人教版高中英语必修2教案Unit3Computer

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1、人教版高中英语必修 2 教案 Unit 3ComputerUuterPart 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 compute

2、r?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

3、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 r

4、equire 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 soiluters become obsolete quickly. Vare given away and newlawithin twars. This mablem wuling is thuad working compudeve

5、loping naan be re-used and will not become waste as quickluter jargon 计算机行话 Computer jargon means words to do wuters and surroundingwing whawords meancan help you know more about compule uwordle (Also known as buzzwords). Examples of jargon:Bit - The smallest data unit, cabe a“0. ” or aByte - unit o

6、f data. See also Kilobyte, Megabyte,Gigabyte and NibbleCPU Central Pg Unit, AaData - Informad on a computerDisk - A pladata.Email - Elail.GHz - Gigahertz. Usedly to describd of aBut w2.4 GHaster than 3.6 GHlear thaust a salesmaLoad - Get data from a diskNibble - Half a ByteSave - Put data on a diskR

7、AM - random-a（随机存取存储器）bUSB - UniversalSerial 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, paIII. Pre-reading1. Qug and answering‑‑‑What do you know about computer?Elachine capablg calculations andanipulavarioudata, undl of a storeduThe malardware;uctions agraware. Depending

8、uuters are called mainfrauters, anduulude desk-top and portablal computers.A multi -fuldevice that can execuua task.A device that aaand supplies an output. A computer usually contaa control unit, aand logical units, and a meaut and output.a programmable hardwaalled bally stored programs and that cau

9、bstantial computations (including aand logic operations) without human intervA compuallg uunits, and associatedal input and output devices. Related to automation and eldatag. The Libragly clauter-related bHF5548, QA75-76, Z52, T385, and some TK ranges.a mag calculations automatically calculator: an

10、expert at calculation (or at operating calculating machines)A computer is a devaaking calculalling operaat are expressible in numerical or logicaluters auctedale well-defined fuThe complex interadow computers wabilation. Ily configured (usually by, programming) a computer can be madaa problem or par

11、t of aIf a compuguredway is give2. Discussing and sharing‑‑‑How have computers changed our lives?Somedauhavent already, youre likely to pluguternetwork nation growing in our midualall compud via modem(a modulator/demodulauding/decoding computer chatter) to ordinary telephone luld b

12、e as ubiquitous allf.Theyre a muuseful and humanetool thaand watebehindworks will be everywherechanging ourlivan alogautomobilg a computer netwame ag a commuallare like villages, where new members are formally welcomed. The larger netwurce and CompuServxample, a-anonymous, full of life and events, b

13、ut difficulIII. Reading1. Listening and readingdingxt WHO AM I? Turn to page 18 and listen and readdingxt. Pay aauunciation and intonaative reader.2. Reading aloud and underlining exNow we aad the text once again and underline all the exxt. Put them dowur notebook after class as homewllocaWHO AM I?b

14、egin as ,a calculating machine, be built as,follow instru ，sound simple, aa technological revolution, write a book, makework, solve problems, become huge, had artificial intelligence, go back to , go by, changball and thin, get quick, stand there by oneself, bd by,shaation by,talk to , bring into ,d

15、eal with ,communicate with , serve the human race3. /st1:dg and settlingAlease! Ixand iddifficulTry analyzinguctudifficuland discuamong your group members. You may also put your qulp.Chat (online )(在线)聊天To chaalk about ordinary things that are not vant.You can chaany people. People also uword now fo

16、r paIwhere we can talk with many dle at the saUsually, you chaa chaaging service like AOL(American On-Line) Instager (AIM), YagN Messeng and trag Scaxalable below, describing the develuter.In 1642In 1822IIn 1960sIn 1970sIV. Closing down by doingding exTurn to page 18 and in pairs dding exNo. 1 and 2

17、.Period 2: A sample lesson plan for Learning about Language(The Present Perfect Passive Voice)AimsTo learn to useThe Present Perfect Passive Voice To discover useful words and exTo discover useful structuresProceduresI. Warming up by readingapeTo begin with, turn to page 18, listening to and reading

18、dingxt WHO AM I? Agauses and intonation, as well aunciaader.II. Discovering useful words and exIn pairs do the ex2 and 3 on pages 19 and 20. You mu0 minutes.III. Learning about grammar1. Passive Voice OverviewTdelPassivle PThe TOEFL exam is given every sixle past The TOEFL exam was given lale Future

19、The TOEFL exaar will be givbPuous The TOEFL exam is being given every year. PThe TOEFL exam has been given every yea0. PaThe TOEFL exam had been given bVietnam War occurredle ModalThe TOEFL exam should be given to every Foreignstudent.Past ModalThe TOEFL exam should have been given to allUS colleges

