8a chapter 4 computers

合集下载

8AChapter4Computertechnology教案

牛津英语（深圳版）8A Chapter 4 Computer technology 教案Chapter 4 Computer technology Period One (Reading I)知识目标：(1)学生理解日常生活中的家用电器，交通工具以及医学器械都使用到计算机。

（2）学生了解计算机技术的相关知识。

（3）学生学习新的词汇。

技能目标：（1）用英语解释词汇和短语。

(2)能够熟练的说出计算机术语。

过程与方法1.通过泛读的形式让学生快速的浏览全文，让学生了解计算机在哪些方面发挥作用。

2.通过课文，掌握计算机的基本术语。

情感，态度与价值观让学生理解计算机对于人类的重要性。

教学步骤Pre-task Preparation1.Ask students some questions. 1) what kind of machines uses computer? 2)What do you do with computer? 3) Do you know the names of parts of computer? Ask the students to finish Exercise A on page 44.Keys: 1. monitor 2. keyboard 3. flash disk 4. mouse 5. speakers 6. CD-ROM…DVD-ROM…drives.2.Ask students to have free talk . They can discuss the following statementswith a partner.a.Are computer inside many machines in our homes?b.Can computer do important jobs like flying planes?c.Are computers already cleverer than people?While –task Procedure1. New words and expressionsdependent (adj.) [p2] needing someone or somethingfor the time being (idiom)[ p4] at present ; temporarilyhardly ever (adv.)[p1] almost neverhide [title 1] (v.) keep something in a secret placeoperate (v.)[p3] control ; keep runningraise (v.)[p3] mention something for people to discuss or to deal withrarely (adv.)[p3] not often; seldomrealize(v.) [p2] notice; know abouttiny (adj.) [p2 ] very smallunaware of (adj.)[p2] not knowing about2. other phases and sentencePut…into…. , more…than…., at the moment, for the time being, in one’s opinion, share…with…., in reply to , communicate…with….3.Ask students some questions according to the reading.a.What do we call computers sometimes?b.Do computers operate railways?c.Is a computer cleverer than human beings?4.计算机术语ConsolidationReview new words and expressionsChapter 4 Computer technology Period Two (Reading II)知识目标：（1）学生精读课文，深入理解课文的内容，进一步的巩固已经学习过的词汇和句型。

上教版 8A Unit 4 Computers Grammar学案

Unit 4 Computers GrammarLearning Targets学习目标：1.学习形容词good,bad,和far的不规则比较级和最高级的形式和用法2. 学习as...as结构和用法Learning Procedure学习过程：ⅡLearning Strategies1. Self-study2. CooperationⅢLearning Preparation1. You make me jump! 你下了我一跳3. Daily reading:Mum: Janet, get dressed quickly.1)__________.Janet: Ok,Mum.2)Mum: It’s quite cold and wet. The weatherman says it’s going to rain.Janet: 3)_________then I should take an umbrella.Mum: But today is windy too.4) ________Janet: Is it much colder today than yesterday?Mum: 5) _________ It’s about 10℃. Put on your coat,Janet.Janet: 6) The school bus is coming. See you, Mum.Mum: See you.ⅣLearning Procedures1.Self-observationA. 不规则变化的形容词和副词1.读这段对话，体会其中不断追求完美、永不放弃的精神。

Good, better, best. Never let it rest. Until your good is better and better is best.2.回顾下列形容词或副词的比较级和最高级：good/well bad/ill/badlymany/much littleold far3.表示数量的形容词many,much, little.few中，注意：few fewer fewest。

深圳牛津版中学英语8A Chapter 4

1.S1 There may be tiny computers in your home. S2 Where, for example? TV set S1 Inside your _____ _____,telephone or _______ washing _______. _______ machine 2.S1 Computers can do many things. S2 Can you give me some examples? S1 They can _______ ________ ________ calulate type print and __________. draw 3.S1 Computers can do some important jobs. S2 For example? S1 Computers can ________ ________ and operate railways fly aeroplanes spaceships ______ _______ and _________.
Importance and Difficulty
1.Tony collects some information to write an article about computer. 托尼为写一篇关于计算机的文章，收集了一些信息。
Useful Expressions
10.play games with sb. 和……一起玩游戏更重要的是 11.more importantly 操控铁路 12.operate railways 13. fly planes and spaceships 操控飞机和宇宙飞船由于这些原因 14.for these reasons 电子脑 15. electronic brains 16. the answer to this question 这个问题的答案

八级英语上册 Chapter 4 Computer technology Writing课件牛津深圳版

Read and fill in the blanks.
1. Beijing is the _c_a_p_i_ta_l_ of China.
2. Beijing s_e_l_d_o_m__ rains or snows, but Boston sometimes rains _h_e_a_v_i_ly_. So the _c_l_im__a_t_e__ of Beijing is _m__u_c_h_ d_r_y_e_r__ than t_h_a_t__ in Boston.
________________________________________________________________
I really love ______________, because __________
Welcome to my city—Shenzhen!
Tips:
Best wishes
The1r.e2a5rme i_l_li_o_npeople in ___1_4_.9t2hamnililnio_n____.
Beij2i0n5g0issq_._k_m___ than Shenz1h6e8n0.0 sq.km
history
about thirty years
several thousand years
2. You should pay attention to your handwriting.
3. You should check your work carefully by yourself after you finish it.
Writing time!
Dear Simon,
Thanks for your letter about your opinion on the two cities. I’d like to tell you the differences between my city and Beijing.

牛津版8A Unit4

8A Chapter 4ⅠWords单词词性中文意思1.divide v. 除以2.degree n. 度，度数3.especially adv. 十分，非常4.calculate v. 计算5.brain n. 脑6.part n. 部位，组成部分nguage n. 语言8.nearly adv. 几乎，差不多，将近9.system n. 系统10.invent v. 发明，创造11.develop v. 发展，壮大12.invention n. 发明物，发明13.accurate adj. 正确无误的14.electronic adj. 电子的，电子器件的15.calculator n. 计算器16.powerful adj. 很有效的，强有力的17.calculation n. 计算18.whole adj. 全部的，整体的19.lifetime n. 一生，终生20.against prep. 与….相比21.living adj. 活着的，活的22.human adj. 人的23.following adj. 下述的，下列的24.amazing adj. 令人惊奇的，令人惊喜的25.solve v. 解答，解决26.power n. 能，能量plete v. 使完整28.check v. 检查，核查ⅡPhrases1. in a flash 转瞬间，立即2. match… with…. 把…与….配对3. at least 至少4. decide on 对….做出决定ⅢSentence Pattern1.It made it easier to write big numbers and to calculate.It makes it easier to do sth.2.Abacuses are so fast and accurate that people still use them today.….so…..that…..如此….以至于ⅣGrammarPositive imperatives:Give me your homework, Ben.Please turn off your mobile phones. Be quiet, please.Negative imperatives:Do not turn on your mobile phone. Don’t copy Jane’s work, Sally. Please don’t be late again!。

(完成反意疑问句)

