8A Chapter 4教案.docx

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1、Chapter4ComputertechnologyTheIstperiodTeachingAims:1.Learnaboutcomputer2 .Trainthestudents5readingability.3 .Mastersomenewwordsaboutcomputer4 .Learnhowtofindthemeanings.TeachingImportantPoint:!.Improvethestudentsreadingability.5 .Enablethestudentsunderstandthetextbetter.6 .Developthestudents,creativ

2、e,comprehensiveandconsolidatingabilities.TeachingDifHcultPoint:1 .Howtoimprovethestudents,readingability.2 .HowmuchdoyouknowaboutcomputertechnologyTeachingMethods:Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:ThemultimediaandtheblackboardTeachingProceduresStepl:warmingupT:asks

3、omestudentstoanswer,whatisthis?Whichkindofelectricmachinedoesteacheruseteachusintheclass?S: Computer.T: whatdoyouknowaboutcomputer?Beforeyoureadaboutcomputers,lookatthepicturesbelowandtrytowritethenamestocompletethesentences.mainunitmonitorspeakermicro-phonekeyboardmousefloppy diskCD-ROMdriveDVD-ROM

4、drive1.OOKandTHINK1. Theshowswordsandpictures.2. Weusethefortypingininformation.3. Thestoresinformation.4. Thehelpsuscontrolthecomputer.5. Wecanhearsoundfromthe6. WeputtheorintotheStep2:pre-reading1.etslearnsometechnicalwordsassociatedwithcomputers:Pc:personalcomputer1.aptop:small,portablepersonalco

5、mputerVirus:somethingwhichgetsintoaprogramanddamagesitData:informationFile:acollectionofdatastoredtogetherNetwork:asystemthatlinkstwoormorecomputerstogetherSoftware:programsHardware:themonitor,keyboard,drives,etc.Command:anordertothecomputere-mail:electronicmailmodem:adevicewhichlinksthecomputertoth

6、etelephonesystemmultimedia:acombinationofsound,movingpicturesandtextstep3:while-reading1. lookatthetitleofthepassageandthepicturesonthenextpage.Thendiscussthefollowingstatementswithapartnerandcorrectmistakes.Computers.1. areinsidemanymachinesinourhomes.2. candounimportantjobslikeflyingplanes.3. area

7、lreadyclevererthanpeople.2. readingpassage(computers)Thesearethreeshorttextstypicalofinformationleafletsornewspaperormagazinearticles,discussingdifferentaspectsofcomputersinthemodernworld.Allright!Turntopage46.Lookatthepassageandthinkaboutsomequestions:1. WhatdoesTonyplantodoaboutcomputers?2. Whatar

8、eprobablythebestcalculatorsintheworldatthemoment?3. IsacomputerclevererthanIam?4. HowdoWegiveacomputerinstuctions?5. WhatdoesaCD-ROMcontain?3.fast-readinganswersomequestionsaboutpassage.1. Hiddenhelpers:Theuseofcomputershasspreadveryquickly.Therearesmallcomputersinsideeverydayappliancesinyourhome.2.

9、 Whatkindofjobscanacomputerdo?Computersareelectronicbrains.Theycanperformmanyfunctions,calculateandevencontrolrailwaysystems3. IsacomputerclevererthanIam?Atpresent,thehumanbrainissuperiortothecomputer,asithasgreaterunderstanding,butthismaychange.Ifcomputerscandosomeofourjobsbetterthanwecan,howwillou

10、rliveschange?:Whatisthemainideaofthethreeshortpassage?Hiddenhelpers:theuseofcomputershasspreadveryquickly.therearesmallcomputersinsideeverydayappliancesinyourhome.Whatkindofjobscanacomputerdo?Computersareelectronicbrains.theycanperformmanyfunctions,calculateandevencontrolrailwaysystems.Isacomputercl

11、evererthanIam?Atpresent,thehumanbrainissuperiortothecomputer,asithasgreaterabilitytounderstand,butthismaychange.ifcomputerslearntodosomeofourjobsbetterthanwecan,howwillourliveschange?4. FindthemeaningsFindthesewordsandexpressionsinthepassage.Thenreadthewordsroundthemandchoosethebestmeanings.1. hardl

