高中必修moduleSandstormsinAsia学案教案 19页

必修三模块四SandstormsinAsia学案(佘承玉)课型设计与课时分配:1stperiodVocabularyLearning2ndperiodSpeaking(introduction,pronunciation,speaking1&2)3rdperiodIntensiveReading(readingandvocabulary)4thperiodGrammar(grammar1&2)5thperiodListening(listeningandvocabulary,everydayEnglish)6thperiodExtensiveReading(culturalcorner)7thperiodWriting(writingandtask)Period1VocabularyLearning1.单词重现2.沙尘暴n.)3.吓人的可怕的(adj.)使..害怕(v.)(感到)害怕的(adj.)4.内陆的(adj.)5.大量的的，规模的(adj.)6.战役活动(n.)7.沙丘(n.)8.沙漠化(n.)沙漠(n.)遗弃的(adj.)9.进程过程(n.)10.公民市民(n.)11.沙尘灰尘(n.)沾满沙土的(adj)12.预报预告(v.)预报员(n.)13.力量力气(n.)加强增强(v)14.骑自行车(v.),骑自行车者(n).15.面罩(n.)16.大气(层)，气氛(n.)17.碳(n.)18.化学药品(n.)，化学的(adj.)化学(学科)(n.)19.环境(n.)周围的，环境的(adj.)20.废料，垃圾(n.)21.融化(vi.)融化的，溶解的(adj.)22.污染(n.)污染(v.)23.再循环(v.n.)24.沿海的(adj.)海岸线(n.)\n1.关心的，担心的（adj.）2.证据，证明（n.）明白的明显的（adj.）3.主要的多数的（adj.）多数大半（n.）4.紧急的（adj.）迫切地（adv.）5.污染（v.）污染（n.）6.抱怨（v.）抱怨（n.）7.简单一句话（n.）8.恐怖的吓人的（adj.）恐吓惊吓某人（v.）9.绝对地完全地（adv.）绝对的（adj.）10.保护（n.）保护（v.）II.短语集锦1.砍到2.阻止…干•一3.保护•一不受•一的侵害4.只有做••・.5.挖出6.放出发出7.简言之8.醒来后面对…清醒地意识到9.遭遇到…10.吸收欺骗11.对…有影响12.带走拿走13.一个接一个地14.允许某人做…15.认真严肃地考虑…m.单词演练1Matchthewordsontheleftwiththeirdefinitionsontheright..ForecasttotreatsomethingsothatwecanuseitagainCycletochangefromsolidtoliquid,e.g.icebecomeswaterPollutionaseriesofnaturaldevelopmentsoreventsthatproducegradualchangeMelttosaywhatwillprobablyhappenRecycledamagetotheenvironmentbecauseofdirtythingsMassapersonwholivesinaparticulartownorcountryConcernedthephysicalpowerandenergythatmakessomeonestrongMajortorideabicycle\nComplainalargenumberofUrgentimportant,greatCampaignsaythatoneisdissatisfied,unhappy,…citizenworriedprocessneedimmediateattention,actionordecision…strengthmilitaryoperationsorparticularorplannedactivitieswithaparticularsocial,commercialorpoliticalaim1Fillintheblanksineachsentenceaccordingtothemeaning.Changetheformifnecessary.1.Sandstormscanbefjustafewhoursbeforetheyarrive.2.Thisboxistooheavyandit'stoomuchforhiss.3.Theydiscussedtheprobleminafriendlya.4.Asthedevelopmentofscienceandtechnology,theworldisfacemoreandmoreseriousenvironmentalp.5.Aschildrenweshouldbemuchcaboutourparents'health.6.Don'talways（抱怨）yourpartnersmistakes.7.A（化学）changetakesplaceinanysubstancewhenitburns.8.AsChinese（公民），weshouldtryourbesttoimprovetheenvironment.9.Underthe（保护）ofthesunglasses,oureyeswon'thurtinthestronglightofthesun.10.Hissuggestionsare（完全地）reasonable.3.DoalltheactivitiesaboutVocabularyinthetextbook,includingtheonesintheWorkbook.Forexample:P31,Activity1&2;P33,Activity2&3;P35,Activity1;P86Activity6,7&8.Period2Speaking（introduction,pronunciation,speaking1&2）SteplTalkaboutthefollowingpicturesinyourownwords.（Showthemthepicturesofsandstorms.）Forexample:51:InthefirstpictureIcanseeamanisridingabikehard.Theskyisyellow.\nT:Canyouseethebuildingsclearly?51:No,theyarenotclear.T:Thankyou,sitdownplease.52:InthesecondoneIcanfindsomebuildings,butIcannotseethemclearly.Maybethecityisinthesandoranythinglikethat.53:InthethirdoneIcanseeaverytallbuildingonly.Thereismuchsandinthesky.T:Verygood.Thankyou.54:Inthenextpicture,Icanseemanypeopleridingbikeswearingmasks.Theweatherisverycold,becausetheywearglovesandmoreclothes.T:Howabouttheair?Isitclean?55:Theairisnotclean.Thereissomethinglikesandintheair.T:Quiteright!56:Inthefifthpicture,thereisastrongwindcarryingsand.Itlookslikesmoke.57:Inthelastone,therearesomebuildingscoveredwiththick,yellowdust.T:Excellentjob!Thankyoueverymuch.Now,whocantelluswhythereissomuchsandinthesky?Thewindthatcarrysandarecalled…58:Sandstorm.T:Verygood.Yes,theyarecalledsandstorm.Ifyouwanttoknowmoreaboutsandstorm,let'scometoModule4SandstormsinAsia.StepIIWarmingupT:Openyourbooksonpage31.Lookatthepictureinyourbooks,whatcanyouseeinthepicture?51:Thereisastrongwindcarryingsandinthesky,andacarcoveredwithsandrunningslowly.T:Right.Now,completethesentencesusingthecorrectformofwordsinthebox.Threeminutes.Answers:sandstorm,lasts,frightening,blows,buried,After3minutes,asksomestudentstosharetheiranswers.T:Fromthisshortparagraph,wecanseethesandstormisfrightening.Haveyoueverexperiencedthesandstorm?Howdoesitbecreated?Beforewediscussthesequestions,let'slookatsomewordsonthescreen.Dig,earthquake,protect,sign,thePacificOcean(showthewordsonthescreen,andexplainthemeaningtothestudents.Dividethewholeclassintoseveralgroupstodiscussquestionsinactivity2.Thencallbacktheanswers)52:Mostofthesandstormsbeginindesertareas.Becausetherearenotreesandgrassesinthedesertareas.Thewindisverystrong.53:Climatechangingcancreatedeserts,butnowadays,thedesertsarebeingenlargedbecauseofhumanity.54:Desertsarealsocreatedbecausepeoplecutdowntreesanddigupgrass.T:Whypeoplecutdowntrees?55:Theywanttogetwoodortoplantcrops.56:Fewyearsago,JapanwasaffectedbythesandstormscomingfromnorthwestChina.AndAmericaisalsoaffectedbysandstorms.Somearecausedbyhumanity;somearefromAsiablownacrossthePacificOcean.Sandstormhasbeenaglobalissue.T:Verygood,thankyou.Canwepreventit?57:Yes.Atpresent,ourChinahascarriedoutmanyplanstopreventsandstorm.Forexample,Chinahasformedaprofessorcommitteetostudyhowtopreventsandstorms.Wehaveplantedmanytreeseveryyear.Cuttingdownthetreesisunlawful.Thedegreeofsandstormisondecline.Sowecanpreventit.Webelieveourselves.T:Quiteright.Ibelievetoo.Wheredoesthesandstormoftenhappen?58:theinlandregionhasmoresandstormsthantheonenearthesea.Becausetheinlandisdrierthantheonenearthe\nsea.T:Canyougiveusthereason?51:Dryweatherisoneofthemainreasonsforsandstorms.T:Quiteright.You’vedoneverywell.Fromthisactivity,you’vegotmuchinformationonsandstorms.Sandstormisverybad.Itpollutestheair,affectsourdailylife.Ifyouareinasandstormwhatshouldyoudo?Nowworkinpairstodiscussthequestionsinactivity3.(5minuteslater,callbacktheanswers)51:IfIaminasandstormIwillwearamasktoprotectmymouthandthroat,wearapairofglassestoprotectmyeyes.52:BesidesmaskandglassesIwillwearahat.Becausethereismuchsandintheair,itwillmakemyhairdirty.T:Youareright.Inasandstorm,youshouldwearamaskandahat,apairofglassesisalsonecessary.Whichoneismoredangerous,earthquakeandsandstorm?53:Ithinkearthquake.Becauseinsandstormwecanstayathometoprotectus,butinearthquakeeverywhereisdangerous.T:Iagreewithyou.WhereinChinadosandstormsusuallyhappen?Whatisthefirstsign?54:InthewestandnorthwestChina.55:ButitalsohappensinBeijingoften.56:Beforethesandstorm,thereisusuallyaheavywindanddryweather.57:Theskyisyellow.58:Oneafternoonoflastspring,whenIwasatschool,theskywasyellow.Therewasmuchsandinthesky.Thewindwasverystrongwithsomedropsofrain.Infact,itwasnotrain.Itwasmud.Atthattime,Ithoughttheearthquakewascoming.Itwasveryterrible.T:Itwasreallyterrible.Thankyou.NowIthinkallofyouhaveknownaboutsomethingofsandstorm.Thesandstormisterribleandharmful.Weshouldworkhardtoprotectourenvironment.StepIIIPronunciationandFunctiononP36Listentothetapeandaskstudentstounderlinethewordsstressedandconcludewhenandwherethewordwillbestressed.Thenaskstudentstopracticeactivity1&2.Listenagaintocheckifthestressisright.AskstudentstocompletethesentencesinEx.3usingexpressionsfromEx.1&2.StepIVSpeaking1&2onP37T:Supposeyouareacitizen.Thereisasandstorminyourcity.Areporterwantstointerviewyouaboutthissandstorm.Makeadialogueaboutyourinterviewwithyourpartner.51:Goodafternoonsir,Iamareporteroflocaltelevisionstation.MayIaskyousomequestionsaboutthesandstormhappenedinthemorning?52:Ok.51:Whenthesandstormhappened,whatwereyoudoing?52:Iwascyclingontheroad.51:Beforethesandstormcoming,didyouknowitwasthesandstorm?Orweretheresomesignsofthecomingsandstorm?52:Yes.IlearnsomesandstormsignsfromTV.SoItriedhardtoride,butthewindwassostrong.51:Canyoutellmesomesignsofthatsandstorm?52:First,thewindwasbecomingstrongerandstronger,itlookedliketherainwascoming.Icanhardlyridemybike.Thedustonthegroundwaswhirledintothesky.Andtheskywasturnedintoyellow.Thedustbecamemoreandmore.Icanhardlyopenmyeyes.Iknewitwouldbeasandstorm.51:Itwasterrible.Canyougiveussomeideastopreventthesandstorm?52:Fromtelevision,wecanseemostofthesandstormsarecausedbyhuman.Insteadofcuttingdowntreesanddigginggrassweshouldplantmoretreesandgrasses.51:Iagreewithyou.Ithinkafterthissandstormmostofpeoplewillbewaken.Thankyou.T:Welldone.Thankyou.Nowwehaveknownmostofthesandstormshavebeencausedbythedestroyedenvironment.