高三上学期英语高效课堂教学设计第1周：Unit 3 Computers

Unit 3 Computer 教学案Part One: Teaching Design (第一部分：教学设计)Period 1: A sample lesson plan for reading(WHO AM I？)AimsTo talk about computerTo read about computerProceduresI. Warming upWarming up by talking about computerLook at the pictures on page 17. What are they？What do they have in common？Yes，they are computers. Then what is a computer？A computer is a machine which stores knowledge in its memory and does calculations on that knowledge. This knowledge is stored in symbols；it is called data. A computer usually has a monitor to show results. However，some computers can speak；these computers can be used for voice mail.计算机室A computer frequently requires a boot device. The boot device contains the computer’s operating system and data. Computer programs can be installed onto a computer. Some people think that computers are less useful if they do not have access to the Internet. They think this because the Internet allows the computers to send and receive data and email across the world.曙光3000巨型计算机A computer is now almost always an electronic device. It usually contains materials which are toxic；these materials will become toxic waste when disposed of. When a new computer is purchased in some places，laws require that the cost of its waste management must also be paid for. This is called product stewardship.In some countries old computers are recycled (melted down) to get gold and other metals. This is dangerous，because this procedure releases the toxic waste into the water and soil.Computers become obsolete quickly. Very often they are given away and new ones replace them within two or three years. This makes the problem worse. Computer recycling is thus common. Many projects try to send working computers to developing nations so they can be re-used and will not become waste as quickly.Computer jargon 计算机行话Computer jargon means words to do with computers and surrounding topics. Knowing what these words mean can help you know more about computers. Some people use these words to impress other people (Also known as buzzwords).Examples of jargon:Bit - The smallest data unit，can either be a “0.” or a “1.”.Byte - unit of data. See also Kilobyte，Megabyte，Gigabyte and NibbleCPU –Central Processing Unit，Another name for processorData - Information stored on a computerDisk - A place to store data.Email - Electronic mail.GHz - Gigahertz. Used often incorrectly to describe the speed of a processor. But with some 2.4 GHz processors faster than 3.6 GHz ones，it is clear that it is just a salesman trick.Load - Get data from a diskNibble - Half a ByteSave - Put data on a diskRAM – random-access memory(随机存取存储器)，the more the better.USB - Universal Serial Bus(通用串行总线，一种简化了插接多种附件的薄型插座)WWW - World Wide Web，part of the InternetII. Pre-reading1. Questioning and answering---What do you know about computer？●Electronic machine capable of performing calculations and other manipulations of various types of data，under the control of a stored set of instructions. The machine itself is the hardware；the instructions are the program or software. Depending upon size，computers are called mainframes，minicomputers，and microcomputers. Microcomputers include desk-top and portable personal computers.●A multi-function electronic device that can execute instructions to perform a task.●A device that accepts information，processes it，and supplies an output. A computer usually contains memory，a control unit，arithmetic and logical units，and a means for input and output.●a programmable hardware component that is controlled by internally stored programs and that can perform substantial computations (including arithmetic and logic operations) without human intervention. A computer typically consists of one or more processing units，memory units，and associated peripheral input and output devices.●Related to automation and electronic data processing. The Library of Congress commonly classes most computer-related books in HF5548，QA75-76，Z52，T385，and some TK ranges.●a machine for performing calculations automaticallycalculator: an expert at calculation (or at operating calculating machines)●A computer is a device or machine for making calculations or controlling operations that are expressible in numerical or logical terms. Computers are constructed from components that perform simple well-defined functions. The complex interactions of these components endow computers with the ability to process information. If correctly configured (usually by，programming) a computer can be made to represent some aspect of a problem or part of a system. If a computer configured in this way is give2. Discussing and sharing---How have computers changed our lives？