12、yevera.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.Readandthi

13、nkPeopleoftenexpectyoutogiveexamplestoexplainsomething.Readthestatementsbelowandonpage47andgiveexamples.Putonewordineachblank.1.SI:Computerscandosomeimportantjobs.S2:Forexample?S1:,and.2.S1:Theremaybetinycomputersinyourhome.S2:Where,forexample?51: Insideyour,or3. Sl:Ahumanbraincandosomethingsbettert

14、hanacomputer.52: Forexample?51: .4. SI:Infuture,computersmaydosomejobsbetterthanpeople.52: Whatjob,forexample?SI:Ajob6.ilndthefactsTonymadesomenotesaboutthearticlesonthepage45,butsomeofthefactsinthemarewrong.readthearticlesagainandcorrecthisnoteswherenecessary.1. hiddenhelpersa. therearemanybig,hidd

15、encomputersineveryone,shome.b. Peoplearelessdependentoncomputersthantheyrealize.2. whatkindofjobscanacomputerdo?a. computerssometimesgivewronganswersatcalculating.b. Computerscanteachpeoplemanythingsandalsoplaygameswiththem.3. isacomputerclevererthanIam?a. computerscannotcreatenewideasforthetimebein

16、g.b. computersarebetteratdoingtheirjobsthandoctors,judgesandteachersatpresent.Step4:after-reading(discussion)Whatdoyoulearnfromthepassage?The2ndperiod1. TeachingAims:2. 1.earnaboutcomputer3. Trainthestudents,readingability.4. Mastersomenewwordsaboutcomputer5. 1.earnhowtofindthemeanings.TeachingImpor

17、tantPoint:1. Improvethestudentsreadingability.2. Enablethestudentstounderstandthetextbetter.3. Developthestudentscreative,comprehensiveandconsolidatingabilities.TeachingDifHcultPoint:1. Howtoimprovethestudents,readingability.2. HowmuchdoyouknowaboutcomputerTeachingMethods:Individual,pairorgroupworkt

18、omakeeverystudentworkinclass.TeachingAids:ThemultimediaandtheblackboardTeachingProcedures:Stepl:reviewnewwordsFindthewordsinColumnAinthepassageandthenreadthewordsroundthem.MatchthemwiththemeaningsinColumnB.1.beunawareofatrackwithrailsonit3. hiddenseniorlawofficers4. typedifficulttoseeorfind5. railwa

19、ywritesomethingwithacomputer,typewriter,etc.6. judgesdonotknowaboutStep2:DiscussionWhat,stheuseofcomputer?Step3:pair-work,group-workReadthearticleaboutthehistoryoftheinternet,workingroupsanddiscusstheadvantagesanddisadvantagesoftheinternet.Talkingthetopicaboutistheinternetagoodorbadthing?Step4:words

20、study1. .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.1. Rea

21、dthetext.2. CopydownthenewwordsThe3rdperiod1. TeachingAims:2. 1.earnabouttopofficesupplies3. Trainthestudents,listeningability.4. Mastersomenewwordsaboutorderingproducts5. 1.earnhowtofindthemeanings.TeachingImportantPoint:1. Improvethestudentslisteningability.2. Enablethestudentstounderstandthetextb

22、etter.3. Developthestudentscreative,comprehensiveandconsolidatingabilities.TeachingDifficultPoint:1. Howtoimprovethestudents*listeningability.2. Describehowtodescribetheproducts.TeachingMethods:Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:ThemultimediaandtheblackboardTeaching

23、Procedures:Step1Listening:fillinginanorderformMabelWangisorderingsomeofficeproductsforhercompany.YouarethemanfromTopOfficeSuppliesStep2:Listentotherecording,andcompletethedetailsofMabesorderontheformbelow.Thewordsandpicturesmayhelpyou.Afteryoufinish,workoutthegrandtotalStep3:TopofficesuppliesCompany

24、name:Customername:CustomerNo:ReferenceNo.ProductColour/SizeQuantityPrice(each)TotalJ-1505ballpointpensblack3boxes38114(1)P-1961A4paper(2)white(3)10boxes(4)30(5)300(6)C-4091(7)screenfiltermedium(8)1480(9)Y480(10)D-2791(11)floppydisks/(12)5boxes(13)75(14)375(15)C-4083(16)officechair(17)black(18)1(19)1

