外研必修3課件-in asia教案

I單元教學目

Module4SandstormsinTalkaboutsandstormsinAsia.PracticeexpressingstrongPracticetalkingabouthowtoimprovetheLearntousedifferenttypesofInfinitiveandexpressionswithbut+infinitive.LearntodesignaposterthatencouragespeopletolookaftertheII.目標語功能句式PracticeexpressingstrongItotallyagreewithIcouldn’tagreewithyoumore.Ithinkyouareabsoluyright.It’sextremelyserious.PracticetalkingabouthowtoimprovetheWeneedWemust…詞匯1四會詞sandstorm,frightening,inland,mass,n,dune,desertification,process,citizen,dust,forecast,strength,cycle,mask,atmosphere,carbon,dioxide,chemical,environment,garbage,melt,pollution,recycle,coastal,concerned,evidence,major,urgent,pollute,complain,nuts,scary,absolu y,protection2認讀詞匯thePacific3詞cutdown,becaughtin,oneafteranother,haveabadeffecton,takein,giveout,inanuts ,lookthrough語法Differenttypesofdo,todo,tobeng,tohavedone,tohavebeendoneThewindisstrongenoughtomovesandWewereadvisednottogoIt’sfrighteningtobecyclingtoworkinaThereisnothingtobeIamthe inmyfamilytohavebeeninaTohavebeencaughtinasandstormwasaterribleExpressionswithbut+Ican’thelpbutWedonothingbuttalkabout重點句子CompletethesentencesusingthecorrectformoftheseDesertsarealsocreatedbecausepeoplecutdowntreesanddigupTohavebeencaughtinasandstormwasaterribleIcouldn’tagreewithyouIt’sabsoluyAgreetospendanhourtogethereachweekspeakingYouareabsoluyTherearelawsthatdonotallowpeopletoburntoomuchIII.分析和重組分析本模塊以Sandstorms為話題，通過本模塊的幾篇閱讀材料使學生對Sandstorms有所了解，并通過文章中一些深刻的問題，比如，Thedesertisonly250kilometersawaytothewestofBeijing使學生更好地了解我們的地球和我們的生活環(huán)境正的破壞，并對“我們應該如何保護環(huán)境”的熱烈討論，通過這些討論會激發(fā)學生對環(huán)境保護的了解和實施的自覺性。通過討論質(zhì)量。并能就此設計海報來呼吁人們保護環(huán)境。21*cnjy*comINTRODUCTION復習和學習有關自然的詞匯,呈現(xiàn)了一些自然災READINGANDVOCABULARY就有關沙塵暴的提出問題來導入題的能力。21教育名師作品GRAMMAR1GRAMMAR2了解but+infinitivePRONUNCIATIONANDFUNCTION學會expressstrongopinions的表達SPEAKING1SPEAKING2通過詞匯練習來了解造成環(huán)境污染的一些東西，并就此提WRITING先描述一些環(huán)境問題，然后再就此提出解決的措施，然后組CULTURALCORNER了解一些歐洲國家在環(huán)保方面所采取的措TASK2重READINGANDVOCABULARYGRAMMAR1GRAMMAR2WorkbookGrammar整把LISTENINGANDVOCABULARY,EVERYDAYENGLISHWorkbookLISTENINGANDSPEAKING整合在一起作為一堂聽,SPEAKING1SPEAKING23課型設計與分1st 2nd Intensive3rd 4th 5th Extensive6th IV.分教TheFirstPeriodTeachinggoals教學目Targetlanguage目標語ablow,bury,frightening,last(v),sandstorm,dig,protection,sign,earthquake,cutdown,giveout,digup21世紀教育網(wǎng)bIcouldn’tagreewith…Ithink…Youare/itisabsoluyright.It’sextremelyserious.Ihavenoidea.Itcouldn’t…Giveone’sInmyopinion,we…Ithink…Weshould/needto/AbilityGoals能力目Enablethestudentstotalkaboutthesandstorms,thereasonsforcausingsandstormsandtheimportantofprotectingenvironment.Learningabilitygoals學能目Helpstudentstolearnhowtotalkaboutthesandstorms,thereasonsforcausingsandstormsandtheimportantofprotectingenvironment.Teachingimportantpoints教學重點及難Howtodescribesandstorms&environmentalHowtoexpressone’sTeachingmethods教學pairTeachingaid教學Acomputer,aprojector,andatape 教學過Step1T:Goodmorning,everyone!Todaywearegoingtolearnanewmodule,Module4SandstormsinAsia.Lookatthescreenplease.Iwillshowyousomepictures.Talkabouttheminyourownwords.