2014年高中英语 Unit 3 ComputersSectionⅡ同步教学课件 新人教版必修2
高中优秀教案高三英语教案：《2Unit 3 Computers复习》教学设计
高三英语教案：《2Unit 3 Computers复习》教学设计核心词汇1.Where can I____________(下载)the exercises from the Internet?2.More problems like those at the nuclear power plant are certain to____________(出现).3.During the winter holidays，I____________(辅导)some students for English exams.4. They achieved their____________(目标)of increasing sales by five percent.5.It is such a hard problem that it is impossible for me to____________(解决).6.Money does not always bring____________(美好).7.These changes are due to an increase in the carbon dioxide in the atmosphere since the beginning of the Industrial____________(革命).8.There is another kind of beauty that has nothing to do with____________(外貌)，but comes from the heart.9.It is just her childhood experiences that affect her____________(性格)and later life.10.After the president made an official announcement，he expressed his____________opinion.____________speaking，I agreed with his opinion.(personal)11.I would like to____________for the job advertised in the newspaper，so I have sent my____________before July 20,____.(apply)12.Can you say that dolphins are muchmore____________than other animals?Well，they are animals of high____________and they can communicate.(intelligent)1.download2.arise3.coached4.goal5.solve6.happiness7.Revolution8.appearance9.character10.personal;Personally 11.apply;application12.intelligent;intelligence高频短语1.________________ 从时起2.________________ 结果3.________________ 如此以致于4.________________ 在某种程度上5.________________ 在的帮忙下6.________________ 处理;支配;应付7.________________ 看管;监视8.________________ 共有;共用9.________________ 弥补10.________________ 究竟1.from...on2.as a result3.so...that4.in a way5.with the help of6.deal with7.watch over8.in common9.make up 10.after all重点句式1.____________，I was made smaller.随着时间的消逝，我被做得更小了。
2014年高中英语 Unit 3 Computers Period 3 Extensive Reading同步教学备课教案 新人教版必修2
Unit3 Computers Period 3 Extensive Reading 优秀教案（人教版必修2）Period 3 Extensive ReadingThe General Idea of This Period：This period includes revision of the text，Reading and speaking on Page 22、Reading task on Page 58.In this period the students will be involved in a speaking activity about designing an android after reading the story of Andy，and learn something about the performances of a sporting robot of the 22nd century，Hua Fei in 78th Olym pics and 79th Olympics，so that the students will not only improve their reading and speaking，but also their creative thinking.Teaching Aims：1.Help the students to learn about the different ways of designing the robots and give their opinions to the class.2.Enable the students to discuss to design their own robots.Talk about the different ways of designing the robots.Teaching Important and Difficult Points：How to design their own robots and report their designing to the class.Teaching Methods：1.Task-based learning.2.Cooperative learning.Teaching Aids：1.A tape recorder.2.A multimedia.Teaching Procedures：Step 1 GreetingsStep 2 Reading （1）We’ve learned a lot about computers，but can you imagine that computers could be put into androids or robots.Think of the fun you could have!Now let’s first read the passage about a robot called Andy—what it looks like and what it can do on Page 22，and then we’ll have a designing competition to see who will design the best robots.The students read the passage for several minutes.T：A few simple questions for you.What does Andy look like?What can it do?S2：Andy looks like a human.It is designed to play football games and can move and think like a human.Andy is really smart.T：I agree with you.Are you eager to design your smart robots?Now in small groups discuss how to design your own a ndroids，draw a picture of your androids and write down your design.You may refer to the following questions：1.What would you like it to look like?2.What are some of the things you would like it to do?3.Do you want it to be like a man or a woman or neither?4.How much would it cost?