高中英语必修二unit3+Computers+教案1
人教版高中英语必修二unit3+Computers+教案3.doc
Unit 3 ComputersPeriod One Warming up and ReadingBy Zhang SuochengTeaching contents:Warming up; Pre-reading; Reading; Comprehending (Page 17-19)Teaching important points:1. Students are able to learn more about the history and basic knowledge of computers.2. Students are able to learn different reading skills. Teaching difficult points:1.Help students to improve their reading abilities.2.Students are able to express their opinions.3.Help the students learn to use personification,chronology and topic sentences when writingTeac hing methods:1. Task-based teaching and learning2. Cooperative learning3. DiscussionTeaching aidsThe multimediaTeaching aimsKnowledge aims:1. Students are able to learn the useful new words and expressions in this passage2. Students are able to know basic knowledge about computers.Ability aims:1. Help students to improve their reading abilities.2. Train the students’ability to collect usefulinformation from the Internet by themselves.Emotional aim:Guide the students to work hard to create more wonderful and convenient inventions for human beings.Teaching procedureStep One Warming up1. Talk about the importance of computer and the Internet.2. Cooperative learning: Show some pictures of the development of computers.Questions: 1. What can you see in the pictures?(abacus, calculator, huge computer, PC, laptop, PDA, robot)2. What do you think will be the next development?Discussion (pair work): What do they have in common, in your opinion?Some useful expressions: I think that…In my opinion…I believe that… What’s your reason? Why do you think so?Step Two Pre-readingAsk the students to predict what the text is going to be about from the title and the pictures.Step Three While-readingTask 1: Skimming the passage for the general ideaQ 1: What is the main idea of the passage?This passage is mainly about the history of the development of computers.Q 2. Who am I?I am a computer.Task 2: Scanning for detailed information.Read the passage and finish the timeline below. (Ex. 1 on Page19)Task 3: Listen and read aloudTas k 4: Read the passage again. In pairs find out the topic sentence of each paragraph and the supporting details. (Ex.2 on Page19)Question & Summary: How to find out the main idea of a paragraph quicklyA topic sentence sets out / explains the main idea of a paragraph.A topic sentence is usually the first or the last sentence of a paragraph.Step Four Post-readingTask 5: Guessing gamesFind the word or expression for each of the following meanings from the text according to the context.(Ex. 1 on Page 20)Task 6: True or False?1. The passage mainly tells us the history of the computer.2. The computer was considered simple-minded before it got artificial intelligence.3. Charles Babbage invented the first computer.4. Since its birth the computer has been built to take the place of the human race.Step Five Brief summaryWhat have we learnt in this class?1) some words about computerscalculating machine, analytical machine, universal machine, PC, laptop,tubes, transistors, chips, network, World Wide Web, communications, finance, trade, robots, mobile phones, medical operations, space rockets2)the short history of the development of computersgreat changes in size—from__________ to ___________great changes in memory—from___________to ___________great changes in function—from___________to ___________great changes in application—from___________to ___________3) some scientists relating to computers________________built the analytical machine.________________made the first computer.4) some good methods of writinga. in the first person—personification “Who am I? ”b. in an order of time—chronologyc. topic sentencesStep Six Discussion in groups of fourWork in groups of four and discuss the advantages and disadvantages ofcomputers.Step Seven HomeworkRead the passage again. Underline the words, phrases or sentences that you don’t understand, and try to solve the problems using context clues and the dictionary.Design on the blackboardUnit 3 ComputersPeriod One Warming up and ReadingMain idea of the passage:This passage is about the history of the development of computers.Topic sentences of each paragraph:Paragraph 1: Over time I have been changed quite a lot.Paragraph 2: These changes only became possible as my memory improved.Paragraph 3: Since the 1970s many new applications have been found for me.Summary: What have we learnt in this class?1) some words about computers2) the short history of the development of computers3) some scientists relating to computers4) some good methods of writinga. in the first person—personification “Who am I? ”b. in an order of time—chronologyc. topic sentences品味人生1、不管鸟的翅膀多么完美，如果不凭借空气，鸟就永远飞不到高空。
最新人教版必修二unit 3《computers》教案.doc
河北省康保一中英语组高一年级集体备课教案主备课人: 殷桂雁参加人：王培珍杨静慧安秀云马艳丽郝康李纬周燕娜备课时间： 2010年11 月17日知识目标：Topic：Information technology ; history and basic knowledge of computers; robots New words: calculate universal, simplify, sum, operator, logical, logically, technology revolution artificial intelligence intelligent solve reality personal personally tube total totally network web application finance mobile rocket explore anyhow goal happiness download virus signal type coach arise electronic appearance character mop nicePhrases;from…on as a result so...that human race in a way with the help of deal with watch overSentence patterns ;1 making decisionsI think /I don’t think that…I believe that…I’ve decided that…Let’s decide…let’s make a decision2 ReasoningThe advantage/disadvantage is …I agree/don’t agree…because …Give me your reasons:First……second.What makes you think so?As/since……,I think……Grammar :现在完成时态被动语态的建构和用法Over time I have been changed quite a lot.First as a PC and then as a laptop , I have been used in offices and hones since the 1970sSince the 1970s many new applications have been found for meI have also been put into robots and used to make mobile phones as well as help with medical operations能力目标：让学生学习用英语表达自己的观点并进行简单的理由阐述及做出决定，并能按时间先后顺序来描述某事。
人教高中英语必修二：Unit+3+Computers+教学设计.doc
Unit 3 Computers(教学设计)Reading: Who am I?Teaching goals:1. To have a better understanding of the main idea of the passage.2. To enable the students to talk about computers and robots in English3. To learn two reading skills.Teaching aids: Computer, student’s book.Teaching difficulty: How to find topic sentences and supporting details.Teaching procedures:Step 1. Lead-inShow the topic of the unit and tell the students that what we are going to learn today. At first,I will show them some pictures and get them to say what they are.An old calculating machine used in China until now. (An abacus)It is built to solve some mathematical problems. But it is too big. (A huge computer) It is a new calculating machine which can solve a large number of mathematical problems.(A calculator)It is a personal computer which can solve all kinds of problems and is used widely now.(A PC / personal computer)Then show these pictures out of order and let them put the pictures in order of time. Check the answers together. Let the students know what they’ll learn today.Show the teaching aims on the screen: Getting a better understanding of the passage. Learning two reading skills.Step 2 SkimmingAsk the students to skim the first paragraph as quickly as they can and answer: Who am I in the passage?They can deal with this question easily so we just need to check the answer.Reading for the main idea of the passage. They can choose it from two sentences. Give students only 1 minute, then ask them to get the main idea of the passageStep 3 Reading for specific information.At the beginning, explain to the students what topic sentence and supporting details mean. Students can read the explanation on the screen by themselves.As the passage is a bit difficult, I’ll lead the students to find out the topic sentence and supporting details of paragraph 1. Add explanations where necessary.Next, the students should be able to find out the topic sentences and supporting details of paragraphs 2 and 3. Give them several minutes.After finishing the tasks, make a simple summary.As we talk about the development of something, time is very important for us to understand better. Now let’s complete the timeline on page 19. Give them three minutes to finish it individually.A chain of events showing the development of computer / Changes of the machineTimeline1642: ____________________________________________:: the Analytical Machine was made by Charles Babbage.1936: _______________________________________________________________________1960s: ________________________ ______________________________________________: the first family of computers was connected to each other.1970s: ______________________________________________________________________Now: _______________________________________________________________________In order to help the students get a better understanding, I’ll show them a short video about the development of computers.Step 4 Post-readingNow we know the development of computers(show the pictures in the right order). Can you guess What’s Next?Give students 2 minutes to talk with parters about What will robots do for us in the future?Then ask some students to share their opinions with us.Summarize like this: Robots are useful in our daily life. For example, it can help us cook, clean the room, wash clothes and accompany us . Also, they can direct the traffic,carry out operations and even do some dangerous jobs.Blow the short summary, I’ll show them two sentences and they are supposed to decide which one is the topic sentence:A.Robots can do a lot of things for us.B.Robots have changed a lot.Step 5 SummaryToday we have learnt:1). the development of computers2) how to find topic sentences and supporting details.Encourage the students to use the reading skills in study.Step 6 Homework1. Read the text aloud and try to retell it in order of time.2. Read the passage again. Underline the sentences that you don’t understand and try to solve the problems using context clues and the dictionary.品味人生1、不管鸟的翅膀多么完美，如果不凭借空气，鸟就永远飞不到高空。
[高中英语]高中英语必修二Unit+3+Computers教案+