\nArethereanyotherthingsthatarebadfortheenvironment?Ss:Yes.Forexample,coal.T:Inwhatway?Ss:Itgetsofflotsofsmokeandpollutestheair.T:You’reright.Ss:Plastic.Inourdailylife,peopleusemanyplasticbagsandthrowthemaround.Whenthereiswind,theplasticbagsthrownwillflyeverywhere.Ss:Incanteenmanystudentsuseplasticbagstoholdtheirmealandthrowthemawaythen.Ithinkweshouldnotusethemfirstandsetamodal.Ss:Likerefrigerator,moreandmorecarshavecomeintofamilies.Theygiveoutmuchchemicalsmoke,especiallyincities.Itisbadforourhealth.Ss:Cuttingmoretreeswillnotonlycausesandstormsbutalsoenlargethesandarea.T:Welldone,boysandgirls.Sincewehaveknownsomanythingsarebadfortheenvironment,whatshouldwedotoprotectourenvironment?Ss:Weshouldplantmoretreestofreshourair.Ss:Weshouldthrowtherubbishintothedustbinandnotthrowthemanywhere.Ss:Ithinkthemostimportantthingweshoulddoistoorganizeanorganizationtomakepeoplearoundusknowtheimportancetoprotecttheenvironment.T:Ok,whatyoutalkaboutisveryhelpful.Pleaseprepareitafterclassifyouwant.Ifyouneedhelp,pleaseletmeknow.Thisclasswehavelearntsomethingaboutsandstorms,andhavediscussedthingsthatpollutetheenvironment.Sincethepollutionissoserious,weshouldtryourbesttoprotectourenvironment.Nowwhatyoushoulddoafterclassistoturnyourideaintopractice.Period3IntensiveReading(readingandvocabulary)Step1Pre-readingT:NowIwillgiveyoufiveminutesandreadthewholepassagequickly,findtheanswerstothequestionsonthetopofthispage.1.Thereisaterriblesandstorm.2.Shewearsamask,scarf,andheavyclothes.Becausethereisastrongsandstorm.3.Trafficmovesveryslowlybecausethethickdustmakesitdifficulttosee.4.Theexpertadvisespeoplenottogoout.After5minutes,checktheanswers.T:Now,who'dliketotalkaboutthefirstquestion?volunteer!51:I'dliketotry.FrompictureIknowthatasandstormhappens.Itisfrightening.T:Quiteright.Nextquestion?Whowanttohaveatry?52:Thereisawomanpullingabikeinafrighteningsandstorm.Thecyclistwearsamaskandapairofgloves.Shewearsahat.T:Thankyou,verywell.Howaboutnextquestion?53:Thetrafficwillbeveryslow,becauseinthesandstormthereismuchsandinthesky.Thedrivercannotseethingclearly.T:Quiteright.Thelastone,whogottheanswer?54:Ithinktheexpertsadvisepeopletostayathomeandnotgoout.Whilegoingout,youshouldwearamask.T:Thankyou.Sitdownplease.Now,afterwevelearntthistext,wewillknowhowtoprotectourselves,ifthereisasandstorminourcity.Ofcourse,wedonothopeithappensinourcity.\nStep2ReadingT:Turnyourbooksonpage33.Lookattheactivity2&3,readthetextquicklyagainandcompletethesetwoactivities.Threeminutes.★Skimming:Cycle(v),expert,process,citizen,dust,survive,forecast,situationb,b,a,aAfter3minutes,asksomestudentstochecktheanswers.Showtheanswersonthescreen.askstudentstoreaditsilently★IntensiveReadingT:ReadthewholepassageverycarefullyandcompleteEx.4&5onpage33.Whilereadingunderlinephrasesandsentencesthatyouthinkareimportant.Readitsilentlyandtrytogetthegeneralideaofthispassage.10minutes.1.Thewindsinasandstormcansometimesbestrongenoughtomovesanddunes.2.WhenRenJianbowaslivinginInnerMongoliaheexperiencedaterriblesandstormindesert.3.SandstormsinChinaappeartohaveincreasedinrecentyearsasaresultofdesertification.4.Cuttingdowntreesanddiggingupgrasscancausetheclimatechangesandmakethelandbecomedesert.5.Trafficmovedveryslowlybecausethethickdustmakesitdifficulttosee.6.ThegovernmentisplantingtreestothewestofBeijingtopreventthedesertcomingnear.(After10minutesasksomestudentstochecktheanswersandshowtheanswersonthescreen.)1.forecasted2.frightening3.survived4.dust5.process6.citizens(Afterstudentstogivepossibleanswers,thenshowthemonthescreen)1.ScientistshavetriedmanywaystosolvethisproblemandinChina,amasscampaignhasbeenstartedtohelpsolveit.2.Youjusthadtohopeyou'dsurvive.3.SandstormsinChinaappeartohaveincreasedinrecentyearsasaresultof“desertification".4.Thisisaprocessthathappenswhenlandbecomesdesertbecauseofclimatechangesandbecausepeoplecutdowntreesanddigupgrass.5.Whenasandstormarrivesinthecity,weatherexpertsadvisepeoplenottogoout.6.Tobecyclinginasandstormisfrightening.7.Alreadythegovernmenthasplantedmorethan30billiontreesandplanstocontinueplantingforthenextfiveyears.(Afterhavingfinishedtheexercises,showtheimportantsentencesonthescreen.Askthestudentstopaymoreattentiontothem.)Step3Completethesummaryofthetext:(1stparagraph)SandstormshavebeenamajorformanyAsiacountriescenturies.ScientistshavetriedmanywaystothisproblemandinChina,acampaignhasbeenstartedtohelpsolveit.Suggestedanswers:SandstormshavebeenamajordisasterformanyAsiacountriesforcenturies.Scientistshavetriedmanywaystosolve,thisproblemandinChina,amass.campaign.hasbeenstartedtohelpsolveit.