Unit3 Computers全单元教案Word格式文档下载.docx

Unit3 Computers全单元教案Word格式文档下载.docx

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Asweknow,scienceandtechnologyisdevelopingveryfastandcomputershavebecomesmallerandsmaller.Theyhavebeenusedinmanyfields.So,the21stcenturyisthecenturyofinformationtechnologyWhatdoesitmean?

Doesinformationtechnology/ITonlymeanthingslikecomputers?

Ofcausenot.Actually,itmeansmorethancomputers.ComputersarejustonekindofIT.WhatelsedoyouknowispartofIT?

（TV,radio,CD-ROM,DVD,books……）

Step3.Listening（SB）

1. 

Pre-listening:

WhatarethechangesbroughtbydifferentformsofIT?

Whataretheadvantagesanddisadvantagesofthem?

2.While-listening:

Gothroughthechartandmakesurethestudentslookatthechartbeforetheylistentothetape.（Thisistosharpentheirattentionandlistenfortheanswers.Thiswillalsohelpthemgetthegistofthetext.）ThenListentothetapeandfinishfillinginthechart.（Ifnecessary,playthetapeforseveraltimes.）

Say:

Afterlisteningtotheirtalk,weknowallkindsofIThavebothdisadvantagesandadvantages．Let’schecktheanswerstogether.

TypeofIT

Advantages

Disadvantages

TV

Youcanbothlistenandwatch．

Youcannotwritetofriends．

Web

Youcanfindinformation．

Itisveryexpensive．

Radio

YoucanlistentoEnglish．

Youcannotwatchafilm．

Book

Youcangetinformation．

Sometimesitisoutofdate．

3.Post-listening:

1）（pairwork）:

decidewhichtypeofITisbestforyoutouserightnow.Makeyourchoiceandgiveyourreasonsbyusingthefollowingexpression_r_rs.

Ithinkthat….

Inmyopinion,….

Ibelievethat….

Iagreebecause….

Idisagreebecause….

I’vedecidedthat….

2）（groupwork）:

Discussion:

Computersareusefulandhavebroughtuslotsofgoodthings,buttheyalsocausebadeffects.Whatattitudeshouldwehavetowardsthecomputer?

（Makegooduseofitbutnevergettrappedbyit.）

Step4.Speaking

1.Pre-speaking

Fromwhatwehavelearn,weshouldadmitthatcomputersandthewebhaveagreatinfluenceontheschooleducationaswellaspeople’slife.Ithascomeintopeople’severydaylifeandmanyfamiliesholdcomputersintheirhomes.Nowthereisataskforyou.

2.While-speaking

1）Situation:

Youhavebeenaskedbyyourparentstohelpchoosecomputersforyourhome.Youandyourfriendhavelookedatseveralcomputers.Talkaboutthespecialthingseachcomputercando.Makeadecisionaboutwhichkindofcomputertobuyandexplainwhy.

Informationinput:

Showstudentssomepicturesofdifferentcomputers（desktopcomputer&

laptopcomputer&

…）

Languageinput:

Usefulexpression_r_rs（Repeatittostrengthenstudents’abilityofuseit.）

Supportinganopinion

Challenginganopinion

Ithinkthat…,because…

Perhaps,butwhatif/about…?

First,…

Haveyouthoughtabout…?

Onereasonisthat…

Whatmakesyouthinkthat…?

Ithinkitisbetterbecause…

Idon’tlikeitbecause….

（Pairwork）Usetheexpression_r_rstosupportyouropinionorchallengingother’sopinions.

2）Oralreport:

（individualwork）

Doanoralreporttoyourfatherandstartyourreportlikethis:

Ilookedatmanydifferentcomputers.TheoneIhavechosenisthePEPpersonalcomputer.Oneofthemainreasonsisthatitissuitableforhomes.Ifoundthat…

3.Post-speaking

Conclusion—Whatusefulexpression_r_rdoweusetomakeadecisionandreason?

（Inthisway,theycanreviewandusethewordsandphrasesagain.）

Step5.Homework

Page22.writing:

Writeareportaboutyourchoiceandtrytousethepresentperfectpassivevoiceaswellastheusefulwordsandexpression_r_rsthathavebeenmentionedabove.inyourreport.

Period2:

Readingandspeaking&

Writing

Goals:

LearnareadingpassagetolearnaboutafootballandroidcalledAndy.

2. 

Improvestudents’readingability.

3. 

Designanandroid.

4. 

Writeapassageabouttheproblemsthattheandroidmighthavewhilehe/sheisservingpeople.Teachingprocedures:

Step1:

Lead-in

Showthefirstpictureandtellthestudentsthatcomputerscouldbeputintoandroidsorrobots.Present“android”.

Tellthestudents:

Androidsarealwayswithus!

Thestudentsmaydisagree.ShowpicturesofAtomandDoraemon.Say:

theyareandroidswithmagicalpower.

Continuetoshowpicturesofnurserymaidandroidsandtellthestudentsandroidscanbemadetolookafterhumans.Thenask:

Butcanyouimagineandroidscanplayfootball?

Maybeyouarecuriousaboutit.Iwillshowyouavideothatandroidsplayfootball.

