高中英语 Unit 3 Computers 教案新人教版必修2

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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。

高中英语必修二人教版：Unit+3+Computers+教案3.doc

Unit 3Computers教学目标(一)、知识目标1．学习本课重点的词汇2．充分理解课文大意并完成所设计出的任务。

(二)、能力目标在阅读课文，运用语言的过程中培养学生的自学能力、分析能力、想象力和合作能力。

帮助学生扩大词汇，提高思维能力和运用英语的综合能力，激发创造能力。

让学生进一步学习使用恰当的阅读方式与技能。

(三)、情感目标利用多媒体手段加强学习本课内容及相关英语表达的氛围，使学生不自觉地进入情景之中，充分调动学生的思维活动和情感体验，让学生不但学习袁隆平的科研精神，更要学习他不计名利、踏踏实实的生活态度。

本部分旨在培养学生通过自主阅读、合作探索来获取有关知识，扩大他们的词汇量，提高阅读能力。

学情分析本节课的教学对象是高一年级的学生，他们的智力发展趋于成熟，认知能力比刚入学时有进一步发展，逐渐能用英语来获取信息、处理信息、分析问题和解决问题。

本班学生英语基础相对而言较好，他们对计算机这个话题比较感兴趣，但本单元所选取文章仍然属于科普类说明文，其中不乏一些专业术语，因此本文对本班学生来说还是有一定难度。

重点难点(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。

(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。

教学过程活动1 【讲授】Step 1 Warming up Guessing game 请学生看PPT上的图片，说出物品的英文名称。

若学生说不出个别物品名称，教师提供帮助。

然后请学生两人一组讨论问题。

•What do these pictures have in common? •What do they tell you about the development of computers? •What do you think will be the next development ? 通过看图片和回答问题引出本单元话题。

人教版高一英语必修二教案《Unit 3 Computers》

3.Post-speaking
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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:

人教新课标必修二英语Unit 3Computers【教学设计】

Unit 3 Computers本堂课包括Warming up 和Reading 两部分。

他们是语言知识和文化意识的输入过程；是语言技能、情感态度和学习策略的培养过程，也是语言输出过程。

在整个教学过程中，它是培养学生阅读能力的主要过程，教学重点是阅读技能的培养、交际能力及情感态度的提升。

Warming up部分根据每个人对电脑的看法不同让学生就“Do you like computer?”进行小组探究和讨论，从自身实际出发谈论自己的看法，有助于激发学生对于整个单元的学习兴趣。

Reading部分（Computers）主要讲述的是电脑的发展史，通过一系列问题的设置让学生能够在全面理解文章的基础上提高信息处理、加工和学习的能力。

Knowledge objectives:掌握以下词语和句型：Calculate,sum, solve, simplify, artificial, intelligence, revolution,reality, totally, application, finance, in common, over time, as a result, from···on, so···that. Ability objectives:训练学生一定的阅读技巧，使他们掌握一些有效的学习策略，从而提高阅读速度和篇章理解的准确性，并养成一定的自主学习能力；培养学生快速阅读的能力、捕捉信息的能力及运用语言进行交际的能力。

Emotion objectives:通过对“computer”的学习，启发学生思考电脑给我们带来的影响，从而以一种正确的方式利用电脑和网络资源；另外通过电脑的发展历程让学生意识到科技对生活的影响。

1. 教学重点：1.了解计算机的发展过程，进一步认识计算机的演变以及对人类的影响。

2.训练学生的阅读技巧，提高学生阅读速度和理解能力。

人教版（新课程标准）必修2 Unit 3 Computers 说课(含课教案和教案)

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they gave me a family _______by _______.
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人教英语新课标必修2全册教案 Unit 3 Computer