(2ndparagraph)\nThewindinthesandstormisoftenstrongenoughtomove.RenJianbo,fromdescribedaterriblesandstormhewhenhewasachild."tohavebeen.Therewasnothing.ItwasthemostandthemostdangerousIhavebeenin.Youjusthadtohopeyou'd.inaSuggestedanswers\nThewindinthesandstormisoftenstrongenoughtomovesanddunes.RenJianbo,fromInnerMongoliadescribedaterriblesandstormheexperiencedwhenhewasachild."tohaveOughrtinasandstormisaterribleexperience.Therewasnothingtobedone.ItwasthemostfrighteningandthemostdangeroussituationIhavebeenin.Youjusthadtohopeyousurvive.'d(3rd&4thparagraphs)Sandstormsbegininarea.SandstormsinChinatohavebeenincreasedinrecentyearsasaresultof"".Thisisathathappensbecausepeopletreesandgrass.SandstormssometimesBeijing.wakeuptoanorangeskyandstrongwindsthatthecityinathick,brown-yellow.Thesandstormssometimesallthedayandtrafficveryslowly.Suggestedanswers:Sandstormsbeginindesertarea.SandstormsinChinaappeartohavebeenincreasedinrecentyearsasaresultofdesertification”.Thisis^processthathappensbecausepeoplecutdowntreesanddigupgrass.SandstormssometimesaffectBeijing.Citizenswakeuptoanorangeskyandstrongwindsthatcoverthecityinathick,brown-yellowdust.Thesandstormssometimescontinueallthedayandtrafficmovesveryslowly.(Thelasttwoparagraphs)TheChineseCentralWeatherStationcanasandstormsomeweeksbeforeitarrivesinBeijing.WhentheHuangXiaomei,wholivesinsdifficulttosandstormarrivesinthecity,weatheradvisepeoplenottoBeijingsays,"tobeinasandstormis.Itmakesme.Soifyouwanttogoout,youterwear'adbetThedesertisonly250kilometersawaytothewestofBeijing.Toitcomingnearer,thegovernmentisplantingtrees.Suggestedanswers:TheChineseCentralWeatherStationcanforecastasandstormsomeweeksbeforeitarrivesinBeijing.Whenthesandstormarrivesinthecity,weatherexpertsadvisepeoplenottogoout.HuangXiaomei,wholivesinBeijingsays,“todyelinginasandstormisfrightening.It'sdifficultbtreatheinthestrongwindanddustmakesmejJl.Soifyouwanttogoout,you'dbetteas/kearaThedesertisonly250kilometersawaytothewestofBeijing.Topreventitcomingnearer,thegovernmentisplantingtrees.(Astothispart,listentowholepassagefirst,andthenlistenagainparagraphbyparagraph.Afterlisteningtoaparagraph,askstudentstolookthescreenandfilltheblankswiththeirbooksclosed.Step4LanguagepointsinthetextT:Nowlet'sdealwithsomelanguagepoints.♦Youjusthadtohopeyousundve.Survivevi.continuetoliveorexist~(fromsth),~(onsth),E.g.manystrangecustomshavesurvivedfromearliertime.1cansurvivedon30£aweek.Vt.Continuetoliveorexistinspiteofnearlybeingkilledordestroyed~anearthquake,~shipwrecksurvivorn.personwhosurvived♦asaresultof'desertification".….由于沙漠化的结果desert+ify-fy/-ify”后缀变为verb.desertifyfdesertification♦becausepeoplecutdowntreesanddigupgrass.Cutsthdown(causesthtofalldownbycuttingitatbase)~atree,砍倒一棵树，~trousers,改短裤子，~one'sexpenses^少开支digsthup①breakup(soil,etc)bydigging,②removesthfromthegroundbydiggingDigupthelandforanew\ngarden.为建一座花园而垦地。Wedigupthetreebyhisroots.我们将树连根拔起。♦weatherexpertsadvisepeoplenottogoout.advisesb.(not)todosth.giveadvicetosb;recommendPeriod4Grammar(grammar1&2)StepIPresentationT:Lookatthescreenplease.Payattentiontothephrasesincolor.Dotheyhavesomethingincommon?Whatisthecommonthing?1.Toseeheristoloveher.2.Shelikestoplaywiththechild.3.Iamverygladtoseeyou.4.ThenexttraintoarrivewasfromNewYork.5.Istayedtheretoseewhatwouldhappen.S:Yes.Theyallhavetheword"to".T:Verygood.Thisisthegrammar-infinitivestructurewewilllearnthisclass.Whoknowswhattheinfinitivestructureis.S:Theinfinitivestructureisthephrasethathas“todosth”.T:Verygood,butnotalways.Infinitivestructurehastwotypes.Oneisto-infinitive,theotherisbareinfinitive.Forexample:Youcannotdobetterthango.(bareinfinitive)Toseeistobelieve.(to-infinitive)T:Ok,let'slooksomeusagesoftheinfinitivestructure①Infinitivestructureactsassubject.E.g.Toerrishuman.(subject)Ittakesmetendaystofinishthisproject.(英语中常用it做形式主语，真正的主语是不定式)②InfinitivestructureactsaspredicateE.g.Heis_yettocome.(be+tocome)Theimportantthingistosavelives.③Infinitivestructureactsasobject.E.g.Shelikestoplaywiththechild.Heseemstoknowtheway.④TheadjectivefollowedbytheinfinitivestructureE.g.Iamverygladtoseeyou.Heiseagertowin⑤Infinitivestructureactsasattribute.E.g.Hewasalwaysthefirsttocomeandlasttoleave.ThenexttraintoarrivewasfromNewYork.\n①Infinitivestructureactsasadverbialmodifier.E.g.Istayedtheretoseewhatwouldhappen.