25、,800(20)1,800Grandtotal:(21)Y3,069The4rdperio1. TeachingAims:2. 1.earnaboutgrammar3. Trainthestudents,thecomparativeofadjectivesability.4. MastersomenewwordsabouttheCOmParatiVeofadjectives5. 1.earnhowtofindthemeanings.TeachingImportantPoint:1. Developthestudentscreative,comprehensiveandconsolidating

26、abilities.TeachingDifficultPoint:1.Describehowtodescribethedifferentobjects.TeachingMethods:Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:ThemultimediaandtheblackboardTeachingProcedures:Thecomparativeandsuperlativeofadjectives英语中有时须要对两者或多者进行比较，这时就须要用形容词的比较等级。比较等级分为：原级：cheap比较级

27、：cheaper最高级：cheapestexpensivemoreexpensivethemostexpensivebiggestThehorseisthebiggestofall.youngyoungestTheboyisyoungerthantheman.Thebabyistheyoungestofthethree.Theyellowcoatischeaperthanthepurpleone.Thebrowncoatisthecheapestofthethree.形容词比校级和最高级的构成：规则变化单音节形容词的构成方法原级比较级最高级一般在词尾加er或esttalltallertalle

28、st以字母e结尾的单词后加r或stnicefinenicerfinernicestfinest以“辅音字母+y”结尾的双音节词，先改y为L再加er或estearlyheavyearlierheavierearliestheaviest重读闭音节词尾只有一个辅音字母时，应先双写这个辅音字母，再加或estthinWghottherbgerhotterthnestbgesthottest多音节词或少数双音节词，在词前加more或mostusefulbeautifulmoreusefulmorebeautifulmostusefulmostbeautiful1.形容词比较级和最高级的构成：不规则变化例

29、词少数几个形容词的比较级和最高级的构成是不规则的。good/wellbetterBestbad/illworseworstmany/muchmoremostlittlefaroldlessfarther(further)olderelderleastfarthestfurthestoldesteldest写出下列形容词的比较级和最高级：cheapsmalloldhighnicesafehappyheavyearlyeasybigwetimportantdifficultangryfamousinterestingexcitedgoodillfarlittleFillintheblankswit

30、htheproperformsofthewordsgiven.1. MysisteristhanRichard.(old)2. HehashomeworktodothanIdotoday,(much)3. Isfootballthanvolleyball?(exciting)4. Thetownisthanitusedtobe.(clean)5. mthanhisbrother,Jim.(clever)6. Ithinkshelooksthaninthephoto,(pretty)7. Thisroadisthantheotherone.(dangerous)8. Thisproblemist

31、hanIthought,(important)9. Canyouwalkthanayoungman?(far)10. InsummeritismuchinWuhanthaninBeijing,(hot)11. Whichis,Room201orRoom108?(bright)12. Tomisboyinourclass,(old13. ThisiscitythatWehaveevervisited,(good)14. Itwasthedayofhislife,(bad)15. Susansflowersareofall.(beautiful)16. Sueisofthegirlsinthecl

32、ass,(clever)17. Winteristhanautumn;itisofthefourseasons,(cold)18. Wewatchedaveryplaythedaybeforeyesterday,(bore)19. Pantscostthanshorts.Shortsdon,tcostasaspants,(much)20. Thegirlseemstodaythanyesterday.Thegirldidn,tseemsoyesterdayastoday,(lively)”比较出来的英语Il.Afriendiseasierlostthanfound.朋友易失不易得。2. Eno

33、ughisasgoodasafeast.知足常乐。3. Bettertodowellthantosaywell.说得好不如做得好。4. Betterthelastsmilethanthefirstlaughter.宁可最后微笑，不可首先狂喜。“比较出来的英语I5. Doingisbetterthansaying.会说不如会做。6. Twoheadsarebetterthanone.两人智慧胜一人。7. Goodtobeginwell,bettertoendwell.善始好，善终更佳。8. Aneyefindsmoretruththantwoears.百闻不如一见。AThecomparative