(Showthemthepicturesofsandstorms.)S1:InthefirstpictureIcanseeamanisridingabikehard.Theskyisyellow.T:Canyouseethebuildingsclearly?S1:No,theyarenotT:Thankyou,sitdownS2:InthesecondoneIcanfindsomebuildings,butIcannotseethemclearly.Maybethecityisinthesandoranythinglikethat.S3:InthethirdoneIcanseeaverytallbuildingonly.Thereismuchsandinthesky.T:Verygood.Thankyou.S4:Inthenextpicture,Icanseemanypeopleridingbikeswearingmasks.Theweatherisverycold,becausetheywearglovesandmoreclothes.T:Howabouttheair?IsitS4:Theairisnotclean.Thereissomethinglikesandintheair.T:Quiteright!S5:Inthefifthpicture,thereisastrongwindcarryingsand.Itlookslikesmoke.S6:Inthelastone,therearesomebuildingscoveredwiththick,yellowdust.T:Excellentjob!Thankyoueverymuch.Now,whocanluswhythereissomuchsandinthesky?Thewindthatcarrysandarecalled…S7:T:Verygood.Yes,theyarecalledsandstorm.Ifyouwanttoknowmoreaboutsandstorm,let’scometoModule4SandstormsinAsia.StepIIWarmingT:Openyourbooksonpage31.Lookatthepictureinyourbooks,whatcanyouseeinthepicture?S1:Thereisastrongwindcarryingsandinthesky,andacarcoveredwithrunningAnswers:sandstorm,lasts,frightening,blows,T:Right.Now,completethesentencesusingthecorrectformAnswers:sandstorm,lasts,frightening,blows,After3minutes,asksomestudentstosharetheirDig,Dig,earthquake,protect,sign,thePacific(showthewordsonthescreen,andexplainthemeaningtothestudents.Dividethewholeclassintoseveralgroupstodiscussquestionsinactivity2.ThencallbacktheS1:Mostofthesandstormsbeginindesertareas.Becausetherearenotreesandgrassesinthedesertareas.Thewindisverystrong.S2:Climatechangingcancreatedeserts,butnowadays,thedesertsarebeingenlargedbecauseofhumanity.S3:Desertsarealsocreatedbecausepeoplecutdowntreesanddigupgrass.T:Whypeoplecutdowntrees?S3:TheywanttogetwoodortoplantS4:Fewyearsago,JapanwasaffectedbythesandstormscomingfromnorthwestChina.AndAmericaisalsoaffectedbysandstorms.Somearecausedbyhumanity;somearefromAsiablownacrossthePacificOcean.Sandstormhasbeenaglobalissue.T:Verygood,thankyou.CanwepreventS5:Yes.Atpresent,ourChinahascarriedoutmanyplanstopreventsandstorm.Forexample,Chinahasformedaprofessorcommitteetostudyhowtopreventsandstorms.Wehaveplantedmanytreeseveryyear.Cuttingdownthetreesisunlawful.Thedegreeofsandstormisondecline.Sowecanpreventit.Webelieveourselves.T:Quiteright.Ibelievetoo.WheredoesthesandstormoftenS6:theinlandregionhasmoresandstormsthantheonenearthesea.Becausetheinlandisdrierthantheonenearthesea.T:CanyougiveustheS6:DryweatherisoneofthemainreasonsforT:Quiteright.You’vedoneverywell.Fromthisactivity,you’vegotmuchinformationonsandstorms.Sandstormisverybad.Itpollutestheair,affectsourdailylife.Ifyouareinasandstormwhatshouldyoudo?Nowworkinpairstodiscussthequestionsinactivity3.