九年级英语同步练习题

2024-05-07

九年级英语同步练习题(精选6篇)

篇1:九年级英语同步练习题

中考英语练习宾语从句状语从句专项训练

一、单项选择:

1、Do you know how much hot water ? A.Mum is needed B.does Mum need C.Mum needs D did Mum need

2、Can you tell me ? A.where he is B.where is he C.he is where D.what is he

3、I didn’t know how to London? A.would they go B.are they going C.they would go D.they are going

4、I want to know how long A.has he been back B.has he come back C.he has been back D.he has come back

5、Do you know ? A.what the news are B.what is the news C.what the news is D.what are the news

6、He said he would help me with my maths if he free.A.was B.will be C.would be D.is

7、He will write to you as soon as he to Shanghai.A.gets B.is getting C.will get D.shall get

8、Father music when he young

A.liked…was B.liked…is C.likes…was D.likes…is

9、I liked sports I was young.A.so much as B.so much that C.very much when D.very much because

10、mother got home, I was tidying my room.A. After B.When C.As soon as D.Before

11、The teacher didn’t begin her class the students stopped talking.A.until B.because C.after D.when

12、If it tomorrow, we’ll go to the Great wall.A.doesn’t rain B.won’t rain C.not rains D.isn’t rain

13、Could you tell me we get to the plane? A.how B.whether C.where D.what

14、When they got to the cinema the film for ten minutes.A.had been on B.has begun C.began D.had begun

15、The teacher says she will leave a message on the headmaster’s desk.A.if B.who C that D.what

16、Lucy looks stronger Lily.A.than B.as C.then D.not as

17、I know nothing about it he told me.A.because B.since C.until D.after

18、You must make your new house clean and safe you move in.A.because B.when C.before D.until

19、I was tired I couldn’t walk on.A.so…that B.too…to C.very…that D.very…to

20、I thought he to see his mother if he ______ time.A. will go…has B. will go …will haVE C. would go …would have D. would go …had

二、用所给动词的正确形式填空:

1、I won’t return the book to the library because I(not finish)reading it.2、As soon as he saw me, he to speak to me.(stop)

3、I hope he(come)back in a week.4、It(rain)hard when I got to the factory this morning.5、The old man told the children(not walk)in the rice fields.6、He told me he(help)her with her maths the next evening.7、She said they(know)each other for quite some time.8、If it(not rain)tomorrow, we(visit)the Palace’s Museum.9、John(write)something when I(go)to see him.10、Our teacher told us that light(travel)much faster than sound.11、When I got to the cinema, the film(begin)

12、Mike asked me if we(ask)any questions the next class.13、Will you come and stay with us for a while when you(finish)doing your homework?

14、Comrade Wang didn’t know if there(be)an English evening that day.15、Please tell me if she(come)again next time.

篇2:九年级英语同步练习题

参考答案 Unit 5 Topic 1 Section A I.1.lies in 2.all over the world 3.fetch, for 4.in detail 5.introduced, to 6.places of interest II.A)1.the number of,a number of 2.The number of B)1.millions of 2.million 3.Millions of C)1.bring 2.carrying 3.take 4.fetch 5.take D)1.listened, heard 2.listening to III.1.This is the book that you are looking for.2.This is the place that I visited last year.3.Do you like the house that he lives in? 4.It’s the most interesting film that we have watched.Section B I.1.heard of 2.the northeast of 3.worth reading 4.the home of 5.home and abroad 6.lose themselves in II.1-5CEADB III.A)1.excited 2.excited, exciting;B)1.too,to 2.enough to 3.so, that;C)1.because of 2.Because of 3.because Section C I.Hong Kong:Disneyland,VictoriaPeak Macao:MazuTemple, Ruins ofSt.Paul Taiwan:SunMoonLake,MountAli Tibet: Potala Palace, Jokhang Temple II.1.serve as 2.is known as 3.regard as 4.connects with 5.is considered as III.1-5 BBABC Section D I.1.rather 2.Giraffes 3.license 4.enemies 5.thick, below II.1-6 BACCAC III.HainanProvincelies in the southern part ofChina.Haikouis the capital, and it is the biggest city ofHainanProvince.Hainanhas a population of more than 800 million.There are many places of interest, Five-finger Mountains, Wanquan River and so on.It’s well known for “the end of the sky and the rim of the sea(Tianyahaijiao)”.Hainan is a famous place of interest inChinafor its golden beaches, blue sea, etc.You can go swimming or surfing.The weather is neither too hot in summer nor too cold in winter.People inHainanare really friendly.They often invite their friends home to share delicious fruits and food, such as coconuts, Wenchang Chicken, seafood.If you want to know more aboutHainan, please visit it yourself.Unit 5 Topic 2 Section A I.1.searching for 2.passed away 3.In his twenties 4.Learn the new while review the old.5.in the field of education 6.the rest of her life 7.came to an end II.1.At the age of 2.How long, last 3.who teaches 4.whose window III.1.is short for 2.useful 3.smaller 4.addresses 5.to send IV 1.不劳则不获。2.滴水穿石。3.以眼还眼,以牙还牙。4.患难朋友才是真朋友。5.好的开始是成功的一半。Section B I.1.illness 2.fifties 3.thinker, thought 4.telling 5.pride 6.took II.1.died of 2.more and more interested 3.the pride of 4.the person named 5.are proud of III.1-5 BCCBA 6-10 BCACB Section C I.1.more and more 2.In order to 3.brought down 4.set up II.1-5 CCBAB Section D I.1.leader 2.safety 3.owner 4.instructions 5.Wait II 1-5 BCBAA III.1.I’m reading the book which is about Bill Gates.2.The teacher praised the student whose English is the best in our class.3.I don’t like the man who is smoking.4.The dumplings that you cooked were delicious.IV.Li Shizhen was a Ming dynasty expert who studied Chinese medicine.In 1518 he was born inHubei.Li Shizhen often saw that people fell ill.He decided to study medicine so that he could help people who were ill.He read many books about medicine.He found many of the old medical books were full of mistakes.So he wished to write a new one.He did his best to study medical science.He studied not only the herbs in his own garden, but also the wild ones.He always went on long journeys to collect herbs and talked with old peasants.He learned a lot from the working people.After many years of hard work and study, Li Shizhen finished his great works Ben Cao Gang Mu.At that time he was sixty.His book is now one of the greatest contributions of the Chinese people to the medical science of the world.In 1593, Li Shizhen passed away.Unit 5 Topic 3 Section A I.1.By the way 2.show, around 3.the year of 4.a symbol of 5.plays a, important part II.1-5 ABCBA III.1.held 2.from 3.five 4.different 5.ones 6.and 7.countries 8.built Section B I.1.chess 2.thirsty 3.tail 4.correct 5.hungry II.1.I can’t sing as well as my brother.2.She is neither a doctor nor a