[T：And don’t forget to use the following expressions in your discussion.I think thatIn my opinion...What is your reason?I have decided that...After several minutes.T：Now，I’ll check your work.One from each group will show your picture of the android you have designed and tell the class your design.And we’ll see which group has designed the best android.Who would like to try first?S3：Look here.This is the picture of the robot we’ve designed.What does it look like?Yes，it looks like a dog.We all like dogs very much.Every morning it will wake us up so that we will not be late for school.Then it will company us to school and carry our heavy bags.You know how heavy our bags are!In the evening，after a whole day’s hard work，it will play beautiful music to help us relax.Maybe it will cost at lea st 2000 yuan，but we don’t think it is too expensive to have such a good friend.S4：Well，we’d like to design our robot in this way.We would like it to look like the famous footballer Beckham who serves as a striker on the football team.It has the most advanced program，so it can move and think like Beckham，and of course can shoot good goals like him.We would like it to enter the next Electronic World Cup，and we are sure that it will win the cup!T：Your designs are very unusual and smart.I really want to go on appreciating your designs，but time is limited.Will you put up your pictures of the robots you have designed with instructions on the back wall，and then decide which group has designed the best androids after comparison?Step 3 Reading （2）Class，let’s come to the Reading Task on Page 58.First read the passage quickly and then fill in the chart of Exercise 1 and keep a record of his performances of the sporting robot of the 22nd century，Hua Fei in 78th Olympics and 79th Olympics.After doing it individually，please check your answers with your partners，and then we will check the answers in class.ParachuStep 4 HomeworkT：It’s almost time for a break.Now homework for you today.pare the designs of the androids of each group and try to decide which one is the best.2.Suppose you have been lucky enough to be allowe d to interview Hua Fei i n hospital for your school paper.Work out some questions together with your partner，and then interview each other.Step 5 The Design of the Writing on the BlackboardUnit 3 ComputersPeriod 3Step 6 Record after Teaching。
信息技术教案：高一英语必修2Unit3Computers全单元教案
信息技术的发展已经深深地嵌入到我们的生活中。
计算机的出现彻底改变了人们传统的生产方式和生活方式。
现代教育不再是仅限于背书和抄板书，而是花费大量的时间和精力去思考、去分析和去实践。
在这样一个信息时代，教师的角色也随之转变。
我们不仅需要教授知识，还需要培养学生的信息能力，帮助他们理解和利用科技并运用它们支持我们的学习和生活。
高一英语必修2 Unit3 Computers全单元教案是一份非常重要的信息技术教案。
这个单元是有关于计算机和互联网的，向学生介绍了计算机的历史和发展，软件和硬件，以及学习计算机和互联网所需的相关知识。
第一课：Computers in Everyday Life这一课介绍了计算机在生活中的应用以及与人们的生活密切相关的一些软件。
我们可以向学生展示各种各样的工具软件，如视频制作、图片编辑、文档编辑、音频制作等等。
我们也可以通过展示计算机硬件的内部结构来引导学生了解计算机是如何工作的。
第二课：The Development of Computers这一课涵盖了计算机诞生以来的漫长历史。
从最初的机械计算器到现代的个人计算机，这里介绍了计算机的种类、发展和特点。
学生能够学习计算机的历史，了解计算机技术的发展和趋势，以及计算机的应用范围。
第三课：Computer and Society这一课程介绍了计算机在社会生活中的应用，并引导学生思考计算机技术对社会的影响，特别是当它开始影响人们的生活、工作和教育时。
我们将会讨论有关网络安全问题，从而让学生了解如何安全地使用计算机。
第四课：Software这一课介绍了计算机系统中的软件，包括操作系统、应用软件、编译器等等。
学生将了解到不同类型的软件的特点，掌握基本的软件使用技巧。
第五课：Data Storage这一课主要介绍了计算机数据存储，包括内存、硬盘等。
学生将学习如何存储、传输和访问数据，并了解如何保护我们的数据。
第六课：The Internet这一课介绍了互联网的原理和应用。
高中英语Unit3 The Computer SECTION 2教案
UNIT3 SECTION 2THE GENERAL IDEA OF THIS SECTIONThe section is about the skills of four topics:comprehension,vocabulary,listening and speaking.In this section,you will learn some practical knowledge<see teaching design of section 2>about the computer,the basic contructure of words,listening strategies and the method of speaking,TEACHING AIMSLearn the constructure of some wordsTrain the Ss listening abilityLearn a method of speakingTEACHING IMPORTANT POINTSHelp Ss to understand the change of a wordlearn to shift from one topic to anotherTEACHING DIFFICULT POINTSHow to change an adjective to a verb and in turn.How to help Ss improve their listening ablity and understand the material betterHow to master the important language points of communicationTEACHING METHODSTakeing several words for example to demonstrate how to change the part of speechFast listening to get the general idea of the materialCareful listening to understand it betterDiscussion to help Ss understand what they've leared better.Explanation to help Ss master some language pointsTEACHING AIDSA tape recorderA multimediaTEACHING PROCEDURES Step 1 Greetings1 Greet the whole class as usual2 Check their homework if anyStep 2 Building your vocabularyT Today we learn the changes of some words.