高中英语 必修2 Computers-period4 精品导学案(含答案解析)

高中英语必修2Unit3《computers》精品导学案（含答案解析）Unit3Computers类别课程标准要求掌握的项目重点单词solvegoalsignaltypeariseelectronicexploreanyhow重点短语from…onasaresultso…thathumanraceinawaywiththehelpofdealwith重点句型1.Inpairsdiscusswhattheyhave in common.2.Whatdo you thinkwillbethenextdevelopment?3.Idevelopedveryslowlyandit tooknearlytwohundredyearsbeforeIwasbuiltasananalyticalmachinebyCharle sBabbage.4.Overtimemymemoryhasdev elopedsomuchthat,likeanelephant,IneverforgetanythingIhavebeentold!5.ButIwasalwaysso lonely standingtherebymyself，…情景交际1．Makingdecisions 2．Reas oning语法ThePresentPerfectPassiveVoice写作Writeadescriptionofandroidandwhatitcando.课时安排课时教学内容节数作业教学日期1 词汇 1 教材P20（Ex1~3）2 听力 1 教材P223 整体阅读 1 Work bookP58ReadingTask4-6 语言点 3 1.Assignment12.Assignment27 语法 1 教材P21Ex48 习题 1 NewspaperPartⅠ:Keywords1.explore vt.&vi.探索；探测；探究（explorern.探险者，勘探员；explorationn.探险，探索，试探）1)探测，勘察，探险Theoceanshavenotyetbeenfullyexplored. .。

Unit 3 Computers 学案学习目标与要求Scanning:TimelineGo through the text quickly to find some information and fill in the form.So in which order is the text organized? (time order)True or False:1. Alan Turing built an Analytical Machine to solve any mathematical problems.2. People began to realize that the computer got cleverer and quicker with time passing.3. The computer began to serve the human race since it was brought into people’s homes.4. Since the 1970s, the computer was used by people around the world through the Internet.5. The larger the computer is, the more memory it has.(F T F T F)Step3 ComprehendingTask 1. Choose the best answers according to the text:1. What’s the main idea of the text? (D)A. The computer wants to find “who he is”.B. The functional change of the computer.C. The computer becomes popular around the world.D. The history of the computer.2. What can you infer from the text? (B)A. The computer has artificial intelligence.B. The computer changes a lot over the years.C. The computer was not connected by a network until in the early 1960s.D. Now the computer can only be used to deal with information.Language focus:1. As the years have gone by, I have been made smaller and smaller.go by = pass随着时间的推移，电脑开始得到人们的认可。

Book2 Unit3 Computers课后复习学案Warming up-Reading学习目标：1、通过对计算机阅读课文的学习，课后巩固计算机的发展历程及其在当今社会的广泛应用。