nurse.3.My mother doesn’t like watching TV at all.4.The war broke out in 1937.5.We can search for them on the Internet.6.He set up this school in memory of his wife who has been dead.III.1-5 EDBCA Section C I.1.in memory of 2.the home of 3.along with 4.are similar to II.1.Neither, nor 2.Not only, but also 3.both, and 4.Either,or III.1-5 CBBCA Section D I.1-5 BABBB II.1-5 ABBBB 6-10 AABBB III.As we all know, paper-making is one of the four most important inventions in ancientChina.During the Western Han dynasty it was made in some places inChina.It was developed in the Eastern Han dynasty by Cai Lun.After he had done many experiments, Cai Lun made paper with bark, ropes, rags and so on.Nowadays, paper is very useful in our work, study and our daily life.We can use it to write, paint, print books and so on.Unit 6 Topic 1 Section A I.1.would rather, than 2.fell in love with 3.some day 4.In his spare time 5.is good at II.1-5 CAAAB III.1.So does 2.It is, to learn 3.how to get 4.prefer to watching Section B I.1.between 2.in 3.on 4.at 5.of, about II.1.Are you interested in the film Avatar? 2.Mingming is always ready to help others.3.He depends on his parents all the time.4.From now on you must take good care of yourselves.5.The heavy rain lasted a week.III.1-5 CBBBA Section C I.1.Every dog has its day.2.the national flag 3.pay attention to 4.on the other hand II.1.voice 2.surprise 3.honest 4.sudden III.1-5 ABABC IV.1-5 CEDAB Section D I.1.depends on 2.Keep away from 3.stand for 4.be angry at 5.would rather, than II.1-5 ABCCA 6-10 CABBC III.Television has an influence on our life.Some programs on TV are very important and useful.We can learn a lot from it.For example, the news tells us what happened all over the world;the ads tell us what things are good and cheap.The movies make our life colorful.But some programs are not suitable for children.Watching TV too much is bad for our eyes, too.We can’t change what is on TV, but we can choose what we watch.Unit 6 Topic 2 Section A I.1.working hard at 2.in the distance 3.make up your mind 4.are different from 5.according to II.1-5 BACBA 6-7 CC III.Leonardo da Vinci was born inItaly, on April 15th, 1451.He’s one of the greatest painters in the world.He is best known for Mona Lisa and The Last Supper.Leonardo made many discoveries about physics and nature.He invented a car, a war tank and a plane.He studied the human body and painted beautiful pictures of people.In 1519, he died inFrance.Section B I.1.heroes 2.flies, flying 3.helpful 4.being 5.more lively II.1.One tree can’t make a forest.2.Journey to the West is one of the four classic novels of Chinese literature.3.We couldn’t help laughing when we heard the funny story.4.I don’t believe that he can turn water into wine.5.In my view, doing it like that is to waste time.6.He couldn’t help crying when he heard the bad news.III.1-4 CBBA Section C I.1.erase 2.stuck 3.saved 4.set 5.called 6.argument II 1.without saying anything 2.slapped in the face 3.keeps on increasing 4.got stuck in III.1-5 BABAA IV.My Favorite Fairy Tale Snow White is my favorite fairy tale.It tells about a princess.Her name is Snow White.She is beautiful and kind.Her mother passed away when she was young.The King married another Queen.She is not a good woman.Because the most beautiful woman in the world is Snow White, the evil queen asks her servant to kill Snow White.But Snow White runs away.She runs into the woods and meets the seven Little Men.Soon they become good friends.Snow White is safe now.When the evil queen finds Snow White doesn’t die,she decides to dress up a witch and let Snow White eat the poisoned apple.Then Snow White falls asleep and wakes up until the prince passes there and gives her a kiss.The prince marries her.They live happily since then.Do you think it’s worth reading? Section

D I.1.wonder 2.Tell you what 3.On his way 4.keeps his mind on 5.sticked to finishing II.1.sooner or later 2.stick to 3.protect, from 4.slapped, in the face 5.catch up with 6.couldn’t help crying 7.give up 8.made up his mind III.1-3ABA Unit 6 Topic 3 Section A I.1.Where there is a will, there is a way.2.It’s the thought that counts.3.graduated from 4.ready for 5.a piece of cake 6.First of all II.1-5 AABBC III.1-6 FBEADC Section B I.1.chalk 2.handwriting 3.package 4.off 5.joy II.1.until 2.Though 3.because 4.whether 5.Unless 6.If III.1-5 BACAB 6-8ABA Section C I.1.in the open air 2.chat with 3.get along well with 4.period 5.take photos II.1.are, will have 2.working 3.comes 4.watches 5.Have, finished 6.was, moves 7.was mended 8.to understand 9.has been dead 10.have, repaired III.A)Dear Mr.Liu, I will graduate in about two weeks.During the past three years, you have given me so much help and encouragement.Thank you!Best wishes to you and your family.Yours, Jane B).My dream Different people have different dreams.When I was young,my dream was to be a pilot to fly in the sky like birds.But now my dream is to be a doctor.I want to try my best to help the poor sick people of our country.I want to let them have an opportunity to receive excellent treatments for their illnesses without having to pay much.Chinais a developing country which needs good medicine and good doctors, especially in the countryside and distant villages.To become a good doctor is not an easy thing.I’ll work hard for my dream, I’ll never give it up.Section D I.1.keep in touch with 2.looking forward to going 3.set off 4.Going for a walk 5.in a hurry II.1-5FFTFT