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教学准备1. 教学目标教学目标：1.To have a good review of the key words and phrases and be able to write the good and bad things about computers .2.To learn by ourselves and cooperate with each other.3.To be a hard-working,and practical student.2. 教学重点/难点1.To have a good review of the key words and phrases and be able to write the good and bad things about computers .2.To learn by ourselves and cooperate with each other.3.To be a hard-working,and practical student.3. 教学用具4. 标签教学过程一.必考单词速记1.事实 n. ________________2. (电脑)操作员,接线员__________3. 性格；特点 ______________4.科技；工艺 _______________5.目标,目的 n. ______________6. 出现；发生vi. ______________7. 解决；解答vt. _______________ 8．类型,打字 v.& n.____________9.发信号 vi.& n ；信号._________10.无论如何,即使如此adv. ______二.写出下列单词的变化形式1. operator n. 操作员; 接线员→_____________v. 操作; 经营→____________n. 操作; 经营2. technology n.工艺; 科技; 技术→_______________ adj. 科技的3. intelligence n.智力; 聪明; 智能→_________adj.智能的; 聪明的4. appearance n. 外观; 外貌; 出现→________________vi. 出现5. application n. 应用; 用途; 申请→_______________v. 应用; 申请→___________n. 申请人; 求职者6. explore vt.& vi. 探索; 探测→___________n. 探险家; 勘探者→_____________ n. 探索7. personal adj. 私人的; 个人的; →________adv. 就个人而言; 亲自→_________n. 个性; 人格;三、用所给词的适当形式填空(1)Can you say dolphins are much more ____________than other animals?Well, they are animals of high _____________. (intelligent)(2) She expressed her _________ opinion yesterday. ____________ speaking,I agreed with what she said. (personal)(3) Any ___________ who would like to _____________ to become an assistant in our company should send us an ___________ .(apply)四、语境助记——词不离句,句不离段With the electronic technology revolution going on,simplified calculation is solved in the application on finance by universal exploration. Our goal of making life happier is certain to be realized through man's intelligence.五、翻译下列必背短语1.在某种程度上_______________2.依…看；据…认为_____________3.从…时候起_______________4.结果_______________5.处理；安排；对付____________6.弥补,补足；整理,编造_________7.毕竟_______________8.看守,监视 _______________9.在……帮助下_______________六.根据句子意思写出单词的正确形式.1.With the most difficult problem _____________(solve),I went to Qingdao for a good rest.2.With so many problems _____________(arise) unexpectedly, the manager was at a loss about what to do next.3.The team e_____________ the mountain for gold, finding nothing valuable there.4.The policeman s__________ to the car to stop.5.They took turns to________(看守) their clothes while they were swimming .6．________________(从现在起), I will spent too much of my time in writing _______________(以致于) I will no longer have time ______________(处理) those interpersonal relationships七、单元考点作文串记（根据提示翻译句子）1．近来,高智商(intelligent)的机器人出现(arise)了._______________________________________________________________2．有些可以打字、发信号(signal)._______________________________________________________________3．有些能处理(deal with)一些重要事情._______________________________________________________________4．在某种程度上说(in a way),电脑改变了我们的生活._______________________________________________________________5．许多学生对电脑如此着迷以至于(so ... that ...)在电脑上花费了太多的时间._______________________________________________________________6．部分学生在考试中失败._______________________________________________________________7．但不管怎么说(anyhow)电脑在我们的日常生活中起很重要的作用._____________________________________________________________________ ____。
高中英语必修二：Unit+3+Computers+教案1+
Unit 3 ComputersI. Teaching Material Analysis (教材分析):This text is an exposition on science, whose title WHO AM I? is so interesting that it can arouse students’ curiosity to read. Words and expressions in this text are too obscure to understand. We can use pictures and the context to guide students to understand. There are three paragraphs in this text, each of which has a clear topic sentence that gives the main idea of the paragraph, so students should be guided to pay attention to them. Unlike other expositions, this text is written in time order and the first person, which should be introduced to students as well.II. Students Analysis（学情分析）：It is the first time that students have read an exposition on science in senior school. They are not familiar with this type of writing. In addition, difficult terms and dull content in this text make it boring for students to read. Therefore, it is very important to arouse their interests and gain their confidence in reading.III. Teaching Aims（教学目标）:Knowledge aims（知识目标）：1. Get the students to know the following new words and expressions in this text: calculating machine, universal machine, analytical machine, artificial, intelligence, PC(personal computer), tube, transistor, chip,application, finance, trade, mobile, rocket, network.2. Get the students to have a better understanding of the history and basic knowledge of computers.Ability aims（技能目标）:1. Students can improve their reading ability by predicting, skimming and scanning.3. Students can find the topic sentence and supporting details of each paragraph.Emotional aims（情感目标）:Get the students to be interested in learning computers and learn how to use computers correctly.IV. Teaching Important Points and Difficult Points（教学重难点）: Important points（重点）：1) Enable the students to better understand the text structure by the clues of time;2) Enable the students to find the topic sentence of each paragraph;3) Enable them to improve their reading ability by predicting, skimming and scanning;Difficult points（难点）:1) Enable the students to have a clear mind about the topic sentence and the supporting details.2) Enable the students to explore, discuss and summarize the textstructure.V. Teaching Methods（教学方法）:1. Task-based teaching and learning2. Cooperative learning3. DiscussionVI. Teaching Procedures（教学过程）:Step one: lead-in（导入）To introduce the topic of this unit, ask the following questions:“What do you do in your spare time?”“Do you play games on computers?”Computers are very useful in our daily life.Step two: warming-up（热身）1)“Then in what other ways are computers used?”With this question, we can introduce some words which appear in the third paragraph: communication, trade, science and technology.2) Now that computers are important and useful in our life, then do you know “how computers developed?”It is very necessary that we ask students this question and then explain it to them. In this way, we can help students understand some difficult words which will hinder them from reading, and make them focus more on reading instead of on solving difficult words.From the above tasks, students have already been familiar with the textthey will read, and thus they may not be afraid to read it.Step three: predicting（预测）“Acco rding to the title and the two pictures on page 18, can you predict what will the text be about?”Before prediction, we can ask students to describe the two pictures, which can increase the efficiency of their predicting.Step four: skimming（略读）Ask students to skim the text and then answer the two questions:1) Who is the speaker?Based on prediction, this question is easy for Ss to answer.2) What is the main idea of the text?To simplify the question, I ask them to get the main idea in the following way:The text is about the ________ and the __________of computers. These two questions can help students have a general understanding about the text.Step five : scanning（扫读）Scan the text by listening to the tape and then finish the timeline:In 1642 calculating machineIn 1882 analytical machineIn 1936 universal machineIn the 1940s as large as a roomIn the 1960s connected by a networkIn the 1970s new applicationsNow computers connect people all over the worldFrom this question, students can have a detailed understanding about the text and it will help students clearly find that the text is written in time order.Step six: careful-reading（细读）1) Please read the text for a third time and then find the topic sentence of each paragraph.First read paragraph one in two minutes and find its topic sentence.Students have known how to find a topic sentence of a paragraph, however, they still have no idea about the relationship between topic sentence and supportive sentences in a paragraph. For paragraph one, I will give guidance, and para.2 and 3 can be left to them.2) Now it’s your turn to finish para.2 and 3 in three minutes. After that, have a discussion in groups of four to exchange your ideas.By cooperative discussion, students who have known the topic sentence and supportive sentences may help those who do not know. Step seven: post-reading（读后）The above reading activities are all about input, and now it is high time they should output what they have learned in this text. So I designed a retelling as follows:1) Over time I have been ______ quite a lot. I began as a __________machine in 1642. In 1882 I was built as an _________ machine and then in 1936 Alan Turing wrote a book about how I could be made to be a _________ machine. These changes only became possible as my _______ improved. In the 1960s they give me a family connected by a _______. In the 1970s many new _________ have been found for me. My goal is to provide humans with a life of _____ ______. Now I am a devoted friend and ______ of the human race.Besides language output, I also design a summary about text structure to raise their awareness of a whole text.2) The text was written in _____ order and used_______ person(人称)in _______ and ________________tense(时态).The type of writing (文体) of this text was an ________.Step eight: homework assignment（作业布置）1) Read the text by listening to the tape and underline the difficult points you cannot understand;2) Try to complete exercise 1 and 2 on page 20;VII: Blackboard Design （板书设计）Para.1 changed a lotcalculating machineanalytical machineuniversal machine英语学习讲义PC(personal computer)laptopPara.2 memory improvedtubes--transistors--chips—network--WWWPara.3 applicationscommunicationfinance / tradescience and technology。
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。
人教版高一英语必修二教案《Unit 3 Computers》
Conclusion—Whatusefulexpressiondoweusetomakeadecisionandre ason?
ห้องสมุดไป่ตู้
精心整理 (Inthisway,theycanreviewandusethewordsandphrasesagain.) Step6Pre-writing
精心整理 Computersareusefulandhavebroughtuslotsofgoodthings,buttheya lsocausebadeffects.Whatattitudeshouldwehavetowardsthecomput er?(Makegooduseofitbutnevergettrappedbyit.)
Gothroughthechartandmakesurethestudentslookatthechartbefore theylistentothetape.(Thisistosharpentheirattentionandlisten fortheanswers.Thiswillalsohelpthemgetthegistofthetext.)Then Listentothetapeandfinishfillinginthechart.(Ifnecessary,play thetapeforseveraltimes.)
Say:Afterlisteningtotheirtalk,weknowallkindsofIThavebothdis advantagesandadvantages.Let’schecktheanswerstogether.