2、鼓励学生找出文章文章结构，文章框架，和文章要点，进行信息重组。

3、深入了解说明文的写法，学会按时间的先后顺序说明描述一件事。

4、使学生了解和掌握现在完成时的被动语态的用法。

对文本进行深层阅读，用思维导图模式对文章信息重组。

Reading one注意下列词组在文中的应用：a calculating machine 计算机器an analytical machine 分析机a technological revolution 科技革命artificial intelligence 人工智能a universal machine 通用机器the World Wide Web 万维网I语篇解读：I. Fast reading: Read the passage and find out the topic sentence of each paragraph.Para1: _____________________________________________________________________ Para2: _____________________________________________________________________ Para3: _____________________________________________________________________II. Second reading. Read the passage for the second time and finish the following exercises. Task 1. Choose the best answer to each question according to the text.1. Look at the pictures and the title of the passage. Predict what it is going to be about._______A. the importance of computers.B. the applications of current computersC. the development of computersD. the future of computers.2. What can you infer from the text? __________A. the computer has artificial intelligenceB. the computer changes a lot over yearsC. the computer was not connected by a network until in the early 1960sD. now the computer can only be used to deal with informationTask 2. Read the passage and finish the timeline below.1642: Computers began as a ____________ machine in _____________.1822: The ___________ machine was made by Charles Babbage.1936: Computers grew rapidly both in ____________ and in ___________.1940s: A computer grew as large as a _____________.1960s: The first ____________ of computers was connected to each other.1970s: Computers were used in _____________ and in ______________.Now：Computers connect people all over the ____________.III.Analyze some important sentences and translate them.1.①Over time I have been changed quite a lot.②Over time my memory has developed so much that, like an elephant, I never forgetanything I have been told!③I have been put into robots and used to make mobile phones as well as help with medical operations.此三句中都包含了一个共同的时态是_____________________,它的基本结构是___________________1.④I developed very slowly and it took nearly two hundred years before I was built as ananalytical machine by Charles Babbage.⑤At that time it was considered a technological revolution and the start of my “artificial intelligence”.认为某人/某物…____________________________________⑥From then on, I grew rapidly both in size and in brainpower.⑦But I was always so lonely standing there by myself, until in the early 1960s they gave me a family connected by a network.standing there by myself在句中作__________________ connected by a network在句中作_____________⑧I was able to share my knowledge with others through the World Wide Web.⑨Anyhow, my goal is to provide humans with a life of high quality.⑩. I am now truly filled with happiness that I am a devoted friend and helper of the humanrace!IV. Find out the following phrases in the passage and try to recite them.1.有共同之处_________________________2. 把…和…相比____________________3. 经过一段时间_______________________4. 从那时起______________________5. 随着时间的推移_____________________6. 结果__________________________7. 如此…以至于… _____________________ 8. 独自地，单独地__________________9. 与…分享…_________________________ 10. 和，也_____________________11. 为某人提供某物_____________________ 12. 高质量的生活___________________ 13. 充满_________________________VReading one拓展提升学案Read the whole passage and fill in the blanks.Over time I have been changed quite a lot. I began as a(n ) ______ machine in 1642 in France. Then in 1822 I was built as a(n) ______ machine. My real father, Alan Turing, built a(n) “______ machine” to solve any ______ problem in 1936. Since I was huge at that time, people thought I was ______. As the years have ______ by, I have been made smaller and smaller.There were times when my size was _______ changed. I became smaller and thinner but I got cleverer and cleverer. In the early 1960s, I was given a family _______ by a network. Since I was brought into people’s homes, my family and I have been used to _______with information and communication each other around the world. I have ______ been built to serve the human race since my birth.。

Unit3 Computers Period 4 Listening 优秀教案（人教版必修 2）Period 4 ListeningThe General Idea of This Period： This period includes listening and writing on Page 21；listening on Page 55 and listening task on Page 58.Apparently ， the purpose of this period is to train the students’ listening — for information；for comprehension and for language.Meanwhile，the students will be trained to expresstheir own opinions after listening. 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 RevisionCheck 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 thisconversation we will listen for the advantages and disadvantages of each one.But before listeninglet’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 filling T：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 got from theconversation. Suggested answers：Type of ITAdvantagesDisadvantagesTVYou can both listen and watch You can’t write to friendsWebYou can find informationIt’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 in small groups and then decide which type of IT is best for you to use，according to the form above and explain the reasons.While discussing，remember to use the following 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 the requirements of Ex.1.After that，you will find the three robots from the pictures above on Page 55 and number them. The possible number： Picture 1—No.3 Picture 3—No.2 Picture 4—No.1 T：Now please look at these boxes on Page 55 before you listen to the tape again，and try to findout the listening points.Pay more attention to these points and you may make some notes whilelistening.Three minutes later. T：Now try to fill in the boxes with the information from the listening material，and then checkyour 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 androidInformationSize What it looks like2m Large，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 the picturesabove.There are two androids in it.One works as a maid.The other works in a car factory.They arefriends and they were made at the same time.Now they are talking about their lives and what it feels like to be android.OK，please listen carefully to their problems and fill in the form.I’ll play the tapetwice.After listening. T：Try to fill in the forms as quickly as you can，and then we will check the answers 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 future About how they are different from peopleTheir programmer does They can not smell，laugh，taste，or eat foodAbout how they are the same as peopleThey enjoy footballT：From what we have just listened，we know that Sally and Brenda have some troubles in theirlives.They are treated badly.Now you are going to make a list of the rights that androids should haveso that they will be treated better.You can work 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 Assignment T：Class，I really appreciate your good performance in this listening class.I can see that your listening has greatly improved since you came to the senior school.Keep on your good work!OK，wehave 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 4Advantages You can both listen and watch.You can find information. You can listen to English. You can get information.Disadvantages You can’t write to friends.It’s very expensive. You can not watch. 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 yuan。