篇3:九年级化学习题课教学

下面, 我就如何上好九年级化学习题课, 提高教学效率谈谈几点体会。

一、教学内容选择的科学性

1. 习题选择要有针对性

学生通过前面的学习, 已经掌握了化学实验的基本操作技能, 对化学概念、特征和本质有了初步的了解, 也具备了一定的分析和解决问题的能力。我们不能因此就把经典的中考试题、综合试题一步到位地摆在学生面前。我们要针对教学目标、针对考查的知识点、针对学生的学习现状选择习题, 所选习题应能体现分层教学, 适合不同层次思维能力的学生。

2. 习题选择要围绕中心、突出重点

选择习题时, 首先要紧紧围绕初中化学课程标准、单元目标和课堂教学目标这个中心, 使学生在练习中不仅能够巩固知识, 还能拓展思维。其次, 要围绕基础知识和基本技能, 设计出实用性题目, 真正达到巩固双基的目的。再次, 设计难度较大的习题时, 应突出重点和突破难点, 有效地增强知识连贯性及提高学生的思维能力

3. 习题选择要注意可行性

所选习题过分简单, 会影响学生思维的质量, 思维活动不能充分地展开, 结果导致学生在机械的训练中既浪费了时间, 又磨灭了激情;难度过大的习题容易挫伤学生的学习积极性, 使学生难以获得成功的喜悦, 久而久之, 学生就会对化学课丧失自信心。所以, 题目的设计既要以基础知识和基本方法为本, 又要体现综合性和创新应用性。由于每个班级学生的基础知识、智力水平和学习方法等都存在一定差别, 习题的设计要针对学生的实际情况进行分层处理, 既要创设舞台让优生表演, 展现其风采, 又要给后进生提供参与的机会, 使其不觉得自己是门外汉。题目安排可从易到难, 形成梯度, 虽然起点低, 但最后要求较高, 符合学生的认知规律。这样后进生不至于“陪坐”, 优等生也能“吃得饱”, 使部分和整体都能得到不同程度的提高。

二、教学过程重视学生的主体性

1. 以生为本, 以师为导

学生是课堂的主人, 教师是合作者和引领者。在习题课教学中一定要体现出教师的教与学生的学的双边、双向活动, 将讲、练、思三者有机地结合起来, 尽可能让学生自己动脑、动口、动手。提出问题后应给学生留下充分的思维空间, 让他们在主动探索和讨论中解决问题。教师在教学中的作用在于启发、引导学生学会观察、分析和总结。教师根据学生练习反馈的信息, 积极组织学生讨论, 适时启发点拨, 帮助学生实现知识的转化, 从而提高课堂教学的效率和质量。

2. 归纳总结, 突出思路教学

在习题课教学中, 重视题意的分析, 培养学生的审题能力至关重要。通过审题, 让学生归纳每类习题与哪些概念、理论、公式和哪些物质的性质有关, 进而找出解答的问题与已知条件的关系, 然后根据习题特点, 找出解题的要害, 从而形成正确的解题思路和方案, 把握解题方法, 并能列出解题格式、要点和注意事项。如根据化学方程式计算的一般思路为: (1) 审题, 从中找出已知和求解的关系。 (2) 列已知, 设未知。 (3) 列出比例式、求解。 (4) 写出答案并验算复核。

三、教学手段重视化学的学科性

1. 利用化学学科特点, 培养学生学习兴趣

实验在化学学科中有着极其重要的作用, 在化学教学过程中, 应充分利用化学实验, 培养学生浓厚的化学学习兴趣。首先, 将习题和实验操作有机结合起来, 将初中化学研究性学习成果和改进实验改造成实验题, 培养学生的科学思维, 提高学生的科学素养。其次, 将化学知识与实际生活链接, 解决现实问题。溢满生活气息的化学, 才能让学生感到化学的价值, 产生积极愉快的情感。

2. 加强解后评析, 注重思路启迪, 提高解题效率

习题解后的评析, 在习题课教学中起着画龙点睛的作用。学生经过前面的做题已经对同一类习题有了初步的解决方法, 教师这时候只需“点睛”就可以了, 帮助学生及时理清解题思路, 引导学生反思解题过程, 方法可采用“一题多解”、“变题讨论”、“错例分析”等。通过评析沟通知识间的内在联系, 把知识讲活, 从而达到培养思维变通性、创造性, 开拓学生解题思路, 提高解题效率的目的。

篇4:九年级英语同步练习题

Ⅰ. 听力。(略)

Ⅱ. 词汇测试。(20分)

A) 用所给单词的正确形式填空。

21. Can you tell me how to ______ (pronunciation) this word?

22. She has diamond ______(ear) in both ears.

23. He moved into the ______ (neighbor) many years ago, and now he is very popular here.

24. That kind of newspaper is a _____ (day) newspaper.

25. They must ask their boss for _____ (permit) before they do the work.

B) 根据首字母或汉语提示完成单词。

26. He is ______(自信的) enough to pass the exam easily.

27. He was very happy because he made few ______(错误) in his written test.

28. Three monkeys ______(逃脱) from the local zoo last night.

29. I have made an a______ with my dentist, for there is something wrong with one of my teeth.

30. She was too t______ to move when she saw a snake that day.

Ⅲ. 单项选择。(15分)

( )31. Ms Lang is a good teacher with ______ of teaching math.

A. many experiences B. much experience

C. a little experience

D. a few experiences

( )32. If I ______ her address, I ______ write to her.

A. know; would B. knew; will

C. would know; wroteD. knew; would

( )33. He was ill and the doctor advised him ______ a good rest at home.

A. have B. havingC. to haveD. had

( )34. —When are you going to have your hair ______?

—This afternoon.

A. cut B. to cutC. cuttingD. be cut

( )35. My parents wont allow me ______ out late.

A. staying B. have stayed

C. stayD. to stay

( )36. He ______ the army when he was eighteen.

A. joinedB. took part in

C. has been inD. is in

( )37. My father ______ a soldier when he was young.

A. used to beB. used to being

C. is D. has been

( )38. It is a good way to improve your English ______interesting stories in English.

A. read B. to read

C. by readingD. having read

( )39. Look! A lot of students are watching them ______ football on the playground.

A. play B. playing C. to play D. played

( )40. These shoes are comfortable ______ pretty.