<show "envious"----"envy">.From the example,we see the word "envious" comes from another word "envy".Here we can see that we can add the suffix "ous" to some nouns in order to form adjectives.These adjectives describe something or someone as having a particular quality.When the noun endsin"-y",the"-y"always changes to "i' in the adjective.When the noun ends in "e",sometimes the 'e" also changes to"i" in the adjective.<T shows some words on the screenspacious;curious;sere;mysterious;glorious;mountainous;poisonous;dangerous;famous;>T Now,please watch carefully and classify themT What feaures the first three words?S1 Nouns ending "e" changes to "i" in adjective.T Very good.What about "mysterious" and "glorious"?S2 Nouns ending "y" changes to "i" in adjectiveT Wonderful.will you tell me the character of the next three words?S3 Adding the suffix"ous' to form adjectives.T Right.T Now,the last one?S4 Taking out "e" to form an adjectiveT Generally speaking,there are four ways to change nouns to adjectives,which will help you grasp more new words.While learning,you should accumulate themStep 3 ListeningLast class we learned some knowledge about the computer.Today we are going to listen to a piece of material in terms of sending messages over the internet.Before it ,I will give you a new context to get some backgroun knowledge.Please listencarefully to guess the proper meaning of these special words.A new context for students.In this context,the new wors are: the outback;laptop;trascript;get on line;take sb surfing.After listening to the context,the teacher should let students guess the meaning of the words.If necessary,the teacher had betterexplain them one by one .eg.the outback---a nickname for the desert and bush country in Australia.laptop---a portable personal computerThen ,the next is to listen to the tape about the internet.T This is the first time to listen to the material about the internet,so first let's share some listening strategies.listen strategies: free listening and careful listeningwe listen free ly to a text when we want to get a gerneral idea of what it is about.We try to get much knowledge The first and last sentence of a paragraph and the first and last paragraph as well as pictures and charts can help to guess what the material is about .When we want to find certain information in the material,we listen carefully for key words and phrases,dates,numbers,etc. we don't need to listen to the whole text word by word.T Let's listen for the first time quickly and judge the following states1 Janny is at an Internet Cafe in the outback< >2 Jenny is surprised she was able to get online,< >3 At an Internet Cafe,you pay money to use the Internet.< >4 Jenny does't like Internet Cafe because they sometimes give you a time limit of two hours< >5 Jenny's parents are waiting to take her surfing< >6 LiMing will say "hi" to Danny for Jenny< >The teacher may give the answers on the screenThen let Ss listen again to check the answers.In terms of the second passage,if there is not enough time,you may omit Step4 speakingAfter listening to the material above,the teacher can ask Ss to listen to it again,try to state each report with their own words freely.This is a good chance for them to practise oral English.Then the teacher leads in the sentence style "speaking of ---".It is an important expression to shift from one topic to another. Show the first listening exercise and let Ss watch how Jenny shift a topicJenny: At some Internet Cafe,you can use the computer for as long as you like ,but some of them will give you a timelimit---especially if it's busy.Liming: Oh,I see.Jenny: speaking of time limits,my parents are waiting for me!After pointing out the usage of "speaking of",the teacher may ask Ss to practise itS1 These birds are easily caught ,especially in winter.S2 Speaking of winter,and it's my favourite season.I Like skating in winter--------------------------------------------------------------------------------------Time permiting,the teacher may ask more Ss to drill itS3 The climate of Beijing is worse than that in KunmingS4 Speaking of KunMing,---Step 5 DISCUSSIONT Now you have known more about the Internet.besides,you also learn a useful expression----speaking of .You may begin a topic and then use "speaking of " to shuffle to Internet .Step 6 Summary and homeworkToday we've learned the change of the word.In most