精心整理 TypeofITAdvantagesDisadvantages TVYoucanbothlistenandwatch.Youcannotwritetofriends. WebYoucanfindinformation.Itisveryexpensive. RadioYoucanlistentoEnglish.Youcannotwatchafilm. BookYoucangetinformation.Sometimesitisoutofdate. 3.Post-listening:
基础编程教案：高一英语必修2Unit3Computers全单元教案
基础编程教案：高一英语必修2 Unit3 Computers全单元教案随着科技的不断发展，计算机变得越来越普遍，也越来越深入人们的生活中。
作为学生，我们需要掌握计算机的基础知识，学会如何使用计算机，更好地应用它们。
本篇文章将为您介绍一份高一英语必修2 Unit3 Computers全单元教案，帮助您更好地理解和掌握计算机的相关知识。
一、教学目标1.了解计算机的基本知识，包括计算机的特点、发展史和计算机的应用领域。
2.掌握计算机相关的词汇和语法。
3.了解计算机对人类社会发展的影响。
二、教学内容1.计算机的概念及其特点2.计算机的发展史3.计算机的应用领域4.计算机相关的词汇和语法5.计算机对人类社会发展的影响三、教学步骤1.导入通过展示一些计算机的图片，让学生了解计算机的外观和工作原理，引导学生思考计算机在我们日常生活中的作用。
提问学生：计算机是什么?计算机有哪些特点?2.讲解介绍计算机的概念及其特点，包括计算机的四项基本特征：自动性、可编程性、电子化和存储能力。
同时讲解计算机的发展史，梳理计算机的发展历程和各个时代的代表性计算机。
介绍计算机的应用领域，让学生了解计算机在不同领域的应用，如科学研究、工业生产等。
讲解计算机相关的词汇和语法，如“硬件”、“软件”、“网页”等。
3.练习让学生进行计算机相关的练习，如基本的计算机操作、编程等。
同时让学生在网络上查找相关文献，拓展知识面，增强对计算机的理解和掌握。
4.讨论让学生就计算机对人类社会发展的影响进行讨论，探讨计算机在不同领域对人类生活的影响。
引导学生思考计算机如何可以更好地服务人类和改变人类社会。
5.总结总结本节课的内容，强调学生需要通过学习计算机相关知识，提高自己的计算机技能水平，更好地适应和融入未来社会的发展和变化。
四、教学反馈通过小测验或互动问答的方式，让学生对所学内容进行检验和总结，及时了解学生的学习情况和掌握程度，以便制定更好的教学计划。
人教版高中英语必修2 Unit 3 Computers教学设计
Content: Vocabulary, Warming up and WritingObjectives:1. Enlarge the vocabulary about computers by quiz and the combination with the practical use;2. Learn about the development of computers by referring to the pictures and the givenmaterials;3. Write about the advantages and disadvantages of using computers by individual and groupwork.Bases of objectives: V ocabulary required in curriculum criterion and their use in practical use. Key and difficult points: the memory of vocabulary; the development of computers.Idea and strategy:Student-centered learning; Inquiry activity ( individual & group work);Combination with practical life.Procedures:Step I. Duty workStep II. IntroductionActivity 1 A Quiz1. What is it in English?2. How many English words do you know on the keyboard?Esc Tab Caps-lock Shift Ctrl Alt EnterBackspace Delete Printscr Insert Home End PgUp / PgDn 3. More knowledge about computers:1) What is IT? 2) What is CPU?3) What is WWW? 4) What is the English for “科学技术”?5) When did the computer begin?A.1640B. 1642C. 1822D. 19366) Who really invented the computer?A. NewtonB. Bill GatesC. Alan TuringD. Thomas Edison7) When did computers come into the common family?A. In the 1950sB. In the 1960sC. In the 1970sD. In the 1980s8) What does “artificial intelligence” mean?4. Other useful words and expressions about computers:network virus program website hacker register download upload home page desk top user name click software hardware Consolidation: Complete the sentences with proper words.1) We should use computers properly and never be a m_____ potato.2) In the accident he e______ being killed.3) You can input the capital letters when you press the key “s ___”.4) If the situation is out of c______, it will be hard to deal with.5) If you want to remove something from the computer, just press the key “d _____”.6) With the development of ______ and ________(科技），computers have entered our life.7) Hackers are said to start a computer _____(病毒）.8) Nowadays you can ______(上传）and _______（下载）information from the net easily. Step III. Warming up1. The development of computersAbacus---calculator---huge computer---PC---laptop---PDA---Robot•An abacus is an old calculating(计算) machine used in China until now.• A calculator is a new calculating machine which can solve a large number of mathematical problems.• A huge computer is built to solve some mathematical problems. But it is too big.• A PC is a personal computer which can solve all kinds of problems and is widely used now.• A notebook computer is a kind of useful computer which can be taken conveniently (方便的) like a notebook.• A PDA, Personal Digital(电子的) Assistant, is a digital tool used to help to deal with personal work.2. What’ s next?Activity 2 Thinking (Individual work)Q: In what ways is the computer used？Step IV. WritingActivity 3 Group workPeople say computers bring us more advantages than disadvantages. Do you think so?Advantages:Disadvantages:Conclusion: There is no doubt that computer has two sides. …Step V. Summary What have we learned today?1. V ocabulary: (mouse, host, monitor, escape, shift, control, delete, insert, virus, register,download, upload, technology, artificial, intelligence, calculate, digital, solve, deal with)2. the development of computers;3. the advantages and disadvantages of computers.Step VI. Self-assessment(自我评价) (excellent --- good --- just so so --- not good)Step VII. Homework1. Try to remember as many words related to computers as possible;2. Finish one passage to write about the advantages and disadvantages of computers.Begin like this: With the development of science and technology, computers are playing an important part in our life. It brings a lot of advantages as well as disadvantages.On one hand, …On the other hand, …Step VIII. Reflection:。
人教版高中英语必修2 Unit 3 Computers第一课时教案
人教版高中英语必修2 Unit 3 Computers第一课时教案Period One Intensive ReadingTeaching Goals：1. Target Languagea. The Key Words and Phrasessimplify logically technological revolution solve from…on personalas a result totally so…that network Web application explore anyhow human raceb. T he Key SentencesOver 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 even I couldn’t believe it!2. Ability Goals：Enable students to learn about the development and history of computers.Teaching Important & Difficult Points：Understand how details are used to support topic sentences.Teaching Methods:Prediction, scanning and discussion.Teaching Procedures & WaysStep I Warming-upT: How many of you have computers in your home? Please put up your hands.Ss :respond accordingly.T: What do you usually do on your computers?Ss:Type documents/homework, listen to music, watch videos, play games, search on the Internet, send mails …T: When I were at your age, I knew nothing about computers. Most Chinese families never heard about it. However, in recent years, computers have become more and more popular, and most families in cities have one or more than one computer in their home. And some families in villages also have their own computers. Computers make life more convenient and colorful. However, it took a long time for humans to have computers that we see today. Now look at the pictures on page 17 and discuss what they have in common. Then think about Questions 2 & 3.Suggested answers:1.These pictures are all technological inventions.2.From these pictures, we know computers have experienced a long development process,and the development will never stop.3.(There may be various answers.)Step II Pre-readingPrediction: 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.Sample list: date processing; industrial design; learning and teaching aids; TV program editing; entertainment (watch TV/video, listen to music, play games, online chat…) communication (e-mail, e-card, instant message) …T: Now look at the inventions in activity 3. First check their meanings in your dictionaries. Then put them in the order according to the time when they appeared.Help students understand the meanings of the words: analytical, calculate and universal. Note:Universal machine is also known as Alan Turing's “universal computing machine”, is capable of computing any algorithm.Students may have different answers. They will check it after reading the passage.T: Have you put them in the right order? You will find it after reading the passage. Now turn to page 18 please.Step III ReadingSkimmingGet students read the whole passage and try to get the main idea of it.After readingT: What does “I” in the title refer to?Ss: Computer.T: What is the main idea of the passage?Ss: The passage is mainly about the history and development of computers.ScanningT: 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.T: The passage has three paragraphs. Find out the topic sentence of each paragraph, and the details that are used to support the topic sentences. Then complete the chart in activity 2.the topic sentences are not standing there alone, they are supported with details and date, which make the topic sentences more convincing. Now I will play the tape of this passage. Listen and find out/underline the difficult words and expressions.Teacher gives some explanations.T: What can be “over time” replaced by?Ss: As time goes by.T: How do you understand the word “simplify”? Look! (on the board: simple+-ify). -ify is a suffix which means to turn into, make or become. For example, beautify. So if you know the meaning of “simple”, you can easily get the meaning of “simplify”. Who can tell me its meaning?S: To make something easier or less complicated.T: What does “it” in line 9 refer to?Ss: It refers to the fact that computer was programmed by an operator who used cards with holes.T: Why was Alan Turing called computer’s real father?S: I guess that’s because Alan made computer more powerful, which could solve any difficult mathematical problem.T: What does “this reality” in line 15 refer to?S: It refers to the reality that computer had grown as large as a room.T: In paragraph two, there are two sentences which contain the use of “so…that…” structure. Underline them and study carefully.Show the following on the screen/board:●Over time my memory has developed so much that, like an elephant, I never forgetanything I have been told!●And my memory became so large that even I couldn’t believe it!Help students sum up the form and function of this structure:Form:so + adj./adv. + that + clauseFunction:This structure is used when emphasizing the degree or amount of something by saying what the result is.Step IV DiscussionT: Discuss this question in groups: Why do many countries want to host the Olympic Games while others do not? Use the mind map below to help you. Then prepare for a class discussion. Put forward your ideas and give reasons for your choices.T: Why do many countries want to host the Olympic Games?S: Hosting the games has a major effect on the economy and brings international prestige to the country. Thousands and thousands of visitors come to the game s and the host cities are permanently improved. By planting trees and creating parks, the city becomes more attractive for tourists.S: It helps to strengthen the spirit of patriotism and also can create more job opportunities and improve the quality of employment.S: The Olympic Games is the world's largest and highest level, and most widely influential sports event. The people of all countries enhance mutual understanding and friendship and safeguarding peace in the world event. Besides, the hosting of the Olympic Games is not only a country's comprehensive strength of the comprehensive test, but also to expand a country’ influence around the world, and at the same time promote their own development as a good opportunity.T: Well done! Why do many countries don’t want to host the Olympic Games?S: Preparing for the Olympics Games is a huge undertaking. Just like the athletes, the host city spends years getting ready for the event. Before deciding which city will host the Olympic Games, the International Olympic Committee (IOC) has to examine bids from allover the world. Bidding for the games begins about ten years in advance. Without preparing a very strong bid1, a city will not win the competition to host the games.S: Hosting the Olympic Games take so long time and so much money to prepare. Building the infrastructure costs huge amounts of money. Holding the World Cup in 2002 in Japan and South Korea, for example, meant that ten new stadiums had to be built, as well as many hotels and an improved transport system. In Beijing, after winning the bid, the government began major construction projects — the extension of the underground, the improvement of the airport and the building of new motorways. Each host city must also build an Olympic village for the athletes.S: Too many visitors may do harm to the environment of the city, in addition, the venues and buildings may be wasted after the Olympic Games.T: Well done! As every coin has two sides, hosting the Olympic Games has its advantages and disadvantages. For our powerful China, it is a good opportunity to host the Olympic Games which can benefit us a lot.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. Don’t write in the first person.。