Someday soon，if y ou haven’t already，you’re likely to plug into the computer network nation growing in our midst. Computer terminals，or small computers connected via modem (a modulator/demodulator circuit for encoding/decoding computer chatter) to ordinary telephone lines，should be as ubiquitous as the telephone itself. They’re a much more useful and humane tool than the phone，and with corporate America behind them the networks will be everywhere----changing our lives more than any technology since the automobile.Joining a computer network is the same as joining a community. Small systems are like villages，where new members are formally welcomed. The larger networks，the Source and CompuServe，for example，are cities-anonymous，full of life and events，but difficult to fit into.III. Reading1. Listening and reading to the recording of the text WHO AM I？Turn to page 18 and listen and read to the recording of the text. Pay attention to the pauses，pronunciation and intonation of the native reader.2. Reading aloud and underlining expressionsNow we are to read the text once again and underline all theexpressions in the text. Put them down into your notebook after class ashomework.Collocations from WHO AM I？begin as…，a calculating machine，be built as…，follow instructionsfrom…，sound simple，at the time，a technological revolution，write a book，make…work，solve problems，become huge，had artificial intelligence，go back to…，the size of…，go by，change size，become small and thin，get quick，stand there by oneself，be connected by…，share information by…，talk to…，bring…into…，deal with…，communicate with…，serve the human race3. Reading，identifying and settlingAttention，please！It is time to skim the text one more time and identify the difficult sentences. Try analyzing the structures of the difficult sentences and discuss them among your group members. You may also put your questions to me for help.Chat (online)(在线)聊天To chat is to talk about ordinary things that are not very important. You can chat to one person or to many people. People also use this word now for parts of the Internet where we can talk with many different people at the same time. Usually，you chat on the internet in a chat roomor messaging service like AOL(American On-Line) Instant Messenger (AIM)，Yahoo Messenger，or MSN Messenger.4. Reading and transferringScan the text for information to complete the table below，describing the development of computer.In 1642In 1822In 1936In 1960sIn 1970sIV. Closing down by doing comprehending exercisesTurn to page 18 and in pairs do the comprehending exercises No. 1 and 2.Period 2: A sample lesson plan for Learning about Language(The Present Perfect Passive V oice)AimsTo learn to use The Present Perfect Passive V oiceTo discover useful words and expressionTo discover useful structuresProceduresI. Warming up by reading to the tapeTo begin with，turn to page 18，listening to and reading to the recording of the text WHO AM I？Attention goes to the pauses and intonation，as well as the pronunciation of the reader.II. Discovering useful words and expressionsIn pairs do the exercises 1，2 and 3 on pages 19 and 20. You must finish them in 10 minutes.III. Learning about grammar1. Passive Voice—Overview2. The Present Perfect Passive V oiceThe structure of The Present Perfect Passive V oice is: have/ has ＋been＋~edIV. Reading aloud and discoveringNow go back to page 18 to read aloud and discover in the text examples of The Present Perfect Passive Voice.V. Discovering useful structureWe shall do grammar exercises 1，2 and 3 on page 20.VI. Closing down by doing a quizCorrect the mistakes in these passive voice sentencesExample: The house was build in 1880. (correct = The house was built in 1880.)1. 3000 employees were laying off.2. A story will made up.3. An idea was putted forward for discussion.4. Has the book been give back to you yet？5. My bank loan will be payed off in five years time.6. Nothing can be hold against me.7. Our allies will be lend support.8. She has never heard of.9. She was being knocked down by a bus.10. She was letted off with a fine.11. The candle was blow out by the draught.12. The criminal were locked up.13. The flood water was be kept back by barriers.14. The inconvenience will made up for by this money.15. The keys must have been being left behind.16. The old cinema is being pull down.17. The protesters being held back by the police.18. The road was blocking off.19. Thirty more people were laid off last week.20. Your jacket can be hanged up over there.Period 3: A sample lesson plan for Using Language(ANDY— THE ANDROID)AimsTo discuss about ITTo write a report about ITTo read about androids or robotsProceduresI. Warming up by talking about ITWhat is Information technology？Information technology (IT) or information and communication technology (ICT) is the technology required for information processing. In particular the use of electronic computers and computer software to convert，store，protect，process，transmit，and retrieve information from anywhere，anytime.II. Listening and writingTurn to page 21. Look at the pictures and listen to a conversation about different kinds of information technology or IT，discuss and write down in groups the advantages and disadvantages of each kind.III. Speaking and writingSuppose you and your partner are going to help choose computers for your school. Now talk about the special things each of the computer can do and write a report to your headmaster.IV. Reading，underlining and speakingIt is said that computers could be put into androids or robots. Read the text Andy—The Android，underlining all the expressions and think of the fun you could have！