A. more thanB. instead

C. not only D. rather than

( )41. It seems very difficult to ______ the child crying. Please take him to his mother.

A. stopB. stopped

C. make D. have

( )42. It ______ me a lot of time ______ an English composition last time.

A. takes; to writeB. spends; to write

C. spent; writing D. took; to write

( )43. This book is very ______ and I am ______ in it.

A. interest; interest

B. interested; interesting

C. interested; interested

D. interesting; interested

( )44. —Do you think if he ______ to play basketball with us?

—I think he will come if he ______ free tomorrow.

A. comes; isB. comes; will be

C. will come; is D. will come; will be

( )45. —Betty passed the Chinese exam. What about Jack?

—______.

A. He did soB. So did he

C. So he didD. So did she

Ⅳ. 完形填空。(15分)

Now computer games have become more and more popular in many cities and towns. A lot of small shops along busy 46 have been changed into 47 game houses in order to get more money. These places are always crowded with 48 , especially young boys.

In the computer game houses, people 49 a lot of money competing with the machines. Its 50 for one to beat a computer, but one can make progress after 51 again and again. People have a kind of gambling psychology (赌博心理) when they play computer games. The more they 52 , the more they want to win. For school boys, they have no 53 for their lessons. When class is over, they run to the nearby computer game houses. Some of them can get enough money from their parents. But some of them are not 54 enough to get the money. They begin to take away other students money and 55 thieves.

( )46. A. rivers B. cities C. villages D. streets

( )47. A. small B. big C. computers D. sports

( )48. A. people B. person

C. womenD. girls

( )49. A. take B. winC. useD. spend

( )50. A. easyB. hard

C. important D. beautiful

( )51. A. drive B. to make

C. tryingD. ran

( )52. A. hope B. lose C. doD. make

( )53. A. differentB. secret C. mind D. duty

( )54. A. bad B. angry

C. difficult D. lucky

( )55. A. are B. look like

C. become D. like

Ⅴ. 阅读理解。(20分)

A

The undersea world is very beautiful. Now more and more people want to dive in the water to find the secret there. Scuba diving is a new sport today. It can take you into a wonderful undersea world.

You will find many strange animals in the sea. Some are as large as a school bus. Many sea animals give out light in the dark and some have sharp teeth. During the day, there is enough light. Here, under the sea, everything is blue and green. When fish swim nearby, you can catch them with your hands. When you have bottles of air on your back, you can stay in deep water for a long time. However, you cant dive too deep. And you must be very careful when you dive in deep water.

The deep sea is not an easy place to live in. Its cold, and its dark, too. The deeper it is, the less sunlight there is. At about 3,000 feet, there is no light at all. It is very dark in the sea. Many fishes have no eyes. Some have big eyes. A few have eyes on one side.

Besides (除了)thecold and the darkness, deep-sea animals face a third danger—other animals.

Animals eat! They must find food to eat. Many animals eat plants. However, some animals eat meat. This means these sea animals have two big jobs. They need to find animals as food, and they have to try not to become other animals meal.

( )56. Why do people want to dive in the sea?

A. Because they want to catch fish.

B. Because they want to find the secrets of the undersea world.

C. Because the sea is deep.

D. Because there are all kinds of plants in the sea.

( )57. In the daytime, when you dive in the sea, you ______.

A. can see everything green and blue

B. cant be in danger

C. can catch nothing

D. cant see anything clearly

( )58. How many dangers will animals meet in the deep sea?

A. One.B. Two.C. Three. D. Four.

( )59. When you do scuba diving, you can ______.

A. stay in deep water for a long time

B. dive very deep

C. live in deep water easily

D. dive freely without any dangers

( )60. Which of the following is WRONG?

A. One animal finds something to eat, and it may be eaten by others.

B. At the depth of 3,000 feet under the sea, many animals can find their way by hearing and feeling.

C. The deeper the sea is, the darker and colder it is.

D. At the depth of 3, 000 feet under the sea, all animals can find their way by seeing.

B

It was Mothers Day, but the young mother was a little unhappy, because she was 800 miles away from her parents. In the morning she phoned her mother to wish her a happy Mothers Day, and her mother told her about the beautiful lilacs (丁香) in the garden.

Later that day, when she told her husband about the lilacs, he said, “I know where we can find all that you want. Get the children and come on.” So they went, driving down the country roads.

There on a small hill, they saw a lot of beautiful purple lilacs. The young woman ran quickly to enjoy the flowers. Carefully, she picked a few here and a few there. On their way home there was a smile on her face.

When they were passing a nursing home(养老院), the young woman saw an old granny sitting in a chair. She had no children with her. They stopped the car and the young woman walked to the old woman, put the flowers in her hands, and smiled at her. The old granny thanked her again and again. She smiled happily, too.

When the young mother came back to her car, her children asked her, “Who is that old granny?Why did you give our flowers to her?”

“I dont know her,” their mother said, “But its Mothers Day, and she has no children. I have all of you, and I still have my mother. Just think how much those flowers meant to her.”

( )61. The young woman was a little unhappy on Mothers Day because ______.

A. she didnt have a present

B. she was a long way from her mother

C. she didnt know it was Mothers Day D. she wanted to see her father

( )62. There were many beautiful purple lilacs ______.

A. in her garden B. in the market

C. in her mothers garden

D. in the nursing home

( )63. The young woman had ______.

A. one child B. no child

C. more than one child

D. a boy and a girl

( )64. The young woman gave the flowers to the old granny because ______.

A. she was her mother

B. she didnt like those flowers

C. her mother asked her to do so

D. she wanted the old granny to be happy, too

( )65. Which of the following is NOT true? A. The young woman was kind.

B. The young woman was understanding.

C. The young woman was friendly.

D. The young woman was surprised.

Ⅵ. 阅读理解填词。(15分)

On the evening of June 21, 1992, a tall man with brown hair and blue eyes went into the beautiful hall of the Bell Tower Hotel in Van with his bicycle. The hotel workers

r66 him and telephoned the m67 , for they had n 68seen a bicycle in the hotel hall before t 69 they lived in the “kingdom of bicycles”.

Robert Friedlander, an American, arrived in Van on his bicycle journey a 70Asia, which s 71last December in New Delhi, India.