（8A）Test for Chapter 4I .Choose the best answer (20%)（）1. I don’t think he can do the work all by _________. We must help him.A. himB. himselfC. heD. his( ) 2. About ________ of the books in our school library are written in Chinese.A. four-fifthB. four-fifthsC. fourth-fifthsD. fourths-fifth( ) 3. We’ll have a __________ holiday. What about going to the West Lake?A. two daysB. two-dayC. two-daysD. two-days’( ) 4. Now, children, turn to page _________ and look at the ________ pictures in Lesson Two.A. twentieth, oneB. twenty, oneC. twentieth, firstD. twenty, first ( ) 5. 1 inch is equal to 2.54 cm. here 2.54 reads_______.A. two point fifty-fourB. two points fifty-fourC. two point five fourD. two points five four( ) 6. More than 71 per cent of the earth ______ water.A. isB. areC. wasD. were( ) 7. How to read 20÷4=5?A. twenty divided by four is fiveB. twenty divided 4 is fiveC. four divided by twenty is fiveD. four divide twenty is five ( ) 8. We use the _________ for measuring angles.A. protractorB. calculatorC. fractionD. compasses ( ) 9. Internet makes it easier _______ friends and ________ information.A. to make; findingB. make; findC. to make; to findD. make; to find ( ) 10. All the numbers are counted________ tens.A. atB. onC. withD. in( ) 11. Which of the following is different from the other three?A. twenty percentB. one-fifthC. zero point twoD. two point zero ( ) 12. Why are you walking _______?A. hurriedB. hurriedlyC. hurryD. hurrily( ) 13. Tom, together with her parents ______ to the zoo this time yesterday.A. is goingB. was goingC. are goingD. were going ( ) 14.Is a human brain_______ than a computer?A. powerB. powerfulerC. more powerfulD.most powerful ( ) 15. 125 is _____ number.A. a decimalB. a oddC. an evenD. an odd( ) 16. If you don’t have ________ , it will be difficult to draw a circle.A. a calculatorB. a pair of compassesC. an abacusD. a brain ( ) 17. Shakuntala’s brain works very fast. She can do a calculation ______.A. like lighteningB. like lightC. like lightning.D. in a minute ( ) 18. One of the first calculating machines was ________ abacus.A. aB. theC. anD. /( ) 19. _______ these ten numbers we can write any numbers.A. InB. WithoutC. FromD. With( ) 20. The yellow parts on the map _______ mountains.A. standB. paintC. tellD. representII. Fill in the blanks using the proper forms of the given words (5%)1.Making paper is the ______________ of the ancient Chinese people. (invent)2.The news is very ________________ .(amaze)3.It’s the old man’s _______________ birthday today. (ninety)4. Can you describe ________________ what he looks like? (accurate)5. The famous _____________ writer was killed in his flat last night. (Greece) III. Fill in the blanks with the proper forms of the verbs (5%)1.Someone ________________ my purse. I can’t buy anything now. (steal)2.Three young men started ______________ to us. (talk)3.Hurry! Y our mum _________________ for you. (wait)4.Stop _____________ and listen to the teacher please. (talk)5.This is the picture Jane ___________ just now. (draw)IV. Choose the one closest in meaning (5%)( ) 1. Can you use your own computer to solve the problem?( ) 2. Y ou should read the instruction carefully before you use a new electrical appliance.( ) 3. The underground train has an automatic system.( ) 4. Computers are accurate machines.( ) 5. Edison invented the electric light.V. Rewrite the sentences as required (10%)1. He had few lessons yesterday, __________ ___________? (完成反意疑问句)2. All of the teachers like her singing.（改为完全否定句）__________ ___________ the teachers like her singing.3.The man is so weak that he can’t move that box. (保持原句意思)The man is ___________ __________ to move that box.4. I bought the bike three years ago. (保持原句意思)I __________ __________ the bike for three years .5. He had three pieces of bread this morning. (对划线部分提问)___________ _________ you have this morning?VI. Read and choose T or F (5%)Tom’s family moved to a new town recently. Some days later when Tom and his classmates were having a lesson, the teacher called Tom to come up to her desk and began to ask him a lot of questions, but Tom couldn’t answer any of them. Theteacher then decided to ask him some very easy questions so that he could get a few right.“Where is the Great Wall ?” She said.Tom thought for some time and then answered, “In Egypt.”“No, it is in China,”the teacher said. She was getting a little angry now, but she was trying not to show it. Then she asked, “Who is the first president of the United States?”Tom thought for a long time, but didn’t say anything. Then the teacher got angry and shouted, “George Washington!”Tom turned back and immediately began to walk towards his seat. “Come back!” the teacher said, “I didn’t tell you to go.”“Oh, I’m sorry,” Tom said, “I thought you were calling another student.”( ) 1.Tom and his classmates were having an English lesson.( ) 2.Tom’s teacher decided to ask him very easy questions because Tom was a new student in the class.( ) 3.Tom could answer none of his teacher’s questions.( ) 4. “She was getting a little angry now, but she was trying not to show it.”Here it means “She was getting a little angry.”( ) 5.George Washington was the first president of the United States.VII. Read and answer: (5% )One summer, Peter took his whole family to Scotland for their annual holiday. He drove his Benz sedan up the motorway. His wife was sitting at his side and his daughters were quiet in the back. They stopped at a restaurant for lunch and a hotel for the night. In the restaurant they had the best table, and in the hotel the best room. In both places they got perfect service and they had a good time.The following day they reached the cottage they had rented. The housekeeper was waiting for them and so was a hot meal.For the first week the weather was beautiful. They went down to the sea each day. Peter swam with his elder daughter, and taught the younger one how to swim. His wife took care of Jerry, their little daughter, as she crawled on the beach.They had picnic lunches in the shade of a large red umbrella and at half past five, Peter drove the family back to the cottage.1.What did Peter do one summer?He took his whole family to Scotland ______________________.2.How many people were there in Peter’s family?____________________________________________________.3.Where did they stay the first night?They stayed __________________________________________.4.Was the cottage near the sea?____________________________________________________.5.What did Peter and his two daughters mainly do each day in the first week?They ________________________________________________.VIII. Cloze test: (5%)A generation gap has become a serious problem. I read a ___1____ about it inthe newspaper. Some children have killed themselves after quarrels with ____2___. I think this is because they don’t often have a talk with each other.Parents now spend more time in the office, so they don’t have much time to stay with their children, get to know them and ___3____ them. And for children, show your ___4____ to your parents. They are the people who love you. So ____5___ them your thoughts. In this way, you can have a better understanding of each other.( ) 1. A. massages B. call C. report D. letter( ) 2. A. friends B. teachers C. classmates D. parents( ) 3. A. get on with B. look after C. understand D. love( ) 4. A. interest B. secret C. trouble D. feelings( ) 5. A. tell B. ask C. answer D. sayIX. Fill in the blankets with the proper words: (5%)Many people like to read the Guinness Books of World Records and some people want to be in it! H____ do people get their names in the book? They do something new and different, such as making the world’s l_____ cake with more than 5,4000 eggs.For many people, it is fun to make world records. It is exciting. But who ate the cake?While some people are making world records, o_____ do not have much food to eat. Hunger is very serious p____ in the United States and around the world. How many old people do not have enough money to buy good food? How many children go to bed w_____ dinner? The a_____ is “ Too many”.1.__________2._________3._________4._________5.___________ X. Complete the dialogue: (5%)B: My grandpa fell onto the ground just now.___2__A: He must be sent to the hospital at once.B: ___3____A: Zhongshan Hospital. It’s the nearest.B: Which bus shall we take?A: ___4____. It’s much quicker.B: OK. I’ll take your advice. Thank you.A: ___5___1._____2.______3.______4.________5._________。