Expressions from Andy—The Androidpart of a football team，once a year，get together，play a football game，be as…as…，in fat，look like...，on the football team，run fast，think like a human，shout to (i)computer language，have a good shot for a goal，get second place，win the first place，have a new kind of program，improve one’s intelligence，create a better system，play against a human team，in a way，program…with…，make up…，after all，with the help of…V. Writing a letterSuppose you are an android. What would say to a spoiled child who would not do his homework？Write a letter to the boy.AndroidAn android is an artificially created being that resembles a human being. The word derives from Greek Andr- ‘man，human’ and the suffix-eides used to mean ‘of the species，kind，alike’ (from eidos ‘species’).The word droid，a robot in the Star Wars universe，is derived from this meaning. Some people maintain that，etymologically，the word android means resembling a male human and that a robot resembling a woman should logically be called a gynoid for sexist language to be avoided；however，this word is not commonly used.Unlike the terms robot (a mechanical being) and cyborg (a being that is partly organic and partly mechanical)，the word android has been used in literature and other media to denote several different kinds of man-made，autonomous creations:a robot that closely resembles a humana cyborg that closely resembles a humanan artificially created，yet primarily organic，being that closely resembles a humanAlthough essentially human morphology is not the ideal form for working robots，the fascination in developing robots that can mimic it can be found historically in the assimilation of two concepts: simulacra (devices that exhibit likeness) and automata (devices that have independence).The termandroid was first used by the French author Mathias Villiers de l'Isle-Adam(1838-1889) in his work Tomorrow’s Eve，featuring a man-made human-like robot named Hadaly. As said by the officer in the story，“In this age of Realien advancement，who knows what goes on in the mind of those responsible for these mechanical dolls.”Part Two: Teaching Resources (第二部分：教学资源)Section 1: A text structure analysis of WHO AM I？I. Type of writing and summary of WHO AM I？Type of writing This is a piece of narrative writing.Main idea of the passage Beginning as just a calculating machine in 1642 inFrance，the computer has been experiencingimprovement again and over again over 300years ormore，which has not only made it more beautiful andintelligent but also changed man’s life a great deal！Topic sentence of 1stparagraphI began as a calculating machine in 1642 in France.Topic sentence of 2nd paragraphNo one could recognize me after I got my new transistors in the 1960s.II. A chain of events showing the development of computera calculating machine in 1642 in France → an Analytical Machine in 1822 → a “universal machine.” in 1936 → the size of a large room → made smaller and smaller → getting new transistors in 1960s→ clever and quicker → a network in the early 1960s → talking to humans using BASIC in the early 1960s → brought into people’s homes in 1970s → Internet III. A retold version of the text WHO AM I？I，the computer，was a calculating machine in 1642 in France. Then Iwas built as an Analytical Machine in 1822，which was a technological revolution. I became a “universal machine” in 1936 to solve any mathematical problem. I was not very big at first then I became huge，the size of a large room before I was made smaller and smaller.Getting new transistors in 1960s I became clever and quicker. I was connected with other computers and turned out to part of a network in the early 1960s. Then I began talking to humans using BASIC in the early 1960s. In 1970s I was brought into people’s homes，and came the Internet.Section 2: Background information computersI. How Do Computers Work？Computer BasicsTo accomplish a task using a computer，you need a combination of hardware，software，and input.Hardware consists of devices，like the computer itself，the monitor，keyboard，printer，mouse and speakers. Inside yourcomputer there are more bits ofhardware，including themotherboard，where you wouldfind the main processing chipsthat make up the centralprocessing unit (CPU). Thehardware processes thecommands it receives from thesoftware，and performs tasks or calculations.Software is the name given to the programs that you install on the computer to perform certain types of activities. There is operating system software，such as theApple OS for a Macintosh，or Windows 95 or Windows 98 for a PC.There is also application software，like the games we play or the tools weuse to compose letters or do math problems.You provide the input. When you type a command or click on an icon，you are telling the computer what to do. That is called input.How They Work TogetherFirst，you provide input when you turn on the computer. Then the system