(5minuteslater,callbacktheS1:IfIaminasandstormIwillwearamasktoprotectmymouthandthroat,wearapairofglassestoprotectmyeyes.S2:BesidesmaskandglassesIwillwearahat.Becausethereismuchsandintheair,itwillmakemyhairdirty.T:Youareright.Inasandstorm,youshouldwearamaskandahat,apairofglassesisalsonecessary.Whichoneismoredangerous,earthquakeandsandstorm?S3:Ithinkearthquake.Becauseinsandstormwecanstayathometoprotectus,butinearthquakeeverywhereisdangerous.T:Iagreewithyou.WhereinChinadosandstormsusuallyhappen?WhatisthefirstS4:InthewestandnorthwestChina.S5:ButitalsohappensinBeijingoften.S6:Beforethesandstorm,thereisusuallyaheavywindanddryweather.S7:Theskyisyellow.S8:Oneafternoonoflastspring,whenIwasatschool,theskywasyellow.Therewasmuchsandinthesky.Thewindwasverystrongwithsomedropsofrain.Infact,itwasnotrain.Itwasmud.Atthattime,Ithoughttheearthquakewascoming.Itwasveryterrible.T:Itwasreallyterrible.Thankyou.NowIthinkallofyouhaveknownaboutsomethingofsandstorm.Thesandstormisterribleandharmful.WeshouldhardtoprotectourStepIIIPronunciationandListentothetapeandaskstudentstounderlinethewordsstressedandconcludewhenandwherethewordwillbestressed.Thenaskstudentstopracticeactivity1&2.Listenagaintocheckifthestressisright.AskstudentstocompletethesentencesinEx.3usingexpressionsfromEx.1&2.StepIVT:Supposeyouareacitizen.Thereisasandstorminyourcity.Areporterwantstointerviewyouaboutthissandstorm.Makeadialogueaboutyourinterviewwithyourpartner.S1:Goodafternoonsir,Iamareporteroflocalevisionstation.MayIaskyousomequestionsaboutthesandstormhappenedinthemorning?S2:S1:Whenthesandstormhappened,whatwereyoung?S2:Iwascyclingontheroad.S1:Beforethesandstormcoming,didyouknowitwasthesandstorm?Orweretheresomesignsofthecomingsandstorm?S2:Yes.IlearnsomesandstormsignsfromTV.SoItriedhardtoride,butthewindwassostrong.S1:CanyoulmesomesignsofthatS2:First,thewindwas ingstrongerandstronger,itlookedliketherainwascoming.Icanhardlyridemybike.Thedustonthegroundwaswhirledintothesky.Andtheskywasturnedintoyellow.Thedustbecamemoreandmore.Icanhardlyopenmyeyes.Iknewitwouldbeasandstorm.S1:Itwasterrible.CanyougiveussomeideastopreventtheS2:Fromevision,wecanseemostofthesandstormsarecausedbyhuman.Insteadofcuttingdowntreesanddigginggrassweshouldplantmoretreesandgrasses.S1:Iagreewithyou.Ithinkafterthissandstormmostofpeoplewillbewaken.ThankT:Welldone.Thankyou.Nowwehaveknownmostofthesandstormshavecausedbythedestroyedenvironment.ArethereanyotherthingsthatarebadfortheSs:Yes.Forexample,coal.T:Inwhatway?Ss:Itgetsofflotsofsmokeandpollutestheair.T:You’reright.Ss:Plastic.Inourdailylife,peopleusemanyplasticbagsandthrowthemWhenthereiswind,theplasticbagsthrownwillflySs:Incanteenmanystudentsuseplasticbagstoholdtheirmealandthrowthemawaythen.Ithinkweshouldnotusethemfirstandsetamodal.Ss:Likerefrigerator,moreandmorecarshavecomeintofamilies.Theygiveoutmuchchemicalsmoke,especiallyincities.Itisbadforourhealth.Ss:CuttingmoretreeswillnotonlycausesandstormsbutalsoenlargethesandT:Welldone,boysandgirls.Sincewehaveknownsomanythingsarebadfortheenvironment,whatshouldwedotoprotectourenvironment?Ss:WeshouldplantmoretreestofreshourSs:WeshouldthrowtherubbishintothedustbinandnotthrowthemSs:Ithinkthemostimportantthingweshoulddoistoorganizeanorganizationtomakepeoplearoundusknowtheimportancetoprotecttheenvironment.T:Ok,whatyoutalkaboutisveryhelpful.Pleaseprepareitafterclassifyouwant.Ifyouneedhelp,pleaseletmeknow.Thisclasswehavelearntsomethingaboutsandstorms,andhavediscussedthingsthatpollutetheenvironment.Sincethepollutionissoserious,weshouldtryourbesttoprotectourenvironment.Nowwhatyoushoulddoafterclassistoturnyourideaintopractice.StepVWriteacompositionaccordingtothepictures.(A類) ：21教育注意:1.描述準確全面;2.題圖銜接連貫;3.詞數(shù):120左右Writeashortparagraphtodescribethepollutionaroundyou.B類PreviewthetextonpageTheSecondPeriodReadingandTeachinggoals教學目amass,dune,desertification,citizen,dust,forecast,cycle,mask,affect,strength,situation,survive,startto…,wakeupto…,advisesb(not)todosth.,oneafterbScientistshavetriedmanywaystosolvethisproblemandinChina,amassnhasbeenstartedtohelpsolveit.Youjusthadtohopeyou’dThisisaprocessthathappenswhenland esdesertbecauseofclimatechangesandbecausepeoplecutdowntreesanddigupgrass.Weatherexpertsadvisepeoplenottogoout.Tobecyclinginasandstormisfrightening.Therewasnothingtobedone.Abilitygoals能力目Enablestudentstogainknowledgeaboutthesandstorm.Knowthecauseandresultofsandstorm,andwhattodoinsandstormandtofostertheirsenseofresponsibilityofprotectingtheenvironment.Learningabilitygoals學能目HelpstudentstolearnhowtodescribeaphenomenonandexpresstheirTeachingimportantpoints教學重Learnsomecharacteristicsandresultofsandstorm.Askstudentstothinkwaystoprotecttheenvironment.Teachingdifficultpoints教學難DiscusstheanswerstotheGeneralizethecharacteristicsofFastreadinganddealwithcomprehensionIntensiveStudent-centeredvocabularyTeachingaids教具Aprojector,acomputerandarecorder.Teachingprocedures&ways教學過程與方式Step1GreetingandrevisionCheckthestudents’byaskingsomeofstudentstoreadtheirshortpassageaboutpollutionaroundT:Goodmorning/afternoon,boysandgirls.Whowantstoshareyourshortpassageaboutthepollutionaroundyou?Ss:I’dlike.Ourearthusedtobeabeautifulplace.Thicktreesandgreengrasscoveredthehillsanditwasthebesthomeforbirdsandanimals.Whatabeautifulsceneitwas!However,astimewenton,peopledestroyedtheforesttogrowcrops.Whatwereworse,peoplelettheircattleeatupthegrass.Soyoucanseeastretchofwasandinsteadofgreenhillsnow.Asaresult,whenitrains,thesoiliswasheddownthehills,strongwindsblowawaytherichsoilthatliesonthetopofthefields.Wedohopeallthepeoplewilltakegoodcareofourforestsandplantmoretreestoimprovetheenvironmentinwhichweareliving.I'msureaslongaswetryeverypossiblemeans;we'resuretohaveabeautifulenvironmentagain.T:Excellent!Thankyou.Yesterday,wehavetalkedaboutsomethingaboutsandstorm.Today,wearegoingtolearnmoreaboutit.Openyourbooksonpage32.HavepreviewedSs:T:VeryStep2pre-ThereisaterribleShewearsamask,scarf,andheavyclothes.BecausethereisaThereisaterribleShewearsamask,scarf,andheavyclothes.BecausethereisastrongTrafficmovesveryslowlybecausethethickdustmakesitdifficulttoTheexpertadvisespeoplenottogoAfter5minutes,checktheT:Now,who’dliketotalkaboutthefirstquestion?S1:I’dliketotry.FrompictureIknowthatasandstormhappens.Itisfrightening.T:Quiteright.Nextquestion?Whowanttohaveatry?S2:Thereisawomanpullingabikeinafrighteningsandstorm.Thecyclistwearsamaskandapairofgloves.Shewearsahat.T:Thankyou,verywell.HowaboutnextS3:Thetrafficwillbeveryslow,becauseinthesandstormthereismuchsandinthesky.Thedrivercannotseethingclearly.T:Quiteright.Thelastone,whogottheS4:Ithinktheexpertsadvisepeopletostayathomeandnotgoout.Whilegoingout,youshouldwearamask.T:Thankyou.Sitdownplease.Now,afterwe’velearntthistext,wewillknowhowtoprotectourselves,ifthereisasandstorminourcity.Ofcourse,wedonothopeithappensinourcity.Step3T:Turnyourbooksonpage33.Lookattheactivity2&3,readthetextquicklyagainandcompletethesetwoactivities.Threeminutes.★CycleCycle(v),expert,process,citizen,dust,survive,forecast, b,b,a,After3minutes,asksomestudentstochecktheanswers.Showtheanswersontheaskstudentstoreadit★IntensiveTheThewindsinasandstormcansometimesbestrongenoughtomovesanddunes.WhenRenJianbowaslivinginInnerMongoliaheexperiencedaterriblesandstormindesert.SandstormsinChinaappeartohaveincreasedinrecentyearsasaresultof“desertification”.Cuttingdowntreesanddiggingupgrasscancausetheclimateandmakethee5.Trafficmovedveryslowlybecausethethickdustmakesitdifficult6.ernmentisplantingtreestothewestofBcess6.(Afterstudentstogivepossibleanswers,thenshowthemontheScientistsScientistshavetriedmanywaystosolvethisproblemandinChina,amassnhasbeenstartedtohelpsolveit.Youjusthadtohopeyou’dSandstormsinChinaappeartohaveincreasedinrecentyearsasaresult4.ThisisaprocessthathappenswhenesdesertbecauseofchangesandbecausepeoplecutdowntreesanddigupWhenasandstormarrivesinthecity,weatherexpertsadvisepeoplenottogoTobecyclinginasandstormisAlreadyernmenthasplantedmorethan30billiontreesandplanscontinueplantingforthenextfive(Afterhavingfinishedtheexercises,showtheimportantsentencesonthescreen.Askthestudentstopaymoreattentiontothem.)Sandstormshavebeena forSandstormshavebeena formanyAsiacountries centuries.Scientistshavetriedmanywaysto thisproblemandinChina,a solvenhasbeenstartedtoSuggestSandstormsSandstormshavebeenamajordisasterformanyAsiacountriesforcenturies.ScientistshavemanywaystosolvethisproblemandinChina,anhasbeenstartedtohelpsolve(2ndThewindinThewindinthesandstormisoftenstrongenoughtomove .RenJianbo, describedaterriblesandstormhe whenhewasachild.“tohavebeen inasandstormisa .Therewasnothing .Itwasthemost andthemostdangerous Ihavebeenin.Youjusthadtohope SuggestTheThewindinthesandstormisoftenstrongenoughtomovesanddunes.RenJianbo,fromInnerMongoliadescribedaterriblesandstormheexperiencedwhenhewasachild.