⊙O的切线，∴PE=DE，OP⊥PE，∴∠BPO=90°，∴∠BPO=∠ADB=90°，而∠DBE=∠PBO，∴△BDE∽△BPO，∴，∵BC=4，∴CD=BD=2，∴OP=1，OB=3，∴BP===2，∴DE==，∴PE=DE=．【点评】本题考查了切线的判定定理：经过半径的外端且垂直于这条半径的直线是圆的切线．也考查了相似三角形的判定与性质和等腰三角形的性质．26．王平同学为小明与小丽设计了一种游戏．游戏规则是：取 3 张数字分别是 2、3、4 的扑克牌，将牌洗匀后背面朝上放置在桌面上，第一次随机抽出一张牌记下数字后再按原样放回，洗匀后第二次再随机抽出一张牌记下数字，若抽出的两张牌上的数字之和为偶数，则小明胜；若两数字之和为奇数，则小丽胜．问这种游戏规则公平吗？请通过画树状图或列表说明理由．【考点】游戏公平性；列表法与树状图法．【分析】游戏是否公平，关键要看是否游戏双方赢的机会是否相等，即判断双方取胜的概率是否相等，或转化为在总情况明确的情况下，判断双方取胜所包含的情况数目是否相等．【解答】解：如图所示：。

南通市启秀中学2017-2018学年度第一学期期末考试初一英语试卷满分：150分考试时间：120分钟I卷（90分）一、听力（每小题1分，共20分，略）二、选择题（每小题1分，共15分）21.There is _______ “o”,_______”u” and _______ ”r” in the word “our”.A a,a,anB an,an,anC an,an,aD an,a,an22. The hair clip_______ ＄35,but she has only ＄20 to _______.A.spends,spendB.takes,spend C costs,spend D.costs,pay23.There _______ some milk and eggs on the table.A.is notB.aren’t C is D are24.My family always _______ a party _______ the evening of 31st October.A.have；inB.has；inC.has；onD.have；on25._______ the students will go to Nanshan Park for the picnic.A.Two hundredsB.Two hundreds ofC.Two hundred ofD.Two hundred26.Look!The young girl is dressing up _______ an old woman _______ a black coat.A.as.inB.as,ofC.in,asD.in,of27.I would like tea _______ nothing in it.A.hasB.haveC.withoutD. with28._______a bright boy he is！=_______ bright the boy is！A How,What B.What,How C.How,Which D.Who,How29.Eating too many candies _______ not good for your health.A.isB.areC.haveD.has30.The bookshop is in _______ Street. He often goes there to buy books.A.fifthB.the fifithC.FifthD.the Fifth31.The activity is _______. And we send _______ to the children in poor areas.A.enough meaningful, enough foodB.enough meaningful, food enoughC.meaningful enough, enough foodD.meaningful enough, food enough32.---_______ is it from your school to the library?---It’s about ten minutes’ walk.A.How longB.How muchC.How soonD.How far33. ---Is there _______ in today’s newspaper?---No.A.something interestingB.interesting somethingC.anything interestingD.interesting anything34. I like wearing the clothes made of _______ silk. They feel smooth.A.area made ofB.are made fromC.made ofD.made from35.---Happy New Year!---_______.A.Thank you.B.The same to you.C.That’s all right.D.Not at all.三、完形填空（每小题1分，共15分）In China,Spring Festival is the most important of all the holidays in the year.Two important things 36 to make this holiday different from all others:giving presents and spending it 37 the family.Many weeks 38 Spring Festival,we know it is coming.In the 39 goods for this special holiday appear and outside them the special New Year decorations.The advertisements 40 all the newspapers tell us that there are "Only five 41 shopping days to Spring Festival". 42 you go,you will realize that Spring Festival,which comes "only 43 a year",is coming again.Giving 44 to one's family is a very sweet custom(风俗).The spirit behind the present matters most,not the present 45 .It is good at Spring Festival to 46 to the family home and meet parents,grandparents and as many aunts,uncles and cousins as possible.In the past, 47 New Year's Eve,all the members of a family 48 stay at home making dumplings together. 49 many people enjoy watching TV.During the day,children wear their new clothes.The evening is usually spent in games,talking,more eating and 50 .36.A.help B.want C.get D.hope37.A.in B.on C.at D.with38.A.after B.before C.during D.at39.A.towns B.schools C.shops D.restaurants40.A.on B.in C.from D.above41.A.other B.fewer C.another D.more42.A.Where B.Wherever C.Whatever D.How43.A.a time B.twice C.one D.once44.A.money B.presents C.wishes D.cards45.A.itself B.themselves C.by itself D.either46.A.go e C.return D.turn47.A.in B.at C.on D.by48.A.would B.might C.could D.have to49.A.Now B.But C.And D.So50.A.sleeping B.playing C.running D.drinking四、阅读理解（每小题2分，共40分）A51.Where do you probably read these two letters？A. In a magazine.B. In a book.C. In a guide-book.D. On a website.52. Li Hong thinks many students like to bring the high-tech things to school because _______.A. they like to listen to musicB. mobile phones are useful for their studiesC. they want to show off these thingsD. they want to contact with their classmates53. From the passage we know that _______.A. Li Hong has many high-tech things like her classmatesB. American students often use their own money to buy the high-tech thingsC. Chinese students work during the holidays to buy the high-tech thingsD. all the high-tech things are useful for the studentsdoesn"t like to use his head, so he knows little. He has to do some unskilled work. He always says he"s tired and hopes to have a good rest. So he gets less money than others.Winter is coming. The workers are getting ready for the next year. Only Henry does nothing. The farmer tells him to cut down some trees in the forest. The young man has to go there with a chair. He feels lonely in the forest and is afraid of the animals. So he looks around and sings loudly. Nobody knows what he"s singing.After three days, Henry doesn"t cut down any trees. The farmer feels strange. He wants to find out how the young man is working there. To his anger, Henry is sitting on the chair, cutting the tree. "Why are you sitting here to cut the trees?" asks the farmer. "Because I can"t work if lying , sir."54. Henry gets less money because______.A. he sleeps moreB. he does some unskilled workC. he isn"t polite to the farmerD. he eats more55. Henry has to cut down the trees because______.A. he can do nothing except(除……以外）itB. he likes to stay in the quiet forestC. he