software tells the CPU to start up certain programs and to turn on some hardware devicesso that they are ready for more input from you. This whole process iscalled booting up.The next step happens when you choose a program you want to use.You click on the icon or enter a command to start the program. Let’s usethe example of an Internet browser. Once the program has started，it is ready for your instructions. You either enter an address (called a URL，which stands for Uniform Resource Locator)，or click on an address you’ve saved already. In either case，the computer now knows what you want it to do. The browser software then goes out to find that address，starting up other hardware devices，such as a modem，when it needs them. If it is able to find the correct address，the browser will then tell your computer to send the information from the web page over the phone wire or cable to your computer. Eventually，you see the web site you were looking for.If you decide you want to print the page，you click on the printer icon. Again，you haveprovided input to tell the computer what to do. The browsersoftware determines whether you have a printer attached to yourcomputer，and whether it is turned on. It may remind you to turnon the printer，then send the information about the web page from your computer over the cable to the printer，where it is printed out.II. TelevisionOld portable televisionA television (also TV or telly) is a device (tool) with a screen that receives broadcast signals and turns them into pictures and sound. The word “television” comes from the words tele (Greek for far away) and vision (seeing).Usually a TV looks like a box. Older TVs had large wooden frames andsat on the floor like furniture. Newer TVs became smaller so they could fiton shelves，or even portable so you could take it with you wherever youwent. The smallest TVs can fit in your hand. The largest TVs can take up awhole wall in your house，and may sit on the floor，or be just a large flat screen that can be mounted on the wall. Many TVs are now made in wide screen shape like movie theatre screens，rather than old，more square TVs.A television has an antenna (or aerial)，or it has a cable. This gets the signal from the air，or cable provider. TVs can also show movies from DVD players or VCRs. TVs can be connected to computers and game consoles，usually through a kind of socket called “SCART”.III. Web or World Wide WebThe World Wide Web is the part of the Internet that contains web sites and web pages.It is not used to describe WebPages that are used offline where net services are not available，or no computer network exists - such as Wikipedia on CD. In this case no real physical site exists other than the place where the computer is. Blog and Wiki capabilities will also not be available because these require a communication with other computers.IV. RadioRadio is a communications invention. Though originally used to communicate between two people，it is now used to listen to music，news，and people talking. Radio shows were the predecessor to TV programs.V. DVDDVD most commonly stands for “digital versatile disk”. It can playvideo that is of a higher quality than a VHS tape.VI. Two kinds of DVDThey can also hold 4.7 GB of information as opposed to the 700 MB that a CD can hold. A plus of using a DVD for a video is the ability to have interactive menus and bonus features such as deleted scenes and commentaries.VII. EmailEmail (electronic mail) is a message，usually text，sent from one Internet user to another. Email is quicker than snail mail(mail) when sending over long distancesand is usually free. To send or receive an email，a computer with amodem and telephone line connected to the Internet，and an emailprogram are required. Email addresses are generally formated like this:login@server.(com or fr or org or uk or other).Some companies let you send and receive email for free from a website. Gmail，Hotmail and Yahoo！do this.VIII. HumanHere are two humans.A man is on the left and a woman is on the right. A human or human being is a person，like you. A male human is a man，a female human is a woman. If you think about all humans in the whole world，they are called humanity. In the past，people have also used man and mankind to mean all humans.Humans are called Homo sapiens by scientists. Humans are an animal species that belongs to the group called primates. Monkeys are primates too，but the primates most like people are gorillas and chimpanzees. Most scientists think that chimpanzees and humans came from a common ancestor by what is called evolution. Other animals even more like humans than chimpanzees once lived too，but they are now extinct.Human rights are those things that everyone deserves and the way they should be treated by other people.Section 3: Words and expressions from Unit 3 Computerscommonn. 1. an area of grassland with no fences which all people are free to use or a piece of open land for recreational use in an urban area (常用于专有名词中): Every Saturday Jean went riding on the village common. Harlow Common is very beautiful in winter.哈洛公园在冬天时风景很美。