When he was 11, he read the book Marco Polo and d 72to visit the Silk Road. Now, after 44 years, he was on the Silk Road in Van and his e 73dreams were coming true.

Robert Friendlanders n 74destinations(目的地) were Lanzhou, Dunhuang, Urumqi, etc. He will e 75his journey in Pakistan.

66. r______ 67. m______ 68. n______

69. t______ 70. a______ 71. s______

72. d______ 73. e______ 74. n______

75. e______

Ⅶ. 书面表达。(15分)

一些来自美国的学生到你们学校参观,老师安排了一些英语成绩好的学生与他们进行座谈,你有幸成为其中一员。请你根据自己的实际情况,简述一下与他们交流的情况。要求不少于80词。下面的要点必须包括在内:

1. 在交谈中你如何从被动到主动与他们交谈;

2. 在听不懂的情况下你是怎么做的;

3. 此次交谈对你学英语有何启发和建议。

______________________________________

______________________________________

______________________________________

______________________________________

______________________________________

篇5:九年级物理内能与热机同步练习题

(二)内能与热机

一.知识点

(一)、温度

1、温度:表示物体的冷热程度。

2、单位:(1)国际单位制:采用热力学温标,单位是:开尔文(K)

(2)常用单位:摄氏度(C)。规定:在1个标准大气压下,______________的温度为0 C,____________的温度为100 C,在0到100之间平均分成100等份,每一等份就是1C。

3、温度的测量工具:温度计

(1)常用液体温度计的原理:____________________________.(2)温度计的使用方法:使用前,要弄清_____________、_______________ 使用时:温度计的玻璃泡要__________浸入被测液体中,不能接触容器底或容器壁;待温度计示数__________后才读数;读数时,不能将温度计从被测物体中拿出来,玻璃泡要继续留在被测液体中,视线与温度计内液面___________。

(3)温度计测物体温度的步骤:估、选、放、读、取。

(4)体温计:利用水银的热胀冷缩的性质制成。分度值______,量程__________:使用前要将液柱甩回玻璃泡.(二)、内能

1、定义:物体内所有分子由于热运动而具有的_________和分子之间的_________的总和叫做物体的内能。

2、影响内能大小的因素:物体的________、状态、质量、体积和物质的种类。物体分子热运动的剧烈程度与温度有关。同一物体温度越高时内能越________。

3、内能的单位:焦耳(J)

4、改变内能的两种途径:_________和____________.两种途径在改变物体内能上是等效的。

(1)做功:对物体做功,物体内能会(如:压缩气体做功;摩擦生热,克服摩擦做功等); 物体对外做功,物体内能会。

做功改变内能实质是:内能与其他形式的能间的相互转化。

(2)热传递:能量(内能)从高温的物体向低温物体传递的过程。

发生热传递的条件:____________。热传递的三种形式:__________、_______、_______ 热传递的实质是:________________________。高温物体将__________向低温物体传递,直至各物体____________相同(称为热平衡).特点:高温物体的内能传递给低温物体,高温物体内能,温度,放出热量;低温物体内能,温度,吸收热量。

5、热量(Q):物体通过热传递方式所改变的内能叫做热量。单位是焦耳(J)。

温度、内能和热量三者的联系:

(1)物体温度升高,内能______________,_____________吸收热量.(2)物体内能增大,温度___________升高,_____________吸收热量.(3)物体吸收热量, 内能_____________, 温度___________升高.(三)比热容 0

00

0

1、定义:单位质量的物质温度升高(降低)______C所吸收(放出)的热量为该物质的比热容,符号“C”。比热容是物质本身的一种特性,只跟物质种类和状态有关.2、单位:___________.水的比热容C水=______________,物理意义:____________________

3、热量的计算:

Q =________________变形式: C=____________;m=____________;△t=___________.(四)内燃机

1、能量转化:燃料燃烧(化学能转化为内能)释放的___________转化为____________。

2、汽油机

(1)构造:气缸、活塞、进气道、进气阀、排气道、排气阀、曲轴连杆、飞轮、火花塞。

(2)工作过程:吸气冲程(吸入____________的混合气体);压缩冲程(压缩缸内混合气体,内能_______,温度_______,压强增大,把________能转化为______能);做功冲程(压缩冲程末,气缸顶部的火花塞发出电火花,点燃缸内气体爆发性燃烧,产生高温高压的燃气推动活塞做功,把______能转化为_________能);排气冲程(排出废气)。点火方式:___________.3、柴油机

(1)构造:气缸、活塞、进气道、进气阀、排气道、排气阀、曲轴连杆、飞轮、喷油嘴。

(2)工作过程:吸气冲程(只吸入__________);压缩冲程(压缩缸内气体,内能增大,温度升高,压强增大,把__________能转化为________能);做功冲程(压缩冲程末,气缸顶部的喷油嘴喷出雾状柴油,压燃式点火,产生高温高压的燃气推动活塞做功,把_______能转化为___________能);排气冲程(排出废气)。点火方式:_______________.4、四冲程汽油机和柴油机的一个工作循环,______个冲程,活塞往复运动_____次,曲轴连杆转______周,飞轮转________周,只有_________冲程对外做功_____次,其它三个冲程靠_______________完成。

(五)燃料的热值

1、定义:_________某种燃料__________燃烧放出的热量,叫做这种燃料的热值.2、单位:_________或__________。(热值是燃料本身的一种特性,只与燃料种类有关.)