cases,nouns ending "e"and"y" always change to "i" in theadjective.Master these and put them into use in future in future while reading.In addition,we also know something about how to send message over the internet and the important expression "speaking of ---".After class,have a further discussion with your parters.Step 6 The design of the writing on the blackboardUnit 3 The computerSection 2 build your skillsbuild your vocabulaybuild your listening skillsbuild your speaking skillsStep7 Record after teaching____________________________________________________________________________________________________ __________________________________________________________________________Step8 Activities and Research1 Presentation of some words to practise the structure2 Presentation of some listening strategies for them to learn and practise in futrue3 Fast listening to get the general idea of the passage3 Careful listening to get some detailed information4 Application of internet to get more information5 Presentation of dialogues to use "speaking of"6 Further exploration to see how they understand "Internet is important in life".You may ask them to work in pairs or groups to organize their ideas together to form a report and share it with others the next day。
高中英语 Unit 3 Computers教案(2) 新人教版必修2
Unit3 Computers Book2Period 1 Words and expressions Liu Juan I .Content :New words and expressions in Unit 3II .Teaching aims:Master the new words and expressions.III.Main points:1.Pronounce the words and phrases correctly2.Try to remember the spelling and Chinese meaningIV .Difficult pointsUse the words freelyV .Teaching stepsSTEP1. Pronunciation correctingRead after the teacher or the tape twice. Then the teacher asks the students to read words by themselves.STEP2. Skills in memorizing the new wordsThe teacher analyses the structure and usage of the new words briefly.STEP3. Consolidation of the words and expressions★单词翻译1.____________ vt.计算2. ____________ n.计算器3. ____________n.笔记本4. ____________a.简单的5. ____________n.工艺；技术6. ____________a.科技的7. ____________n.革命 8. ____________a.宇宙的 9. ____________a.数学的10. ____________a.人造的11. ____________n.智力；智能12. ____________ad.完全地13. ____________n.网络 14. ____________ad.真实地 15. ____________n.种族16. ____________n.诞生 17. ____________n.优势；优点 18. ____________n.缺点19. ____________v.打字 20. ____________vi.不同意 21. ____________n.选择22. ____________n.原料 23. ____________ad.亲自地 24. ____________vt.创造25. ____________n.教练 26. ____________n.步骤；动作27. ____________vi.出现28. ____________n.脑 29. ____________n.拖把 30. ____________vi.徘徊★词组1.___________________共有；共用2. ___________________依……看来3. ___________________走过；过去4. ___________________处理；安排；对付5. ___________________在某种程度上6. ___________________弥补；整理7. ___________________毕竟 8. ___________________在……的帮助下9. ___________________看守；监视★ 单词拼写1. Credit cards have brought about a ________(革命) in people’s spending habits2. I’m sorry to say that I ______ (彻底地)forget about it.3. Look before leap. Don’t be ____________(头脑简单的).4. With the development of _________(技术), more practical machines have been invented.5. In basketball matches, American players have an obvious_________(优势) in height.6. P________ speaking, I’m in favor of the plan.7. In c______ with many others, she applied for a training place.8. I don’t like a________ flowers, which cannot purify(净化)the air.9. A n_______ computer is easy to carry.1o.He’s very clever. He’s got quite high i____________ quality.★选词填空2. Don't take it seriously. The story is only ________.3. I couldn't get through the gate because your car was ________.4. The change was an improvement ___________.5. I'll buy a house which modern, comfortable and _____ in a quiet place.6. The old man is ______ in health.7. Peter works well.______ he likes to help others.8. His brother __________ in the army for two years.9. You shouldn't have talked about the boy's ___________ affairs.10.Do you mind waiting a few more minutes for the photos? They ______. ing words and expressions (Ss book P20)STEP5. Homework1. Learn all the words and expressions by heart.2. Preview the text and finish discovering useful words and expressions.Blackboard Design:Period 2 TextLiu JuanI .ContentText: Who am I?II .Teaching aims:1. understanding the general meaning of the new text to train the reading ability of thestudents2. 德育目标：了解计算机的发展历程。