34、ofadjectivesA2Workinpairstodothisquiz.Slasksthequestions.S2IISeStheinformationintheboxtoanswerthequestionstheNiletheAmazon6,700km6,300kmAfricaAsia30,233,000sqkm44,426,000sqkmGreenlandBorneo2,715,592sqkm746,543sqkmtheAtlanticthePacific9,219m11,035m1.S1:(river/long),theNileortheAmazon?52: .2. S1:(cont

35、inent/big),AfricaorAsia?52: .3. SI:(island/large),GreenlandorBorneo?52: .4. S1:(ocean/deep),theAtlanticorthePacific?52: .A3Makesentencesusingtheadjectivesinthebox.shallowshortsmall!.TheAmazon.2. Africa.3. Borneo.4. TheAtlanticThe5thperiod1. TeachingAims:2. 1.earnaboutcomputers3. Trainthestudents,spe

36、akingability.4. Mastersomenewwordsaboutcomputers5. 1.earnhowtofindthemeanings.TeachingImportantPoint:1. Improvethestudentsspeakingability.2. Enablethestudentstounderstandthetextbetter.3. Developthestudentscreative,comprehensiveandconsolidatingabilities.TeachingDifHcultPoint:1. Howtoimprovethestudent

37、s,speakingability.2. DescribehowtogiveopinionsTeachingMethods:Individual,pairorgroupworktomakeeverystudentworkinclass.TeachingAids:ThemultimediaandtheblackboardTeachingProcedures:1. Step1Talktime2. 1.istentothetape3. Readafterthetape4. ReadtogetherStep2Speakup1. Giveopinion,agreeinganddisagreeing?Wo

38、rkingroupsof52.S1isTonyTheotherstudentisJoyce.theyaretalkingaboutfood.A2Answerthesequestionsabouttheconversationincompletesentences.l.WhatisTony,sopinionaboutCantonesefood?2. WhatdoesJoycethinkofSichuanfood?3. DoesJoyceagreethatCantonesefoodishotterthanSichuanfood?4. DoesTonyagreethatCantonesefoodta

39、stesbetterthanSichuanfood?Usefulexpressions:Inmyopinion,Itisveryimportantbecause.Doyoueveruseto?Howdoyou.?Doyouhave?Isthere?Wouldyoulike.?Doyouenjoy?ILPossibleanswer:51: IthinkLiuHuan,svoiceislouderthanChengLong,s.52: Idon,tagree.Inmyopinion,ChengLong,svoiceislouder.51: ButChengLong,svoiceisrougher.

40、52: Iagree.ThatswhyIlikeit.Possiblequestions:1. Isthereacomputerinyourhome?2. Whoseisit?/Whoistheowner?3. Doyouknowhowtouseit?4. Doyouenjoyusingacomputer?5. Whatareyourthreefavoritecomputergames?6. Doyoueverdoyourhomeworkonacomputer?7. Wouldyouliketouseacomputertowritee-mails?8. Doyouuseacomputertod

41、oanythingelse?9. IsthecomputerinyourhomeconnectedtotheInternet?10. DoyouhaveaDVD-ROMdriveinyourcomputer?III.Reportyourlisttotheclass.Remembertogivereasonsforyourchoices.Step3Discussion1. haveacomputerinyourhome?2. youuseit?3. youenjoy?4. dohomeworkoncomputer?5. writee-mails?The6thperiodTeachingImpor

42、tantPoint:1.Improvethestudentswritingability.ComparingtwoobjectsTheyaretwins,yesterdaywastheirbirthday.Theirparentsgavethemtwotoycars.AndcompleteRobin,slettertohisgrandmother.DearPeterThanksforyourletter.Inreplytothequestionattheend,myparentsboughtanewflat!TheylookedatoneinPeakVillaandoneinSeasideCourt.TheychosePeakVilla.Theflatthereis(1)theflatinSeasideCourt,butithas(2)rooms.Itisalso(3),anditspriceis(4).Itis(5)theschool,butitis(6)themarket.Finally,theviewfromPeakVillais(7)theviewfromSeasideCourt.llsendyouaphotoinmynextletter.BestwishesRobinhomework