3、燃料燃烧放出热量的公式:Q放=________或Q放=_________;变形式:m=_______;q=_____

(六)热机效率

1、热机燃料燃烧释放能量的主要走向:(1)燃料未完全燃烧;(2)克服摩擦消耗的能量;(3)废气带走的能量;(4)机械传热损失能量;(5)对外做有用功的能量。

2、定义:热机转变为有用功的能量(有效利用的能量)与燃料完全燃烧释放的能量的比值称为热机效率。(热机工作时总是有能量的损失,所以热机效率始终小于1)

3、效率的计算式:=

0Q有用×100% 变形式:Q有用=__________;Q放=____________.Q放

4、提高热机效率的途径:减少热机工作中的各种能量损失。(1)使燃料充分燃烧;(2)减少机械摩擦损失;(3)减少机械散热和废气带走热量。

5、热机工作的污染:废气(二氧化碳、二氧化硫、氮氧化物);粉尘;噪声。二.例题

1、下列属于做功的方法改变物体内能的是()

A、压缩筒内空气,棉花燃烧起来 B、金属汤匙放在热汤中,温度升高了 C、食品放入电冰箱里,温度降低 D、热水器放在太阳下照射,水温升高

2、王小聪同学的家住在新农村建设示范村里,他父亲年前拉回了一套液化石油气灶具。液化石油气热值为3.5 ×10J/kg,燃烧放出的热量只有60%被水吸收。将质量为5kg,初温为20℃的水加热到100℃,水吸热多少J?需燃烧液化石油气多少g?

三.练习题

1、关于温度、热量、内能,以下说法正确的是

A.物体的温度越高,所含的热量越多 B.0℃的冰没有内能

C.一个物体吸收热量时,温度不一定升高 D.对物体做功,物体的温度一定升高

2、“神舟七号”载人飞船完成各项任务后,在返回的过程中,返回舱进入大气层将通过一段黑障区,这一段时间飞船将“烧成”一个大火球,而飞船内的宇航员和设备则安然无恙,下列说法正确的是()A.飞船“燃烧”是由于高速运动的飞船与大气层摩擦内能转化为机械能

B.飞船“燃烧”是由于高速运动的飞船与大气层摩擦机械能转化为内能 C.飞船“燃烧”是航天员为了消除太空细菌采取的高温消毒措施

D.飞船外壳上的烧蚀层先熔化后汽化,从而放出了大量的热保护了飞船

3、下列过程中,将内能转化为机械能的是()

A.汽油机的压缩冲程 B.水蒸气顶起水壶盖的过程 C.小孩沿滑梯下滑的过程 D.流星在大气层中穿行的过程

4、南极“万年冰”中含有很多压缩气泡,科考队员取一小块放入盛有酒的杯中,冰块会在酒面上飘来飘去。下面几种说法中错误的是()

A.冰块熔化,气泡破裂,使冰块飘来飘去 B.冰块吸热,内能增加,使冰块飘来飘去 C.冰块熔化,气泡破裂,气泡的内能减少 D.冰块吸热,酒水放热,酒水的内能减少

5、根据表中几种物质的比热容,判断下列说法中不正确的是()

A.制作体温计常用水银做介质,原因之一是水银的比热容小

B.北方楼房中的暖气用水做介质,利用了水的比热容大的特性 7C.由于水比沙石的比热容大,所以内陆地区的昼夜温差比沿海地区大 D.由于水比冰的比热容大,所以冷却食品时0C的水比0C的冰效果好

6、关于热机,下列说法错误的是()A、热机性能好坏的重要标志之一是热机效率

B、在四冲程内燃机中减少废气带走的大量热量可以大大提高热机效率 C、柴油机的效率比汽油机的高,这是因为柴油的热值比汽油的大 D、在压缩冲程中内燃机将机械能转化为内能

7、甲、乙两种物质,质量之比为4 : 1,放出热量之比是3 : 1,则它们的比热之比和降低温度之比分别是下列四种情况,可能满足题设条件的是()①1:1 3:4 ②2:1 1:3 B.①③④

③1:2 3:2 C.②③

7o

o

④1:3 9:4

D.①②④ A.①②

8、一台效率为40%的柴油机,当输出3.44×10 J有用功时,消耗的柴油质量是()

(柴油的热值是4.3×10 J/kg)A.0.8kg B.2kg

C.0.32kg

D.2.8kg

疫情中,体温计发据水银的079、在防范甲型H1N1流感挥了重要作用。体温计是根_______________性质制成的。下图中体温计的示数是______C,请写出一点有关体温计使用的注意事项:_______________________________________。

10.如右图所示,该温度计的分度值是________,温度计的读数是___________.11、炎热的夏天中午,在太阳光的照射下,海滨浴场沙滩上沙子的温度升高、内能增大,这是通过__________方式改变内能的。而海水的温度明显低于沙滩的温度,其原因是_____.12、我市在科学规划和建设山水园林城市时,修建了天宫堂水电站,大量增加水面面积,是利用水的______________大的特性,且水在蒸发时_____________(选填“吸热”或“放热”),可以调节气温,营造“宜居内江”的舒适环境。

13、如图所示,用气筒向装有少量水的瓶里打气,当瓶塞从瓶口跳出时.看到瓶中出现了白雾。在“瓶塞跳出,出现白雾”这个过程中,发生的物态变化是___________.这个现象说明:________________ ______________________________________.14、生活中,掉在地上的弹性小球会跳起,由于与空气摩擦,小球会越跳越低,最终停在地面上,在此过程中,___________能最终转化为_________能.

15、用两个相同的“热得快”分别给质量和初温都相同的甲、乙两种液体同时加热,两液体的温度随时间变化的图像如图所示。_______液体的比热容较小。如果要你从甲、乙两液体中选择汽车的冷却液,应选择_________液体。

16、一台单缸四冲程汽油机,飞轮转速是1800r/min,该汽油机每秒钟内完成_________个工作循环,做功_______次.17、柳州鑫能生物发电项目是广西第一个新型环保清洁和可再生能源生物发电示范项目,以热值为l.2×10J/㎏的秸杆作燃料。完全燃烧_________㎏的秸杆得到8.4×10J的热量;若这些热量全部被水吸收,可使_________㎏的水从30℃上升到70℃。

0

18.一台太阳能热水器装满水后,水的质量是30kg。使这些水的温度从20℃升高到70C需要吸收 J的热量。若这些热量由燃烧天然气来提供,则至少应完全燃烧 ____________m的天然气。(天燃气的热值为4.0×10J/m)

19、某汽车公司的某型号专用车在车型测试中,在一段平直的公路上匀速行驶5.6km,受到的阻力是3.0×10N,消耗燃油1.5×10m3。若燃油的密度ρ=0.8×10kg/m,燃油热值为q=4×10J/kg,(假设燃油完全燃烧)求:(1)专用车牵引力所做的功。

W(2)已知热机效率η=(式中W为热机在某段时间内对外所做的功,Q为它在这段时间内所消耗的燃油完全Q燃烧所产生的热量),则该专用车的热机效率是多少?