高中英语《Unit 3 Computers》优质课教案、教学设计
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。
高中英语Unit3ComputersListening教案
必修 2 Unit 3 ComputerListening Teaching Aims： 1.Help the students to learn about the knowledge of information technology. 2.Enable the students to get the main ideas of the listening materials. Teaching Important and Difficult Points： 1.How to get the main idea and information in details. 2.Express their own opinions after listening. Teaching Methods： 1.Task-based learning. 2.Cooperative learning. Teaching Aids： 1.A tape recorder. 2.A multimedia. Teaching Procedures： Step 1 Revision Check the students’ interviews. Get the students to work together with their partners to interview each other. Step 2 Listening and writing （Page 21） Task 1 Listen to a conversation T：Class，as we all know，the 21st century is the century of information and technology.Next we will listen to a conversation about different kinds of information technology or IT.And as we know，each kind of information technology has its own advantages and disadvantages.So from this conversation we will listen for the advantages and disadvantages of each one.But before listening let’s first look at the pictures on Page 21 and the form on Page 22 to make sure what you are going to do while listening.OK，let’s begin. The students listen to the conversation for the first time.Task 2 Discussion and fillingT：You can see there are a TV，a CD-ROM，a computer，a radio，a DVD and newspaperhere.Now try to finish filling in the form with the information you have just gotfrom the conversation.Suggested answers：Type of ITAdvantagesDisadvantagesYou can both listen andTVYou can’t write to friendswatchWebYou can find information It’s very expensiveRadioYou can listen to EnglishYou can not watchBookYou can get informationSometimes it is out-of-dateT：Now，let’s discuss the advantages and disadvantages of each type of IT insmall groups and then decide which type of IT is best for you to use，according tothe form above and explain the reasons.While discussing ， remember to use thefollowing expressions：I think that...In my opinion...I believe that...I agree because...I disagree because...I’ve decided that...Step 3 Listening （Page 55）T：Now come to the listening on Page 55.Before you listening，please read therequirements of Ex.1.After that，you will find the three robots from the pictures aboveon Page 55 and number them.The possible number：Picture 1—No.3 Picture 3—No.2 Picture 4—No.1T：Now please look at these boxes on Page 55 before you listen to the tape again，and try to find out the listening points.Pay more attention to these points and youmay make some notes while listening.Three minutes later.T：Now try to fill in the boxes with the information from the listening material，and then check your answers with your partners.Suggested answers：Personal robotInformationSize35 cmWhat it looks likeRobot with five armsWhat it can doAll homeworkPrice50 yuan a dayBird-like android SizeWhat it looks like What it can do PriceInformation 10 cmBird-like android Sings beautifully600 yuanLonely androidInformationSize2mWhat it looks likeLarge，energetic robotWhat it can doClimbs mountains；plays guitar；sings karaokeTelephone numberRoom-1234Step 4 Listening task （Page 58）T：Now please turn to Page 58，and finish the listening task.As we know，computers are used widely and put into androids.Please look at thepictures above.There are two androids in it.One works as a maid.The other works ina car factory.They are friends and they were made at the same time.Now they aretalking about their lives and what it feels like to be android.OK，please listencarefully to their problems and fill in the form.I’ll play the tape twice.After listening.T：Try to fill in the forms as quickly as you can，and then we will check theanswers in class.Suggested answersSally and Brenda’s problemsAbout their jobsTheir programmer decided themAbout changing their jobsThey are not able to change jobsAbout who decides their futureTheir programmer doesThey can not smell，laugh，taste，or eat About how they are different from peoplefoodAbout how they are the same as peopleThey enjoy footballT：From what we have just listened，we know that Sally and Brenda have sometroubles in their lives.They are treated badly.Now you are