“tohavebeencaughtinasandstormisaterribleexperience.Therewasnothingtobedone.ItwasthemostfrighteningandthemostdangeroussituationIhavebeenin.Youjusthadtohopeyou’d(3rd&4thSandstormsbegininSandstormsbeginin area.SandstormsinChina tohavebeenincreasedinrecentyearsasaresultof“ ”.Thisisa thathappensbecausepeople treesand grass.Sandstormssometimes Beijing. wakeuptoanorangeskyand strongwindsthat thecityinathick,brown-yellow .Thesandstormssometimes allthedayandtraffic verySuggestSandstormsbeginindesertarea.SandstormsinChinaappeartohavebeenincreasedinrecentyearsasaresultof“desertification”.Sandstormsbeginindesertarea.SandstormsinChinaappeartohavebeenincreasedinrecentyearsasaresultof“desertification”.Thisisaprocessthathappensbecausepeoplecutdowntreesanddigupgrass.SandstormssometimesaffectBeijing.Citizenswakeuptoanorangeskyandstrongwindsthatcoverthecityinathick,brown-yellowdust.Thesandstormssometimescontinueallthedaytrafficmovesvery(ThelasttwoTheTheChineseCentralWeatherStationcan asandstormsomeweeksbeforeitarrivesinBeijing.Whenthesandstormarrivesinthecity,weather advisepeoplenotto HuangXiaomei,wholivesinBeijingsays,“tobe inasandstormis .It’sdifficultto inthestrongwindand makesme .Soifyouwanttogoout,you’dbetterweara Thedesertisonly250kilometersawaytothewestofBeijing.To itcomingnearer,theernmentisplantingtrees.TheChineseCentralWeatherStationcanforecastasandstormsomeweeksbeforeitarrivesinBeijing.Whenthesandstormarrivesinthecity,weatherexpertsadvisepeoplenottogoout.HuangXiaomei,wholivesinBeijingsays,“tobecyclinginasandstormisfrightening.It’sdifficulttobreatheinthestrongwindanddustmakesmeill.Soifyouwanttogoout,you’dbetterwearThedesertisonly250kilometersawaytothewestofBeijing.Topreventitcomingnearer,theernmentisplantingtrees.(Astothispart,listentowholepassagefirst,andthenlistenagainparagraphbyparagraph.Afterlisteningtoaparagraph,askstudentstolookthescreenandfilltheblankswiththeirbooksclosed.21·世紀*教育網(wǎng)Step3T:Nowlet’sdealwithsomelanguageYoujusthadtohopeyou’dSurvivevi.continuetoliveor ~(fromsth),~(onE.g.manystrangecustomshavesurvivedfromearliertime.【來源 Ican’tsurvivedon30￡aVt.Continuetoliveorexistinspiteofnearlybeingkilledor~anearthquake,~shipwrecksurvivorn. whosurvivedasaresultof“….desert “-fyify”后綴變?yōu)関erb.desertify→………becausepeoplecutdowntreesanddigupgrass.Cutsthdown(causesthtofalldownbycuttingitatbase)~atree,砍倒一棵樹，~trousers,改短褲子，~one’sexpenses,digsthup①breakup(soil,etc)bydigging，②removesthfromthegroundbyDigupthelandforanewgarden.Wedigupthetreebyhisroots.樹連根拔起……weatherexpertsadvisepeoplenottogoadvisesb.(not)todo giveadviceto StepRelthewholeWriteasummaryoftheTheThirdPeriodTeachinggoals教學目Targetlanguage目標語athunderstorm,infinitivebytheendof,b重點句子ExpertshopetolearnmoreaboutthemovementofI’dliketolaboutthesituationbeforeMyfatherwasoutofthecitywhenthesandstormcame.Hewasverygladtomissit.Andyetwedonothingbuttalkaboutit.Ican’thelpbutfeelveryconcerned.Ican’tbutwonderwhatwillAbilitygoals能力LearntouseinfinitiveLearningabilitygoals學能目LetthestudentslearnhowtousetheinfinitiveTeachingimportantpoints教學重TeachtheuseoftheinfinitiveSomewordsfollowedbytheinfinitivebut+Teachingdifficultpoints教學難點Theusageoftheinfinitivestructure.Thestructureofbut+infinitive.ExplanationofLearngrammarthroughTeachingaids教具AprojectorandaTeachingprocedures&ways教學過程與方StepIChecktheStepIIT:Lookatthescreenplease.Payattentiontothephrasesincolor.Dotheyhavesomethingincommon?Whatisthecommonthing?ToseeheristoloveShelikestoplaywiththeIamverygladtoseeThenexttraintoarrivewasfromNewIstayedtheretoseewhatwouldhappen.S:Yes.Theyallhavetheword“to”.T:Verygood.Thisisthegrammar–infinitivestructurewewilllearnthisclass.Whoknowswhattheinfinitivestructureis.21教育網(wǎng)S:Theinfinitivestructureisthephrasethathastodosth”.