The General Idea of This Period：This period is to help the Ss to elevate their acquisition aboutcomputers androids and IT and their ability of employing the words，expressions，grammar learned in this unit.Teaching Aims：1.Elevate efficiently the students’ knowledge about computers，androids and IT.2.Elevate the Ss ability of using the words and expressions and grammar learned in this unit.Teaching Important and Difficult Point：Help the Ss learn to assess whether their knowledge about this topic has increased.Teaching Methods：1.Question-and-answer activity.2.Pair work and group work to make the students work in class.Teaching Aids：1.A multimedia.2.A blackboard.Teaching Procedures：Step 1 GreetingsT：Good morning，boys and girls.Ss：Good morning，Miss.Step 2 RevisionT：So far we have finished this unit which is about...?Ss：It’s about the history and development of computers.S1：I have learned tremendous about the computers，androids and I’ve made up my mind to learn computer science in the future if possible.T：Terrific.Step 3 AssessmentT：Today we are going to see how hard you worked and how much more you know about computers.Now work with your partners and finish these questions first.非测试性评价1.To what extent are computer and Internet becoming part of your life?I use the computer and/or Internet to：—type my homework—draw pictures—play games—communicate with my friends—gather related information for my lessons.—buy the things I like，eg： books and clothes.—listen to music—watch movies.2.What else do you think the computer and Internet will help you to do?_______________________________________________3.Which part（s）of the computer do you think need（s）more improvement?Why?You can use Exercise 1 in the workbook（P56）as reference for the parts of the computer._______________________________________________4.Look at the flow chart explaining how the computer technology has been developing and complete it with your partners.Then give a brief oral presentation on the development of computertechnology with the help of the chart.When you’re preparing it，you can refer to the reading passage on Page 18 of the Student’s Book.Your oral presentation will be less than three minutes.测试性评价Ⅰ.单词拼写1.In c with most educated people，he prefers classical music to jazz.2.The invention of computer was a ______（技术的） revolution.3.He is quite clever a boy though he looks s -minded.4.In the past 20 years，my hometown has t changed.puters are often used to deal with information and communicate with each other around the world by the I .6.There are many ways of ______（通讯） in the modern world，such as telephone，fax，and so on.7.In the early 1960s，computers were connected by a n ，so that people could share information and talk to each other.8.He is so clever that he is considered to have high ______（智力）.9.She was ______（徘徊） up and down the road，not knowing what to and where to go.10.Could you tell me the advantages and d of being famous?Possible answers： mon 2.technological 3.simple 4.totally 5.Internet munication work 8.intell-igence 9.wandering 10.disadvantagesⅡ.句型转换/完成句子1.Personally，I think the team who won first place cheated.______ ______ ______，I think the team who won first place cheated.2.I’m afraid something urgent has risen；I won’t be able to see you tonight.I’m afraid something urgent has ______ ______；I won’t be able to see you tonight.3.As time ______ ______（流逝），my memory seems to get worse.4.They’ve bought many books which are ______ ______（适合） teenagers.5.The new type of mobile phone is expensive.______，it’s worth buying it.6.He was foolish enough to accept her invitation.He was ______ foolish ______ he accepted her invitation.7.How are you going to ______ ______（处理） the water pollution of the area?8.You have to ______ ______ ______（做出决定） whether to accept the job or not.Possible answers：1.In my opinion e up 3.goes by 4.suitable for 5.Anyway/Anyhow 6.so，that 7.deal with 8.make a choiceStep 4 The Design of the Writing on the BlackboardUnit 3 ComputersPeriod 6In my opinion so...thatcome up deal+withgoes by make a choicesuitable...forStep 5 Record after TeachingActivities and Research：Whether or not should the computer be used in teaching?Suppose your classroom has been equipped with a computer.Your teachers have used a lot the computer in their teaching.Some of your classmates are for using the computer in teaching，but the others are against using the computer in teaching，and you try to work in two sides：1.Bring this topic to your classmates，and divide the class into two sides，each of which has several small groups.2.Make a list of the advantages/disadvantages about using the computer in teaching based on the opinions or ideas of those who are for/against using the computer in teaching.3.Share your list with other groups，put your lists together to make one comprehensive list out of what each groups has come up.4.You may also want to read and surf the Internet about different views on using the computer in teaching to find more reasons to support your ideas.5.Then，come to a reasonable decision about whether or not the computer should be used in teaching.6.Create a debate in class on whether or not the computer should be used in teaching.7.While debating，you will try to use the following expressions.I think that... Yes，I think so. I don’t think so. I agree that... I don’t agree. I’m afraid not. In my opinion，In addition， Besides， First...，second...， In a word/In brief。