牛津上海版英语九年级上册《Unit 4 Computers》说课稿2

牛津上海版英语九年级上册《Unit 4 Computers》说课稿2一. 教材分析《Unit 4 Computers》是牛津上海版英语九年级上册的一单元。

本单元的主题是计算机，主要围绕计算机的历史、功能、用途等方面展开。

通过本单元的学习，学生能够了解计算机的发展历程，掌握计算机的基本功能，以及运用计算机解决实际问题的能力。

本单元的主要内容包括：1. 计算机的发展历程；2. 计算机的基本功能；3. 计算机在日常生活中的应用；4. 计算机的未来发展。

二. 学情分析九年级的学生已经具备了一定的计算机基础，对计算机有一定的了解。

但他们对计算机的历史和发展过程可能了解不多，对计算机在未来社会的发展趋势也缺乏深入的认识。

因此，在教学过程中，需要注重引导学生了解计算机的发展历程，以及对未来发展的思考。

三. 说教学目标1.知识目标：学生能够了解计算机的发展历程，掌握计算机的基本功能，以及运用计算机解决实际问题的能力。

2.能力目标：学生能够运用所学的计算机知识，进行信息的收集、处理和传递。

3.情感目标：培养学生对计算机的兴趣，以及对科学研究的热情。

四. 说教学重难点1.重点：计算机的发展历程，计算机的基本功能。

2.难点：计算机在未来社会的发展趋势，以及如何运用计算机解决实际问题。

五. 说教学方法与手段1.教学方法：采用问题驱动法、案例教学法、小组讨论法等。

2.教学手段：利用多媒体课件、网络资源、实物展示等。

六. 说教学过程1.导入：通过展示计算机的发展历程视频，激发学生的学习兴趣，引入新课。

2.讲解：讲解计算机的发展历程，介绍计算机的基本功能。

3.实践：学生分组进行计算机实际操作，体验计算机的基本功能。

4.讨论：学生分组讨论计算机在日常生活中的应用，以及计算机在未来社会的发展趋势。

5.总结：教师引导学生总结本节课所学内容，进行知识的巩固。

七. 说板书设计板书设计如下：1.计算机的发展历程•计算机的诞生•计算机的发展•计算机的普及2.计算机的基本功能3.计算机在日常生活中的应用4.计算机在未来社会的发展趋势八. 说教学评价教学评价采用过程性评价和终结性评价相结合的方式。

8A Chapter 4教案

Chapter 4 Computer technologyThe 1st periodTeaching Aims:1.Learn about computer2.Train the students’ reading ability.3.Master some new words about computer4.Learn how to find the meanings.Teaching Important Point:1.Improve the students’ readi ng ability.2.Enable the students understand the text better.3.Develop the students’ creative, comprehensive and consolidating abilities.Teaching Difficult Point:1.How to improve the students’ reading ability.2. How much do you know about computer technologyTeaching Methods:Individual, pair or group work to make every student work in class.Teaching Aids:The multimedia and the blackboardTeaching ProceduresStep1: warming upT: ask some students to answer , what is this? Which kind of electric machine does teacher use teach us in the class?S: Computer.T: what do you know about computer?Before you read about computers, look at the pictures below and try to write the names to complete the sentences.monitormain unitspeakermousekeyboardmicro-phonefloppy diskCD-ROM drive / DVD-ROM drivedriveLOOK and THINK1. The shows words and pictures.2. We use the for typing in information.3. The stores information.4. The helps us control the computer .5. We can hear sound from the6. We put the or into the .Step2: pre-readingLet’s learn some technical words associated with computers:Pc: personal computerLaptop: small, portable personal computerVirus: something which gets into a program and damages itData:informationFile:a collection of data stored togetherNetwork:a system that links two or more computers togetherSoftware: programsHardware: the monitor, keyboard, drives, etc.Command: an order to the computere-mail:electronic mailmodem: a device which links the computer to the telephone systemmultimedia: a combination of sound, moving pictures and textstep3: while-reading1. look at the title of the passage and the pictures on the next page. Then discuss thefollowing statements with a partner and correct mistakes.Computers …1.are inside many machines in our homes.2.can do unimportant jobs like flying planes.3.are already cleverer than people.2. reading passage( computers)These are three short texts typical of information leaflets or newspaper or magazine articles, discussing different aspects of computers in the modern world.All right! Turn to page 46. Look at the passage and think about some questions:1. What does Tony plan to do about computers?2. What are probably the best calculators in the world at the moment?3. Is a computer cleverer than I am?4. How do we give a computer instuctions?5. What does a CD-ROM contain?3.fast-readinganswer some questions about passage.1. Hidden helpers: The use of computers has spread very quickly. There are small computersinside everyday appliances in your home.2. What kind of jobs can a computer do?Computers are electronic brains. They can perform many functions, calculate andeven control railway systems3. Is a computer cleverer than I am?At present, the human brain is superior to the computer, as it has greater understanding, but this may change. If computers can do some of our jobs betterthan we can, how will our lives change?: : What is the main idea of the three short passage?Hidden helpers: the use of computers has spread very quickly .there are small computers inside everyday appliances in your home.What kind of jobs can a computer do? Computers are electronic brains .they can perform many functions, calculate and even control railway systems.Is a computer cleverer than I am? At present ,the human brain is superior to the computer ,as it has greater ability to understand ,but this may change .if computers learn to do some of our jobs better than we can, how will our lives change?4. Find the meaningsFind these words and expressions in the passage. Then read the words round them and choose the best meanings.1.hardly evera. sometimesb. seldomc. often2. depend ona. needb. trustc. play with3. realizea. allowb. understandc. decide4. tinya. allow. B. understand c. decide5. essentiala. very dangerousb. very safec. very necessary6. raisea. lift upb. put downc. bring to our attention7. for the time beinga. in the pastb. at presentc. in the future5.Read and thinkPeople often expect you to give examples to explain something. Read the statements below and on page 47 and give examples. Put one word in each blank.1. S1: Computers can do some important jobs.S2: For example?S1: _________ _______, _____ __________ and _____ __________.2.S1: There may be tiny computers in your home.S2: Where, for example?S1: Inside your __ ___, _________ or3. S1: A human brain can do some things better than a computer.S2: For example?S1: ________ ____ _____.4. S1: In future, computers may do some jobs better than people.S2: What job, for example?S1: A _________________________ job6.find the factsTony made some notes about the articles on the page 45,but some of the facts in them are wrong .read the articles again and correct his notes where necessary.1.hidden helpersa.there are many big ,hidden computers in everyone’s home.b.People are less dependent on computers than they realize.2.what kind of jobs can a computer do?puters sometimes give wrong answers at calculating.puters can teach people many things and also play games with them.3.is a computer cleverer than I am?a. computers cannot create new ideas for the time being.b. computers are better at doing their jobs than doctors ,judges and teachers at present.Step4: after—reading (discussion)What do you learn from the passage?The 2nd periodTeaching Aims:1. Learn about computer2. Train the students’ reading ability.3. Master some new words about computer4. Learn how to find the meanings.Teaching Important Point:1. Improve the students’ reading ability.2. Enable the students to understand the text better.3. Develop the students’ creative, comprehensive and consolidating abilities.Teaching Difficult Point:1.How to improve the students’ reading ability.2. How much do you know about computerTeaching Methods:Individual, pair or group work to make every student work in class.Teaching Aids:The multimedia and the blackboardTeaching Procedures:Step1: review new wordsFind the words in Column A in the passage and then read the words round them. Match them with the meanings in Column B.1.be unaware of a track with rails on it2. hidden senior law officers3. type difficult to see or find4. railway write something with a computer , typewriter, etc.5. judges do not know aboutStep2: DiscussionWhat’s the use of computer?Step3: pair—work ,group—workRead the article about the history of the internet, work in groups and discuss the advantages and disadvantages of the internet.Talking the topic about is the internet a good or bad thing?Step4: words study1.hardly evera. sometimesb. seldomc. often2. depend ona. needb. trustc. play with3. realizea. allowb. understandc. decide4. rarelya. oftenb. sometimesc. seldom5. essentiala. very dangerousb. very safec. very necessary6. containa. preventb. removec. includeStep 4 Consolidation and homework1. Review what we learnt today.1.Read the text.2.Copy down the new wordsThe 3rd periodTeaching Aims:1. Learn about top office supplies2. Train the students’ listening ability.3. Master some new words about ordering products4. Learn how to find the meanings.Teaching Important Point:1. Improve the students’ listening ability.2. Enable the students to understand the text better.3. Develop the students’ creative, comprehensive and consolidating abilities.Teaching Difficult Point:1. How to improve the students’ listening ability.2. Describe how to describe the products.Teaching Methods:Individual, pair or group work to make every student work in class.Teaching Aids:The multimedia and the blackboardTeaching Procedures:Step 1 Listening: filling in an order formMabel Wang is ordering some office products for her company. You are the man from Top Office SuppliesStep2: Listen to the recording, and complete the details of Mabel’s order on the form below. The words and pictures may help you. After you finish, work out the grand total Step3: Top office suppliesCompany name:Customer name:Customer No:Grand total:(21)(20)(19)(18)(17)(16)(15)(14)(13)(12)(11)(10)(9)￥480(8)medium (7)(6)(5)(4)(3)(2)A4 paper (1)￥114￥383 boxes black ballpoint pens J-1505TotalPrice (each)Quantity Colour / Size Product Reference No.P-1961white10 boxes ￥30￥300C-4091screen filter 1￥480￥375￥1,800￥3,069D-2791C-4083floppy disksoffice chair black15 boxes ￥75￥1,800The 4rd perioTeaching Aims: 1. Learn about grammar2. Train the students’ the comparative of adjectives ability.3. Master some new words about the comparative of adjectives4. Learn how to find the meanings. Teaching Important Point:1. Develop the students’ creative, comprehensive and consolidating abilities. Teaching Difficult Point:1. Describe how to describe the different objects. Teaching Methods:Individual, pair or group work to make every student work in class. Teaching Aids:The multimedia and the blackboardTeaching Procedures:The comparative and superlative of adjectives 英语中有时需要对两者或多者进行比较，这时就需要用形容词的比较等级。