新人教版高中英语必修2Unit3 Computers教案
Unit 3 ComputersTeaching aims:1. TopicInformation technology; history and basic knowledge of computers; robots2. Useful words and expressions:Calculate calculator PC notebook common analytical simple simple-minded technology technological revolution universal mathematical artificial intelligence anyway totally network truly race birth IT advantage disadvantage type disagree choice material personally create coach move arise brain mop wanderIn common in one’s opinion go by so …that…deal with human race in a way make up after allwith the help of watch over3. Functional items:a)Making decisionsI think that…In my opinion…I believe that…Let’s make our decision.I’ve decided that…b)ReasoningThe advantage/disadvantage is…I think this one is better because….I don’t think this one because….What’s your reason?Why do you think so?4. StructuresThe present perfect passive voiceI have been made smaller and smaller.I have been used by millions of people.I have truly been built to help the human race.Teaching proceduresPeriod 1. SpeakingStep 1. Warming up1. Ss talk about the pictures on page 17 with the teacher’s help.An abacus is an old calculating machine used in China until now.A huge computer is built to solve some mathematical problems. But it is too big.A calculator is a new calculating machine which can solve a large number of mathematical problems.A PC is a personal computer which can solve all kinds of problems and is used widely now.A notebook computer is a kind of useful computer which can be taken conveniently like a notebook.2. Now let’s discuss what they have in common in small groups. Remember to use some of the following expressions.I think that…In my opinion…I believe that…What’s your reason?Why do you think so?Step 2. Listening (page 55)Ss are asked to read fast the requirement of Ex. 1 and 2 to fink out the listening points first. Then listen to the tape twice to complete Ex.Step 3. Talking (page 56)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 best for you. Remember to discuss the advantages and disadvantages of each one. Them make your choice and give reasons.Using the following expressions in discussion:I believe that….I think this one is better because…Let’s make our decision…In my opinion…I’ve decided…I don’t like this one because..Period 2. ListeningStep 1. RevisionSs talk about something about computers or robots.Step 2. Listening and writing (page 21)Ask the Ss to read through the directions and look at some pictures below and a form above on page 22. make sure they know what to do while listening.Task1. Listen to a conversation about different kinds of information technology of IT.Task 2. Discussion and fillingSs discuss the advantages and disadvantages of each one in small groups and fillStep 3. Listening task (page 58)1. Ss will be asked to look at the picture and the form quickly to find out the important points.2. Play the tape twice and ask the Ss to fill in the form.HomeworkSs discuss the use of computer chips in their spare time.Period 3. ReadingStep 1. Pre-readingSs in groups discuss the following questions:1. What do you know about computers?2. How have computers changed our lives?Step 3. Reading1. Ss read the passage and get the general idea.(The text is mainly about the history and development of computers. And it is also about the relationship of computers and humans.)2. Ss read the passage and finish the timeline on page 19.Suggested answer:1642: The computer began as a calculating machine.1822: The Analytical Machine was built by Charles Babbage.1936: Alan Turing wrote a book to describe how computers could be made.1960s: Computers had new transistors and become smaller.1960s: The first family of computers connected to each other.1970s: Computers were brought into people’s homes.Now: Computers connect people all over the world together.Step 4. After-reading1. Ss discuss:What changes have computers and the internet brought to schools?What changes will they bring to schools in the future?2. DebatingTopic:Surfing the internet more is good for young students.Surfing the internet more is bad for young students.Homework1. Recite the key sentences in the text.2. Prepare for learning about language.Period 4.(Language learning and grammar)Step 1. RevisionSs try to retell the text, using their own words.Step 2. Language points1. in commonhave nothing in commonhave little in commonhave something in commonhave a lot in common2. simple-mindedabsent-mindedopen-mindednarrow-mindedsingle-mindedstrong-mindedweak-minded3. make a decision4. in a way5. after all6. watch over7. wanderStep 3 Discovering useful words and expressions1. Ss read the text and finish exercise 1 on page 19.2. Ss read the passage on page 20, part 2 and try to complete it with appropriate words.3. Ss look at the sentences in exercises 3 on page 20, and tick the right word.Step 4. Grammar: The present perfect passive voiceShow the Ss the following sentences, and then change them into passive voice.1. We have made a plan.2. He has fixed the computer.Step 5. Practice (discovering useful structures)Ss finish part 2 on page 20.Homework1. Review what they have learnt about the present perfect passive voice.2. Finish Wb exercises 1 and 2 on page 56 and 57.3. Finish using structures, exercise 1 on page 57.Period 5. Extensive ReadingStep 1. RevisionCheck Ss’ homework.Step 2. Reading (P22)1. Ss read the passage and discuss how to design their own android.2. Ss answer 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?3. Ss read and finish True of False questions.4. Check the answers.Step 3. Reading (page 58)1. Ss read the passage on page 58 quickly.2. Ss fill in the form of Ex.1 and keep a record of his performances.Step 4. Speaking1. Imagine you have been lucky enough to be allowed to interview Hua Fei in hospital for your school newspaper. Work out some questions.2. Ss play roles in pairs. One of you will interview Hua Fei. The other will imagine he/she is Hua Fei. Then change roles. Finally, take notes of your partner’s answers to the questions.HomeworkPrepare your writing for the newspaper.Period 6. WritingStep 1. Speaking and writing (page 22)1. T: Suppose 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 has. Make a decision about which kind of computer to buy and explain why. There is a list of things your computer could have on page 22.A fast PC the monitor is smallerImproved disc storage used recycled materialsInternet a flat screen2. Ss talk about the special things each computer can do and write a report.3. Ss read their report in class.Step 2. Writing (page 23)1. T: suppose you are an android and work for a family with one child who is very spoiled. The parents want you to do everything for them. The parents are kind, but they often ask you tko watch over their child. How do you feel? What would you do if the child asked you to do his/her homework for him/her? Would you tell the child “no〞?2. Ss write their passage with the beginning on page 23.Step 3. Writing task (page 60)Ss try to finish the writing task on page 60 if time permits.HomeworkFinish the project on page 60.Period sevenTeachers can use this period freely.Suggestion: Teachers can use this period to let Ss sum up what they have learned and explain what Ss couldn’t understand very well in this unit. Teachers can also add more practice in this period to consolidate what the Ss have learned. Finally, ask the Ss to finish checking yourself. It is very important to improve their learning.。
【人教版】高中英语必修二：Unit 3 Computers 教案
Unit 3 Computers I. 单元教学目标II. 目标语言III. 教材分析与教材重组1. 教材分析本单元以computers为话题，旨在通过单元教学，综合听、说、读、写等多种形式，使学生了解计算机和信息技术的产生和发展过程及其在我们的学习、工作、娱乐等生活中所起的重要作用，激发学生对信息技术的兴趣。
1.1 Warming up提供几幅与计算机有关的图片，形象地说明了计算机的发展历程，并用三个问题引发学生对这一话题的思考，从而起到热身的作用。
1.2 Pre-reading根据文章内容预设问题，检查学生对computers相关知识及应用的了解。
学生对computers的了解可能参差不齐，这更能激发学生想获取更多知识的欲望，从而引出下面的阅读文章——WHO AM I?。
1.3 Reading中以别致的标题WHO AM I?引起学生的好奇心，使学生迫不急待地阅读这篇文章，并判断出“I”是computer，从而对文章的内容印象更深刻。
文章以第一人称的形式按时间先后顺序讲述了computers的产生、发展和现状，并用拟人化的口吻表达了computers乐于为人类服务的精神。
1.4 Comprehending 1 通过scanning的方式完成反映计算机发展历程的时间进程；2 通过填表的形式帮助学生宏观梳理文章结构，找出每个段落的主题句（论点）及具体的支持性论据；3 是读后讨论，要求学生结合自己的生活实际讨论计算机如何改变了我们的生活。
1.5 Learning about language分词汇（Discovering useful words and expressions）和语法（Discovering useful structures）两大部分。
Discovering useful words and expressions 1 根据单词释义写出相对应的词汇，考查学生对WHO AM I? 文章中的重要词汇及短语的理解。
人教新课标高中英语必修二Unit 3 Computers教案(1)
Unit 3 ComputersI 教学内容分析本单元的中心话题是“计算机”。
Warming up部分用图片呈现了计算机发展的历史，让学生通过看图讨论的方式了解计算机的发展和演变过程。
Reading部分编者采用了拟人化的手法向读者介绍了计算机的发展历程。
Comprehending部分包括三个练习，分别从事实层面、分析层面和拓展层面考察学生对文章的理解和运用情况。
Learning about language部分的活动突出了形容词和副词用法的区别，并扣本单元的语法点（现在完成时的被动语态）。
Using language部分的听力材料中谈论的是信息技术的几种形态或载体（包括收音机、书籍、电视和电脑；在读说活动中，通过智能机器人参加足球赛的经历向读者介绍了计算机运用的另外一个例子。
Learning Tip部分鼓励学生利用图书馆，网络等课外资源学习英语，有利于学生使用资源策略。
Reading for Fun 部分是一首活泼风趣的小诗，以拟人的方法让机器人自述了心声：尽管日夜忙碌，为人服务，但它相信自己和真实的人类没什么两样。
II．教学重点和难点1．教学重点(1) 本单元的生词和短语；(2)通过学习本单元，使学生了解计算机的发展历程，及其在当今社会的广泛运用；(3)鼓励学生用英语表达自己的观点，进行简单的推理和做出决定。
2．教学难点(1) 教会学生通过时间的先后顺序来表达一件事；(2) 使学生了和掌握现在完成时的被动语态的用法；(3) 指导学生按类别归纳整理词汇，让学生学会有效地记忆词汇的方法；(4) 引导学生发现本单元重点语言结构，让学生自己发现并感悟相关的语言规律，在学习过程中培养语感。