人教英语新课标必修2全册精品教案( Unit 3 Computer)UuterPart One: Teaching Design (第一部分：教学设计) Period 1: A sample lesson plaading(WHO AM I?)AimsTo talk about computerTo read about computerProceduresI. Warming upWarming up by talking about computerLook auage 17. What are they? What dav?are computers. Then what is a computer?A computer is a machine wwledgand does calculaat knowledge. This knowledgd in symbols;alled data. A computer usually has aw results. Howevuters can speak;uters can be used for voice mail.计算机室A computer frequently requires a boot device. The boot devauter’s operatingand data. Computer programs can be installed onto a compulat computers are less usefuldo not have aITbecause the Iallowud and receive data and email aworld.曙光3000巨型计算机A compuw almost always an eldevice. It usually contains materials which are toxic;aterials will bxic waste when disposed of. When a new compuurchasedlaces, laws require thawaste management must also be paid for. Talled product stewardship.Iuld computers aled (melted down) to get gold andals. This is dangerous, becaudure releaxic wawater and soil.The word droid, a robar Wars univderivedaningle maintain thalogically, the word android meabling a male human and that a robbling a woman should logically be called a gynoid for sexist language to be avoided; howevwordly used.Unlbot (a mechanical being) and cyborg (a being thatis partly organic and partly mechanical), the word android has been used in literature anddia to dveral dds of man-made, autonomous creations:a robot that closely resembles a humana cyborg that closely resembles a humanan artificially createdarily organic, being that closely resembles a humanAlthougally humalogdealworking robascinadeveloping robots that caan be foundallassimilaw: simulacra (devices that exhibit likeness) and automata (devices that have independence).Tandroid waused by the French author Mathias Villiers de l'Isle-Adam (1838-1889)work Tomorrow’s Eve, featuring a man-made human-like robot named Hadaly. As said b“In this age of Realien advawho knows what gdblanical dolls.”Part Tw Teaching Resources (第二部分：教学资源): A text structure analWHO AM I?I. Type of writing and summary of WHO AM I?Type of writingThis is aarrative writing.Main ideaassageBeginning as just a calculating ma2 in France. Then I was built as an Analytical Ma22, which was a technological revolution. I became a “universal machine”lve any mathematical problem. I was not very big aI became huga large room before I was made smaller and smaller.Getting new tra0s I became clever and quicker. I wad wuters and turned out to part of a netwarly 1960s. Then I began talking to humans using BASIarly 1960s. In 1970s I was brougle’and came the I2: Background informautersI. How Do Computers Work?Computer BasicsTo accomplish a task using a computer, you need a combinaardwaware, and input.Hardwadevices, lulboarduse and speakers. Inside your compuabardware, includingboard, where you would find the magat make ualg unit (CPU). The hardwaandvware, andaalculations.Softwaame givgrams that you installuaactivities. Tatingware, such as the Appla MaWindowWindowa PC. Talso applicaware, lgames we plals we uldo mathproblu providut. When you type a command or click on au are tellinguter what to do. That is called input. How They Work TogetherFu provide input when you tuuter. Tware tells the CPU to start up certain programs and to tuardware devat