PeriodFour Grammar—ThePresentPerfectPassiveVoice感知以下课文原句，完成方框下的小题1．Over time I have been changed quite a lot.2．First as a PC (personal computer) and then as a laptop，I have been used in offices and homes since the 1970s.3．Over time my memory has developed so much that，like an elephant，I never forget anything I have been told!4．Since the 1970s many new applications have been found for me.5．I have also been put into robots and used to make mobile phones as well as help with medical operations.1．以上几句中所使用的时态和语态是现在完成时的被动语态。

2．现在完成时的被动语态的构成为：have/hasbeen＋过去分词。

现在完成时的被动语态表示到现在为止某事已经被完成或被做。

这种语法项目既要表示现在已经完成又要表示被动的含义，因此很多同学在具体运用当中容易顾此失彼，难以把握。

运用现在完成时的被动语态时应掌握以下几个问题：1．构成现在完成时的被动语态的构成为：have/hasbeen＋过去分词。

2．各种句式肯定式主语＋have/hasbeendone...否定式主语＋have/hasnotbeendone...一般疑问式Have/Has＋主语＋beendone...？特殊疑问式特殊疑问词＋have/has＋主语＋beendone...？3.使用的场合(1)表示一个被动的动作发生在说话之前，强调对现在造成的影响或结果。

Book2 Unit 3模块一语言要点I 词性变化（旨在提供语法填空所需材料）1.calculate v.计算→calculation n.计算2.universal adj.普遍的，通用的，宇宙的→universe n.宇宙3.simplify v.简化→simple adj.简单的→simply adv.简直，只是4.revolution n革命→revolutionary adj.革命的n.革命者5.artificial adj.人造的，假的→man-made adj.人造的fake adj.假的6.intelligence n.智力，智能→intelligent adj.智能的，聪明的7.solve v.解决，解答→solution n.解决方法8.total .adj.总的，整个的n.总数，合计→totally adv.完全地，整个地9.application n.应用，用途，申请→apply v.应用，用途，申请10.explore v.探索，探测，探究→explorer n.探索者→exploration n.探索，探测11.type n. 类型v.打字→typist n.打字员→typewriter n.打字机12. operator n．操作员；接线员→v．操作；经营→n．操作；经营13.technology n．工艺；科技；技术→adj.科技的14. personal adj.私人的；个人的；亲自的→ad v.就个人而言；亲自→_______________n．个性；人格；名人12. application n．应用；用途；申请→v．应用；申请→n．申请人；求职者13. finance n．金融；财经→adj.财政的；金融的；资金的15. appearance n．外观；外貌；出现→v i.出现II重点短语梳理1．from then__________从那时起2．__________a way 在某种程度上3．__________the help of 在……的帮助下4．__________a result 结果5．deal__________处理；安排；对付6．watch__________看守；监视；7．have…….in___________有……共同之处8．what’s__________而且9．get__________集合；聚集10．make__________补足；整理；拟补11．work__________作为……而工作12．__________size 按面积计算13．________high quality 质量好14．__________one’s interest in培养对…的，兴趣15．give__________捐献，泄漏16．pick__________挑出，认出17.pay attention__________注意18．go__________时光流逝；19．consist____________……由……组成20．____________one’s own 属于某人自己的Ⅲ.重点词汇（旨在提供综合运用所需材料）1. sum n. 金额; 款项; 总数; 总和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。

