Unit 3 Computers 教案

1、Unit 3 Computers 教案第一篇：Unit 3 Computers 教案 Unit 3 Computers I. 单元教学目标 技能目标 Skill Goals Talk about information technology and robots Read about the history and basic knowledge of computers Practice making decisions Listen to a text about information technology Write a passage about an android Study T

2、he Present Perfect Passive Voice II.目标语言 功 能 句 式 Making decisions The advantage / disadvantage is I think / dont think that Whats your reason? What makes you think so ? I think because (of) I believe that I agree / dont agree because Ive decided that As / Since , I think 词 汇 1四会词汇 solve, explore, an

3、yhow, human race, signal, goal, type, arise, electronic 2认读词汇 calculate, universal, simplify, sum, operator, logical, logically, technology, technological, revolution, artificial, intelligence, intelligent, reality, personal, personally, tube, total, totally, network, web, application, finance, mobi

4、le, rocket, happiness, download, virus, coach, appearance, character, mop, niece, abacus, calculator, PC, laptop, PDA, analytical, mathematical, designer, transistor, chip, Mars, programmer, android, teammate, naughty, spoil 3词组 fromon, go by, as a result, sothat, in a way, with the help of, deal wi

5、th, watch over 结 构 The Present Perfect Passive Voice 重 点 句 子 1. Over time my memory has developed so much that, like an elephant, I never forget anything I have been told! 2. And my memory became so large that even I couldnt believe it! 3. As time had gone by, I have been made smaller and smaller. 4

6、. I have been used in offices and homes since the 1970s. 5. Since the 1970s many new applications have been found for me. 6. I have also been put into robots and used to make mobile phones as well as help with medical operations. 7. I have even been put into space rockets and sent to explore the Moo

7、n and Mars. 3. 课型设计与课时分配（经教材分析，根据学情，本单元可以用五课时教完） 1st Period Intensive reading 2nd Period Language study 3rd Period Listening and Speaking 4th Period Integrative skills (I) 5th Period Integrative skills (II) V. 分课时教案 The First Period Intensive Reading Teaching goals 教学目标 1. Target language 目标语言 a. 重点

8、词汇和短语 simplify logically technological revolution solve fromon personal as a result totally sothat network Web application explore anyhow human race b. 重点句子 Over time my memory has developed so much that, like an elephant, I never forget anything I have been told! And my memory became so large that

9、even I couldnt believe it! 2. Ability goals 能力目标 Enable students to learn about the development and history of computers. 3. Learning ability goals 学能目标 By finishing the timeline and the chart, help students grasp the basic structure and main idea of the passage. Teaching important and difficult poi

10、nts 教学重难点 Understand how details are used to support topic sentences. Teaching methods 教学方法 Prediction, scanning and discussion. Teaching aids 教具准备 Projector and tape recorder. Teaching procedures & ways 教学过程与方式 Step I Warming-up T: How many of you have computers in your home? Please put up your

11、 hands. Step II Pre-reading Prediction Let students predict the content of the passage according to the pictures and the title. This will involve students in active thinking and exploring. Then let them make a list of the ways computers are used today. Step III Reading Skimming Get students read the

12、 whole passage and try to get the main idea of it. Scanning T: Correct! Now read the passage and finish the timeline. With this timeline, you will have a clear idea of the development of computer. Check the answers. Step IV Discussion Deal with activity 3 on page 19. Let students discuss how compute

13、rs have changed our lives? Step V Homework (retelling) T: Suppose you work for an information technology magazine. Write a short passage which briefly introduces the history and development of computers. Dont write in the first person. The Second Period Language study Teaching goals 教学目标 1. Target l

14、anguage 目标语言 a. 重点词汇和短语 revolution network simplify sum mobile solve explore totally anyhow finance artificial technology intelligent application Web reality logically b. 重点句子 As time had gone by, I have been made smaller and smaller. I have been used in offices and homes since the 1970s. Over time

15、my memory has developed so much that, like an elephant, I never forget anything I have been told! 2. Ability goals 能力目标 Enable students to learn the meanings and use of some key words in the reading passage. Enable students to learn the form and function of present perfect passive voice. 3. Learning