III．教学计划本单元分六课时：第一课时：Warming Up, Pre-reading, Reading第二课时：Language points第三课时：Learning about language第五课时：Speaking, Reading, WritingIV．教学步骤：Period 1 Warming Up, Pre-reading, ReadingTeaching Goals:1. To know something about computers.2. To learn and talk about computers.Teaching Procedures:Step 1. Leading-inPurpose: To activate the Ss and arouse them to talk about the importance of computers in modern society.Ask Ss whether they have a computer or not and what they use it for. Let them talk as much as possible.Step 2. Warming UpPurpose: To get Ss to think about the differe nt ways computers can be made.Pair workGet Ss to look at the following pictures, and then ask them to answer the questions.A huge computer A PCA notebook computer A calculatorAn abacus1. What are they?2. What do they have in common?3. What is a computer?Suggested Answers:1. a huge computer, a personal computer, a notebook computer, a calculator, an abacus2.(1) to be used to calculate;(2) operate by human beings;(3) they are all artificial;(4) show figures in a certain way.3. A computer is a machine which stores knowledge in its memory and does calculations onthat 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.A computer is now almost always an electronic device. It usually contains materials whichare 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.Step 3. Pre-readingPurpose: To activate Ss’ interest about computers.Group workAsk Ss the following questions and encourage them to say more.1.How have computers changed our lives ?2.What do you know about computers ?Suggested Answers:1. 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.2. 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.Step 4. Reading1. SkimmingPurpose: 1. To get a brief understanding of the text.2. To train the students’ listening ability.First, let Ss skim the text and then listen to the recording of the text. Pay attention to the pauses and pronunciation.2. ScanningPurpose: To get Ss to have some details in the text.Now we are to read the text again and underline all the expressions in the text. Writethem down in your notebook.3. Further ReadingPurpose: To get Ss to get more details about the text.Read the text again and find the information to complete the table, which describes thedevelopment of computer.1642: ___________________________________________________1822: The Analytical Machine was made by Charles Babbage.____: ___________________________________________________1940s: ________________________________________________________: The first family of computers was connected to each other.1970s: ___________________________________________________Now: ___________________________________________________Step 5. RetellPurpose: To have a deep understanding of the text.Ask Ss to use the chart above to retell the development of the computer.One possible version:I, a computer, was a calculating machine in 1642 in France. Then I was 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, later very small chips I changed my shape. I was connected with other computers and turned out to part of a network in the early 1960s. In 1970s I was brought into people’s homes, and came the Internet.Step 6. Homework1. Write a short passage about the development of computers.2. Finish Ex1 (P19), Ex2 (P20).Period 2 Language pointsStep 1 Word studyGroup workDivide Ss into four groups and ask them to discuss the following words.1. common（1）most widely known; ordinary:Eg He is a common sailor.（2）have nothing/little/something/ a lot in commonEg At first, I think we only had one thing in common, but suddenly I felt we had a lotin common.Eg The two brothers had everything in common in their manners, but the two sisters have little in common.Eg They have nothing in common with one another.2. analytical分析的Eg The scientist analyzed the milk and found it contained too much water.3.technology 科技；技术Eg With the development of technology, we will cure AIDS sooner or later.4.calculate(v.)1)to use numbers to find out a total amount, distance, etc. 计算；核算We haven’t really calculated the cost of the vacation yet.2)to guess sth by using all the information available 推测，估计It is impossible to calculate what influence he had on her life.5.As time went by, I was made smaller.随着时间的推移，我被弄得越来越小。
高中英语 Unit 3 Computers教案(1)新人教版必修2
Unit 3 ComputerPart 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 Nibble CPU –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 you 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 t elephone 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 thenative reader.2. Reading aloud and underlining expressionsNow we are to read the text once again and underline allthe expressions in the text. Put them down into yournotebook after class as homework.Collocations from WHO AM I?begin as…, a calculating machine, be built as…, followinstructions from…, sound simple, at the time, a technologicalrevolution, 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 nowfor parts of the Internet where we can talk with many different peopleat the same time. Usually, you chat on the internet in a chat room or 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 Voice)AimsTo learn to useThe Present Perfect Passive VoiceTo 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—OverviewTense or Model Passive SentenceSimple Present The TOEFL exam is given every six months.Simple past The TOEFL exam was given last month.Simple Future The TOEFL exam this year will be given on October15. PresentContinuousThe TOEFL exam is being given every year.Present perfect The TOEFL exam has been given every year since 1950.Past perfect The TOEFL exam had been given before the Vietnam War occurred.Simple Modal The TOEFL exam should be given to every Foreign student.Past Modal The TOEFL exam should have been given to all to enter US colleges.2. The Present Perfect Passive VoiceThe structure of The Present Perfect Passive Voice 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.As the years have gone by, I have been made smaller and smaller.Since then, my family and I have been used by billions of people to deal with information with each other around the world by the Internet.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…, in com puter 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 resemblesa 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 term android 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 n amed 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 in1642 in France, the computer has beenexperiencing improvement again and over againover 300years or more, which has not only madeit more beautiful and intelligent but alsochanged man’s life a great deal!Topic sentence of 1stparagraphI began as a calculating machine in 1642 inFrance.Topic sentence of 2ndparagraphNo one could recognize me after I got my newtransistors 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 → InternetIII. A retold version of the text WHO AM I?I, the computer, was a calculating machine in 1642 in France.Then I was built as an Analytical Machine in 1822, which wasa technological revolution. I became a “universal machine”in 1936 to solve any mathematical problem. I was not very bigat 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 andspeakers. Inside yourcomputer there are morebits of hardware,including themotherboard, where youwould find the mainprocessing chips thatmake up the centralprocessing unit (CPU). The hardware processes the commands it receives fromthe software, 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 operatingsystem software, such as the Apple OS for a Macintosh, orWindows 95 or Windows 98 for a PC. There is also applicationsoftware, like the games we play or the tools we use 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 programsand to turn on some hardware devices so that they areready for more input from you. This whole process iscalled booting up.The next step happens when you choose a program youwant to use. You click on the icon or enter a command to start the program. Let’s use the 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 onthe printer icon. Again, you have provided input to tell the computer what to do. The browser software determines whether you have a printer attached to your computer, and whether it is turned on. It may remind you to turn on 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 woodenframes and sat on the floor like furniture. Newer TVsbecame smaller so they could fit on shelves, or evenportable so you could take it with you wherever you went.The smallest TVs can fit in your hand. The largest TVscan take up a whole 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 tomusic, news, and people talking. Radio shows were thepredecessor to TV programs.V. DVDDVD most commonly stands for “digital versatile disk”.It can play video that is of a higher quality than a VHStape.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 distances and is usually free.To send or receive an email, a computer with a modemand telephone line connected to the Internet, and anemail program 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。
高中英语必修二教案：Unit+3+Computers
The Second Period Learning about LanguageTeaching goals 教学目标1. Target language 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 logicallyb. 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 my memory has developed so much that, like an elephant, I never forget anything I have been told!Since the 1970s many new applications have been found for me.I have also been put into robots and used to make mobile phones as well as help with medical operations.I have even been put into space rockets and sent to explore the Moon and Mars.