Unit 3 Computers(一) 教学案本讲目标In pairs discuss what they have in common.1. We share a common goal.2. This illness is common among the children.3. The twin sisters have something/much/nothing/little in common.Although I was young I could simplify difficult sums.1. The machine is very simple to use.2. You can enjoy all the water sports，or simply lie on the beach.3. The application forms have now been simplified.题一：_________ money has been given to him for his moving away.A. A lots ofB. A great many ofC. A large number ofD. A large sum ofI developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.题二：He was told that it would be at least three months _______ he could recover and return to work.A. whenB. beforeC. sinceD. that题三：It is ten years ______ I smoked last time.A. beforeB. sinceC. tillD. afterAs time went by，I was made smaller.题四：____ time going by，he changed little by little.A. AsB. WhenC. WithD. For题五：______more and more forests destroyed，some animals are facing the danger of dying out.A. AsB. WithC. ThroughD. Forgoes by1. As time goes by，my memory seems to get worse.2. Did you see a boy go by on a bicycle？3. It’s not always wise to go by appearances.As a result，I totally changed my shape.题六：完成句子。

Unit 3 Computers（讲课日期：年月日星期班级）Unit 3 Computers 拟课时讲课题目第课时明确目标 1 、知识与技能： Enable the students to review some useful wor ds and expressions.2、过程与方法：Read th e writing passage and do some practce and check theanswers.3 、情感态度与价值观： Develop the students ’correct attitude towardscomputers.要点难点要点： Help the students to review the usedul expressions.难点： Help the students to review the usedul expressions.课型□解说□习题□复习□议论□其他教学内容设计师生活动设计Step I. Writi ng passageAsk the students to read the passage aloud and then pay attention tosome useful points.Be popular with/be addicted to/a heated dis cussion/relax/colorful/Some...others/what’s more/no pains, no gains/hold th e opposite idea/A waste of time/fall into the habit of/do harm to/physical an d mentalhealth/As far as one is concerned/devote...toStep II.Fi ll in the blanksKeys: 1.anyhow 2. produ ce 3. reality 4.application 5.exploration6. solve7. type8. apply9. goals 10. signedStep III.PhrasesTranlate the Chinese into English.Keys: 1. as a result 2. deal with/do with 3. human race 4. in a way5. have...in common6. from then on7. so...that8.with the help of sbStep IV. HomeworkTry to memorize the words and phrases.因材施教：讲课后记：。