they are readuu. This wholalled booting up.The nexappens when youa program you want to use. You cla command to stagram. Let’s uxample of an Ibrowgram has startedadur instruuan address (called a URL, which stands for Uniform Resource Locator), or click on an address you’ve saved already. Iauter now knows what you wado. The browwagoes oud that addarting uardware devices, such as a modem, wdIabldaddbrowser willll your compudaweb page ovwable to your computer. Eventually, youwebu were looking for.If you decide you waage, you clAgain, you have provided input to telluter what to do. The browware dwu have aattached to your computer, and wurned on. It may remind you to tudation about the web pagur computer ovablwd out.II. TelevisionOld portable televisionA television (also TV or telly) is a device (tool) with aat receives broadcast signals and tuures and sound. The word “television”words tele (Gar away) and vision (seeing).Usually a TV looks like a box. Older TVs had large wooden frames and saloor like furniture. Newer TVs became smalluldlvven portable so you could take it with you wherever you went. The smallest TVs caur hand. The largest TVs can take up a whole wall in your house, and malbe just a large flaat can be mountedwall. Many TVs are now made in widape like movie theaather than oldquare TVs.A television has an antenna (or aerial)as a cable. This ggnalaable provider. TVs can also show movDVD plaVCRs. TVs can bduters and gales, usually through a kindalled “SCART”.III. Web or World Wide WebThe World Wide WebaIat contains web sites and web pages.Iused to describe WebPages that are used offline wvices are not availabluter network exists - such asWikipedia on CD. Iaal physical site exan the place wuBlog and Wiki capabilities will also not be available becauquire a communication wuters.IV. RadioRadio is a communicavThough originally usedunicate between two peoplw used to lusic, news, and people talking. Radio shows wdTV programs.V. DVDDVDly stands for “digital versatile disk”. It can play video thaa higher quality than a VHS tape. VI. Two kinds of DVDThey can also hold 4.7 GBation ad00 MB that a CD can hold. A plus of using a DVD for a vidabilave interactive menus and bonus features such as deletedandaries.VII. EmailEmail (elail) is a message, usually texIuser to aail is quan snail mail(mail) when sending over long distances and is usuallTo sendve an email, a computer with a modem and telephone ldIand an email program are required. Email addresses are generally formated l: login@server.(g or </st1:country-reg)anies letyou send and receive emaila website. Gmail, Hotmail and Yahoo! dVIII. HumanHere are two humans.A maleft and a womaght. A human or human being is alike you. A male human is a man, a female human is a woman. If you think about all humawhole world, they are called humanity. In the pale have also used man and mankind to mean all humans.Humans are called Homo sapiens bHumans are an animalat belonggroup called primaare primabualle are gorillas and chimpaat chimpanzees and humans caaaby what is called evoluanimals evlike humans than chimpalived too, but they are now extinct. Human rights ags that everyone deserves and the wauld be treated bl: Words and exUuan area of grassland wwhich all people ause or alandational use in an urban area (常用于专有名词中): Every Saturday Jean went ridingvillagHarlowvery beautiful in winter.哈洛公园在冬天时风景很美。