20、.2. The Present Perfect Passive VoiceThe structure of The Present Perfect Passive Voiceis: have/ has been edIV. Reading aloud and discoveringNow go back to pagad aloud and discovxt examples of The Present Perfect Passive VAars have gone by, I have been madesmaller and smallamily and I have been used

21、 by billle to deal wation with eaaround the world by the IV. Discovering useful structureWe shall do grammar ex2 and 3 on page 20.VI. Closing down by doing a quaassive vxample: The house was build in 1880. (The house was buil0.)1. 3000 employees were laying off.2. A story will made up.3. An idea was

22、 putted forward for discuHas the book been give bau yet?bank loan will be payedve yeaNothing can be hold agaur allies will be lend suas never heardwas being knocked down by a bus.10. She was letted off with aThe candle was blow out by the draught.12. Tal were locked uThe flood water was be kept back

23、 by baTvwill made up for bTust have been being left behind.16. The old cinema is being pull dowTbeing held back blThe road was blockingTle were laid off last week.20. Your jacket can be hanged up ovPeriod 3: A sample lesson plan for Using Language(ANDY THE ANDROID)AimsTo discuss about ITTo write aab

24、out ITTo read about androids or robotsProceduresI. Warming up by talking about ITWhat is Informalogy?Informalogy (IT)ation and communicalogy (ICT)logy requiredag. In particular the use of eluters and compuwavansmit, and retrievaanywhere, aII.Listening and writingTurn to page 21. Look aures and la co

25、nversation about ddalogy or IT, discuss and write down in groups the advantages and disadvantages of each kind.III. Speaking and writingSuu and your partner are going to heluur school. Now talk aboual things eauter can do and write aur headmaster.IV. Reading, underlining and speakingIt is said that

26、computers could be put into androids or robots. Read the text Andy The Android,underlining all the exandun you could have!ExAndy The Androidpart of a football teaa year, get toglay a footballgame, be asas,in fat, look like ball team, run falike a human, shout to uter language, have a gooda goal, gd

27、place, wlace, have a new kind of prograve ones intelligate a blay against a human team, in a way, program with , make up , after all, wlp ofV. Writing a luu are an android. What would say to a spoiled child who would not dwork? Write a lboy. AndroidAn android is an artificially created being thatres

28、embles a human being. The word derivGreek Andr- man, human and the suffix - eides used to meand, alike (from eidos species ) .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

29、for sexist language to be avoided; howevwordly used.Unlbot (a mechanical being) and cyborg (a being that is 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 human a cyborg that

30、 closely resembles a human an artificially createdarily organic, being that closely resembles a human Althougally humalogdealworking robascinadeveloping robots that caan be foundallassimilaw: simulacra (devices that exhibit likeness) and automata (devices that have independence).Tandroid waused by t

31、he French author Mathias Villiers de lIsle-Adam (1838- 1889)work TomorrowsEve, featuring a man-made human-like robot named Hadaly. As said b “In this age of Realien advawho knows what gdblanical dolls. ” 找教案 http:/zhaojiaoaPart Tw Teaching Resources （ 第二部 分：教学资源 ）: A text structure analWHO AM I?I. T

32、ype of writing and summary of WHO AM I?Type of writingThis is aarrative writing.Main ideaassageBeginning as just a calculating ma/st1:country-reguter has been exg improvement again and over again over 300yeawhich haly madbeautiful and intelligent but also changed mans life a great deal!TaragraphI be

33、gan as a calculating ma France an Analytical Ma22 a “ universal machine. a large room made smaller and smaller getting new tra0s clever and quicker a netwarly 1960s talking to humans using BASIarly 1960s brougle 0s IIII. A retold vxt WHO AM I?Iuter, was a calculating ma. Then I was built as anAnalyt

34、ical Ma22, which was a technological revolution.I became a “universal machine”lve anymathematical problem. I was not very big aI became huga large room before I was madesmaller and smaller. Getting new tra0s I became clever and quicker. I wad wuters and turned out to part of a netwarly 1960s.Then I

35、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, incl

36、udingboard, where you would find the magat make ualg unit (CPU). The hardwaandvware, andaalculawaame givgrams that you installuaactivities. Tatingware, such as the Appla MaWindowWindowa PC. Talso applicaware, lgames we plals we uldo math problu providut. When you type a command or click on au are te

37、llinguter 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 uxa

38、mple of an Ibrowgram has startedadur instruuan address (called a URL, which stands for Uniform Resource Locator), or click on an address youve saved already. Iauter now knows what you wado. The browwagoes oud that addarting uardware devices, such as a modem, wdIabldaddbrowser willll your compudaweb

39、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. Televl

40、d portable televisionA television (also TV or telly) is a device (tool) with aat receives broadcast signals and tuures andsound. 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 becam

41、e 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 an

42、tenna (or aerial)as a cable.This ggnalaable provider. TVs can also show movDVD plaVCRs. TVs can bduters and gales, usually through a kindalled “ SCAR”T .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

43、availabluter network exists - such as Wikipedia 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. R

44、adio shows wdTV programs. V. DVD DVDly 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 MBthat a CD can hold. A plus of using a DVD for a vidabilave interactive menus and bonus features such as delete

45、dandaries. 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: loginserver.(g or

46、 /st1:country-reg)anies let you 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.