八年级英语上册 Chapter 4 Computer technology Writing教案牛津

8A Chapter 4 Writing---WorksheetTask One: Read the letter below and fill in the blanks.Dear Gracie,I have just moved to Beijing from Boston for two months, and I really want to tell you how different between the two cities.Although the names of both cities begin with the letter B, Boston and Beijing are very different places. First, Beijing is special because it is the capital of China. Boston is just an ordinary（普通的）city in America. The climate（气候）of Beijing is much dryer than that of Boston. It seldom rains or snows there. Boston sometimes rains heavily, especially in the spring, and has lots of snowstorms（暴风雪）every year. Beijing is a city with several thousand years of history, while Boston is only a few hundred years old, so it is much younger than Beijing. Everywhere you go in Beijing feels very crowded, but there are far fewer people on the streets in Boston. Therefore，the traffic in Beijing is a lot worse and the air is far more polluted than that in Boston. It is easier to get sick there. Boston’s air is clean and clear most of the time, which makes it aFill in the blanks:1.Beijing is the _____________ of China.2.Beijing __________ rains or snows, but Boston sometimes rains _____________. So the _________of Beijing is ________ __________ than _______ in Boston.3.Boston is _____________________ than Beijing, because Beijing is a city with ___________________________________ of history, while Boston is only ________________________________.4.There are ______________ people in Boston than in Beijing. So the traffic is ______________ inBeijing and the air is _________________ than that in Boston.5.Simon loves Beijing, because the food there is __________________. And he also misses Boston,because the air there is _________________.Task Two: Group work: make a dialogue with your partners according to the table on the screen, you might go like this:A: Which city do you prefer, Beijing or Shenzhen?B: I prefer…, because…(ask the next student) Which city do you prefer, Beijing or Shenzhen?C: I prefer…, because…(ask the next student)……Task Three:Write a letter back to David.1. Writing timeDear Simon,Thanks for your letter about your opinion on the two cities. I’d like to tell you the differenc esbetween my city and Beijing.Beijing is in _____________________ of China, and Shenzhen is in ________.Since Beijing is the _____________ of China, it’s ______________ than Shenzhen.Beijing is a city ____________________ __________________, while Shenzhen is __________________, so it’s _______________ than Beijing. It _________________ in Beijing, but Shenzhen sometimes has typhoon. So the ____________ of Beijing is ______________ than that in Shenzhen, and in winter Shenzhen is _______________ .______________________________________________________________________________________ ______________________________________________________________________________________ ______________________________________________________________________________________ ______________________________________________________________________________________ ______________________________________________________________________________________ ______________________________________________________________________________________ I really love ____________, because ______________________________________________________ ______________________________________________________________________________________ Wele to my city—Shenzhen!Best wishes___________2. Evaluate(评价) your partner’s work.（10 points in total）You may report like this:I think________ has done a(n) _________ job. He can get ______ points. Because his/her handwriting is ____, he loses _____ point(s). There are ____ mistakes in his writing. First, ________ should be _________. Second, …. So he loses_____ points. In his writing I think this sentence is excellent:______________________________.Thank you for listening!。