can’t get on well with othersD. he is very strong56. Henry hopes to ______ .A. make the farmer happyB. get helpC. lie down in the forestD. cut down more treesCAlmost everyone likes to eat apples. Apples trees grow in nearly every part of the world. The United States produces more apples than any other country except France. The states of Washington and New York grow the most apples. Apples are red, yellow or green. They are very popular in the United States. Many people like to carry apples to work or to school to eat with their lunches. Most American people are often too busy or too tired to cook dinner, so they often have their dinners very simply (简单地). Apple juice is also a popular drink and apple pie is the favorite dessert for many Americans.The state of Washington is proud of its apples. The trees there produce about five billion apples every year-nearly one apple for every man, woman and child in the whole world.57.________ produces the most apples in the world.A. The United StatesB. CanadaC. ChinaD. France58.Many Americans like to eat apples during lunch because they__________ at noon.A. eat nothing but applesB. feel it better to eat applesC.always eat simple foodD. can get apples easily59. "The trees there produce about five billion apples every year." One billion is_____.A. 100,000B. 1,000,000C. 10,000,000D. 1,000,000,00060. The state of Washington is proud of its apples because they think ________.A. everyone in the world can share (分享) their happinessB. they can produce as many apples as people all over the worldC. their apples are better than any of the other fruitsD. their apple trees are the best in the worldDAustralia is the greatest island in the world．It is to the south of the equator．So when it is summer in our country, it is cold winter in Australia．Australia is big, but the population(人口)there is thin．The population is the same as that of Shanghai, a city of China．Australia is young and diverse nation and Australian people come from many different countries．Australia has many, many sheep．After a short drive from town, you will see sheep around you．You can also find kangaroo has a“bag”below its chest．The mother kangaroo keeps its baby in the“bag”．Australia is considered to be a relaxed, informal society(社会)．When greeting others, students and young people say“Hello”or“Hi”．Sometimes they will say“How's it going?”or“Good day”．In more formal(正式的)situations they usually shake hands the first time they meet．“Good morning”,“Good afternoon”or“Pleased to meet you”are formal greetings．English is Australia's national language．61.Australia is the greatest island in the world．The word“island”may mean ________．A．国家B．城市C．山脉D．岛屿62.Australia has the same population as ________．A．Shanghai B．China C．Beijing D．Japan63.When it is summer in Australia, it is ________ in China．A．spring B．autumn C．winter D．summer64.When Australian people meet for the first time, they will ________．A．kiss each other B．hug each otherC．nod bead to others D．shake hands65.Which statement is right, according to the passage?A．Australia has a large population．B．Kangaroo is a kind of sheep in Australia．C．Young people always say“How's it going?”or“Good day”to greet others．D．When you drive in Australia, you can see many horses．EThe following are four kinds of medicine at home. We should know how to use them. Never make any mistakes.(1) Take the medicine with water. One pill (片) every eight hours. For further nighttime and everymorning, take two pills at bed time. Don't take more than six pills in 24 hours. For children six or twelveyears old, give half the adult dosage (剂量). For children under six years old, go to ask your doctor. Takeless dosage if restlessness or sleeplessness happens.(2) Each pill of the medicine is taken three times each day for persons more than 14 years old. As usual,a pill 6:00 a. m. before breakfast, one before 11:00 and one before sleep. Not for children under six yearsold and old persons with heart trouble.(3) The medicine is for a person with a cough. Once two pills a day before sleep for adult. Not take the medicine without cough. Half for children under 12 years old. Children with a bad cough, go to see a doctor.(4) The medicine is taken three times a day. Once five pills for an adult with a cold. Half the pills forchildren under 10 years old. Take the medicine before three meals or before sleep.66.If a person can't rest and sleep very well after taking the first kind of medicine, he should ________.A. take less dosageB. take more dosageC. take two pills at bed timeD. take it again without water67.If a middle-aged person with a cough wants to be well at home, he'd better ________.A. take three pills before sleepB. stop to take some more pillsC. go to see the doctorD. take two pills of the third kind of medicine before sleep68.________ can't take the second kind of medicine.A. Children over 12 years oldB. Some adults 18 years oldC. Some old persons with heart troubleD. Child over 7 years old69.When an adult has a cold, he had better ________.A. have about over 14 pills of the fourth kind of medicine a dayB. have six pills of the fourth kind of medicine twice a dayC. have five pills of the fourth kind of medicine four times a dayD. have nine pills a day70.Which of the following is true?A. None of them are good for children under 6.B. Three kinds of the medicine should be taken 3 times a day.C. Three kinds of the medicine should be taken before sleep.D. None is for a cold.Ⅱ卷（60分）五、词汇（每小题1分，共15分）A.请根据括号中的中文提示、英文释义或句意，写出所缺单词，使句子通顺。