47、 In thepale have also used manand mankind to meanall 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

48、. 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。 2: in sharedu: unusual adassociated

49、wgreat male: Tldays suffered greatly.2. to be expected; standard:dared by twarties:dal dquality; widely knowly encountered; average or ordinary or usual:an. 5. belongingarticipated in by a community as a whole; public:goodly encountered: a(or familiar) complabeing or charaappropriate to everyday lan

50、guage:arlalackingultivaaste: behavior that branded him alowquality or value: producedloths used bulalany herbaceous plant having medicinal2. alacking intelligadlaborale; unornamented: a simple coulhouse. 2. (botany) of leaf shapes; of leaves having no divubdivaving few parts;lexlicated or involved:

51、a simple problasy and not involvedlicated: a simple game.) 5. lacking mental capacity and devoid of subtlxhibiting childllicity and credulity: simple coulogactical applicadustry 2. the discipline dealing waapplyingwledge to practical problems universalupling thawo rotating shafts allowing freedvall

52、d: Ivehicles a universal joint allows the drive shave up and down as the vehicle passes over bumps.) adj. of worldwidapplicability: universal exathematicaladatistically possible though highly improbable: have a mathematical chaaking the playoffs. 2. beyond question: a mathematical certaainingature o

53、f mathematics: a mathematical textbaracterized by the exaathematics: mathematicallatingaving abilwork with numbers: a mathematical whiz.artificialadved by art rather than nature: artificial flowers. 2. not arising from natural growaracterized byvitalartificially formal: Her husband hated the artific

54、ial humility .disagreev. 1. be danother 2. be of d: She disagrees wusband on many qudisadvantagqualaving aless favorablv. put at a disadvantage; hinder, harm: This rule clearly disadvantagag or selecting: Youlors was unfortunate.) 2a numbgs from which only one can b: My onluse.aduperior grade:wines.

55、 2. appealingd taste:wine. materialgs needed for doing or makingg: writing materials. 2ation (data or ideas or observations) that can be used or reworked into ad form: The archives provided rich material for a definitive biography.) 3. audged suitable for adloyment: He was univaterialangible substan

56、ce that gakeup of a physical object: Coal is a hard black material. 5.artifact made by weaving or feltinggg naturalbers: She measuredugh material for a dadj. 1. directly relevant to a maally a law case: His support made a material d2d with or affecting physical as dllectuallogical well-being: materi

57、al needd withworldly rather thaual: materialderivedd of matter:The material univaving substaapable of being treated as fact; not imaginary maaananimal (especially a sexual partner): He loved the mare and all her mates. 2. a fellow member of a team: It waart agaammaatev. 1. invest with a new titlank:

58、 Create one a peer.2. create by aans: Create abring into existence: The company was created 25 years ago. 4. make or cause to bbecome: create a fuvact of deciding to dg: He didn t make a move to help. 2. the aanging your residlace of business: They say thaves equalaanging localace to another: The mo

59、vlaa changat dail a change of location: Mova sign of life. v. 1. dby selling:The chairmaany told the salvuters. 2. live oneslife in ad env: She movain circles only. 3. gdanother: The debate moved from family valuarouse sympaa: Her fate moved us all. 5. move so as to changa nontranslational motion: H

60、e moved his hand slightlgauve, both in aand in an abstra:Movboxleaange residence, affilialaloyment: Wemoved from Idaho to Nebraskaan awork ou(an action): Wemust move quicklange location; move, traveld: The soldiers moved towardan aake it bght fell. 10. give ave for action: This movedaareer.braaal ne

61、rvouat includes all the higher nervou; enclosed wull; continuous wal cord 2. mental ability: Hes got plbrains bulag and taking b2. the alinggby causing damage to it: Her spoiling my dress was deliberate.3. (usually plural) valuables taken by violence (especially in war): To the victor belonglv.1. be

62、comeuuuse: The meat must be eaten bls. 2. have a strong durge to dg: Hling for a figleaning implg of absorbent material fastened to a handle; for cleaning floors v.1. make a sad face and thrust out ones lower lip: Mop and mow.) 2. to wash or wipe with or as if with a mop:allway now.wanderv. 1. go vi

63、a an indute or aace: After dinner, we wanderedwn. 2. move about aimlessly or without any destinaad or employment: The wandering Jew. 3. lose claurn asidallain subaurse of arguwritinggaking: Her mind wandbe sexually unfaithful to ones paarriage: Migusband be wandering?ve or cauve in a sinuous, spiralular course:gout wandugbod