八年级英语上册 Chapter 4 Computer technology学案牛津深圳版

Chapter 4 Computer Technology语言学习目标：一、本章需要掌握的重点词语。

1.drive2.monitor3.speaker4.keyboard5.mouse6.type7.control8.hide9.tiny 10.realize 11.print 12.op erate 13.railway 14.judge 15.raise 16.supply 17. order pany 19.price 20.opinion21.modern22. medium 23. disagree 24. hot 25. smooth 26. speed 27.distance二、重点词组1. hardly ever2. be unaware of3. for the time being4. control the computer5. in the world6. at the moment7. more importantly 8. for these reasons 9. the answer to this question 10. change one’s life11. have nothing t o do 12. be better at doing sth三、重点句子。

1. Not so many years ago, you hardly ever saw computers.2. There are also many tiny, hidden computers in your home, but you might be unaware of them.3. They are fas ter at calculating than people.4. They can teach you many things and also play games wi th you.5. More importantly, they can operate railways and fly planes and spaceships.6. The answer to this question is, for the time being, “No”.7. They may even be bet ter at doing their jobs than doctors, judges and teachers.8. This raises interesting questions.9. How will computer change ou r lives?10. Will computers make our lives better or worse in the futur e?四、背诵段落What kind of jobs can a computer do?五、解释句子1. Not so many years ago, you hardly ever saw computers.---Not so many years a go, you seldom saw computers.2. Now they seem to be everywhere.--- Today they seem to be here and there.3. There are also many tiny, hidden computers in your ho me, but you might be unaware of them.--- There are also m any small, hid d en comput ers in your home, but you might not know about them.六、日常交际用语1. In my opinion, Sichuan food is better.2. I agree.。