16、 ability goals 学能目标 By writing a poem using present perfect passive voice, enable students to use the structure freely and creatively. Teaching important and difficult points 教学重难点 How to change the sentences into the present perfect passive voice. Teaching methods 教学方法 Personalization, Induction an

17、d imitation. Teaching aids 教具准备 Projector and tape recorder. Teaching procedures & ways 教学过程与方式 Step I Revision Check the homework. Ask two students to read the passage they have written. Their passage should be brief and include the key information or facts about the development of computers. S

18、tep II Discovering useful words and expressions T: Look at activity 1. These are the meanings of some words or expressions in the text we learned yesterday. Find out these words or expressions. Step III Discovering useful structures Let students find sentences in the present perfect passive voice in

19、 the text and then analyze their form and function. (Activity 1 on page 21.) Students may find the following sentences: Step IV Workbook Exercises Give students some time to finish USING WORDS AND EXPRESSIONS and USING STRUCTURES in Workbook individually. If time is limited, leave them as homework.

20、The Third Period Listening and Speaking Teaching goals 教学目标 1. Target language 目标语言 功能句式 The advantage/disadvantage is I 2. Ability goals 能力目标 Enable students to talk about the advantages and disadvantages of each form of IT by using the reasoning expressions. 3. Learning ability goals 学能目标 Help stu

21、dents learn how to make use of the reasoning expressions. Teaching important and difficult points 教学重难点 Reasoning expressions Teaching methods 教学方法 Discussion Teaching aids 教具准备 Tape recorder Teaching procedures & ways 教学过程与方式 Step I Lead-in Introduce the term “information technology”. T: We are

22、 now in a new century. As you may have heard, it will be a century of information technology. How do you understand this frequently used term? Encourage students to voice their own opinions. Step II Listening Deal with activities 1-3 on page 22. Step III Speaking Get students to talk about the advan

23、tages and disadvantages of each form of IT in groups, using the reasoning expressions. Then decide when each kind of IT is most useful. Step V Homework T: Chips play a very important role in computer technology. They are the “core” of computers. How much do you know about chips? After class, please

24、find some information about it. The Fourth Period Integrating skills Teaching goals 教学目标 1. Target language 目标语言 重点词汇和短语 chips android appearance character 2. Ability goals 能力目标 Enable students to write a description of an android. Enable students to talk about the advantages and disadvantages of so

25、me types of robots. 3. Learning ability goals 学能目标 Help students learn how to write a description of an android. Teaching important and difficult points 教学重难点 Describe an android in details. Teaching methods 教学方法 Scanning, imitation and discussion. Teaching aids 教具准备 Tape recorder Teaching procedure

26、s & ways 教学过程与方式 Step I Lead-in Collect the information students have found about chips. Share them with the whole class. Step II Reading, speaking and writing T: The development of “chips” has brought many applications of computer technology. One of them is robots or androids. Write “robot” and

27、 “android” on the board, and explain the difference. T: Turn to page 55. Look at the pictures in activity 2. What do you think these robots can do according to their appearance? S1: I think the first one can play guitar. S2: The second one can play sports, read books and write. S3: The third one can

28、 sing songs. S4: The fourth one can do house work. T: According to the pictures, what do you think you are going to hear? Tell your partner one sentence about what you think you will hear. Sa: We will hear about a robot design competition. Sb: We will hear a lecture on the development of robots. T:

29、Now lets listen and check. Play the tape. Students try to get the main idea of it. T: Identify the three robots and number them. Play the tape again and check the answers. T: Now listen to the tape again and try to complete the chart in activity 3. Pay attention to information about height, appearan

30、ce, ability and price of each robot. Play the tape. Stop at the end of each part. Then check the answer. Step IV Talking TALKING on page 55. T: Imagine that your family is thinking of buying a robot. You can afford these three robots mentioned in the listening text. Please discuss which one is the b

31、est for you. Remember to discuss the advantages and disadvantages of each one. Then make your choice and give reasons. Remember to use the expressions on page 22 in your discussion. You may do it in groups of four. Give students 5 minutes for discussion. Then let some group representatives report th