(doingthiswithexplanation)StepIIGrammar1T:Nowpleasegothroughtheactivity1andtofindallinfinitivestructures,thentellusiftheygiveessentialorextrainformation.Possibleanswers:Thewindisstrongenoughtomovesanddunes.TheadjectivefollowedbytheinfinitivestructureWewereadvisednottogooutside.Infinitivestructureactsasobject.It'fsighteningtobecyclingtoworkinasandstormInfinitivestructureactsassubjectThereisnothingtobedone.InfinitivestructureactsasattributeIamtheonlypersoninmyfamilytohavebeeninasandstorm.InfinitivestructureactsasattributeTohavebeencaughtinasandstormwasaterribleexperience.Infinitivestructureactsassubject(Askstudentstochecktheanswers)Askstudentstofinishactivity2&3thencallbacktheanswers.1.Itisdangeroustotravelduringasandstorm.Infinitivestructureactsassubject2.Expertshopetolearnmoreaboutthemovementofthunderstorms.Infinitivestructureactsasobject.3.Weweretoldnottoleavethehouse.Infinitivestructureactsasobject.4.Theworkonthehouseneedstobecompletedbytheendoftheweek.Infinitivestructureactsasobject.5.Mosthousesseemtohavebeendestroyedbythestorm.Infinitivestructureactsaspredicate1.towork2.tolearn3.totell4.tobecompleted5.tomiss6.tobefinished7.toseeExplanation:①Someadjectivesmustbefollowedbyto”:glad,sorry,lucky,free,sure,likely,able,afraid,willing,ready,anxious,careful,foolishetc.②havetomeans”不得不”③Someverbsmustbefollowedbyto“asobjective:like,want,hope,expect,wish,tryetc.④Setphrases：so+adj.+asto;such(…)asto・・・.;・・・enough(forsb)to・・・.;tooto…；onlyto•••.表示未曾料到的结果)etc.StepIIIGrammar2T:PleaseturnyourbooktoPage36.Atthebeginningoftheclass,ItoldyouthattheInfinitivestructurehastwotypes.Oneisto-infinitive,theotherisbareinfinitive.Nowlet'slookatthesecondtypeoftheInfinitivestructure.”but+infinitiveisoneofthebareinfinitive.Whoknowshowtousethisstructure?\nS:Wedon'tknow.T:Ifthereisaword"do"beforetheconjunction"but"weshouldusebareinfinitive.E.g.wehavenothingtodo_nowbutwait.Tomneverdoesanythingbuttalk.Ifthereisno"do"beforetheconjunction“butnfinitweshouldusetoE.g.Theydesirednothingbuttosucceed.Ihavenochoicebuttoacceptthefact.T:Now,lookattheEx.1&2onpage36andfindtheanswers.Possibleexplanations:1.Wedonothingexcepttotalk.（可换成"but彳!要去掉t'o"）2.IhavetofeelveryconcernedbecauseIcan'f_dohep心,因为我帮不了你help是名词）3.Ican'tdoanythingbutwonderwhatwillhappen.（除了想知道将要发生什么，我不想作任何事情，言外之意就是，我非常想知道将发生什么事）1.but2.think3.choose4.complaining5.love6.nothingPossibleexplanations:1.helpvt.应启兵语，所以判断此句中help是名词，完整形式应是“dohelp”.2.同上3.chosevt.又因but后是原型。4.因为but前后"do5.同16.do应启兵语其他结构：①口语中go,come后可不用toGotellher.去告诉他吧。Comehaveaglass.来喝一杯吧。②在than后不带toIwouldrathergothanstayYoucannotdobetterthango.③在一些固定词组中省去tohear,make,let,see,但在被动语态中要加上。疑问词why引导的省略句中省去to.Whynottryagain?StepIVHomeworkICompletetheexercises1,2,3&4onPage852Choosethecorrectanswer.1）.Suchpeopleare.A.respectB.torespectC.toberespectingD.toberespected2）.Thereisnothingtodobuttillitstopssnowing.A.towaitB.waitingC.waitD.waits3）.I'sorryyousomuchtrouble.Andthankyouforyourhelp.A.togiveB.tohavegivenC.givingD.gave4）.Tomissaidabroad,butIdon’tknowwhatcountryhestudiedin.\nA.tohavestudiedB.tostudyC.tobestudyingD.tohavebeenstudying1）.lateinthemorning,Bobturnedoffthealarm.A.TosleepB.SleepingC.SleepD.HavingsleptPeriod5Listening(Listeningandvocabulary;EverydayEnglish)ListeningandVocabulary(Page35)1Dealwithvocabularyfirsttomakepreparationsforlistening.ThentheSswillhearaspeechaboutenvironmentalproblemsmadebyanexpert.Thensolveallthequestionsinthispart.2ThenturntoPage38.Let’slistentothetapeforthelasttimeanddealwithEverydayEnglish.3Atlastpresentthetapescript.4Iftimepermits,dealwithListeningandspeaking(WbP88)period6ExtensiveReading(CulturalCorner)ReadthepassageonP39andanswerthequestions.1.HowdocountriesinEuropetrytoimprovetheenvironment?2.Whendidthe“Green”movementbegin?3.Whatdoesthe“Green”movementtrytodo?Askstudentstalkaboutthefollowingtwoquestions:a.ArethereorganizationsinChinawhoseaimistoprotecttheenvironment?b.Whatdoyouknowabouttheorganizations?Ifstudentsdon’tknowany,presentthemsomematerials.Herearesomesupplementaryreadingmaterialsonthepaper.ChinaAdoptsEnvironment-FriendlyWaytoDisposeRubbishChinaisadoptinganenvironment-friendlywayofrubbishdisposalbybuildingitslargestrubbish-burningfueledpowerplantinShanghai,accordingtoFriday'sChinadaily.TheplanttobebuiltinShanghai'sPudongNewDistrictisdesignedtohavethecapacitytogenerate100,000megawattsofelectricityannuallybymeansofthermalenergygeneratedthroughburning365