8A U4

8A Module 2 Amazing thingsUnit 4 NumbersThe First Period (Reading)Language Targets:1. To understand the history of numbers2. To learn the story of a woman with an amazing brainAbility Targets:1. To pronounce the new words correctly2. To maintain an interaction by listening and speaking3. To understand a passage thoroughly through readingEmotion Targets:1. To learn some information about numbers2. To think about the question: Which is stronger, a brain or a computer?Language focus and difficult points:New vocabulary:one of the calculating machinesaccurate and fastin tensadd/ subtract/ multiply/ dividecalculate percentage/ aquare rootpowerfulin a flashin your whole life timea living computerTeaching Aids:1. Workbook 8A page572. Studen t’s Book 8A page31,37,383. Multi-mediaPROCEDUR Contents Teacher’s activity Students’ activity PURPOSEEI.Pre-task preparation A Guessing Game show some picturesof some numbersguess the numberafter seeing thepicturesarousestudents’interest inthe topicII.While-task procedure 1. calculatingmachines1. Show a picture ofan abcus2. show a picture ofan electroniccalculatorQ:What can anelectronic calculatordo？Ask students to do apair work.1) an abacusone of thecalculatingmachinesaccurate and fast2) an electroniccalculator* add/ subtract/multiply/ dividecalculatepercentage/ aquareroot*pair work:A: What can anelectroniccalculator do?B: It can_________,_________,_________ and_________.A: What else canit do?B: It can calculate___________ and___________.*pair work:A: What can___________ do?B: It____________________.A: What else canlearn somenewswords andphrasesand getfamiliarwith partof the text2. Brain against computer3. Show a picture ofa computer andteach some newphrasesAsk the students totalk about acomputer.2. Ask somequestionsAsk students to putthe paragraphs in thecorrect orderAsk some questionsit do?B: It____________________.3) a computer:* powerfulin a flashin your whole lifetime* talk about:A ________ is avery _______calculatingmachine. In______, it can doa calculation thatyou could not do____________________.*talk about thecomputer with thekey words.2. 1) What is aliving computer?(a brain)ShaKuntala DeviVS. a computer2) the story ofBrain againstcomputer:put the paragraphsin the correctorder(group work andread the wholepassage togetherin the group)3) questions aboutthe story:get famliarwith partof the textthroughsomeexercisesgetfamiliarwith thelast part ofthe textthroughsomeexercises3. acient numbers Ask students tomatch the newwords with theirmeaningsAsk students tomatch the newwords with theirmeaningsAsk students to do agroup-discussion How fast can Shakuntala Devi calculate?How long did Shakuntala’s brain take to solve the difficult problem?How long did a computer take to solve the problem?What should people do to make computers calculate?3. 1) match the new words with their meanings2) put the words into the blanks to make the sentences correct3) Discuss:•Whatdoes thesystem ofnumbersconsistof(组成) ?•What didtheIndiansfirstinvent?•Why was“zero”a very important invention ?III.Post-task activities 1. have acompetition1. ask the students todo a soft-reading2. To have acompetition1) read the text ina low voice alongwith the record2) four groupshave acompetition:choose andnumber andanswer thequestion:Why do peoplestill use abacusestoday?What can anelectroniccalculator do?How fast canShakuntala Devicalculate?How long can acomputer do acalculation?How long didShankuntala’sbrain take to solvethe difficultproblem?Why was “zero”a very importantinvention ?have areview ofthe wholetextthroughreadingandansweringquestionsget morepracticeand learnmoreinformation about thetopic2. homework What shouldpeople do to makecomputerscalculate?Who inventedzero?2. *To learn thenew words andphrases by heartand retell theparagraphs*To find outinformation aboutthe ancientnumbers on theInternet*To finishexerciese inWorkbook 8A onpages 31, 37 and38.教学反思：The Second Period (Grammar A) Language Targets:1. To learn how to say cardinal and ordinal numbers correctlyAbility Targets:1. To say cardinal and ordinal numbers correctly2. To maintain an interaction by listening and speakingEmotion Targets:1. To find numbers interestingLanguage focus and difficult points:1. cardinal numbers2. ordinal numbersTeaching Aids:1. Workbook 8A page32,332. Student’s Book 8A page603. Multi-mediaPROCEDURE CONTENTS Teacher’s activity Students’ activity PURPOSEI.Pre-task preparation 1.introduceordinal numbersTo give somesentencessay somesentences tointroduce ordinalnumbersget studentsinterested inthe topicII.While-task procedure 1. have a review 1. Ask Ss to ay thenumbers2. To teach Sshow to say thefollowingnumbers3. Ask Ss to readthe numbers. Payspecial attentionto the stressedsyllables asunderlined below.When we saythir teen, we stressthe secondsyllable.When we saythir ty, we stressthe first syllable.Pay specialattention to the1. say thenumbers(1-91)(100/../4200)2. how do we saythem:4,056/23813/ 567110/64252003. 1) read thefollowingnumbers.2) How do yousay ‘13’ and ‘30’?3) Read thefollowingnumbers.learncardinal andordinalnumbersthroughexamplesand exercises2. say ordinal numbers stress asunderlined below.Note the pausesafter thousand andmillion.4. Show somesentencesTo introduce therules of ordinalnumbersAsk St to do someexercises4. 1) say somesentences tointroduce ordinalnumbers2) Most ordinalnumbers are madeby adding -th tothe cardinalnumbers, exceptfor one, two andthree.3) exercise1 : Findthe ordinalnumbersexercise 2: Workin pairs. Makedialoguesaccording to theexampleS1 When isBetty’s birthday?S2 It is on thesecond of January.Betty —2ndJanuaryDavid —30thSeptemberCindy —16thJuneAlan —3rdMarchLily —14thAprilMay —22ndMaySam —12th Octoberexercise 3: Read the students’ positions in the class, and complete the sentences with cardinal or ordinal numbers.III.Post-task activities 1. more practice: 1. Ask Ss to finisha letterAsk Ss to read outphone numbersAsk Ss to fill inthe cheques1.1) Kitty islearning how tosay large numbers.Help Kitty matchthe words on theleft with thenumbers on theright. Write thecorrect letters inthe blanks.2) Ben is askingPeter for sometelephonenumbers of theClass 1, Grade 8students. Peterdoes not want tomake a mistake.Help him writeout the telephonenumbers in wordsbefore he callsBen.3) The Class 1,Grade 8 studentsare learning howto write cheques.Work in pairs.Take turns to readout the numbers topractiseusingcardinalnumbers2. Homework your partner and write the numbers out in words on the cheques.1.Workbook ：p32, 33教学反思：The Third Period (Grammar B)Language Targets:1. To learn how to read decimals and fractionsAbility Targets:1. To say decimals and fractions correctly in EnglishEmotion Targets:1. To get interested in numbersLanguage focus and difficult points:1. decimal2. fractionsTeaching Aids:1. Workbook 8A page332. Student’s Book 8A page613. Multi-mediaPROCEDURECONTENTS Teacher’s activity Students’ activity PURPOSEI.Pre-task preparation 1. introduce thedecimals andfractions1. show somesentences1. say somesentences tointroducedecimals andfractionsget studentsinterested inthe topicII.While-taskprocedure1. read decimals2. read fractions 1. teach Ss how tosay decimalsWe say each numberseparately after adecimal point.Ask Ss to do someexercise2. Teach Ss how tosay fractions1. 1) learn How toread decimals?2) exercises 1:3 point three0.3 zero pointthree.368 pointthree six eight7.145 sevenpoint one fourfive36.36thirty-sixpoint three sixexercise 2:Say the followingdecimals26.23/ 1385.5/48.48/ 526.432/1.04682. 1) learn Hereare two fractions.How can we readthem?one-third/two-thirds2) specialfractions:a/ one half; a/ onelearn to readdecimals andfractionsthroughexamplesand exercisesAsk Ss to do some exercise quarter; three quarters3) how to say a mixed fractiontwo and one-fifthexercises:Say the following fractions.1/8; 14/22; 7/12; 21/60; 5/16; 3 1/2;22 11/19; 7 3/4III.Post-taskactivities1. more practice2. Workbook 1. ask Ss to do apair-work1.In pairs, practisesaying thefollowingnumbers.0.7; 19.21; 1/5;53.35; 8 3/4; 7/9;0.168; 6 1/22.Workbook: p33have morepractice教学反思：The Fourth Period (Grammar C) Language Targets:1. To learn instructions about numbers2. To learn statements about numbersAbility Targets:1. To be able to say intructions about numbers2. To be able to say statements about numbersEmotion Targets:1. To find it interesting to learn maths in EnglishLanguage focus and difficult points:1. Vocabulary: add, subtract, multiply, divide2. patterns: add…and…/ subtract….from…./ multiply….by…./ divide….by…./ ….plus….equals…./ ….minus….equals…./ …..multiplied by….equals…./ ….divided by….eqauls….Teaching Aids:1. Workbook 8A page342. Student’s Book 8A page613. Multi-mediaPROCEDURE CONTENTS Teacher’s activity Students’ activity PURPOSEI.Pre-task preparation 1. introduce thetopic1. give examplesto show the topic1. look at thetopic:2×32×3=6Multiply two bythree(instruction)Two multipliedby three equalssix (statement)to introducethe topic bygivingexamplesII.While-task procedure 1. instructionsabout numbers1. teach Ss how tosay the expressinstructions aboutnumbers1. learn how tosay the expressinstructions aboutnumbers1. 3+9=?Add 3 and 9.9-3=?Subtract 3 from 9.3×9=?Multiply 3 by 9.9÷3=?Divide 9 by 3.2. 3+9=123 plus 9 equals/ is12.9-3=6to learn how tosayinstructionsand statementsabout numbersand theirdiffenrencethroughexamples andexercises9 minus 3 equals/ is 6.3×9=273 multiplied by 9 equals/ is 27.9÷3=39 divided by 3 equals/ is 3. 3. pair work3. S1: Add 11 and 1.S2: 11 plus 1 eqauls 12.13-57×816÷4(14+4) ÷2(19-9) ×3III.Post-taskactivitiesmore practiceHomework 1. ask Ss to donore exercise1. finish theexercise on thetextbookWorkbook:p34to have morepractice教学反思：The Fifth Period (Grammar D)Language Targets:1. To learn what are imperatives2. To learn when we use imperatives3. To learn how to use imperativesAbility Targets:1. To be able to use imperatives in a polite way2. To be able to give instructions, orders and and advice by using imperativesEmotion Targets:1. To use imperatives in a polite wayLanguage focus and difficult points:1. vocabulary: turn to; speak louder2. positive imperatives: Do…/ Be…. (please).3. negative imperatives: Don’t…./ Don’t be….(please).Teaching Aids:1. Workbook 8A page35 & 362. Student’s Book 8A page623. Multi-mediaPROCEDURE CONTENTS Teacher’s activity Student s’ activity PURPOSEI.Pre-task preparation 1.introduction 1. review theinstructions aboutnumbers2. introduce theimperativesWe useimperatives togive instructions,orders or advice.Generally, we useimperatives onlywith people thesame age as us oryounger.Add 3 and 9.Divide 9 by 3.are imperatives.2. learn theimperativese.g.:Wash the clothesin warm water.Be quiet, Ben.Have some icecream, please.have a generalidea of what areimperatives andwhen we useimperativesII.While-task procedure 1. When dowe useimperatives?2. positiveand negativeimperatives1. to introducesome tips of usingthe imperativesGenerally, we useimperatives onlywith people thesame age as us oryounger.We do not useimperatives whenspeaking to peopleolder than usexcept in thefollowingsituationsa: emergenciesI’m bleeding. Callan ambulance!b: cheering:Go, Dad! Make agoal!c: some requests:Mum, help me,please.2. teach Ss thepositive andnegativeimperatives1. to learn sometips of using theimperatives2. to learn positiveimperatives:Give me yourhomework, Ben.Please turn offyour mobilephones.Be quiet, girls.To learn negativeimperatives:Do not turn onyour mobilephones.Don’t cope Jane’slearn when weuse imperativeslearn thestructures ofpositive andnegativeimperatives3. Tips 2. teach some tipsof using thepositive andnegativeimperatives work, Sally.Please don’t belate again!2. . learn sometips of using thepositive andnegativeimperatives●Use thebase formof verbsinpositiveimperatives. Adddon’tbefore thebase formof verbsinnegativeimperatives,e.g.,Give/Don’t give meyourhomework, Ben.