going to make a list ofthe rights that androids should have so that they will be treated better.You canwork with your partners and have discussion.Suggested answers：1.They should be able to choose the work they do.2.They should have their own time.3.They should be able to change their jobs.4.They should be able to decide their own future.5.They should be able to taste，smell，feel，etc.Step 5 AssignmentT：Class，I really appreciate your good performance in this listening class.Ican see that your listening has greatly improved since you came to the seniorschool.Keep on your good work!OK，we have no time left.I’d like to assign you some homework to do.1.Go over the listening and writing on Page 21 and get ready for the writing. Step 6 The Design of the Writing on the BlackboardType of IT TV WebRadio BookUnit 3 Computers Period 4AdvantagesDisadvantagesYou can both listen and watch.You can’t write to friends.You can find information. It’s very expensive.You can listen to English.You can not watch.You can get information.Sometimes it is out-of-date.Personal robot SizeWhat it looks like What it can do PriceInformation 35 cmRobot with five arms All homework 50 yuan a dayBird-like android SizeWhat it looks like What it can do PriceInformation 10 cmBird-like android Sings beautifully600 yuanLonely android SizeWhat it looks like What it can doTelephone number Step 7 Record after TeachingInformation 2mLarge，energetic robot Climbs mountains；plays guitar；sings karaokeRoom-1234。
《Unit3Computers》教案高中必修2英语
《Unit3Computers》教案高中必修2英语英语是练习的，而不是学习的。
这不仅是为了理解，更重要的是反复练习听、说、读、写。
下面是小偏整理的《Unit3Computers》教案高中必修2英语，感谢您的每一次阅读。
《Unit3Computers》教案高中必修2英语教学准备教学目标1.Topractiselisteningcomprehension.2.Topractisemakingdecisionsandreasoning教学重难点1.Topractiselisteningcomprehension.2.Topractisemakingdecisionsandreasoning教学工具课件教学过程Step1.revision1.checkthehomeworkexercises.1).Ithasbeenreportedthatchildrenwillbeofferedfreeeducation.Ithasbeenreportedthatfreeeducationwillbeofferedtochildren.2).Ithasbeensaidthatwewillbeofferedthelatestcomputerscien cecoursebook.Ithasbeenplannedthatthelatestcomputersciencecoursebook willbeofferedtous.3).IhavebeentoldbyPeterthatIwillbelenthisnotebookcompute rforaweek.IhavebeentoldbyPeterthathisnotebookcomputerwillbelentto meforaweek.2.Question:Whatcancomputersbeusedas?Step2.Lead-inAsweknow,scienceandtechnologyisdevelopingveryfastandc omputershavebecomesmallerandsmaller.Theyhavebeenusedinm anyfields.So,the21stcenturyisthecenturyofinformationtechnolog yWhatdoesitmean?Doesinformationtechnology/ITonlymeanthin gslikecomputers?Ofcausenot.Actually,itmeansmorethancompute putersarejustonekindofIT.WhatelsedoyouknowispartofIT?(TV,radio,CD-ROM,DVD,books……)Step3.Listening(SB)1.Pre-listening:WhatarethechangesbroughtbydifferentformsofIT?Whataretheadvantagesanddisadvantagesofthem?2.While-listening:Gothroughthechartandmakesurethestudentslookatthechart beforetheylistentothetape.(Thisistosharpentheirattentionandlist enfortheanswers.Thiswillalsohelpthemgetthegistofthetext.)Then Listentothetapeandfinishfillinginthechart.(Ifnecessary,playthetap eforseveraltimes.)Say:Afterlisteningtotheirtalk,weknowallkindsofIThavebothdi sadvantagesandadvantages.Let’schecktheanswerstogether.TypeofITAdvantagesDisadvantagesTVYoucanbothlistenandwatch.Youcannotwritetofriends.WebYoucanfindinformation.Itisveryexpensive.RadioYoucanlistentoEnglish.Youcannotwatchafilm.BookYoucangetinformation.Sometimesitisoutofdate.3.Post-listening:1)(pairwork):decidewhichtypeofITisbestforyoutouserightno w.Makeyourchoiceandgiveyourreasonsbyusingthefollowingexpr essions.Ithinkthat….Inmyopinion,….Ibelievethat….Iagreebecause….Idisagreebecause….I’vedecidedthat….2)(groupwork):Discussion:Computersareusefulandhavebroughtuslotsofgoodthings,bu ttheyalsocausebadeffects.Whatattitudeshouldwehavetowardsth ecomputer?(Makegooduseofitbutnevergettrappedbyit.) Step4.Speaking1.Pre-speakingSay:Fromwhatwehavelearn,weshouldadmitthatcomputersan dthewebhaveagreatinfluenceontheschooleducationaswellaspeo ple’slife.Ithascomeintopeople’severydaylifeandmanyfamiliesholdcomputersintheirhomes.Now thereisataskforyou.2.While-speaking1)Situation:Youhavebeenaskedbyyourparentstohelpchoosec omputersforyourhome.Youandyourfriendhavelookedatseveralco mputers.Talkaboutthespecialthingseachcomputercando.Makead ecisionaboutwhichkindofcomputertobuyandexplainwhy.Informationinput:Showstudentssomepicturesofdifferentcom puters(desktopcomputer&laptopcomputer&…)Languageinput:Usefulexpressions(Repeatittostrengthenstud ents’abilityofuseit.)SupportinganopinionChallenginganopinionIthinkthat…,because…Perhaps,butwhatif/about…?First,…Haveyouthoughtabout…?Onereasonisthat…Whatmakesyouthinkthat…?Ithinkitisbetterbecause…Idon’tlikeitbecause….