高中英语必修2Unit3Computers单词精品导学案（含答案解析）PartOne:wordsandexoressionsGoals；1）Thestudentscanreadthewordsfluently.2)Learntheboldwordsbyheartandlearntousethemfreely.1.solve[sɔlv]vt.解决；解答solutionn.解决办法；答案Eg.1)Whocansolvethisproblem?2)Howtosolvethisproblem?2.from...on从……时起（短语）fromnowon从现在起;fromthenon从那时起；fromhereon此后；从这里开始Eg.1)Fromnowon,youcanworkonyourown.从现在开始你可以独立了。

2)Sheneverspoketohimagainfromthatdayon.翻译：1).他从那时起就知道自己会得胜。

------------------------------------------------------2).我们从现在起就应该努力学习。

-------------------------------------------------------3.asaresult结果该短语单独使用，后不接宾语，可以位于句首或句中。

Eg.Itwasfroggy;asaresult,theflightwasdelayed.(短语归纳)asaresultof作为…….的结果；resultfrom起因；由来（句子的主语为果）；resultin 导致（句子的主语为因）Eg.1)Theflightwasdelayed fog.2)Hardwork success.3)Success hardwork.4.so…that…如此……以至于……类似的短语还有such…that…so+形容词（副词）+that…/such+名词+that…Eg.Sheissocleverthatwelikeherverymuch.Sheissuchaclevergirlthatwelikeherverymuch.so+many(few,much,little)+名词+that…so+形容词+a(n)+可数名词+that…（练习）1).我有如此少的钱以至于不能买任何东西。