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 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 and imitation.Teaching aids 教具准备Projector and tape recorder.Teaching procedures & ways 教学过程与方式Step I RevisionCheck 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.Step II Discovering useful words and expressionsT: 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.Check the answers.T: Now look at the words in activity 2. Do you know their meanings? Check their meanings in your dictionaries. Then complete the passage with the words. Check the answers.T: Now activity 3. Look at the phrases in bold in the story. What do they have in common?S: They are all time phrases except “as a result”. They are used in the passage to indicate the development of the story. From them, we get a clear timeline of the story.T: Correct! Now use these phrases to create one of your own stories. The story can be a real one or an imaginary one.After they finish writing, let students exchange their stories and proofread for each other.Step III Discovering useful structuresLet students find sentences in the present perfect passive voice in the text and then analyze their form and function. (Activity 1 on page 21.)Students may find the following sentences:1. I have been used in offices and homes since the 1970s.2. Over time my memory has developed so much that, like an elephant, I never forget anything I have been told!3. Since the 1970s many new applications have been found for me.4. I have also been put into robots and used to make mobile phones as well as helpwith medical operations.5. I have even been put into space rockets and sent to explore the Moon and Mars. Then let students study these sentences carefully and sum up the form of present perfect passive voice tense.Elicit the structure: S + have/has + been + V-edT: Why is the passive voice used here? When do we usually use passive voice? Ss: …T: The passive voice is used when the subject of a sentence is the person or thing affected by the action of the sentence. We particular use the passive voice when don’t know or aren’t bothered exactly who has done something. Now look at activity 2. Change the sentences into the present perfect passive voice. Pay attention to the use of has/have. When do we use has and when do we use have?Ss: We use has when the recipient of the action is the third person single or single nouns. We use have when the recipient of the action is the first or second person or plural nouns.After students finish, check the answers.T: Now write passive sentences in Present Perfect according to the words given. Show the following on the screen.1 the postcard / send __________________________2 the pencils / count ___________________________3 the door / close _____________________________4 the beds / make _____________________________5 the mail / write _____________________________6 the trees / plant _____________________________7 the money / spend ___________________________8 the room / book / not _________________________9 the rent / pay / not ___________________________10 the people / inform / not _______________________Answers:1 The postcard has been sent.2 The pencils have been counted.3 The door has been closed.4 The beds have been made.5 The mail has been written.6 The trees have been planted.7 The money has been spent.8 The room has not been booked.9 The rent has not been paid.10 The people have not been informed.Then deal with activity 3.T: Read the poem. Underline the use of the present perfect passive voice. Then decide which things have been done well and which have been done badly. Guess what might have happened to the face, hair and shoes and what might have happened to the flowers, grass and paths. You can get cues from the examples.After students finish, check their work.Then get them to write a similar poem following the rhythm and intonation.T: Which words in the poem rhymes?Ss: washed, combed, cleaned, planted, cut, swept, again, again.T: Right! Now write your own poem with similar rhythm and intonation. After you finish, exchange yours with your partner’s and check for each other. Pay attention to the rhythm and grammar.Then, let some read their poems to the class.Step IV Workbook ExercisesGive students some time to finish USING WORDS AND EXPRESSIONS andUSING STRUCTURES in Workbook individually. If time is limited, leave them as homework.。
高一人教课标必修2unit3-computers全单元的教案
Period 1 ReadingThe General Idea of This Period： This period includes Warming up，Reading and Comprehending of Unit 3.It introduces the history and development of this period the students will learn more about they can learn some reading strategies such as skimming and scanning. Teaching Aims： 1.Train the students’ reading ability. 2.Learn some useful words and expressions. 3.Learn more about computers. Teaching Important Points： 1.Help the students to understand the passage better. 2.Learn how to use some important words and phrases in this passage. Teaching Difficult Points： 1.How to help the students improve their reading ability and understand the passage better. 2.Learn how to use some important words and phrases in this passage. Teaching Methods： 1.Skimming the passage to get the general idea of the text. 2.Scanning to get the details from the passage. 3.Explanations and practice to help the students master some language points. 4.Discussion to help the students understand better what they’ve learned and to use the knowledge they’ ve learned in this period. Teaching Aids： 1.A tape recorder. 2.A multimedia. Teaching Procedures： Step 1 Warming up 1.Greeting the students as usual. 2.Introduce the topic of computers Show the five pictures 〔an abacus，a huge computer，a calculator，a PC，a notebook computer〕and get the students name them in this task，st udents can have a general idea about what they are going to ，students are expected to have a discussion about what they have in common while looking at they are required to use the given expressions in their discussion to express their ideas. T：B oys and girls，today I am going to introduce some machines to let’s see whether you can name them in English correctly，and talk about work together with your partners and try to find out what they have in common.1Two minutes late，five students are asked to talk about them in class. S1：An abacus is an old calculating machine used in China until now. S2：A huge computer is built to solve some mathematical pro ，in my opinion，it is too big. S3：A calculator is a new calculating machine which can solve a large number mathematical I think it is very convenient to carry and use，so we ofte n use it. S4：A PC is a personal computer，which can solve all kinds of problems and is widely used in offices，schools，shops，at homes，. S5：A notebook computer is a kind of useful computer which can be taken conveniently like a I think it is too expensive. T：Quite seems that you are all quite familiar with these can you tell what they have in common?Any volunteers? S6：Let me think they all calculate can deal with some maths problems. S7：I believe that they are our good their help we can finish our work quickly. S8：The 21th century is the century of information middle school students，we should try to learn how to use computers. T：Well，your opinions are all ，these machines all can calculate ’s more，from the abacus to the notebook computer，there is a long now computers have already changed our lives do you know more about computers and can you say something about how com puters have changed our lives. Step 2 Pre-reading Show the questions on the screen. T：Now，please have a discussion first，and then I’ll ask some students to report your work. After a few minutes. T：Now，who would like to answer the first question?Voluntee r! S9：I’ll have a know that computers have developed from large have been made smaller and smaller，but work faster and really can’t imagine what they will be like and wh ether they can take the place of human beings in the future. T：Yes，this is really a big think you are all interested in computers，you may go on studying computers，and perhaps one day you will design your own computers and become the masters of computers.OK!Next question! S10：I think computers have changed our lives use computers widely in our study，in our are using the computer to teach us English，aren’t you? S11：In my opinion，in the modern society，using the computers means grasping a tool of2controlling the may communicate with each other from a very long short，we can not live freely without them.T：I agree with computers are becoming more and more important in our learning more about computers is also importa nt，isn’t it?OK，let’s come to the reading passage “Who am I”.Step 3 Reading Task 1.Skim the passage for the general idea. T：Boys and girls，you will be given two minutes to skim the passage and try to find out who “I” am and get the general idea of this pa ssage. After two minutes. T：Time is would like to tell us who “I” am and give the general idea of the text to the class?Volunteer! S12：Of course，“I” am the passage is mainly about the history and development of computers. S13：The passage is also about the relationship of computers and humans. Task 2.Scan for the details. T：Boys and girls，you will be given two more minutes to scan the passage and try to find out the answers to the following ’s see who can find out the answers most quickly and correctly. 1.Where were you in 1642? 2.What happened to you in 1822? 3.What were you called in 1936? 4.What did you get in the 1960s? 5.What happened to you in the 1970s? T：Have you finished? S14：I was in France as a calculating machine in 1642. In 1822，I was built as an Analytical Machine by Charles Babbage. I was called “a universal machine” in 1936，as I could solve any mathematical problem. In the 1960s ， I was given a family connected by a network ， so that I could share information with others and we could talk to each other. In the 1970s，I was brought into people’s homes. T：You are so quick-minded that in such a short time you could find out all the answers to the mind really works like a computer! Step 4 Comprehending Task 3.Fill in the timeline to remember the facts. T：But can you memorize facts like a computer?I am afraid you can let’s try to remember the facts in the passage by filing in the timeline on Page 19，which，I am sure，will help you remember the facts easily. Suggested answers：3Timeline 1642：The computer began a s a calculating machine. 1822：The Analytical Machine was built by Charles Babbage. 1936：Alan Turing wrote a book to describe how computers could be made. 1960s：Computers had new transistors and became smaller. 1960s：The first family of computers connected to each other. 1970s：Computers were brought into people’s homes. Now：Computers connect people all over the world together.T：Have you finished?If so，please check your answers ’m sure all of you have got themyou can retell the history of computers easily with the help of the timeline，can’t you?Please havea try，boys and girls!Step 5 Homework1.Recite the key sentences.2.Prepare for Learning About Language.3.Try to retell the text using about 100 words.Step 6 The Design of the Writing on the BlackboardUnit 3 ComputersThe general idea of the text：Period 1Questions1.Where were you in 1642?2.What happened to you in 1822?3.What were you called in 1936?4.What did you get in the 1960s?5.What happened to you in the 1970s? Language points： 1.in common/have... in common 〔with〕...2.in one’s opinion3.deal with5.“as” and “with” 6.“There were times when... ”Step 7 Record after TeachingPeriod 2 Learning about LanguageThe General Idea of This Period： This period includes revision of the text、learning about this period the students will learn how to use some of the key words and expressions in the text and do some exercises for consolidation，and learn how to use the Present Perfect Passive Voice. Teaching Aims： 1.Help the students to learn to use some useful words and expressions. e the students to learn how to use the present perfect passive voice. Teaching Important Point：4The use of the present perfect passive voice. Teaching Difficult Points： How to master the usages of some important words and phrases and the Present Perfect Passive Voice. Teaching Methods： 1.Task-based learning. 