(Pairwork)Usetheexpressionstosupportyouropinionorchallengingother’sopinions.2)Oralreport:(individualwork)Doanoralreporttoyourfatherandstartyourreportlikethis:Ilook edatmanydifferentcomputers.TheoneIhavechosenisthePEPperso nalcomputer.Oneofthemainreasonsisthatitissuitableforhomes.Ifo undthat…3.Post-speakingConclusion—Whatusefulexpressiondoweusetomakeadecisionandreason?(Inthisway,theycanreviewandusethewordsandphrasesagain.) Step6Pre-writingSay:Imaginewhatproblemsanddelightsthisandroidmighthav etodealwithwhileitisservingyou.Tryyourselfinsomeoneelse’sshoesisanimportantwayofunderstandinghowotherpeoplefeel.Thendiscuss:Youareanandroid.Youworkforafamilywithonechi ldwhoisveryspoiled.Theparentswantyoutodoeverythingforthem. Theparentsarenice,buttheyoftenaskyoutowatchovertheirchild.Ho wdoyoufeel?Whatwouldyoudoifthechildaskedyoutodohis/herho meworkforhim/her?Wouldyouevertellthechild“no”?Step7WritingSay:Writeapassageabouttheresultofyourdiscussion!Itshouldc ontain:Whatdoyouhavetodo?Whatisthechildlike?Whatistheparents’requirementofthechild?Whatdotheparentswantyoutodo?Whatdoesthechildwantyoutodo?Thenwhatwillyoudo?Howdoyoufeel?Samplewriting:Helloeverybody,mynameisLiuYan.Iama321modelandroid.IworkfortheLifamily.MrandMrsLiworkveryhardtoo.MrLiisanarchitecta nddesignsgreattallapartmentblocks.MrsLiisadoctorandhastolook aftermanypatients.IrememberalltheplansforMrLi'sprojectsandca ntellMrsLiwhichdrugsarethebesttogiveanyparticularpatient.AndI alsolookaftertheirlibrary.Istoreallthebooksthattheyborrowfromth eirschoolorfriendsinmybrain.Ofcoursemybrainisaslargeasamoun tain,soworklikethatisnotroubletome.Ireallyeatbooksjustlikepeopl eeatfood.TheLishaveachildwhoisveryspoiled.Heneedsmetoremember allhisschooltextbookssothatIcandohishomeworkforhim.Hejustgi vesmetheinformationonthesubject,whathastobedoneandthepag enumbersandIgetonwithitwhileheenjoyshimselfwithhisfriends.S ometimesIdon'tthinkitisrighttodohishomeworkforhim—it'ssomewhatcheating.However,hisparentsareveryconcernedatth epressureofworkinschoolthesedays.Thechildhastoomuchhomew orktodo.Theylikehimtogotothekeyschoolbuttheyalsowanthimto beabletohavehobbies,learntoswimandkeepfit!Poorchild!Sotheyconsidermethemostimportantpersoninthefamilyafter themselves.Iamalwaysintroducedtotheirfriendsandplaywithvisiti ngchildren.Iamtheperfectfamilyacademicaidand,althoughIwasno tcheaptobuy,MrLisaysIwaswortheveryyuan!Step8AssessmentGetthestudentstoassesstheirwritingabilityaccordingtothefoll owingthequestions:1.Isyourcompositionwelldeveloped?2.Areyourideaswellorganizedtothepoint?3.Doyouhaveagoodchoiceofwordsandidiomsinyourwriting?4.Doyougetagoodmasteryofcomplexstructuresoflanguage?5.Whatkindofmistakeshaveyoumadeinyourwriting?Step9:HomeworkWriteaboutyourdiscussion.Youmaybeginlikethis:Hello,everyone.Mynameis___.I’m321modelandroid.IworkfortheLifamily….课后小结学了这节课，你有什么收获?课后习题完成课后习题一、二。
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答案：I have never seen him
4As a result I totally changed my shape. 因此，我已经完全改变了我的形状。 品味经典 ①He didn’t work hard.As a result，he didn’t pass the final examination. 他学习不努力，结果没通过期末考试。 自我探究 as a result意为结果，因此。
3From then on，I grew rapidly both in size and
in brainpower.
从那时起，我在体积和智能方面迅速成长。 品味经典 ①From then on he refused to talk about it. 从那以后他就不再谈这件事了。
②Your life will change from now on.
④From then on he stopped smoking.
从那时起他就不吸烟了。 ⑤She’s been off work since Tuesday. 自星期二以来她一直没上班。
牛刀小试 完成句子
(1)她非常固执，从那天起她再也没和他讲话。
She was stubborn and _______________________. 答案：from that day on she never spoke to him (2)从那以后我再也没见过他。 ________________________________since then.
with...
与„„有„„/许多/很多/无/几乎无共同之处
(2)in common with与„„相同
common sense常识 (3) common interest共同兴趣
Hale Waihona Puke ④In common with many young people，he prefers pop music to classical music. 和许多年轻人一样，他更喜欢流行音乐，不太喜欢 古典音乐。 ⑤Believe it or not，we have nothing in common with each other. 信不信由你，我们彼此之间没有什么共同之处。
了怎样使我成为一台“通用机器”来解决任何数学难
题。
品味经典
①With the help of his friends，he finally solved
the problem.