【來源：21·世紀·教育·T:Verygood,butnotalways.Infinitivestructurehastwotypes.Oneisto-infinitive,theotherisbareinfinitive.Forexample:Youcannotdobetterthango. (bareinfinitive)Toseeistobelieve.(to-infinitive)T:Ok,let’slooksomeusagesoftheinfinitive①InfinitivestructureactsasE.g.Toerrishuman.Ittakesmetendaystofinishthisproject.(英語中常用it做形式主語，真正的主語是不定式)②InfinitivestructureactsasE.g.Heisyettocome.(be+tocome)Theimportantthingistosavelives.③InfinitivestructureactsasE.g.Shelikestoplaywiththechild.Heseemstoknowtheway.④TheadjectivefollowedbytheinfinitiveE.g.Iamverygladtoseeyou.Heiseagertowin.⑤InfinitivestructureactsasE.g.Hewasalwaysthefirsttocomeandlasttoleave.ThenexttraintoarrivewasfromNewYork.⑥InfinitivestructureactsasadverbialE.g.Istayedtheretoseewhatwouldhappen.(ngthiswithexplanation)StepIIIGrammarT:Nowpleasegothroughtheactivity1andtofindallinfinitivestructures,thenlusiftheygiveessentialorextrainformation.PossibleThewindisstrongenoughtomoveTheadjectivefollowedbytheWewereadvisednottogoInfinitivestructureactsasIt’sfrighteningtobecyclingtoworkinInfinitivestructureactsasThereisnothingtobeInfinitivestructureactsasIamthe inmyfamilytobeeninaInfinitivestructureactsasTohavebeencaughtinasandstormwasterribleInfinitivestructureactsas(AskstudentstochecktheAskstudentstofinishactivity2&3thencallbackthestructureacts1.Itisdangeroustotravelduringa2.Expertshopestructureactsas3.Weweretoldnottoleavethestructureactsas4.Theworkonthehouseneedstobecompletedbytheendoftheweek.structureactsas5.Mosthousesseemtohavebeendestroyedbythestructureactsas1.1.toto2.tolearn3.l4.tobecompleted5.tomiss6.tobefinished①Someadjectivesmustbefollowedby“to”:glad,sorry,lucky,free,sure,likely,able,afraid,willing,ready,anxious,careful,foolishetc.21*cnjy*comhavetomeans“不得不③Someverbsmustbefollowedby“to”asobjective：like,want,hope，expect,wish,tryetc.Setphrasesso+adj.+asto;such(…)asto….;…enough(forsb)to….;too……to…;onlyto….(表示未曾料到的結(jié)果)etc.StepIVGrammarT:PleaseturnyourbooktoPage36.Atthebeginningoftheclass,ItoldyouthattheInfinitivestructurehastwotypes.Oneisto-infinitive,theotherisbareinfinitive.Nowlet’slookatthesecondtypeoftheInfinitivestructure.“but+infinitive”oneofthebareinfinitive.WhoknowshowtousethisS:Wedon’tT:Ifthereisaword“do”beforetheconjunction“but”weshouldusebaree.g.wehavenothingtodonowbutwait.Tomneverdoesanythingbuttalk.Ifthereisno“do”beforetheconjunction“but”weshoulduseto-e.g.Theydesirednothingbuttosucceed.IhavenochoicebuttoaccepttheT:Now,lookattheEx.1&2onpage36andfindthePossibleWeWedonothingexcepttotalk.(“but”,IhavetofeelveryconcernedbecauseIcan’tdohelp.(我只能擔心，因為我?guī)筒涣四鉮elp是名詞)Ican’tdoanythingbutwonderwhatwillhappen.