2.Cooperative learning. 3.Explanation and practice. Teaching Aids： 1.A tape recorder. 2.A multimedia. Teaching Procedures： Step 1 Revision T：Boys and girls，in last period we learned something about the history and development of who would like to retell the text with the help of these figures? S1：Let me 1642，a calculating machine was used in in 1922，the Analytical Machine was made by Charles could follow instructions from cards with 1936，Alan Turing，the real father of computers，wro te a book to describe how computers could be made to work and built a “ universal machine ” to solve any mathematical ， people discovered the computer had “artificial intelligence”.In the 1960s，the computer got his new size was totally changes at that in the early 1960s，the first family of computers were connected to each 1970s，computers have brought into people’s computers have been used by billions of people to deal with information and communicate with each other around the world by the Internet. T：Congratulations!You’ve done very try to do the same to your partners，OK! Step 2 Words and Expressions Task 1 T ： Please turn to Page 19 and finish Discovering Useful Words and first ， look at Ex.1.From the reading passage ， find the words and expressions with the following ， ten students will be asked to give the can?Volunteers! Check the answers together. Task 2. T：Well please look at Ex 2.and complete the passage with some of the words attention to the use and the forms of those words. The possible answers： ne twork so that went by totally truly simple-minded Anyway deal with Task 3 T：Please finish Ex.3.Look at the sentences on Page 20.Tick the right some of you will be asked to read the sentences one by one. The possible answers： 1.Life totally changed when I went to university. 2.I was amazed to find that I won the competition to design a new computer. 3.The competition was so exciting that we cheered all evening. 4.I was so excited at the thought of meeting Yang Liwei that I could not sleep. 5.Robots can be bought so cheaply that I gave one to each of my friends.56.It was so unlucky that you lost your watch at the concert. Task 4 T：Please turn to Page 56 and let’s finish Using Words and look at Ex.1.Read through the words in the right-hand box some of them to name each part of a computer in the left-hand have known about who can give us the exact names? The possible answers：Task 5 T：Now please look at plete the sentences with some of the words in the righthand box can use each word only do the exercise individually，and then check yo ur answers with your last seven students will be asked to report their answers to the class. The possible answers： 1.A printer is a machine for printing text or pictures onto paper，especially once connected to a computer. 2.A CD-ROM or disk is the main device that a computer uses to store information. 3.A monitor is used to see your data on a computer. 4.A keyboard is used to put data into a computer. 5.A CPU is often used to conne ct computers to each other through phone lines. 6.Data can also be stored in a floppy disc，which is small and can be carried easily. 7.A hard disc is a disc that contains computer can store a large amount of data. Step 3 Grammar—The Present Perfect Passive Voice T：Boys and girls，now please pay attention to the following sentences in the text： 1.As the years have gone by，I have been made smaller and smaller. 2.Since then，my family and I have been used by billions of people to deal with information and communicate with each other around the world by the Internet. 3.I have truly been built to serve the human race since my birth. T：What verb tense is used in these sentences?And what verb voice is used in these sentences? Yes，the present perfect pa ssive voice is used in these sentences. Can you tell us the structure of the present perfect passive voice? Quite structure of the present perfect passive voice is “subject＋have/has been done＋ object”.The function of present perfect passive voice is indicating verbs’ the present perfect and the passive ，let’s practise the present perfect passi ve voice. Task 1 T：Please turn to P ’s finish Discovering useful structures. At first，look at Ex.2.According to examples，change the following sentences into the present perfect passive the verbs into the correct form. Suggested answers： 1.A new personal computer has been bought. 2.Many problems have been found with our new computer. 3.A PC has been built the way we wanted. 4.Our computer has just joined to the Inter net. 5.The computer has been used every day since we bought it. 6.A lot of e-mails have been written on the computer in the last year.6Task 2 T：Class，let’s play a game called “What has been decided”.Now，get into groups of task is to decide what things have been decided for the turns to make the ideas as interesting and lively as you may finish them according to EXAMPLES on Page 21，〔or finish Ex.3 after class.〕Then collect the ones you all like best and be prepared to tell them to the class. Suggested answers： S1：It has been decided that those who know of the computer will be asked to say something in class. S2：It has been decided that those who didn’t clean the blackboard will be asked to come into office after school. Task 3 T：Now，pleas e turn to Page 57.Finish using ，look at Ex.1 and change the following sentences according to the model ， and pay attention to the passive voice do the exercise individually，and then check your answers with your that we’ll check the answers in class. Step 4 Homework T：OK，it’s almost time for a look at Ex.2 on Page 57.Translate the following sentences into English after words and expressions in brackets may help you. Step 5 The Design of the Writing o n the BlackboardUnit 3 Computers Period 2The Present Perfect Passive Voice 1.As the years have gone by，I have been made smaller and smaller. 2.Since then，my family and I have been used by billions of people to deal with information and communicate with each other around the world by the Internet. 3.I have truly been built to serve the human race since my birth. Structure： “subject+have/has been done+object” Step 6 Record after TeachingPeriod 3 Extensive ReadingThe General Idea of This Period： This perio d 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，an d learn something about the performances of a sporting robot of the 22nd century，Hua Fei in 78th Olympics 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.7Teaching Methods： 1.Task-based learning. 2.Cooperative learning. Teaching Aids： 1.A tape recor der. 2.A multimedia. Teaching Procedures： Step 1 Greetings Step 2 Reading 〔1〕 We’ve learned a lot about computers，but can you imagine that computers could be put into androids or of the fun you c ould 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 des igning competition to see who will design the best robots. The students read the passage fo r several minutes. T：A few simple questions for does Andy look like? What can it do? S2：Andy looks like a is designed to play football games and can move and think like a is really smart. T：I agree with you eager to design your smart robots?Now in small groups discuss how to design your own androids，draw a picture of your androids and write down your 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 that In my opinion... What is your reason? I have decided that... After several minutes. T：Now，I’ll check your from each group will show your picture of the android you have designed and tell the class your we’ll see which group has designed the best would like to try first? S3：Look is the picture of the robot we’ve does it look like?Yes，it looks like a all like dogs very morning it will wake us up so that we will not be late for it will company us to school and carry our heavy know how heavy our bags are!In the evening，after a whole day’s hard work， it will play beautiful music to help us it will cost at least 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 would like it to look like the famous footballer Beckham who serves as a striker on the football has the most advanced program，so it can move and think like Beckham，and of course can shoot good goals like 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 really want to go on appreciating your designs，but8time is you put up your pic tures 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 fillin 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 doing it individual ly，please check your answers with your partners，and then we will check the answers in class.Suggested answersRECORD CARDHUA FEIAbility Performance in 78th OlympicsHigh flying exercises Wonderful turns，dives，circles and dancesPrize wonSilver medalPerformance in 79th OlympicsBegan very well but failed through on fault of his ownReason for failureParachute failed to openTreatmentTwo new legs and a new headStep 4 HomeworkT：It’s almost time for a 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 allowed to interview Hua Fei in hospital for your school out some questions together with your partner，and then interview each other.Step 5 The Design of the Writing on the BlackboardUnit 3 Computers Period 3TimeEvents1642182219361960s1960s1970sNow9Reference for your design of the androids： 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?RECORD CARD AbilityPerformance in 78th Olympics Prize wonPerformance in 79th Olympics Reason for failure TreatmentStep 6 Record after TeachingHUA FEI High flying exercises Wonderful turns，dives，circles anddances Silve r medalBegan very well but failed through on fault of his ownParachute failed to open Two new legs and a new headPeriod 4 ListeningThe General Idea of This Period： This period includes listening and writing on Page 21；，the purpose of this period is to train the students’ listening—for information；for comprehension and for ，the students will be trained to express their 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 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 we will listen10to a conversation about differe nt kinds of information technology or as we know，each kind ofinformation technology has its own advantages and from this conversation we will listen for theadvantages and disadvantages of each 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 ，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 newspapertry to finish filling in the form with the information you have just got from the conversation. 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 groupsand then decide which type of IT is best for you to use，according to the form above and explainthe discussing，remember to use the following expressions：I think that...In my opinio n...