在朋友们的帮助下，他终于解决了问题。 ②I think this problem is not difficult to solve. 我认为这个问题不难解决。 自我探究
牛刀小试 Jenny nearly missed the flight________doing too much shopping. A．as a result of B．on top of
C．in front of
D．in need of
解析：选A。as a result of “由于；因为”；on top of “控制着，掌握着”；in front of “在„„ 前面”；in need of “需要”。
solve vt.意为解决，解答。
归纳拓展
solution n.解决办法；处理手段 a solution to...„„的解决方法
③It may take a long time to find a solution to the problem.
要找到解决这个问题的办法也许要花很长时间。
牛刀小试 — How do you deal with the disagreement between the company and the customers? —The key ________the problem is to meet the demand ________by the customers. A．to solving；making B．to solving；made C．to solve；making D．to solve；made 解析：选B。the key to...中to为介词，故后跟动名 词；demand与make为被动关系，故用过去分词作 定语。
易混辨析
as a result，as a result of
as a result 表示“因此，结果”,单独使用，作连接性状语， 起承上启下的作用。
as a 表示“由于„„的结果，作为„„的结果”，后 result of 接名词或代词，在句中常用来引导原因状语。
②As a result of exercise，he has built up his body. 由于锻炼，他已强身健体。 ③I was caught in the rain on my way home，as a result，I had a bad cold. 在回家的路上我淋雨了，因此，我患了重感冒。
②It’ll be three weeks before he comes back. 要过三周他才会回来。 ③It was a long time before I went to sleep last night. 昨天夜里过了很久我才睡着。 ④It was some time before we realized the truth. 过了一段时间我们才知道了事实。 自我探究 before在句型“It will be/was/will take/took＋时间段 ＋before...”中表示“要过多久/过了多久才……”。
归纳拓展
before在句中用作连词，引导时间状语从句，意
为“在„„之前”，在翻译句子时，常可译为“ 没来得及„„就„„；„„(之后)才„„”。
⑤She hung up the phone before I could answer it.
我还没来得及接电话，她就挂断了。
牛刀小试
(1)(2010年高考陕西卷)John thinks it won’t be
牛刀小试
—Tom and Mary got married last month.
—Are you kidding？They have ________in common.
A．anything
C．nothing
B．something
D．everything
解析：选C。句意：——汤姆和玛丽上个月结婚了。 ——你在开玩笑吗？他们没有共同之处。have nothing in common“没有共同之处”，符合句意。
你的人生将会从此改变。
③Please be more careful when you cross the street
from now on.
从今以后过马路要更加小心。
自我探究 from...on意为从„„时起。
易混辨析
from...on，since
from...on since 意为“从„„开始”，可用于一般过去时或 一般将来时态。 意为“自„„以来”，需与完成时态连用。
③The oceans have not yet been fully explored. 海洋还未被充分勘探。 自我探究 explore vt.&vi.意为探索；探测；探究。 归纳拓展
exploration n.[C，U]探索
④This book is about space exploration. 这本书是关于宇宙探索的。
自我探究 anyhow adv.意为不管怎样；无论如何；即使如此 (用于转换话题，结束谈话或回到原话题)，与 anyway用法相同。
牛刀小试
—I’m sorry for what I said. —Forget it，I can’t remember________. A．personally B．however C．anyhow D．totally 解析：选C。考查副词辨析。anyhow意为“不管怎 样，反正”，相当于 anyway，可以放在句首或句 末。
牛刀小试 It is reported that the scientists in Europe are ________all possible ways to control Escherichia coil. A．operating B．designing C．replacing D．exploring 解析：选D。考查动词辨析。题意为：据报道，欧 洲的科学家正探索控制大肠肝菌的所有可能办法 。explore探索，探究。
句型巧析 7I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. 我发育缓慢，差不多到了两百年之后，查尔斯· 巴 比奇才把我制成了一台分析机。 品味经典 ①I’m sorry you’ve been waiting so long，but it’ll still be some time before Brian gets back. 对不起，让你等了这么长时间，但是，Brian还要 过一段时间才能回来。
2In 1936 my real father，Alan Turing，wrote a book about how I could be made to work as a “universal machine” to solve any difficult mathematical problem. 在1936年，我真正的父亲艾伦· 图灵写了一本书，讲述
long________he is ready for his new job.
A．when C．before B．after D．since
解析：选C。所填词引导状语从句，构成It(will) be＋时间段＋before状语从句，意思是“要过多