8A Chapter 4教学案（英语课程）

...wd......wd......wd...Chapter4ComputertechnologyThe1stperiodTeachingAims:1.Learnaboutcomputer2.Trainthestudents’readingability.3.Mastersomenewwordsaboutcomputer4.Learnhowtofindthemeanings.TeachingImportantPoint:1.Improvethestudents’readingability.2.Enablethestudentsunderstandthetextbetter.3.Developthestudents’creative,comprehensiveandconsolidatingabilities.TeachingDifficultPoint:1.Howtoimprovethestudents’readingability.2.HowmuchdoyouknowaboutcomputertechnologyTeachingMethods:Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:ThemultimediaandtheblackboardTeachingProceduresStep1:warmingupT:asksomestudentstoanswer,whatisthis?Whichkindofelectricmachinedoesteacheruseteachusintheclass?S:Computer.T:whatdoyouknowaboutcomputer?Beforeyoureadaboutcomputers,lookatthepicturesbelowandtrytowritethenamestocompletethesentences.LOOKandTHINK1.Theshowswordsandpictures.2.Weusethefortypingininformation.3.Thestoresinformation.4.Thehelpsuscontrolthecomputer.5.Wecanhearsoundfromthe6.Weputtheorintothe.Step2:pre-readingLet’slearnsometechnicalwordsassociatedwithcomputers:Pc:personalcomputerLaptop:small,portablepersonalcomputerVirus:somethingwhichgetsintoaprogramanddamagesitData:informationFile:acollectionofdatastoredtogetherNetwork:asystemthatlinkstwoormorecomputerstogetherSoftware:programsHardware:themonitor,keyboard,drives,etc.Command:anordertothecomputere-mail:electronicmailmodem:adevicewhichlinksthecomputertothetelephonesystemmultimedia:acombinationofsound,movingpicturesandtextstep3:while-reading1.lookatthetitleofthepassageandthepicturesonthenextpage.Thendiscussthefollowingstatementswithapartnerandcorrectmistakes.Computers…areinsidemanymachinesinourhomes.candounimportantjobslikeflyingplanes.arealreadyclevererthanpeople.2.readingpassage(computers)Thesearethreeshorttextstypicalofinformationleafletsornewspaperormagazinearticles,discussingdifferentaspectsofcomputersinthemodernworld.Allright!Turntopage46.Lookatthepassageandthinkaboutsomequestions:1.WhatdoesTonyplantodoaboutcomputers?2.Whatareprobablythebestcalculatorsintheworldatthemoment?3.IsacomputerclevererthanIam?4.Howdowegiveacomputerinstuctions?5.WhatdoesaCD-ROMcontain?3.fast-readinganswersomequestionsaboutpassage.1.Hiddenhelpers:Theuseofcomputershasspreadveryquickly.Therearesmallcomputersinsideeverydayappliancesinyourhome.2.Whatkindofjobscanacomputerdo?Computersareelectronicbrains.Theycanperformmanyfunctions,calculateandevencontrolrailwaysystems3.IsacomputerclevererthanIam?Atpresent,thehumanbrainissuperiortothecomputer,asithasgreaterunderstanding,butthismaychange.Ifcomputerscandosomeofourjobsbetterthanwecan,howwillourliveschange?::Whatisthemainideaofthethreeshortpassage?Hiddenhelpers:theuseofcomputershasspreadveryquickly.therearesmallcomputersinsideeverydayappliancesinyourhome.Whatkindofjobscanacomputerdo?Computersareelectronicbrains.theycanperformmanyfunctions,calculateandevencontrolrailwaysystems.IsacomputerclevererthanIam?Atpresent,thehumanbrainissuperiortothecomputer,asithasgreaterabilitytounderstand,butthismaychange.ifcomputerslearntodosomeofourjobsbetterthanwecan,howwillourliveschange?4.FindthemeaningsFindthesewordsandexpressionsinthepassage.Thenreadthewordsroundthemandchoosethebestmeanings.hardlyevera.sometimesb.seldomc.often2.dependona.needb.trustc.playwith3.realizea.allowb.understandc.decide4.tinya.allow.B.understandc.decide5.essentiala.verydangerousb.verysafec.verynecessary6.raisea.liftupb.putdownc.bringtoourattention7.forthetimebeinga.inthepastb.atpresentc.inthefuture5.ReadandthinkPeopleoftenexpectyoutogiveexamplestoexplainsomething.Readthestatementsbelowandonpage47andgiveexamples.Putonewordineachblank.1.S1:Computerscandosomeimportantjobs.S2:Forexample?S1:________________,_______________and_______________.2.S1:Theremaybetinycomputersinyourhome.S2:Where,forexample?S1:Insideyour_____,_________or3.S1:Ahumanbraincandosomethingsbetterthanacomputer.S2:Forexample?S1:_________________.4.S1:Infuture,computersmaydosomejobsbetterthanpeople.S2:Whatjob,forexample?S1:A_________________________job6.findthefactsTonymadesomenotesaboutthearticlesonthepage45,butsomeofthefactsinthemarewrong.readthearticlesagainandcorrecthisnoteswherenecessary.hiddenhelperstherearemanybig,hiddencomputersineveryone’shome.Peoplearelessdependentoncomputersthantheyrealize.whatkindofjobscanacomputerdo?computerssometimesgivewronganswersatcalculating.Computerscanteachpeoplemanythingsandalsoplaygameswiththem.isacomputerclevererthanIam?a.computerscannotcreatenewideasforthetimebeing.b.computersarebetteratdoingtheirjobsthandoctors,judgesandteachersatpresent.Step4:after—reading(discussion)Whatdoyoulearnfromthepassage?The2ndperiodTeachingAims:1.Learnaboutcomputer2.Trainthestudents’readingability.3.Mastersomenewwordsaboutcomputer4.Learnhowtofindthemeanings.TeachingImportantPoint:1.Improvethestudents’readingability.2.Enablethestudentstounderstandthetextbetter.3.Developthestudents’creative,comprehensiveandconsolidatingabilities.TeachingDifficultPoint:1.Howtoimprovethestudents’readingability.2.HowmuchdoyouknowaboutcomputerTeachingMethods:Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:ThemultimediaandtheblackboardTeachingProcedures:Step1:reviewnewwordsFindthewordsinColumnAinthepassageandthenreadthewordsroundthem.MatchthemwiththemeaningsinColumnB.1.beunawareofatrackwithrailsonit2.hiddenseniorlawofficers3.typedifficulttoseeorfind4.railwaywritesomethingwithacomputer,typewriter,etc.5.judgesdonotknowaboutStep2:DiscussionWhat’stheuseofcomputer?Step3:pair—work,group—workReadthearticleaboutthehistoryoftheinternet,workingroupsanddiscusstheadvantagesanddisadvantagesoftheinternet.Talkingthetopicaboutistheinternetagoodorbadthing?Step4:wordsstudy1.hardlyevera.sometimesb.seldomc.often2.dependona.needb.trustc.playwith3.realizea.allowb.understandc.decide4.rarelya.oftenb.sometimesc.seldom5.essentiala.verydangerousb.verysafec.verynecessary6.containa.preventb.removec.includeStep4Consolidationandhomework1.Reviewwhatwelearnttoday.Readthetext.CopydownthenewwordsThe3rdperiodTeachingAims:1.Learnabouttopofficesupplies2.Trainthestudents’listeningability.3.Mastersomenewwordsaboutorderingproducts4.Learnhowtofindthemeanings.TeachingImportantPoint:1.Improvethestudents’listeningability.2.Enablethestudentstounderstandthetextbetter.3.Developthestudents’creative,comprehensiveandconsolidatingabilities.TeachingDifficultPoint:1.Howtoimprovethestudents’listeningability.2.Describehowtodescribetheproducts.TeachingMethods:Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:ThemultimediaandtheblackboardTeachingProcedures:Step1Listening:fillinginanorderformMabelWangisorderingsomeofficeproductsforhercompany.YouarethemanfromTopOfficeSuppliesStep2:Listentotherecording,andcompletethedetailsofMabel’sorderontheformbelow.Thewordsandpicturesmayhelpyou.Afteryoufinish,workoutthegrandtotalStep3:TopofficesuppliesCompanyname:Customername:CustomerNo:The4rdperioTeachingAims:1.Learnaboutgrammar2.Trainthestudents’thecomparativeofadjectivesability.3.Mastersomenewwordsaboutthecomparativeofadjectives4.Learnhowtofindthemeanings.TeachingImportantPoint:1.Developthestudents’creative,comprehensiveandconsolidatingabilities.TeachingDifficultPoint:1.Describehowtodescribethedifferentobjects.TeachingMethods:Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:ThemultimediaandtheblackboardTeachingProcedures:Thecomparativeandsuperlativeofadjectives英语中有时需要对两者或多者进展比拟，这时就需要用形容词的比拟等级。