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 ofEx.1.After that，you will find the three robots from the pictures above on Page 55 and num ber them. The possible number： Picture 1—No.3 Picture 3—No.2 Picture 4— T：Now please look at these boxes on Page 55 before you listen to the tape again，and try tofind out the listening more attention to the se 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 thencheck your answers with your partners.Suggested answers：Personal robot SizeWhat it looks l ike 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 yuan11Lonely 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 look at the pictures are two androidsin works as a other works in a car are friends and they were made at the same ti they are talkingabout their lives and what it feels like to be ，please listen carefully to their problems and fill inthe ’ ll play the tape twice.After listening. T：Try to fill in the forms as quickly as you can，and then we will check the answers inclass.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 intheir are treated you are going to make a list of the rights that androids should have so that theywill be treated can work with your partners and have discussion. Suggested an swers：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 can see that yourlistening has greatly improved since you came to the senior on your good work!OK，we have notime ’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.12Personal robot SizeWhat it looks like What it can do PriceBird-like android SizeWhat it looks like What it can do PriceLonely android SizeWhat it looks like What it can doTelephone numberStep 7 Record after TeachingInformation 35 cmRobot with five arms All homework 50 yuan a dayInformation 10 cmBird-like android Sings beautifully600 yuanInformation 2mLarge， energetic robot Climbs mountains；plays guitar；sings karaokeRoom-1234Period 5 WritingThe General Idea of This Period： This period includes speaking and writing on Pag e 22 and writing on Page 23.The purpose is to encourage the Ss to think and talk creatively about computers and androids，express their own opinions using words and expressions concerning computers and androids，and organize their ideas into a compositio n. Teaching Aims： 1.Enable the students to learn how to write a report about their choice. 2.Enable the students to learn the writing way of expressing ideas and giving reasons to support the ideas. Teaching Important and Difficult Point： How to make a decision about which kind of computer to buy and explain why. Teaching Methods： 1.Task-based learning. 2.Cooperative learning. Teaching Aids： A projector and multimedia. Teaching Procedures： Step 1 Speaking and writing 〔Page 22〕 T：Class，suppose you and your partner have been asked to help choose computers for13your have looked at several about the special things each computer a decision about which kindof computer to buy and explain then you are going to write a report about your choice There is alist of things your computer could have.A fast PC the monitor is smallerImproved disc storage used recycled materialsInterneta flat screenStudents talk about the special things each computer can do.T：So much for the now you will be given five minutes to write a report about your thatsome of you will be asked to present your report to the your writing try to use the present perfectpass ive in your may begin your r eport like this：We looked at many different one we have chosen is the PEP personal of the main reasons isthat it is suitable for found out that...Five minutes later，severa l students begin to present their reports to the class，and theteacher will show two or three reports using the projector to find out and correct the possiblemistakes with the class.Possible versionWe looked at many different one we have chosen is the PEP personal of the main reasons isthat it is suitable for found out that it looked not only cute but also advanced.First，it has a flat screen which makes the computer pretty the second and the mostimportant aspect about the PEP is that it has undergone a lot of improvements in many example，it contains improved disc storage and that means it’s faster ’s suitable to be connected to the thePC has a smaller monitor and is made with used recycled materials which do no harm to theenvironment.In a word，we think it is suitable for our school.T：Thank you for helping choose computers which are suitable for our school，and I’m surewith these computers to be equipped in our school we will improve the teaching conditions andteaching quality of course.Now，let’s come to the writing on Page 23.Step 2 Writing〔Page 23〕T：Boys and girls，suppose you are an android and work for a family with one child who isvery parents want you to do everything for parents are kind，but they often ask you to watchover their do you feel?What would you do if the child asked you to do his/her homework forhim/her?Would you tell the child “no”?You may begin like this：Hello， name ’m a 321 model work for the Li family...Now，you will also be given five minutes to write your opinion and feelings.Five minutes later，the teacher shows two or three of the passages written by the studentsusing the projector to find out and correct the possible mistakes with the class.Possible versionHello，’m a 321 model work for the Li job is taking care of their only parents are nice butthe boy is family asked me to do everything for them，from shopp ing to cleaning the w hat’sterrible，the child asked me to do his homework!That’s too much!I’m an android，yes，but I’vegot my mind and feelings I can’t do things that are harmful to people against my will!Step 3 Summary and HomeworkT：Boys and girls，in this period，we worked hard and wrote two short ’ve not only14。
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Unit 3 Computers教学设计（一）掌握本单元的重点单词和短语。
（二）了解计算机和机器人的历史和基本知识。
（三）语法：现在完成时的被动语态。
（四）学会做决定和推理的基本语言。
通过自主探究，小组合作，巩固词汇，增强阅读能力，了解计算机、机器人等现代科技。
一.写出下列词汇：1.算盘abacus2.简化simplify3.合逻辑的logical4.人造的artificial5.私人的personal6.应用application7.计算calculate8.探索explore9.技术technology 10.智力intelligence 11.总的tolal12.电子的electronic二.找出以下短语：1)和…有共同点have sth in common 2)把…和…比较compare…with…3)根据according to 4)计算出，解决work out (figure out)5)把…按顺序排列put …in an order6)听起来简单sound simple7)作为…的开始begin as 8)在那时at that time9)解决问题solve problems 10)随着时间的推移as time goes by11)结果as a result 12)与…连接connected by13) 和…分享share sth with sb 14) 和，而且as well as15)提供给某人某物provide sb with sth 16) 充满be filled with17) 一种高质量的生活a life of high quality18)一个忠诚的朋友a devoted friend19）从……起from…on20）在……的帮助下with the help of21）处理，对付deal with 22) 看守，监视watch over三.翻译句子1. I begin as a calculating machine in France in 1642.1642年我在法国诞生时是一台计算器。
2. I developed very slowly and it took nearly two hundred years before I was built as 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。
3. Over time my memory has developed so much that, like an elephant,I never forget anything I have been told.随着时间的推移，我的记忆能力发展得如此之快，就像一头大象一样，从来不会忘记告诉我的任何事情！4. And my memory became so large that even I couldn’t believe it.我的储存量变得如此巨大，连我自己都不能相信！5.I was able to share my knowledge with others through the World Wide Web. 我能够通过万维网和其他人分享我的知识。
6. Anyhow, my goal is to provide humans with a life of high quality.不管怎样，我的目标是给人类提供高质量的生活。
学习目标：掌握本单元重点单词、短语和句型。
一、重点单词1. calculate （v.）计算，核算，推测，估计1) It is impossible to calculate what influence he had on her life要计算出他对她的影响那是不可能的。
2) 我们还没有确切地计算出度假要花多少钱。
We haven’t calculated how much we will spend on the holiday.常用词组：calculate on= depend on 指望calculator (n.)计算器calculation (n.)计算calculating (adj.)斤斤计较个人得失的，自私的2. personally （adv.）就个人而论1) 就我个人来说，我是反对他的建议的。
Personally, I was against his suggestion.2)她不喜欢这个计划，但我本人觉得还可以接受。
Although she doesn’t like the plan, personally, I think it acceptable.3. totally（adv.）= completely 完全地，全部地，整个地1) 那个镇子在地震中完全被毁了。
The town was totally destroyed in the earthquake.2) 他们来自完全不同的文化。
They are from the totally different cultures.total（adj.）全部的in total 总计The repairs came to over 500 yuan in total. 修理费总共500元。
4. signal （n.）信号，暗号（v.）发信号，打暗号1)红灯常被用作危险的信号。
Red light is used as the warning signal.2)小偷用信号警告同伴警察来了。
The thief signaled to his fellows that the police were coming.5. Anyhow, my goal is to provide humans with a life of high quality.anyhow=anyway 无论如何, 反正，即使如此1）反正，这辆二手车是值得买的。
Anyhow, this old car is worth buying.2）It’s possible that I’m not fit to be a teacher just as you say, but _____,I’ll have a try.A. somehowB. anywayC. thereforeD. otherwise二、重点短语1. in common 共同的(地), 共有的(地) 常与have连用have nothing in common 无共同之处have little in common 几乎无共同之处have something in common 有一些共同之处have a lot in common 有许多共同之处1) You know, Mary, you and I have one thing in common.你知道，玛丽，你和我有一个共同之处。
2) 我突然感觉到我们有很多共同点。
I suddenly feel that we have a lot in common.2. as a result 结果；终于；因此1)结果，他只得放弃。
As a result, he had to give up.2) My friend Martin was very sick with a strange fever; ______, he could neither eat nor sleep.A. as a resultB. after allC. any wayD. otherwise3. compare with翻译：1)Compare this one with that one.把这个和那个作比较。
2) We often compare children to the nation’s flowers.我们常常把孩子比作祖国的花朵。
【归纳用法】compare A with B 把A与B比较compare A to B 把A比作B注意：当compare的过去分词短语作状语时，与with或to搭配都表示“与…相比”e.g ：Compared with (to) many of your classmates（与其他许多同学相比较）, you are very lucky.4. make up 编造，补足，化妆，组成理解：指出各句中划线部分的意思。
(1)Five doctors and ten nurses made up the medical team.组成(2)The student made up an excuse for his being late.编造一个借口(3)The girl makes herself up in the morning. 化妆(4) He soon made up for the lessons he had missed.补足注意：作“组成”时,常用被动结构be made up of (由……组成)Five doctors and ten nurses made up the medial team.=The medial team was made up of five doctors and ten nurses.5. deal with 处理，对付，涉及1)我不知道如何来对付这些淘气的男孩。
I don’t know how to deal with these naughty boys.2)你应该认真地处理这个问题。
You should deal with the problem attentively.注意：deal with与do with在表示“处理”这一意思时，deal with与how连用，而do with与what连用。
3) Last summer he taught us _____poisonous(有毒的) gas.A. how did we deal withB. what did we deal withC. how we dealt withD. what we dealt with6. watch over看守，监视，保护，留神，照管，照料1)我度假时你能帮我照料我的狗吗？Could you watch over my dog while I am on holiday?2)请你去游泳吧，我来照管这些衣服。
Go swimming please, and I’ll watch over the clothes.联想: watch out (for) = look out (for) 警惕、密切注意7. In 1963 my real father, Alan Turing, wrote a book about how I could be made to work a s a “universal machine” to solve any difficult mathematical problem.注意：主动形式被动形式1) My parents have always made me feel good about myself.(feel/to feel)2)The black workers were made to do the heavy work in those days. (do/to do)8.I was able to share my knowledge with others through the World Wide Web.和某人分享、分担某事1) It’s always better to _____your worries and problems.A. enjoyB. shareC. likeD. appreciate2）如果你能让我搭车(give me a lift)，我将和你分担费用。