32、eir results. e.g. Our group has chosen the one who can do house work because there are always so much housework do to everyday, and our parents are all busy working and they feel too tired to do house work after work. So if we buy the robot, our families will have more time for fun. The Fifth Period

33、 Integrating skills (II) Teaching goals 教学目标 1. Target language 目标语言 liaison and incomplete explosion 2. Ability goals 能力目标 Enable students to write a news article about the sporting robot, Hua Fei. 3. Learning ability goals 学能目标 Help students learn how to write news articles by following the sample

34、 passage. Teaching important and difficult points 教学重难点 The structure of a news article Teaching methods 教学方法 Discussion and imitation Teaching aids 教具准备 Tape recorder Teaching procedures & ways 教学过程与方式 Step I Listening task T: You are going to hear two androids talking about their jobs and life

35、. One of them works as a maid. By the way, what does a maid do? S: A maid is a female servant, especially in a large house or hotel. Step II Reading task T: Have you heard of robots that have been made to play football? We call this kind of robots sporting robot. Today well get to know a sporting ro

36、bot named Hua Fei. Turn to page 58, read the passage and complete the record card in activity 1. Students read the passage and complete the chart. Check the answers. Then focus on liaison and incomplete explosion in paragraph 2. First let students find out the liaison and incomplete explosions by th

37、emselves. Then play the tape and check one by one. Play the tape again and let students read after it. General information on liaison and incomplete explosion: (This material can be distributed to students as handouts.) Step III Speaking task T: After the 78th and the 79th Olympics, Hua Fei became f

38、amous all over the world. And many media try to interview him. Now imagine you have been lucky enough to be allowed to interview Hua Fei in hospital for your school newspaper. Work out some questions in pairs for your interview. Think about the questions or information usually covered in sports news

39、papers. Step IV Writing task Get students prepared for writing a news article about Hua Fei. First help them understand the structure of the sample passage. T: In a news article, there is a subtitle besides a title, which illustrates the title by supplying more details. And usually in a news article

40、, we use inverted pyramid format. That is to say, the most important information comes first, and then the less important. Now read the passage and tell me what each paragraph is mainly about. Step V Project If time allows, let students work in groups to discuss how computer chips in many different

41、kinds of machines will change the way we do things. 第二篇：Unit 3 Computers 教学设计整体阅读 Unit 3 puters 教学设计整体阅读 第一步引入话题 1Shstudentsthepituresfanabaus,aalulatr,ahugeputer,antebandaP,as:“IfIaaathteaher,hihanhelpest?” 2ritetheexpressinsfgivingpininsntheblabard Givingpinins Ithinthat Inpinin Ibelievethat 3Asst

42、udentstgivetheirpinins,reindthefusingtheexpressinsfgivingpinins 4Asstudentstdisusshattheseiteshaveinn,andthenrantheardingtthetieftheirappearane Assefthestudentsttalabuthatthenabutputers 6Asstudentstdisuss“Hhaveputershangedurlife?”,andthenhavesefthegivetheiransers,usingtheexpressinsfgivingpinins 第二步预

43、测的内容（个人自由发言） 1Asstudentstlatthepituresandguesshatthepassageightbeabut 2Asnertstudentstgivetheirpinins 第三步阅读hAI? 1Givestudents2inutes,andasthetsanrsifrtheanserstthefllingquestins: hatistheainideafthepassage? hathappenedtputersin1642？ hathappenedtputersin1936? hathappenedtputersin1970s? 2Givestudentsi

44、nutestreadthepassagearefull,andanserthefllingquestins: hasthefirstpersntdesribehtheputerasadetr? hatdidheaeandhatdiditd? hasthenextiprtantpersntdesignputers? 第四步学习“拟人化”（小组合作学习） Asstudentstgverthepassage,ingrupsdisusshthespeaerisinthepassage,andnpage18ritednthreesentenesfrthetexttsupprttheirideas het