Unit 3 Computers 教学设计【单元重点内容与教学目标】本单元的话题是IT技术，计算机的发展史和机器人。

warmingUp部分通过展示算盘、计算器、计算机等图片，引导学生思考计算机的不同形式，并要求学生运用“做决定”的表达。

Pre-reading提出两个问题，引导学生谈论计算机对我们生活的影响。

引起学生对计算机这个话题的兴趣。

Reading部分运用拟人的手法，以第一人称的身份按时间顺序介绍了计算机的发展史。

comprehending部分主要要求学生掌握以时间为线索的的特点，并能通过填写时间表来归纳出的主要信息。

LearningaboutLanguage部分的练习引导学生关注新出现的词汇以及形容词和副词的区别；并且通过仿照例子，初步掌握“现在完成时的被动语态”。

UsingLanguage部分的听说读写都是围绕不同形式的信息技术和不同种类的电子计算机各自的优缺点这两个话题展开训练。

而且要求学生在听说读之后，能用上“做决定”、“推理”的表达法和“现在完成时的被动语态”进行报告，学会写作关于机器人话题的。

LearningTip部分建议学生多从图书馆、报刊、杂志、网络等途径，多方面来增加词汇、提高听说读写的能力。

【教学设计】将warmingUp部分与Pre-reading,Reading,comprehending 部分放在同一课时教学，设计成一节阅读课。

将LearningaboutLanguage及workbook（wB）中的UsingStructures放在一起教学，上一节词法、语法课。

把UsingLanguage中的Readingandspeaking部分的阅读布置为课外阅读作业。

将UsingLanguage中的Listeningandwriting，Speakingandwriting（把ReadingandSpeaking中的任务改为“向老师销售电脑”）和writing部分设计成一节语言运用课（1），重点是培养学生“说”的技能。

教学设计因为本文是一篇说明文，讲计算机的发展和历史，为避免枯燥，提高学生兴趣和参与度，就想到了一个贯穿课堂始终的游戏：play chess.这是在看到人与机器人下棋这个图片时想到的。

全班分成六个组来博弈，每回答一个或多个问题可走一步或多步。

导入：利用时事新闻和人机下棋的图片以及机器人的图片快速导入课文。

阅读：快速阅读设了两个大的问题，一个是要学生找出文章的主旨大意；一个是以时间为顺序，理清文章的发展脉络。

细读分段分析，主要通过设置与文章有关的问题和填表，填空的形式，附以游戏：play chess 来进行。

评测练习：设置了两个问题，一个是小型的完型填空，与计算机有关，同时，也为后面的discussion 打基础。

另一个问题是summary,帮助学生回顾课文，同时检查自己在这篇文章中的学习情况。

讨论：先看一小段视频，《Robot》的一个片段。

然后，引领学生思考：With the development of computers,will they replace human being in the future? 进一步升华学生对本篇文章的学习,练习学生的表达能力和小组协作能力，增加学生的参与感。

作业：设置了一篇写作，介绍一个叫Allen的机器人，同时也是对课堂讨论的进一步思考。

学情分析我们是一所县级中学，学生的英语水平普遍不高。

学生压力大，学习策略和方法较为死板，习惯于题海战术，喜欢上课认真听老师讲课，较少主动的参与。

所以，应想方设法激发学生的兴趣，使其主动融进课堂学习。

效果分析Summary 和Cloze test 属于客观性题目，且与所学课文内容有关，学生表现积极，效果良好。

Discussion属于主观性题目，输出性较强，有些学生表现很好，积极参与，积极发言，而且思维清晰，条理清楚，能明确表达出自己的观点；有的学生可能在小组里讨论的很好，但却不敢站起来发言，或是汉语知道怎么说，英语却不会表达。

Unit 3 Computers一、课前基础自查(一)分类记单词——省时高效(三)仿写明句式——以用为本1．solve vt.解决；解答[自主体验]单句语法填空①With most of the problems solved (solve), I felt a great weight taken off my mind.②It may take a long time to find a solution (solve) to the problem.[系统归纳](1)solve problems 解决问题(2)solution n. 解决办法；处理手段a/the solution to sth. ……的解决方法[重点强化]易错处处防③With this problem solving, this kind of medicine is now in regular production.solving→solved佳句时时写④为了解决这个问题，我和我的朋友一心想要给学校提点建议。