20、有一个能装50㎏水的太阳能晒水箱,其接收太阳能的面积为2㎡,该晒水箱接受的太阳辐射能为E=3.2×10J∕(h·㎡)。求:

(1)如果每天接收太阳能的时间为8h,则该晒水箱每天可以接收多少焦的太阳能?(2)由于热量的散失等原因,水的吸热效率只有60%。那么,该晒水箱一天吸收的太阳能 可使这50㎏的水升高多少摄氏度?

篇6:九年级语文范进中举同步练习

【同步评价】

一、基础知识

1.给下列加点字注音:

腆着()啐了一口()兀自()轩敞()()2.课文选自,这是一部 小说,作者,清代小说家。

3.读古典小说,要注意品味区别与现代汉语似是而非的词,看看下面加点的词,古今意义相同吗? ⑴这些同案的人约范进去乡试。⑵到城里乡试。出了场,即便回家。⑶凡事要立起个体统来。

⑷把方才那些小心收起,将平日的凶恶样子拿出来。⑸在下倒有个主意。

4.“屠户横披了衣服,腆着肚子去了。”一句中,作者为什么用“横披”而不用“披”,为什么用“腆着”而不用“挺着”?

5.读全文,把握情节发展思路,完成下表。(下行每空只限填四字)开端 再发展 结局 告贷应试 屠户治疯 6.文中写范进邻居送蛋、送酒、送米,又出主意为他治病,是否为了表现“邻里情”?

二、同步解读

范进不看便罢,看了一遍,又念一遍,自己把,两手拍了一下,笑了一声,道:“噫!好了!我中了!”说着,往后一交跌倒,牙关咬紧,不省人事。老太太慌了,慌将几口开水灌了过来。他爬将起来,又拍着手大笑道:“噫!好!我中了!”笑着,不由分说,就往门外飞跑,把报录入和邻居都吓了一跳。走出大门不多路,一脚踹在塘里,挣起来,头发都跌散了,两手黄泥,淋淋漓漓一身的水。众人拉他不住,拍着笑着,一直走到集上去了。众人大眼望小眼,一齐道:“原来新贵人欢喜疯了。”老太太哭道:“怎生这样苦命的事!中了一个甚么举人,就得了这个拙病!这一疯了,几时才得好?”娘子胡氏道:“早上好好出去,怎的就得了这样的病!却是如何是好?”众邻居劝道:“老太太不要心慌。我们而今且派两个人跟定了范老爷。这里众人家里拿些鸡蛋酒米,且管待了报子上的老爹们,再为商酌。” 7.以上文字描写的场面是()A.范进发疯

B.范进乐极生悲

C、范进得病

D.范进喜极至疯

8.作者对范进发疯的病态描写生动而有层次,可以分为四小层,用最短的文字概括每层内容。(每层不超过四个字)(1)(2)(3)(4)9.画线句运用的表现手法是()A.对比强调

B.描写烘托

C.讽刺夸张

D.借物抒情 10.选段除正面描写外,还有侧面描写,找出侧面描写的人物?从这些人对范进的态度上可以看出世人怎样的心态? 11.“不由分说,就往门外飞跑”中的“飞”字是否恰当,为什么? 12.试分析范进中举后疯癫的原因。

三、美文赏读

(一)“信任”试验(2006年舟山试题)

①在大学时,我学的是心专业,教我们课的是学校最有名的周严教授。②一次上课时,周教授来到教室,他对我们说:“今天我们不上课了,来做一个‘信任’试验。”他让我们面朝他排成两排,然后前排的同学不借助任何物体,向后仰面倒去,由后面的同学接住。

③听了周教授的话,前后两排的同学互相望着,都心照不宣地“哈哈”笑起来。这样的游戏,我们同学之间,私下曾经玩过多次,每次都是在前排的同学向后倒去的瞬间,站在后面的那位同学便快速抽出身来,这样,前面的同学由于失去重心,“砰”的一声,仰面摔倒在地上。所以后来再有同学说玩这样的游戏,前面的同学再也不肯真的向后倒去了。

④周教授见我们都准备好了,他说了一声“开始”。听了周教授的指令后,站在前面的许多同学,开始一点一点向后倾斜,但每个人都暗自掌握着身体的平衡,并不让自己失去重心。后面的同学见了,知道前面的同学并不真倒,所以只是伸出手来,象征性地在前面同学的衣服上轻轻碰了一碰,算是扶住了前面的同学。

⑤这时,一个我们没想到的情景出现了,平时上课坐在我前面个头有一米八零的一位男生,看上去很轻松的样子,向后直直地倒去。在他后面接他的是一位小巧的女生,她见男生向她倒去,先是一愣,接着便使尽全力,一把抱住了他。看得出,女生非常吃力,但还是稳稳地托住了男生。

⑥试验结束后,周教授走上讲台,他指着那位男生和女生说:“今天的‘信任’试验,他们两人做得是最成功的。同学们,什么是信任呢?信任便是像刚才这位男同学一样,心里对别人没有丝毫的戒备和猜忌之心,把自己完全地交给别人;而这位女同学,则向我们展示出了最好的‘值得信任’的例证,就是不管自己有多困难,都会把别人交付的事情办好。他们两人之所以把这场试验做成功,就是因为他们把相互信任演绎到最为完美。”

⑦“在我们生活中,我们总是渴望他人的信任,希望别人信任自己,可是又有多少人能够向他人付出信任呢?在我们要求别人信任自己的时候,最好先问一下自己。”说到这里,教授一副语重心长的样子,“一个人值得别人信任是幸福的,而一个人信任他人则是高尚的。同学们,让我们先试着做高尚的人,再做一个幸福的人吧„„” ⑧教授的话音刚落,教室里便响起了久久的掌声„„

13.联系全文,说说文章第③段为什么要插叙“我们”曾经私下做游戏的情景。14.请任选一句,细细揣摩下面句子中加点词在表达上有什么作用。⑴站在前面的许多同学,开始一点一点向后倾斜,但每个人都暗处掌握着身体的平衡,并不让自己失去重心。