●We mayaddpleasebefore thebase formof verbs,e.g.,Pleaseturnoff/don’tmake aconclusion4. exercises 4. ask Ss to dosome exerciseturn offyourmobilephones.We needto add bebeforeadjectiveswhen weuse themasimperatives,e.g.,Be/Don’tbe quiet,girls!4. A: Look at the example sentences in the table again. Which ones are polite?Please turn off your mobile phones.Please don’t be late again!B: What does the teacher say? Make sentenceswith the words or phrases in the box. Some of the sentences must begin with Don’t.practise using imperativesIII.Post-task activities 1. Morepractice2. homework1. ask Ss to think ,match and fill inthe blanks tofinish a poem1. 1) Sam’sgrandmother looksafter his littlesister, Pat. Sam iswriting a poemabout them. First,look at the wordsin these boxes,and find thecorrect pairs.2) Help Samcomplete hispoem. Use thewords and phrasesin C1. Begin someof them withDon’t.1.Workbook p 35& 36have morepractice of usingimperatives教学反思：The Sixth Period (Listening)Language Targets:1. To review different kinds of numbers through listening2. To review instructions and statements about numbers through listeningAbility Targets:1. To get familiar with certain common knowledge to do with numbers\2. To be able to identify different kinds of numbersEmotion Targets:1. To find numbers interestingLanguage focus and difficult points:Vocabulary: percentage; decimal numbers; fractions; odd numbers; even numbers; ordinal numbers; cardinal numbers; multiplied by; minus; divided by; plusTeaching Aids:1. Workbook 8A page362. Student’s Book 8A page 633. Multi-mediaPROCEDURE CONTENTS Teacher’s activity Students’ activity PURPOSEI.Pre-task preparation 1. a quiz 1. ask some Ss todo a quiz1. 1) read andmatchWhat percentageof Earth’s surfaceis water? About71%.How manydegrees are therein the three anglesof a triangle?180°talk aboutsome numbersin our lifeAsk Ss to Find the odd one in each group and tell the reason. Which two numbersmultiplied is 286?22 23Find a pair ofeven numbers. 2214What fraction ofthe human body iswater? 2/32) Find the oddone in each groupand tell the reason.69 odd number17% percentage1/3 fraction66 evennumber30.5° degreereviewdifferentnumbersII.While-task procedure 1. listen andcircle theanswer1. ask Ss to listenand circle theanswer2. ask Ss to listenand write downthe formulas andanswers below thepictures.1. Listen to therecording, anddraw a circlearound the rightanswer for eachitem. p632. Listen and writedown the formulasandanswers below thepictures.e.g. 0.5×3+2=3.51) listen and lookat the teacher’sexample2) listen twice andtry to write downthe other formulashave a reviewof differentnumbers byfinding acorrect numberpractise usingstatementsabout numbersthroughlisteningIII.Post-taskactivities1. More practice2. Homework 1. Ask Ss to domore exercise1) listen and writedown the numbers2) Listen andwrite what youhear. The first onehas been done foryou.3) Listen to theinstructions andwrite downnumbers 1 –5 inthe circles to showhow to use a CDplayer.1. Workbooks p36have morepractice oflistening aboutnumbers教学反思：The Seventh Period (Speaking) Language Targets:1.To learn how to say time correctly.2.To learn how to say a group of numbers correctly3. To have a review of the ways of reading different numbers and the statements about numbers Ability Targets:1. Be able to say time correctly.2. Be able to say a group of numbers correctly3. Be able to read different numbers and statements about numbers correctly4. Be able to solve practical problems when working with numbersEmotion Targets:1. To find it interesting to talk about numbersLanguage focus and difficult points:1. ways of saying time2. ways of saying a group of numbers3. ways of reading different numbers and statements about numbersTeaching Aids:1. Student’s Book 8A page63, 64 & 652. Multi-mediaPROCEDURE CONTENTS Teacher’s activity Students’ activity PURPOSEI.Pre-task preparation 1.dailyquestions1. ask somequestions1. answer somequestions:1) What is the timenow?2) What’s yourhome phonenumber?3) How much isthe uniform?4) How much is 30minus 13 ?answer somequesitons to dowith the topicsin the speakingexercisesII.While-task procedure 1.Say thetime in twoways.1. teach Ss to saythe time in twoways1. learn to say thetime in two ways1) p63e.g. 12：00noon / twelveo’clock2) Tips:a. We use past tolearn how to saytime correctly2. Say these telephone numbers 2. teach Ss how tosay telephonenumberssay times after thehour until half(thirty minutes)past the hour.b. We use to to saytimes before thehour from 31minutes until thefull hour.c. We use o’clockonly at the fulltime.d. We can also saythe numbers ingroups of two.2.1) When we saytelephone or IDcard numbers, wesay each numberseparately. For 0we say zero or oh.When two of thesame number aretogether, we cansay double beforethe number, forexample, 23412205—two threefour one, doubletwo zero five, ortwo three four one,two two zero five.(p 64)2) pay attention tothe tips:It is important topause when we saylong numbers. Weusually pause ifthere are more thanlearn how to saya group ofnumberscorrectlyAsk Ss to finish the exercise on the textbook four numbers. Payattention to thebreaks in thefollowing set ofnumbers. Say thenumbers below:253425342253-4232534-2332534-23303. May is callingher friend, Rita, onthe telephone.Listen to or readtheir conversation,and practise ituntil you can say itwell. Then work inpairs to check theother homeworkproblems in May’snotebook.(p 64)have a review ofthe ways ofreading differentnumbers and thestatements aboutnumbersIII.Post-task activities speak up Ask Ss to finishthe acticity on thetextbookMr Tang was astudent at yourschool 15 yearsago. He has givenyour school 35,000yuan. Hisinstructions are:●the moneymust beused tobuy threedifferentthings forthe school.●studentstry to solve apracticalproblem whenworking withnumbers2. Homeworkmustdecidewhat threethings tobuy ingroups.Work in groups of four and:1) decide on three things to buy with the money and how much you think each thing will cost;2) write down your decision, using the pattern below to help you.Workbook:p65教学反思：The Eighth Period (Writing) Language Targets:1. To read some cardinal numbers2. To finish a report by using correct verbs and numbersAbility Targets:1. To be able to write down some cardinal numbers correctly through listening2. To be able to read a line graph3. To be able to write a report according to a line graph4. To be able to write a complete composition by referring to anything learned in this unit Emotion Targets:1. To learn traffic accidents happen often and we need to be carefulLanguage focus and difficult points:1. cardinal numbers (listening, reading)2. past tense of some verbs: be-were, rise-rose, fall-fellTeaching Aids:1. Student’s Book 8A page 66 & 672. Multi-mediaPROCEDURE CONTENTS Teacher’s activity Students’ activity PURPOSEI.Pre-task preparation daily talk Elicit the topicNowadays, morepeople havemotorcycles andcars, so more trafficaccidents arehappening.Do you think so?To answer thequestionsintroducethe topic tobe talkedaboutII.While-task procedure some figuresabout trafficaccidents1. Introduce thesituation and ask Ssto fill in the table.1. listen to thrconversation andcomplete the tablebelow.Year Number of ac20002002200420062008listen forthe firsttime andget ageneralidea of thetalk2. ask Ss to read theconversation3. ask Ss to finish the exercises on page 67 on the textbook 2）read ther conversation3）Read the conversation again andwrite the figures onthe graph on the nextpage.（P67）(3,748/ 3,644/ 3,729/3,639)4)Complete the paragragha. Use the verbs be,rise and fall in thesimple past tense.b. Write the years andnumbers of accidents.The graph shows thatthere ______ 3,691traffic accidents in2000 in our city. In______, the number______ to ______ andit ______ to ______ in______. In ______,the number ______again to ______. It______ to ______ in______.(p67)checklisteningthroughreadingfinishwriting thenumberthroughreadingtry to writea reportabout theline graphIII.Post-task activities More practise Ask Ss to write acompositionNumbers in our life1) Do you know thehistory of numbers?2) Are numbersimportant?3) How do we useTo write a composition make aconclusionof numbersby writingaboutnumbersnumbers in our dailylife?4) Who use numbersa lot at work?5) What will happenif there are nonumbers?教学反思：The Ninth Period (More practice)Language Targets:1. To learn some facts to do with numbers2. To solve some maths problemsAbility Targets:1. To be able to collect information and find the imformation needed to finish a survey2. To be able to find out facts through discussion and looking up some materials3. To be able to give intructions about numbers in English fluently.Emotion Targets:1. To find numbers interesting and get interested.Language focus and difficult points:V ocabulary: percentage; decimal numbers; fractions; odd numbers; even numbers; ordinal numbers; cardinal numbers; multiplied by; minus; divided by; plusTeaching Aids:1. Student’s Book 8A page68, 692. Multi-mediaPROCEDURE CONTENTS Teacher’s activity Student’ activity PURPOSEI.Pre-task preparation daily questions Ask Ss somequestions1) What is 20plus20?2) Can you givean example of apercentage?3) Which one isan even number,234 or 423 ?4) Is 9 an ordinalnumber?Answer thequestionshave a reviewof differentnumbers byanswering thequestionsII.While-taskprocedure1. Do a survey2. discuss andanswer thequestions 1. Ask Ss to do asurvey2. Ask somequestions1. Do a survey ofthe class andcomplete thefollowing thereport on p 682. Try to answerthe followingquestions. Discussthe answers orallyin groups of four.1) Who inventedthe aeroplane?When were theyborn?Wilbur andOrville Wright.Wilbur was bornon 16 April 1867and Orville wasborn on 19 August1871.2) When was yourschool built?3) Which is thelongest river inhave practiceabout numbersstudents mayfind numbersuseful in ourdaily lifeChina? How long is it?Chang Jiang (Yangtze). It is 6,378 kilometres long.4) Which mountain is the highest in the world?How high is it?Mount Qomolangma. It is about 8,844 metres high.5) When was Nanpu Bridge built? How long did it take to finish the bridge?In 1991. About three years.6) What is the population of China now? What was it in 1949?About 1.3 billion. About 400 million.7) How big is Tian’anmen Square? How big is People’s Square in Shanghai?400,000 m2. 140,000 m2.8) How far is it from Beijing to Shanghai?How long does it3. do a puzzle 3. Ask Ss to do thepuzzle take to go toBeijing bytrain/plane?About 1,300 km.About 12 hours bytrain, one hourand a half byplane.9) What are theaveragetemperatures inwinter andsummer inShanghai?About 5ºC inwinter and 26ºC insummer.3. Do a puzzle.Give your partnerthe followinginstructions.Divide the answerhe/she gives youfor the lastinstruction by 4.Then tell him/heryour number. Thiswill be the numberhe/she firstthought of but didnot tell you.1) Think of anumber, but don’ttell me what it is.2) Add 1.3) Multiply theanswer by 2.4) Now add 3.5) Now multiplyby 2 again.6) Now subtractget studentsinterested innumbers。