南通市启秀中学2015—2016学年度第一学期期末考试初一英语试卷满分： 150分考试时间： 120分钟I卷（90分）一、听力部分（每小题1分，共20分）A. 听对话，选择合适的图画或答案，每段对话读两遍。

( ) 1. What does the woman want to buy?( ) 2. When is the Open Day?( ) 3. How does Millie usually go to school?( ) 4. What’s Andy doing now?() 5. What lesson does Sandy have on Tuesday and Thursday?A. History.B. Biology.C. Geography.( ) 6. What colour does the girl like best?A. Red.B. Yellow.C. Blue.( ) 7. Where are they talking now?A. In a library.B. In a restaurant.C. In a bookshop. ( ) 8. How much does the woman pay (付钱) for the basketball cards?A. 2 yuan.B. 5 yuan.C. 10 yuan.( ) 9. What does Tommy like to do at weekends?A. Visit the museums.B. Go on picnics.C. Fly kites.( ) 10. What does Simon usually have for breakfast?A. Baozi.B. A bowl of noodles.C. Bread and juice.B. 听对话或短文，选择正确的答案，每段对话或短文读两遍。

一、选择题（每题5分，共50分）1. 下列各数中，有理数是（）A. √2B. πC. -3D. √-12. 若a，b是实数，且a+b=0，则下列结论正确的是（）A. a=0，b≠0B. b=0，a≠0C. a，b都不为0D. a，b均为03. 已知函数f(x)=2x-3，则f(-1)的值为（）A. -5B. -1C. 1D. 54. 在等腰三角形ABC中，AB=AC，若∠BAC=40°，则∠ABC的度数为（）A. 40°B. 50°C. 60°D. 70°5. 下列各组数中，成等差数列的是（）A. 1，3，5，7B. 2，4，8，16C. 1，2，4，8D. 1，4，9，166. 已知等差数列{an}的首项为a1，公差为d，则第n项an=（）A. (a1 + d) × nB. (a1 - d) × nC. (a1 + d) × (n - 1)D. (a1 - d) × (n - 1)7. 若函数f(x)=x^2-4x+4在区间[1,3]上单调递增，则x的取值范围是（）A. x≤1B. 1<x≤2C. 2<x≤3D. x>38. 已知正方体ABCD-A1B1C1D1的棱长为a，则体积V=（）A. a^3B. a^2C. aD. 2a9. 在平面直角坐标系中，点P(2,3)关于直线y=x的对称点为（）A. (3,2)B. (2,3)C. (-3,-2)D. (-2,-3)10. 若等比数列{an}的首项为a1，公比为q，则第n项an=（）A. a1q^(n-1)B. a1q^(n+1)C. a1q^(n-2)D. a1q^(n+2)二、填空题（每题5分，共50分）11. 若等差数列{an}的首项为a1，公差为d，则第n项an=__________。

12. 若函数f(x)=ax^2+bx+c在区间[-1,1]上单调递减，则a__________，b__________。