Period 4 ListeningPurpose: To train Ss’ listening ability.To train Ss to make a summary.Step 1. Listening (Using Language)1. Show the fours pictures to Ss and let them talk about them.TV DVDBOOKS CD-ROM2.Listen to the tape3. Listening task (Workbook P58)Step 1. Speaking1. Group workGet two Ss to be a group and tell each group do as follows. Then let some of the groups present their reports.You and your partner have been asked to help choose computers for your school. You have looked at several computers. Talk about the special things each computer can do. Make a decision about which kind of computer to buy and explain why. Write a report about your choice. Then read yourreport to another group as if they are a teacher or the headmaster. Below is a list of things your computer could have. Try to use the present perfect passive voice in your report.2. Individual workSuppose every student have a chance to get a computer and they can choose any kind of computer. Let them think about the reasons they choose the computer. Then ask them to present their reasons.Step 2. Reading (Using Language)Purpose:To train Ss’ reading a bility.1. Listen to the tape and get the main idea of the passage.2. read the passage carefully and ask Ss to answer the following questions.(1)What does he act as on the team?(2)What helped him to move and think?(3)Why does he think the team who won the first place cheated?Suggested Answers:(1)On the team, I’m a striker, so I can run very fast.(2)My computer chips help me to move and think like a human.(3)Because they had a new kind of program, which had just been developed before thecompetition.Step 3. WritingOne possible version:Hello everybody, my name is Liu Yan. I am a 321 model android. I work for the Li family and I look after their library. My job is to store all the books that they borrow from their school or friends in my brain. Of course my brain is as large as a mountain so work like that is no trouble to me. I really eat books just like people eat food.The Lis have a child who needs me to remember all his school textbooks so I can do his homework for him. He just gives me the information on the subject, what has to be done and the page numbers and I get on with it while he enjoys himself with his friends. Sometimes I don’t think it is right to do his homework for him—it’s somewhat cheating. However, his parents are very concerned at the pressure of work in school these days. The child has too much homework to do. They like him to go to the key school but they also want him to be able to have hobbies, learn to swim and keep fit! Poor child!Mr and Mrs Li work very hard too. Mr Li is an architect and designs great tall apartment blocks. Mrs Li is a doctor and has t o look after many patients. I remember all the plans for Mr Li’s projects and can tell Mrs Li which drugs are the best to give any particular patient. Mrs Li no longer has to read all those medical journals because I can do it for her. She and her husband have sometime together to enjoy life too.So they consider me the most important person in the family after themselves. I am always introduced to their friends and play with visiting children. I am the perfect family academic aid and, although I was not cheap to buy, Mr Li says I was worth every yuan!2. HomeworkNow computer games become more and more popular among students. Write an article on this topic to show their views.One possible version:Computer GamesThere's a famous saying, "Everything has two sides, the ad-vantages and disadvantages. " Computer games are no exception. In its development computer games have brought both advantages and disadvantages.Now, here's an example: A racecar game—— Need For Speed III is absolutely a fantastic game. Imagine this: You sit in-front of the screen with wheels in your hands and eyes fixed on the screen. You can feel the powerful roaring of the 3600ml engine from Porsche 911 Turbo as you drive up to 290km/h without any real danger. You can also hear the wheels screaming as a sharp turn was being made. And if you have a 3Dfx card you can really feel what is realistic. The road, the raindrops, the snowflakes and other racecars seem as real, which give us a great pleasure and satisfaction. Apart from it, they can train us to respond to things quickly. Moreover, computer games can stimulate our imagination and interest in electronics and computer sciences. On the other hand, computer games also have its disadvantages. First, it is harmful to our eyes and health, which is one of the most serious disadvantages about computer games. And sec-only, we are still middle school students, playing games is not our destination. If we play games too much, we may forget those things that we should do, because we lack the ability to control ourselves. Also, games cost a lot of money, especially for us who do not have a regular incomeSo, what attitude shall we hold towards computer games? Of course, we can not kill games, nor could we stop them from developing, because they are required by all kinds of people. After all, playing games is a primitive type of using computer, as many of my classmates do. And I think we should not stick to them, and if you don't have the ability to control yourself, you'd better keep away from it before you really stick to it.Sample writing 2:With the development of computer-technology, computers are becoming more and more popular with people all over the world. The frequency of using computer has risen year by year. The advantages taken over by computers can be seen everywhere.Due to the comprehensive applications of the computer, it has been gradually taking place of human beings in some areas. Such as people can use computers to compose,to purchase gods, and to hold meetings. What's more, computer can greatly enhance people's working efficiency.However, everything has its two aspects. Computer also has some disadvantages. Take some examples. Since computer games now have been more prevalent among students, they almost spend more than 6 hours for entertainment on computer, and not study any more. Next, many people now like to communicate with their friends on line, and they meet less frequent than ever before. As a result, the lack of the language speaking leads to their expression barriers. In short, we should make the best use of its good aspect to get more imperilments.。

高中英语必修2Computers复习精品导学案（含答案解析）Book2Unit3Revision【重点词组】havenothingincommon无共同之处;havesomething/much/alotincommon有一些共同之处asaresultmakeup编造，占据bemadeupof由...组成solveproblem解决问题fromnow/thenon从现在/那时起aswellas也inaway在某种程度上aboveall最重要的是afterall毕竟firstofall首先withthehelpof在...的帮助下astimegoesby随着时间的推移一、单词拼写1.Wehavealotinc_____________,soweoftenhavealottotalkabout.2.Thisisa______________(普遍的)mistakethateverybadyw4ouldmake.3.________________(结果),I_________(完全)changedmyshape4.Robotscanalsobecalla______________i__________________(人工智能).5.Everythinghasit'sa________________andd__________________.(有利、不利)6.Sincethe1970smanynew____________(用途)havebeenfoundforme.7.P__________,Id________withyouonyourplan.(就个人而言)8.Thetrainmsutstopwhenweseethereds__________.9.Heissosmartthatheistheonlyonewhocans___________theproblem.10.Youmustbringyourselfbackto_____________(现实),afterall,shehasleftyou.二、完成句子1.___________________,thefoodisnotenough.在我看来，这食物不够。