比拟等级分为：原级:cheapexpensive比拟级:cheapermoreexpensive最高级:cheapestthemostexpensive写出以下形容词的比拟级和最高级：cheapsmalloldhighnicesafehappyheavyearlyeasybigwetimportantdifficultangryfamousinterestingexcitedgoodillfarlittleFillintheblankswiththeproperformsofthewordsgiven.Mysisteris_____thanRichard.(old)Hehas_____homeworktodothanIdotoday.(much)Isfootball____________thanvolleyball?(exciting)Thetownis_______thanitusedtobe.(clean)I’m________thanhisbrother,Jim.(clever)Ithinkshelooks_______thaninthephoto.(pretty)Thisroadis______________thantheotherone.(dangerous)Thisproblemis______________thanIthought.(important)Canyouwalk_______thanayoungman?(far)Insummeritismuch______inWuhanthaninBeijing.(hot)Whichis________,Room201orRoom108?(bright)Tomis_________boyinourclass.(oldThisis_______citythatwehaveevervisited.(good)Itwasthe______dayofhislife.(bad)Susan’sflowersare________________ofall.(beautiful)Sueis___________ofthegirlsintheclass.(clever)17.Winteris______thanautumn;itis__________ofthefourseasons.(cold)18.Wewatchedavery______playthedaybeforeyesterday.(bore)19.Pantscost_____thanshorts.Shortsdon’tcostas_____aspants.(much)20.Thegirlseems__________todaythanyesterday.Thegirldidn’tseemso_____yesterdayastoday.(lively)AThecomparativeofadjectivesA2Workinpairstodothisquiz.S1asksthequestions.S2usestheinformationintheboxtoanswerthequestionstheNile—6,700kmtheAmazon—6,300kmAfrica—30,233,000sqkmAsia—44,426,000sqkmGreenland—2,715,592sqkmBorneo—746,543sqkmtheAtlantic—9,219mthePacific—11,035m1.S1:(river/long)__________________,theNileortheAmazon?S2:_______________.2.S1:(continent/big)______________________,AfricaorAsia?S2:____________.3.S1:(island/large)___________________,GreenlandorBorneo?S2:_________________.4.S1:(ocean/deep)____________________,theAtlanticorthePacific?S2:___________________.A3Makesentencesusingtheadjectivesinthebox.shallowshortsmall1.TheAmazon____________________.2.Africa__________________.3.Borneo______________________.4.TheAtlanticThe5thperiodTeachingAims:1.Learnaboutcomputers2.Trainthestudents’speakingability.3.Mastersomenewwordsaboutcomputers4.Learnhowtofindthemeanings.TeachingImportantPoint:1.Improvethestudents’speakingability.2.Enablethestudentstounderstandthetextbetter.3.Developthestudents’creative,comprehensiveandconsolidatingabilities.TeachingDifficultPoint:1.Howtoimprovethestudents’speakingability.2.DescribehowtogiveopinionsTeachingMethods:Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:ThemultimediaandtheblackboardTeachingProcedures:Step1TalktimeListentothetapeReadafterthetapeReadtogetherStep2SpeakupI.Giveopinion,agreeinganddisagreeing?Workingroupsof52.S1isTonyTheotherstudentisJoyce.theyaretalkingaboutfood.A2Answerthesequestionsabouttheconversationincompletesentences.1.WhatisTony’sopinionaboutCantonesefood?2.WhatdoesJoycethinkofSichuanfood?3.DoesJoyceagreethatCantonesefoodishotterthanSichuanfood?4.DoesTonyagreethatCantonesefoodtastesbetterthanSichuanfood?Usefulexpressions:Inmyopinion,Itisveryimportantbecause…Doyoueveruse…..to?Howdoyou….?Doyouhave……?Isthere……?Wouldyoulike….?Doyouenjoy……?II.Possibleanswer:S1:IthinkLiuHuan’svoiceislouderthanChengLong’s.S2:Idon’tagree.Inmyopinion,ChengLong’svoiceislouder.S1:ButChengLong’svoice