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.。

高中英语 Unit 3 Computers教案(2) 新人教版必修2

Unit3 Computers Book2Period 1 Words and expressions Liu Juan I .Content :New words and expressions in Unit 3II .Teaching aims:Master the new words and expressions.III.Main points:1.Pronounce the words and phrases correctly2.Try to remember the spelling and Chinese meaningIV .Difficult pointsUse the words freelyV .Teaching stepsSTEP1. Pronunciation correctingRead after the teacher or the tape twice. Then the teacher asks the students to read words by themselves.STEP2. Skills in memorizing the new wordsThe teacher analyses the structure and usage of the new words briefly.STEP3. Consolidation of the words and expressions★单词翻译1.____________ vt.计算2. ____________ n.计算器3. ____________n.笔记本4. ____________a.简单的5. ____________n.工艺；技术6. ____________a.科技的7. ____________n.革命 8. ____________a.宇宙的 9. ____________a.数学的10. ____________a.人造的11. ____________n.智力；智能12. ____________ad.完全地13. ____________n.网络 14. ____________ad.真实地 15. ____________n.种族16. ____________n.诞生 17. ____________n.优势；优点 18. ____________n.缺点19. ____________v.打字 20. ____________vi.不同意 21. ____________n.选择22. ____________n.原料 23. ____________ad.亲自地 24. ____________vt.创造25. ____________n.教练 26. ____________n.步骤；动作27. ____________vi.出现28. ____________n.脑 29. ____________n.拖把 30. ____________vi.徘徊★词组1.___________________共有；共用2. ___________________依……看来3. ___________________走过；过去4. ___________________处理；安排；对付5. ___________________在某种程度上6. ___________________弥补；整理7. ___________________毕竟 8. ___________________在……的帮助下9. ___________________看守；监视★ 单词拼写1. Credit cards have brought about a ________(革命) in people’s spending habits2. I’m sorry to say that I ______ (彻底地)forget about it.3. Look before leap. Don’t be ____________(头脑简单的).4. With the development of _________(技术), more practical machines have been invented.5. In basketball matches, American players have an obvious_________(优势) in height.6. P________ speaking, I’m in favor of the plan.7. In c______ with many others, she applied for a training place.8. I don’t like a________ flowers, which cannot purify(净化)the air.9. A n_______ computer is easy to carry.1o.He’s very clever. He’s got quite high i____________ quality.★选词填空2. Don't take it seriously. The story is only ________.3. I couldn't get through the gate because your car was ________.4. The change was an improvement ___________.5. I'll buy a house which modern, comfortable and _____ in a quiet place.6. The old man is ______ in health.7. Peter works well.______ he likes to help others.8. His brother __________ in the army for two years.9. You shouldn't have talked about the boy's ___________ affairs.10.Do you mind waiting a few more minutes for the photos? They ______. ing words and expressions (Ss book P20)STEP5. Homework1. Learn all the words and expressions by heart.2. Preview the text and finish discovering useful words and expressions.Blackboard Design:Period 2 TextLiu JuanI .ContentText: Who am I?II .Teaching aims:1. understanding the general meaning of the new text to train the reading ability of thestudents2. 德育目标：了解计算机的发展历程。