45、heansersiththestudents Suup: Persnifiatineansttreatsethingasifiterehuanrhadhuanqualities Persnifiatinisnefthesteffetiveasfusingrdsfigurativel 第五步学习“时间顺序”（小组合作学习） 1Asstudents:“Histhepassagerganized?” 2AsstudentstfinishExerise2inprehendingnpage19,pletethe“Tieline” 3Asstudentstex-hangetheirnansersingru

46、ps,andthenraisequestinsifthehavean 4Suup:hrnlgialriting hrnlgeanstdesribethingsinrderftie hrnlgisftenusedinreuntinganeventrdesribingthelifefseneItisaneffetiveataeaassfthingslearer 第六步口语训练按时间顺序复述计算机的发展史 1Havestudentsgetpreparedin2r3inutesandthenretellthedevelpentfputersinurnrds,usinghrnlg 2Assefthest

47、udentstretellthetext 第七步作业布置 Gverthetext,andtrtunderstandthetext FinishExerise1inLearningabutLanguagenpage19 第三篇：Unit 3 Computers 教学设计语言学习 Unit 3 Computers 教学设计语言学习 课 件第一步作业检查 RemindstudentsofwhattheyhavelearntinReading checkthehomework:Exercise1inLearningAboutLanguage. 第二步词汇学习 1.Askstudentstofillin

48、theformaccordingtotherequirement n. adv. calculate true technological personal intelligent total Answers: calculator technology intelligence truly personally totally 2.ReviewthenewwordsandphrasesinwhoAmI?,andgivetimetostudentstoasktheirownquestionsaboutlanguageorgrammars. 第三步语言运用练习 1.LetstudentsdoEx

49、2inLearningaboutLanguageonP19;andchecktheanswersaftermostofthestudentsfinish. 2.QuestionstudentsonthemeaningsofthosenewwordsinEx2. 第四步语言学习1区分形容词和副词 1.LetstudentsdoEx3onpage20. 2.whilecheckingtheanswerswiththestudents,askstudentsforthereasonsoftheirchoices. 3.Sumup: Anadverbcanbeusedtomodifyaverboran

50、adjective;whileanadjectivecanbeusedafterlink-verbsorbeusedtomodifyanoun.Byanalyzingthestructureofasentence,wecantellwhentouseanadjectiveandwhentouseanadverb. 第五步语言学习2“现在完成时的被动语态” 1.GivestudentsasentenceinwhichPresentPerfectPassiveVoiceisused,andaskthemtofindanother2similarsentencesfromtheReading. 2.

51、Askstudentsstudythesesentences,andfigureoutthebasicformofPresentPerfectPassiveVoice. 3.writethebasicformofPresentPerfectPassiveVoiceontheblackboard. 4.LetstudentsindividuallydoEx2inDiscoveringUsefulStructuresonpage20,andseehowsentencesarechangedintothePresentPerfectPassiveVoice. 5.checktheanswerswit

52、hthewholeclass. 6.Sumup: ThebasicformofPresentPerfectPassiveVoiceis“have/hasbeendone”.ItisacombinationofPresentPerfectTenseandPassiveVoice. 第六步小竞赛 1.LetstudentsfinishEx1inUsingStructuresonpage57. 2.checktheanswerswiththewholeclass,andseehowwellthestudentsdid. 第七步游戏巩固现在完成时的被动语态的基本结构（小组活动） 1.Getstuden

53、tsformgroupsof3. 2.Letstudentsplaythegameingroups. 3.Askstudentstowritedown4decisions. 4.Askstudentstoreporttheirgroupsdecisions,andseewhosedecisionsareofthemostinterest. 第八步作业布置 1.Readthepassage“AndyTheAndroid”onpage22,answer: whatsAndy? whydidAndysteamonlygetthesecondplaceinSeattle? 2.In “ Andy “whathasbeendecided ”TheANDRIoD”,findthesentenceinwhichPresentPerfectPassiveVoicehasbeenused,andseeifyoucanputitintoactivevoice. 课 件 第四篇：Unit 3 Computers 教学设计语言学习01 Unit 3 Computers 教学设计语言学习 01 第一步引入话题 1.GivesomepicturessuchasTV,computers,cD-Rom,DVD,radioandnewspaper.Askthestudentstodecidewhichisth