(么，我不想作任何事情，言外之意就是，我非常想知道將發(fā)生什么事1.1. 2. 3. 4. 6.Possiblehelpvt.應有賓語，所以判斷此句中help是名詞，完整形式應是“dochosevt.又因but因為but前有"do”1do①口語中go,come后可不用toGolher.去吧。Comehaveaglass.②在than后不帶IwouldrathergothanstayYoucannotdobetterthango.③在一些固定詞組中省去hear,make,let,see,但在語態(tài)中要加上。why引導的省略句中省去to.WhynottryStepCompletetheexercises1,2,3&4onPageTheFourthPeriodTeachinggoals教學目Targetlanguage目標語aatmosphere,carbon,dioxide,chemical,environment,garbage,melt,pollution,recycle,coastal,concerned,evidence,major,urgent,pollutebTreestakeincarbondioxideandgiveoutoxygen.Whathappenstoyourrubbish?WhatneedstobedonetoimprovetheAbilitygoals能力EnabletheSstounderstandthedamagecausedbynaturalEnabletheSstohaveagoodunderstandingoftheimportanceofprotectingLearningabilitygoals學能目EnabletheSstotakesomemeasurestoprotectourTeachingimportantpoints教學重Listentothespeechaboutenvironmentalproblemsmadebyanexpertanddifferentmeasurestakenbydifferentcountries.Teachingdifficultpoints教學難Listenforcorrectinformationandfindoutwaystosolvetheproblems.Haveafurtherdiscussionondealingwithrubbish.cCooperativeTeachingaids教具Arecorder,andaslideTeachingprocedures&ways教學過程與方StepI.CheckexerciseonPage85.Choosethecorrectanswer.Suchpeople A. B.to C.tobe D.tobeThereisnothingtodo tillitstopsA.to B. C. D.I’msorry yousomuchtrouble.AndthankyouforyourA.to B.tohave C. D.Tomissaid abroad,butIdon’tknowwhatcountryhestudiedA.tohave B.to C.tobe D.tohavebeen lateinthemorning,BobturnedofftheA.Tosleep B.SleeC.Sleep D.HavingsleptKeytotheexercise:1. StepII.ListeningandVocabularyDealwithvocabularyfirsttomakepreparationsforlistening.ThentheSswillhearaspeechaboutenvironmentalproblemsmadebyanexpert.Thensolveallthequestionsinthispart.T:Firstlet’shavearevisionofsomewords.Takeoutyourexercisebookandwe’llhaveadictation.Writedownthewordsthatyouhear.Listentomecarefully.No.1,what’stheairaroundtheearthcalled?S1:T:OK,writedowntheword.Thesecondone,whenwebreathe,webreatheinoxygenandbreathout S2:CarbonT:Writedownthisword,too.No.3isasubstanceusedinchemistry.Whatisit?S3:Chemical.T:No.4,itmeansabadeffectonsomeoneorsomethingcausedbyanearthquakeoraS4:T:No.5referstothedamagetotheenvironmentbecauseofchemicals,carsandS5:It’sT:No.6referstothenaturalworld:theland,air,water,plantsandanimals.S6:It’senvironment.T:No.7,what’sanothernameforrubbish?S7:Garbage.T:No.8,itdescribesaprocessthatamatterchangesfromsolidtoliquid.S8:Melt.T:No.9referstotreatingsomethingsothatwecanuseagain.S9:Reuseorrecycle.T:Thelastonereferstothemostnorthernandsouthernpointsonearth.S10:ThePoles.T:That’sallforourdictation.NowexchangeyourexercisebookwithyourThenturntoP35.ChecktheListentothetapeforthefirsttimeandpausewhereit’snecessary.Thenchecktheanswerswiththewholeclass.T:Areyouready?Let’slistenforthefirsttime.PleasepayattentiontothetopicsmentionedinActivity2.PlaytheT:Haveyougottheanswers?S1:Yes.AskstudentstopresenttheirGothroughthewordsinthetableandmakesuretheyunderstandallthemeaningofeachword.ThengivestudentssometimetoreadthequestionsandlistenfortheT:Let’slistentothetapeagain.P