In_order_to_solve_the_problem,_I, together with my friends, am bent on making some suggestions to our school.2．signal vi.& vt.发信号n.信号[自主体验]句式升级The bell rang, and signalled that school was over.①The bell rang, which_signalled_that_school_was_over.(非限制性定语从句)②The bell rang, signalling_that_school_was_over.(分词作状语)[系统归纳](1)signal to sb.to do sth. 示意某人做某事signal (to sb.) that ... 示意(某人)……(2)a traffic signal 交通信号send out a signal 发出信号易错处处防③She signalled the other girls that everything was all right.signalled后加to佳句时时写④肢体语言能泄露很多你的情绪，因此，双臂交叠站着传出的信号是你处于防御状态。

Unit 3 ComputersReading教学设计教学目标In this class, you are supposed to...1.learn the development of computer2.m aster the reading skills of exposition (说明文)writing, such as skimming, scanning and getting the main idea of the passage3.describe the computer in the futureUseful phrases课前预习案1.calculating machine 3.analytical machine2.simplify4.c ard with holes5.t echnological revolution6.artificial intelligence7.universal machine 8.transistor9.memory work 11.World Wide Web Period 1 Fast-reading课中探究案Task1 Reading for important information1.Look through the passage to find out who the speaker is.2.W hich type / style does the text belong to ?A. Description(描写)B. Narration(叙述)C. Exposition(说明)D. Argumentation(议论)Task2.Find the topic sentence of each paragraph and underline them. Para 1Para 2Para 3Find the key words in each topic sentence and summarize the main idea.The main idea of the passage isTips: A topic sentence is usually the sentence or the sentence of a paragraph. A topic sentence summarizes(总结) the main idea of a paragraph.Period 2 Detail-readingTask1. Read the whole text，and finish the 3 mindmaps.（细读全文完成三张思维导图）Task 2. ExplorationQuestion：How does the article develop?A. by comparison (对比)B. by spaceC. by timeD. by examplePeriod 3 PracticeTask1 .Listening and speakingListen to the tape and complete the short passage(根据听力材料，完成本文缩写短篇）Over time, I have been changed quite a lot. I began as a calculating machine in France. And it took nearly 200 years before I (build) as an analytical machine. After I was programmed by an operator, I could “think”. By the 1940s, I had grown a room. As time went by, I was made smaller.These changes only became possible as my memory . First it was stored in Tubes, then on transistors and later on very small . In the early 1960s, I was able to share my knowledge others through the World Wide Web.Since the 1970s many new applications (find) for me. Anyhow, my goal is to provide humans with a life of .Task 2. Mini-writing 科普知识与现代技术——电脑1.近来，高智商的机器人出现了。

Unit 3puters语言要点单元要点预览（旨在让同学整体了解本单元要点）Ⅰ词语辨析(旨在提供完形填空所需材料)Ⅱ词性变化（旨在提供语法填空所需材料）Ⅲ重点词汇（旨在提供综合运用所需材料）1.sumn.金额; 款项;总数; 总和[典例]1). He was fined the sum of 200. 他被处以200英镑罚金。

2). The sum of 5 and 3 is 8. 5加3的和是8。

[重点用法]in sum简言之; 总而言之sum sb/sth up形成对某人[某事物]的看法[练习] 中译英1). 总之, 计划告吹了。

_________________________________________________________________________________ ____2).我认为她是个很能干的经理。

_________________________________________________________________________________ ____Keys: 1). In sum, the plan failed.2). I summed her up as a petent manager.2. advantage n.优点；优势；有利条件[典例]1). He has the advantage of a steady job. 他有工作稳定的有利条件。

2). They took full advantage of the hotel's facilities. 他们充分利用旅馆的设备。

[重点用法]take advantage of 对……加以利用；欺骗to sb.’s advantage 对某人有利have /get/win an advantage over （of）胜过；优于[练习] 中译英1).协议对我们有利。

_________________________________________________________________________________ ____2).她利用了我的慷慨。