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。

高中英语必修二人教版：Unit+3+Computers+教案4.doc

Unit 3 Computers一、整体设计思路本节课的教学设计是基于人教版New Senior English For China Student’sBook 2Unit 3 Computers Using language (Workbook) 的Listening and Speaking 部分。

授课内容是关于电脑和机器人话题的听说课，融合听说读写等综合运用语言的能力，重点突出听说能力。

在教学过程中，有目的有重点训练学生的语言应用能力，对多项语言技能的训练进行适当的整合，使其相互渗透促进。

听说读写四项技能中，读和听是输入，说和写是输出，将语言输入和语言输出有效地联系起来，从而更好地培养学生运用英语进行交际的能力。

二、教材内容分析本节课的话题是computers 和 robot，是与学生的日常生活息息相关的话题。

这一单元的话题是围绕电脑的发展以及机器人的相关知识开展的。

其中本单元中的语言运用（Using language）部分涵盖了听说读写等四项技能的运用，但因课堂时间较为有限，不能面面俱到，因此本节课的重点在于听和说这两方面。

听的部分是通过强调听力技巧，通过“听前”“听中”“听后”让学生提高听力效率，了解三则广告中三种不同机器人的信息。

说的部分是在一定的情境下，通过学生小组合作编对话的形式为自己的家庭选择一款适合的机器人并表明原因。

三、学生情况分析作为高一的学生，对电脑和机器人方面的知识应该已经有所了解和熟悉，也具备些相关的词汇和表达，而且这个话题也是学生所较感兴趣的话题之一。

但是，很多同学对于听说是存在畏惧感的，特别是高考对于英语综合能力的考察日益增强。

语音是否准确，语速是否流畅，是否能听懂信息进行问答，能否及时记录关键信息点进行语言输出等等这些情况都是我们老师在听说课活动中要考虑到的实际问题。

同时，还有些学生缺乏自信，不愿开口，担心出错等等，那么教师所设计的活动要求就要由浅入深，层层递进，逐步培养和提高学生运用英语进行表达的言语能力。

人教版必修2 Unit3 Computers单词优秀教案新人教版必修2

Part One :words and exoressionsGoals；1）The students can read the words fluently.2) Learn the bold words by heart and learn to use them freely.1.solve [sɔlv] vt. 解决；解答solution n.解决办法；答案Eg.1)Who can solve this problem?2)How to solve this problem?2. from...on 从……时起（短语）from now on从现在起; from then on从那时起；from here on此后；从这里开始Eg.1)From now on,you can work on your own.从现在开始你可以独立了.2)She never spoke to him again from that day on.翻译：1).他从那时起就知道自己会得胜.------------------------------------------------------2).我们从现在起就应该努力学习.-------------------------------------------------------3.as a result 结果该短语单独使用，后不接宾语，可以位于句首或句中.Eg.It was froggy;as a result, the flight was delayed.(短语归纳)as a result of 作为…….地结果；result from起因；由来（句子地主语为果）；result in 导致（句子地主语为因）Eg. 1)The flight was delayedfog.2)Hard work success.3)Success hard work.4.so…that…如此……以至于……类似地短语还有such…that…so+形容词（副词）+that…/ such+名词+that…Eg.She is so clever that we like her very much.She is such a clever girl that we like her very much.so+many(few,much,little)+名词+that …so+形容词+a(n)+可数名词+that…（练习）1).我有如此少地钱以至于不能买任何东西.（翻译）2).Tom is ____________boy that he never tells a lie.Tom is____________boy that he never tells a lie.(Tom很诚实从来不说谎.)5.explore[ik'splɔ:]vt. vi 探测；探索；探究exploration .nEg.They explored the bottom of the sea.We explored several solutions to the problem.我们探讨了几种解决该问题地方法.6.anyhow['enihau] adv. （也作anyway）无论如何；不管怎样;即使如此1)Anyhow, we should finish the work today.无论如何，我今天必须完成这项工作.2)_________, I wish all of you happiness this Christmas.不管怎样，我祝你们大家圣诞快乐.7.goal [ɡəul] n. 目标；目地;球门;得分数；终点learning goals for vocabularyWho is keeping goal for Arsena?(谁给阿森纳队守球门？)kick a goal【足球】踢进一球；踢得一分8．human race 人类注意：human being和hunman和human race地区别human=human being指男人，女人或孩子；人e.g. Even she makes mistakes occasionally- she is only human.即便是她偶而也会犯些错误，她也是人哪.SixE2。