牛津深圳版-英语-八上-Chapter 4 Computer technologyLanguage一

Chapter 4 Computer Technology(Language I )【学习目标】一、知识与技能：1、复习和进一步学习形容词的比较级和最高级规则变化2、能从听、说、读、写方面正确运用形容词比较级和最高级进行表达3、课前完成对上一节课所学内容的复习。

课堂听写重点词组1-12。

二、过程与方法：1. 运用图片或实物对比教学2. 在一定的语言情景中巩固所学三、情感、态度与价值观1. 能保持对英语学习的兴趣2. 能正确描述人或物的特点课前复习与思考课堂学习hslx3y3hI Duty report and everyday English. II DictationIII Homework checking and group learning（小组讨论，老师点拨）IV 集体纠正课前复习与思考中存在的主要问题V Language learningA. The comparative of adjectives--- 形容词的比较级1. 认真读以下句子，总结比较级的几种句型或特殊用法1) They are faster at calculating than people.2) He is c leverer than any other boy in our class.3) The more, the better.4) The boy becomes taller and taller.5) ① She’s much better now. ② I’m a little older than you.小结：1) _______________________________________________2) _______________________________________________3) ________________________________________________4) ________________________________________________5) _________________________________________________2. 用所给词的正确形式填空1) I think she looks ________________ than in the photo. (pretty)2) Is football much ___________________ than volleyball? (exciting)3) Which is a little______________, Room 201 or Room 108? (bright)4) Is computer ______________________ than I am? (clever)5) In summer, the days get _________and_________(long).6）The more friends we get, the _____________ (happy) we will be.7）China is ______________ (large) than any othe r country in Asia.3. 综合练习册 P35 A2 P37 DB. The comparative of adjectives--- 形容词的最高级1. 认真读以下句子，总结最高级的几种句型或特殊用法1) Mike is the tallest in our class.2) The red co at is the most popular of all.3) Changjiang is one of the longest river in the world.4) It’s the most interesting film I’ve ever seen.小结：1) _______________________________________________2) _______________________________________________3) ________________________________________________4) ________________________________________________2. Exercise1) Winter is ______ than autumn; it is _______________ of the four seasons. (cold)2) Susan’s flowers are _________________________ of all. (beautiful)3) Which is ____________________, the sun, the earth or the moon? (big)The sun is _______________________.3. Ex. 1) 课本P50 B1，B2 2) 完成综合练习册P36 形容词最高级练习。

Chapter 4《Computer technology》reading课件3(22页)

S1: May I ask you some questions? S2: Yes, please. S1: When did you first see computer? S2: Let me see. I first saw computer in 1997. What about you?
Read the text again and finish exercise D&E (P47)
scanning
1.What are hidden
helpers?
Computers.
2.Where may a computer hide inside?
They may hide inside a TV set, mobile phone, washing machine, micro- oven, many other machines.
Listen to the tape Pay attention to the pronuciation of the words.
Read the passage again, then ask and answer questions in pairs.
Here is a model for you
之外) calculating? 4. Can computer control railways? 5. In the future, who may computers
be better at doing their jobs than? 6. What are the interesting questions?
Keys: 1. Correct 2. Correct 3. are already cleverer