⑵她见男生向她倒去,先是一愣,接着便使尽全力,一把抱住了他。15.请用原文回答,什么是“信任”?什么是“值得信任”? 16.周教授认为,我们应该先做信任别人的人,再做值得别人信任的人。你同意这个观点吗?联系生活实际,谈谈你的理由。

(二)一句仁义的谎话

1848年,美国南部一个安静的小镇上,刺耳的枪声划破了午后的沉寂。他是刚人警局不久的年轻助手,随警长匆匆出动。

一位年轻人被发现倒在地板上,身下一摊血迹,右手已无力地松开,手枪滚落在地。身边的遗书笔迹凌乱,而他钟爱的女子在昨天与另一个男人走上了教堂。

死者的六位亲友都呆呆地伫立着,他禁不住向他们投去同情的一瞥。知道他们的哀伤与绝望,不仅因为一个生命的陨落,还因为对于基督教徒来说,自杀便是在上帝面前犯了罪,他的灵魂从此将在地狱受烈焰焚烧。而风气保守的小镇居民会视他们全家为异教徒,从此不会有好人家的男孩子约会女儿们,也不会有良家女子肯接受他们儿子们的戒指与玫瑰。

这时,一直沉默着紧锁双眉的警长突然开了口:“不,这是谋杀。”他弯下腰,在死者身上摸索许久,忽然转过头来,用威严的语调问:“你们有谁看见他的银挂表了吗?”

那块银挂表,镇上的每个人都认得,是那女子送给年轻人惟一的信物。每个人都记得他是如何五分钟便拿出来看一次时间,而阳光下挂表闪闪发光,仿佛一颗银色的、温柔的心。

所有的人都在忙乱地否认。警长严肃地站起身:“如果你们都没有看到,那就一定是凶手拿走了,这是典型的谋财害命。”

死者的亲人号啕大哭起来,仿佛那根压垮骆驼的稻草自他们身上取下了,而邻居们也开始上门表达他们的慰问和吊唁。警长充满信心地宣布:“只要找到银挂表就可以找到凶手了。”

门外,阳光如蜜汁,风似薄荷酒,大草原上五月滚动的长草像燃烧着的绿色波浪。他对警长的明察秋毫钦佩到无以复加的程度,他问:“我们该从哪里找起呢?”

警长的嘴角多了一抹偷偷的笑意,伸手慢慢地从口袋里掏出一块表。他忍不住叫出声:“难道是„„”

警长看着周围广阔的草原,微笑点头:“幸好任何人都知道,大草原上要寻找一个凶手和寻找一株毒草是一样困难的。”

“他明明是自杀.你为什么却要说是谋杀呢?你让他的家人更加难过了。”

“但是他们不用担心他灵魂的去处,而他们在哭泣过后,还可以像任何一个好基督徒一样清清白白地生活了。” “可是偷盗、说谎一样是违背忠诚呀。”

警长锐利的眼睛盯牢他:“年轻人,请相信我,六个人的一生,比摩西忠诚的七十倍的七倍还要重。而一句因为仁爱而说的谎,连上帝也会装着没听见。”

那是他遇到的第一桩案子,也是他一生中最重要的一课。

17、文中“仿佛那根压垮骆驼的稻草自他们身上取下了。”这句话是的“稻草”指什么?这里用的和什么修辞方法?

18、为什么这根稻草会压垮他们?

19、警长这么做的目的何在?

20、那个年轻的助手会拆穿警长的谎话吗?为什么?

21、用自己的话说说为什么“一句因为仁爱而说的谎,连上帝也会装着没听见”?

22、你从这个故事中得到什么启发?

(参考答案:1.tiǎn、cuì、wù、xuānchǎng 2.《儒林外史》;章回体长篇讽刺;吴敬梓 3.⑴古:一同考取秀才;今:一起作案⑵古:就;今:即使⑶古今都是“规矩”之意⑷古:顾虑;今:谨慎⑸古今意都为对自己的谦称。4.这两个词勾画出了胡屠户粗俗的嘴脸。(意思相近即可)5.横向上:发展、高潮;下:考中秀才;喜极而疯;举人来访(意思相近即可)6.不是。足见世太人情的炎凉。中举前众人不理不问,中举后他们趋炎附势,巴结权贵。(意近即可)7.D 8.(1)昏倒(2)疯跑(3)跌倒(4)疯走上集 9.C 10.范进的家人,报录人,邻居。趋炎附势。11.恰当。写出了范进的疯劲。12.范进受科举制度毒害之深,热衷功名,醉心科举,屡试不中,而今意外中举,神经承受不了,喜至于疯。13.交代了前排同学不信任后排同学的原因。(或“为下文作铺垫”)。14.⑴“一点一点”形象地写出了前排同学对后排同学的不信任。⑵“一愣”形象地写出了女生当时的心理状态,她没想到前排男生真的会信任她,毫无顾虑地往后倒。15.信任是心里对别人没有丝毫的戒备和猜忌之心,把自己完全地交给别人;值得信任是不管自己有多困难,都会把别人交付的事情办好。16.示例一:我同意。因为生活中信任别人很难做到,彼此猜忌的现象很普遍。所以周教授让我们每个人从自己做起,去信任别人,这样人与人之间的关系才能更加和谐,世界才变得更加美好。示例二:我不同意。因为这个物欲横流的世界仍有许多行欺骗行为,盲目地信任别人,容易上当受骗,所以我们不敢随便去信任别人。示例三:我觉得两者应该同时去做,因为信任与被信任是相互的。比如交友,只有双方都信任对方,同时让对方觉得你是值得信任的,友情才得以建立和维持。

17、文中的“稻草”指那位男子自杀之事。用的是比喻的修辞手法。

18、因为在当时风气保守的小镇里,全镇的居民会视他们为异教徒,他们家的子女都不会有人来与之缔结婚约。

19、为了六个人的一生,为了死者的亲人可以像任何一个好基督徒一样清清白白地生活了。20、不会。因为他知道这对那一家人有多么重要。并且,他也是个善良的人。

21、出于仁爱的理由能挽救六个人的一生,而上帝的旨意也是仁爱,这并不与上帝的主张相违背。即使是撒了谎,也是可以通融、可以原谅的。

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