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 sendand 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.II. 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 likel y to plug into the computer network nation growing in our midst. Computer terminals, or small computers connected via modem (a modulator/demodulator circuit for encoding/decoding computer chatter) to ordinary telephone lines, should be as ubiquitous as the telephone itself. They’re a much more useful and humane tool than the phone, and with corporate America behind them the networks will be everywhere----changing our lives more than any technology since the automobile.Joining a computer network is the same as joining a community. Small systems are like villages, where new members are formally welcomed. The larger networks, the Source and CompuServe, for example, are cities-anonymous, full of life and events, but difficult to fit into.III. Reading1. Listening and reading to the recording of the text WHO AM I?Turn to page 18 and listen and read to the recording of the text. Pay attention to the pauses, pronunciation and intonation of the native reader.2. Reading aloud and underlining expressionsNow we are to read the text once again and underline all theexpressions in the text. Put them down into your notebook afterclass as homework.Collocations from WHO AM I?begin as…, a calculating machine, be built as…, follow instructionsfrom…, sound simp le, at the time, a technological revolution, writea book, make…work, solve problems, become huge, had artificial intelligence, go back to…, the size of…, go by, change size, become small and thin, get quick, stand there by oneself, be connected by…, share information by…, talk to…, bring…into…, deal with…, communicate with…, serve the human race3. Reading, identifying and settlingAttention, please! It is time to skim the text one more time and identify the difficult sentences. Try analyzing the structures of the difficult sentences and discuss them among your group members. You may also put your questions to me for help.Chat （online）（在线）聊天To chat is to talk about ordinary things that are not very important. You can chat to one person or to many people. People also use this word now for parts of the Internet where we can talk with many different people at the same time. Usually, you chat on the internet in a chat 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.PresentThe TOEFL exam is being given every year.ContinuousPresent perfect The TOEFL exam has been given every year since 1950.Past perfect The TOEFL exam had been given before the Vietnam Waroccurred.Simple Modal The TOEFL exam should be given to every Foreign student.The TOEFL exam should have been given to all to enter USPast Modalcolleges.2. The Present Perfect Passive VoiceThe structure of The Present Perfect Passive Voice is: have/ has ＋ been＋~ed IV. 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 differentkinds 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 Androidp art 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 computer language, have a good shot for a goal, get second place, win the first place, have a new kind of program, improve one’s intelligence, create a better system, play against a human team, in a way, program…with…, make up…, after all, with the help of…V. Writing a letterSuppose you are an android. What would say to a spoiled child who would not do his homework? Write a letter to the boy.AndroidAn android is an artificially created being that resembles a humanbeing. The word derives from Greek Andr- ‘man, human’ and thesuffix -eides used to mean ‘of the species, kind, alike’ (fromeidos ‘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 human Although 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 E ve, featuring a man-made human-like robot named Hadaly. As said by the officer in the story, “In this age of Realien advancement, who knows what goes on in the mind of those responsible for these mechanical dolls.”Part Two: Teaching Resources (第二部分：教学资源)Section 1: A text structure analysis of WHO AM I?I. Type of writing and summary of WHO AM I?Type of writing This is a piece of narrative writing.Main idea of the passage Beginning as just a calculating machine in 1642 inFrance, the computer has been experiencingimprovement again and over again over 300years ormore, which has not only made it more beautiful andintelligent but also changed man’s life a greatdeal!Topic sentence of 1stparagraphI began as a calculating machine in 1642 in France.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 mac hine.” 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. ThenI was built as an Analytical Machine in 1822, which was atechnological revolution. I became a “universal machine” in 1936to solve any mathematical problem. I was not very big at first thenI 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 intopeople’s homes, and came the Internet.Section 2: Background information computersI. How Do Computers Work?Computer BasicsTo accomplish a task using a computer, you need a combination of hardware, software, and input.Hardware consists of devices, like the computer itself, the monitor, keyboard, printer, mouse and speakers.Inside your computer thereare more bits of hardware,including the motherboard,where you would find the mainprocessing chips that make upthe central processing unit(CPU). The hardwareprocesses the commands itreceives from the 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 operating system software,such as the Apple OS for a Macintosh, or Windows 95 or Windows98 for a PC. There is also application software, like the gameswe 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 programs and to turn on somehardware devices so that they are ready for more input fromyou. This whole process is called booting up.The next step happens when you choose a program you want to use. You click on the icon or enter a command to start the program. Let’s 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 on the printer icon. Again, youhave provided input to tell the computer what to do. Thebrowser software determines whether you have a printerattached to your computer, and whether it is turned on. Itmay 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 broad cast signals and turns them into pictures and sound. The word “television” comes from the words tele (Greek for far away) and vision (seeing).Usually a TV looks like a box. Older TVs had large wooden framesand sat on the floor like furniture. Newer TVs became smaller sothey could fit on shelves, or even portable so you could take itwith you wherever you went. The smallest TVs can fit in your hand.The largest TVs can take up a whole wall in your house, and maysit 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 thanold, 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 tocommunicate between two people, it is now used to listen to music,news, and people talking. Radio shows were the predecessor to TVprograms.V. DVDDVD most commonly stands for “digital versatile disk”. It canplay video that is of a higher quality than a VHS tape.VI. Two kinds of DVDThey can also hold 4.7 GB of information as opposed to the 700 MB that a CD can hold.A plus of using a DVD for a video is the ability to have interactive menus and bonus features such as deleted scenes and commentaries.VII. EmailEmail (electronic mail) is a message, usually text, sent from one Internet user to another. Email is quicker than snail mail(mail) when sendingover long distances and is usually free. To send or receivean email, a computer with a modem and telephone line connectedto the Internet, and an email 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 Unit 3 Computers教案新人教版必修2-新人教版高一必修2英语教案

Unit 3 puters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 puters .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 puters .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.写出以下单词的变化形式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 bee anassistant in our pany 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、翻译以下必背短语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。