Letthestudentswatchthevideoandtellthem:

odayIwouldliketointroduceanandroidfamilymembertoyou.HisnameisAndy.Presentthereadingpassage’stopic:

Andy---theAndroid.

Step2:

Reading:

Letthestudentsreadthepassage.Carryoutthetasksbelow:

Task1:

Answerthequestionsbelow:

1.WhoisAndy?

Whatishegoodat?

（Heisanandroid.Andheisgoodatplayingfootball）

2.Whathelpshimtomoveandthinklikeahuman?

（Hiscomputerhelpshimtomoveandthinklikeahuman.）

3.WhatdoesAndythinkabouttheteamwhobeatthemlastyear?

Why?

（Shethinkstheteamcheatedbecausetheyhadanewkindofprogrammer,whichhadjustbeendevelopedbeforethecompetition.）

4.WhatdoestheprogrammerdotoAndy?

（Sheprogramsmewithallthepossiblemovesshehasseenwhilewatchinghumangames.）

Task2:

Fillintheblanks

Thestoryisaboutthe_____called____,whoisgoodat____________.Andhis__________makeshimthinkandmovelikea______.However,they_____inthe_________hostedintheUSA,becausetheotherteamhadanewkindof_______.Afterthat,hewillaskhisprogrammertoimprovehis_________and_______somenewmoves.

Task3:

Languagepoints:

1.Ithinkwecanworktogethertocreateevenbettersoftware.

even=much 

用于强调比较的程度

2.Inaway,myprogrammerislikemycoach.

inaway 

在某种程度上…

intheway 

挡道,造成障碍

inthisway 

用这种方法

Fillintheblank：

1）.________itwasoneofourbiggestmistakes.

2）.Youcanfinishyourwork 

.

3）.Yourbikeis 

.Moveitaway.

3.Inthisway,Icanmakeupnewmoves.

makeup 

编写，补上

4.Afterall,withthehelpofmycomputerbrainwhichneverforgetsanything,intelligenceiswhatI’mallabout.

afterall 

毕竟

withthehelpofsb./sth. 

在…的帮助之下=withone’s/sth’shelp

Step3Speaking

Tellthestudentsthatwealreadyhavemanydifferentkindsofandroidsinourdailylife.Show 

somepicturesofandroidsfordifferentpurposes---maid,adventureandwork.

Thensaytothestudents:

Let’sdesignanandroidofourown!

Thefollowingquestionsandexpression_r_rscanhelpyou:

＊Whatwouldyoulikeittolooklike?

＊Whataresomeofthethingsyouwouldlikeittodo?

＊Doyouwantittobelikeamanorawoman,orneither?

＊Howmuchwoulditcost?

......

Getthestudentstousethefollowingsentencesfordiscussion:

Ithinkthat… 

What’syourreason?

Inmyopinion… 

Ihavedecidedthat…

Sample:

A:

Whatwouldyoulikeyourandroidtolooklike?

B:

Inmyopinionitshouldlooklikeabird.

Thatsoundsinteresting.Whatwillitdoforyou?

B:

Ithinkitcansingbeautifulsongsformedayandnight.

A:

Oh,yes!

Thatsoundsgood.Howmuchisit?

Itdoesn’tcostmuchmoneybecauseIwillmakeitbymyself.

Really?

!

Doyouwantittobeamanorwoman,orneither?

IwantittobeabeautifulgirlnamedKelly.

Pleaseshowittoussomeday.

Oh,Nomoneynotalk.

Step4Pre-writing

Imaginewhatproblemsanddelightsthisandroidmighthavetodealwithwhileitisservingyou.Tryyourselfinsomeoneelse’sshoesisanimportantwayofunderstandinghowotherpeoplefeel.

Thendiscuss:

Youareanandroid.Youworkforafamilywithonechildwhoisveryspoiled.Theparentswantyoutodoeverythingforthem.Theparentsarenice,buttheyoftenaskyoutowatchovertheirchild.Howdoyoufeel?

Whatwouldyoudoifthechildaskedyoutodohis/herhomeworkforhim/her?

Wouldyouevertellthechild“no”?

Step5Writing

Writeapassageabouttheresultofyourdiscussion!

Itshouldcontain:

Whatdoyouhavetodo?

Whatisthechildlike?

Whatistheparents’requirementofthechild?

Whatdotheparentswantyoutodo?

Whatdoesthechildwantyoutodo?

Thenwhatwillyoudo?

Howdoyoufeel?

Samplewriting:

Helloeverybody,mynameisLiuYan．Iama321modelandroid．IworkfortheLifamily.MrandMrsLiworkveryhardtoo．MrLiisanarchitectanddesignsgreattallapartmentblocks．MrsLiisadoctorandhastolookaftermanypatients．IrememberalltheplansforMrLi'

sprojectsandcantellMrsLiwhichdrugsarethebesttogiveanyparticularpatient.AndIalsolookaftertheirlibrary.Istoreallthebooksthattheyborrowfromtheirschoolorfriendsinmybrain．Ofcoursemybrainisaslargeasamountain,soworklikethatisnotroubletome．Ireallyeatbooksjustlikepeopleeatfood．

TheLishaveachildwhoisveryspoiled.Heneedsmetorememberall 

hisschooltextbookssotha