,000tonsofrubbish,thepapersaid.Theproject,expectedtobecompletedinOctober2001,willcost670millionyuan(80.7millionU.S.dollars),includingalow-interestloanof30.17millionofferedbytheFrenchgovernment.Themajorityoftheloanwillbeusedtobuysomekeytechnologyandequipmentfromforthenewpowerplant,anofficialsurnamedTaowhoisresponsiblefortheconstructionoftheplantandtheinstallationoftheequipmentwasquotedassaying.TheplantwillkeepacloseeyeonthedischargeofwastegasandsmokeandfumeemissionsinaccordancewiththeemissionstandardssetbytheEuropeanUnion,saidtheofficial,addingthatthenewplantwillbecomeapilotprojectforneighboringareasofShanghaiandotherbigcitiesintermsofrubbishdisposal.Shanghainowyieldsmorethan10,000tonsofhouseholdwasteeveryday,ofwhich\nabout80percentisburiedafterafermentingproceduretodecreaseharmfulelements.China'sFirstHome-MadeRubbishPowerPlantOperationalChina'sfirstpowerplantusinghomemadeequipmentforgeneratingelectricitywithrubbishwasputintooperationrecentlyineastChina'sZhejiangProvince.Costingatotalinvestmentof90millionyuan(US$10.84million),thisnon-government-runplantisabletohandle320tonsofrubbishperdayandgenerate25millionKWHofelectricityperyear.Smokeandgasdischargedaftertreatment,testedbytheChineseAcademyofSciences,hasmeasureduptotheenvironmentalstandardsetbythecountry.TheNon-governmentEnvironmentalProtectionMovementinChinaONEnvironmentDay(June5)of1993,agroupofChineseintellectualssatintheruinsofapagodainthesuburbsofBeijing,anddiscussedthecurrentlamentablestateofChina'senvironment,andwhatcommoncitizenscoulddotosalvageandprotectit.Ayearlater,theFriendsofNature,thefirstnon-governmentenvironmentalprotectionorganizationinChina,wasfounded.Theorganization,withitsslogan"protectingandbeingfriendlytonature,"indicatesthecommonrecognitionamongChinesepeopleoftheneedforenvironmentalawareness.Intheyearsthatfollowed,Chinesenon-governmentenvironmentalprotectionorganizationsmushroomed.ThemostinfluentialonesincludetheFriendsofNature,theGreenEarthVolunteers,theGlobalVillageofBeijing(GVB),andSenol.Membersoftheseorganizationslooksquarelyatenvironmentpollutionandbravelyadmitthefactthattheprogressofindustrializationgeneratesnegativeeffects.Whilestrugglingtofindtheirownwaysofdealingwiththishugeproblem,theyalsohopetolearnfromtheexperienceofdevelopedcountriesinenvironmentalprotection.In2000,theSophieAwardandtheMagsaysayAward,bothworld-renownedprizesforenvironmentalprotection,weregivenrespectivelytotwoChinese--LiaoXiaoyiandLiangCongjie.BothareleadersofChinesenon-governmentenvironmentalprotectionorganizations.ThiseventgreatlyencouragedthosepushingforwardtheundertakingsofChineseenvironmentalprotection.AdvocatingGreenLifeMembersofnon-governmentenvironmentalprotectionorganizationsaremostlyintellectuals,sensitivetotheneedsoftheenvironment,withastrongsenseofsocialresponsibility.Theymaynotbeenvironmentalprotectionprofessionals,butcompensateforthisintheirenthusiasmandcommitmenttothisundertaking.TheFriendsofNatureisthemostinfluentialorganizationofitskindinChina.Itsmainareasofconcernare:theprotectionofworld-levelrareanimals--suchastheYunnanGoldenMonkeyanditshabitat,andpreventingitspotentialextinctionfromcommercialloggingintheforestitinhabits;theprotectionoftheTibetanantelope,andelicitinghelpworldwidetostopthekillingofthisendangeredanimal;protestingagainstthedestructive\nfellingofnaturalforests;andopenlycriticizingtheindustrialpollutionthatisspreadingallovertheChina.TheGreenLectureisaformofeducationonenvironmentalprotectioninitiatedbytheFriendsofNature.PanWenshiandLuZhi,bothexpertsonpandas,Dr.JaneGoodall,anEnglishexpertonchimpanzees,andChagbaDoje,protectoroftheTibetanantelope,haveallgivenlectures,relatingmovingpersonalexperiencesabouthumanbeingsandnature.TheFriendsofNaturehasitsownspecialcoach,decoratedwiththeimageofaTibetanantelope.Membersoftheorganizationsimplycallitthe"antelopevehicle."Atpresent,theFriendsofNatureiscooperatingwithS.O.F.,aGermanenvironmentalprotectionorganization,onaprogramnamedthe"AntelopeVehicleProject."Onthismobilepropagandacoach,childrencanplaygamesorwatchvideosaboutenvironmentalprotection.WiththesupportofProjectHope,the"antelopevehicle"alsogoestoschoolsinremotevillages.SinceformallystartingonMay31,2000,theprogramhasinitiatedactivitiesinnumerousschoolsinBeijing,HebeiProvince,InnerMongoliaAutonomousRegion,andShanxiProvince,andreceivedawarmreception.ThemainactivityoftheGreenEarthVolunteers,commonlyknownastheGreenEarth,isplantingtreesindesertsandonbarrenmountainslopes.ThefootoftheBadalingGreatWallinBeijing,theEnbeigeDesertinInnerMongolia,andthHukouWaterfallareainShanxiProvince,allbearthetracesofvolunteers'footprints,amongwhomtheyoungestisonlthreeyearsold.BirdwatchingisanotheractivityinitiatedbytheGreenEarth,asameansofunderstandingtherelationshipsbetweenhumankindandnature.ProfessorZhaoXinruoftheBiologyDepartmentofBeijingNormalUniversityhas,since1997,attheinvitationofthebirdwatchinggroup,givenlecturesandinstructiontothegrouponbirdsandbirdidentification.Afteraperiodofstudy,groupmemberscannowdistinguishalmost100speciesofbirds,includingthewhooperswan,thelapwing,andtheheron.TheyhavealsotwiceparticipatedintheHongKongInternationalBirdWatchingContestandachievedimpressiveresults.AccordingtoWangYongchen,founderoftheGreenEarthandjournalistattheCentralPeople'sBroadcastingStation,theorganizationiscurrentlyengagedintheworkofbirdidentification,withtheaimofhelpingvolunteerstogainadeeperunderstandingofbirdsandtherelationshipsbetweenbirdsandhumanbeings.Throughherknowledgeobtainedfrombirdwatching,ZhongJia,avolunteerwiththeGreenEarth,hasfoundthatexcessivelandreclamationhascausedthebirdhabitatinBeidaihetoshrinkdramatically,hencethesteadydwindlingoftheirnumber.ZhongJiamadeanappealbasedonherfindingstotherelevantdepartment,toprotectthisworld-famousbirdwatchingsite.HeractionconcursexactlywiththeGreenEarth'sguideline,i.e.providingascientificbasisforthedepartmentconcernedtostipulatepoliciesonmanagingbirdresourcesandtheirhabitat.In2000,theGreenEarthparticipatedinworkattheBeidaihebirdidentificationstation,thusbecomingthefirstbirdidentificationgroupmainlymadeupofvolunteers.Unlikeotherenvironmentalprotectionorganizations,theGlobalVillageofBeijing(GVB)isparticularlyconcernedwithhumanbeingsandtheircommunity,ratherthancertainspeciesofanimals,plantsorwaterresources.GVBmainlyengagesinpublicizingthe5R(Reduce,Reevaluate,Reuse,Recycle,andRescue)greenlifestyle.LiaoXiaoyi,founderoftheGVB,saysthattheirmainthrustistohelppeoplemakethedecisionvoluntarilytochooseanature-friendly\nwayoflife,exercisetheirrights,andstandbytheirobligationtoprotecttheenvironment.SincethedaytheGVBwasfounded,Liaoandhercolleagueshavemadeinvestigationsintogarbagesortingindifferentcommunities,andhelpedneighborhoodcommitteesinBeijing'sXichengDistricttoestablishpilotgarbagesortingstations.TheGVBhasalsocooperatedwiththeenvironmentalprotectiondepartmenttoestablishChina'sfirstpilotgreencommunityintheJiangongnanliCommunityofBeijing'sXuanwuDistrict.LiaoXiaoyi'sdreamistomakegreencommunitiesintothemostbeautifullandscapeinChinainthe21stcentury.Moreandmorestudentsarejoiningthisdrivetoprotectourenvironment.Environmentalprotectionorganizationsmadeupofstudentvolunteersplayavitalroleinarousingpublicenvironmentawarenessandsocialresponsibility.SenolisthemostinfluentialschoolenvironmentalprotectiongroupinBeijing.Itwasfoundedin1994bytwostudentsfromtheBeijingForestryUniversity.SenolparticipatedinthecampaigntoprotecttheYunnangoldenmonkey,andintheinvestigationandexplorationoftheBeimaSnowMountaininwesternChina.Whenapairofwildgeeselaideggsonamid-lakeislandinPurpleBambooParkinBeijing,membersofSenolpitchedtentsthere,guardingthebirdsinshiftsforamonth,inordertopreventtheeggsbeingtakenawaybyvisitors,andtoensurethatthegoslingshatchedsafely.Manypeopleweremovedbytheirefforts,andbegantoreevaluatetheroleofhumanbeingswithinnature.Manyindividualshaveattractedpublicattentionintheirdedicationtoenvironmentalprotection.In1989,YangXin,aphotographerontheYangtzeRiverraftingexpedition,beganrecordingchangesinthebiologicalenvironmentontheupperreachesoftheYangtzeRiver.Helaterinitiatedacampaigntoprotecttheriverwiththeslogan,"protectthesourceoftheYangtzeRiverandcarefornature."Thisactivityarousedtheconcernofpeoplefromallwalksoflife.AGreenWorldTour,writtenbyTangXiyang,adistinguishedenvironmentalistwriter,isregardedastheencyclopediaofChina'snatureconservation,andamasterpieceonenvironmentalprotectioneducation.ThereareseveralprogramsonenvironmentaleducationonChineseTV,suchas,"StoriesoftheEarth,""EnvironmentalProtectionHour,"and,"AnimalWorld."Therearealsopublications,includingpapersandmagazines,advocatingenvironmentalprotection.GreenBridgeOntheafternoonofJanuary12,2001,thelocalresidentsandthemunicipaldepartmentconcernedattheChunshuyuansubdistrictofficeofBeijing'sXuanwuDistrictheldahearingongarbagesorting.AMr.Anexplainedhowhesortedhisgarbage,separatingitemsmadeoftin,plastic,andpaper,athome.Healsoopenlycriticizedtheshortcomingsofgovernmentworkonenvironmentalprotection,andmadeconstructivesuggestions.Manyresidentsspokeupatthehearing,demonstratinghowenvironmentalawarenesshastakenrootinpeople'sconsciousness.InNovember2000,themunicipalgovernmentofBeijingadoptedGreenEarth'ssuggestiontocarryoutgarbagesortingthroughoutthecity,andreceivedapositiveresponsefromthepublic.LiaoXiaoyi,initiatorofthehearingmentionedabove,believesthatmeetingssuchasthisarethebestchannelsofcommunicationbetweenthegovernmentandthecommonpeople.Theyindicatethatgreencommunitiesmayfulfilltheirfunctionsofmonitoringlawenforcement,andprovidingsuggestionsforthegovernment'spolicymaking."Non-governmentenvironmentalprotectionorganizationsarebridgesbetweenthegovernment\nandthemasses.Theydevelopedrapidlyduringthe1990sinChina,andplayavitalroleinmobilizingcitizenstoparticipateinenvironmentalprotectionundertakings,"saysQuGeping,chairmanoftheEnvironmentandResourcesProtectionCommitteeoftheNationalPeople'sCongress,whostartedworkonenvironmentalprotectionasearlyasthe1970s,andwhohaswonmanyawardsfromtheUnitedNations.LiangCongjiecomparesthegovernmenttoahousewifeinabigfamily.Hesays,"Ifonlythe5R&5Circlesmotherofthefamilydoesthecleaning,whileotherfamilymembersthoughtlesslymessuphergoodwork,thennomatterhowconscientioussheis,itisimpossibleforhertokeepacleanhouse.Andahousewifealsoneedssupervisionandcriticism."Today,theOlympicGamesarenotsimplyasportscontest,butaneventcloselyrelatedtosuchfactorsascultureandtheenvironment.TheChinese,whoareactivelybiddingtohostthe2008OlympicGames,arewellawareofthis.InOctober2000,theBeijing2008OlympicGamesBiddingCommittee,theBeijingEnvironmentalProtectionBureau,andmorethan20Beijing-basednon-governmentenvironmentalprotectionorganizationsjointlysignedtheActionPlanfortheGreenOlympics.TheGlobalVillageofBeijingintroducedthe5R&5Circlesconcept.AccordingtotheGVB,thespiritof5RshouldbetransposedtotheOlympicGames.FiveCirclesreferstotheOlympicGamesflag.LiaoXiaoyibelievesthatBeijing'sOlympicBidisagoodopportunityforChinatodisseminatethe5Rlifestyle--awayoflifethattheGVBhasproposedfromtheverystart.TosupporttheGreenOlympicsmovement,theGVBhasconductedaseriesofactivitiesundertheslogan"GreenOlympicsandGreenLife."TheysponsoredspeciallecturesonenvironmentalprotectionatUniversities,publicizingtherelationshipbetweenenvironmentalprotectionandBeijing'sOlympicBid,anddiscussingeasterncultureandtheessenceoftheOlympicGames.TheGVBalsomobilizedcollegestudentsinBeijingtopublicizegarbagesorting,theutilizationofrecycledpaper,andthebanningofdisposablefast-foodcontainers.MembersoftheGVBaresteadfastlypracticingwhattheypreach,sidebysidewiththestudentstheyrecruited.ALongWaytoGoAlmostallnon-governmentenvironmentalprotectionorganizationsfacetheproblemoffunding.InChinaparticularly,asuitableeconomicenvironmentfornon-governmentenvironmentalprotectionorganizationsisyettobecreated.LiaoXaoyisays,"Atpresent,theshortcomingswithinoursystemoftaxationconstitutethebiggestbarrierinthedevelopmentofnon-governmentenvironmentalprotectionorganizations.Thegovernmentgivesnotaxbenefitstoenterprisesthatmakedonationstosuchorganizations."Thegreenbridgepathdoesnotalwaysrunsmooth.TheFriendsofNatureonceappealedfornofurtherexpansionoftheCapitalIronandSteelCompanyinthedowntownarea,butreceivednoresponseonthisissue.AsfastasChinesenon-governmentenvironmentalprotectionorganizationsmaydevelop,theyarestillfarshortofChina'sneed.Comparedwiththeirforeigncounterpartsinregardtoeducatingthemasses,supervisingtheimplementationofenvironment-relatedlawsandregulations,andpushingforwardthepolicy-makingofthegovernment,Chinesenon-governmentenvironmentalprotectionorganizationsstillhavealongwaytogo.ThisiscurrentsituationregardingChina'senvironmentalprotection.Ontheonehand,somepeoplealreadyacknowledgehowcrucialenvironmentalprotectionis,andunderstandthatitrequiresafundamentalchangeinlifestyle.Ontheother,manypeopleareindifferenttoongoingenvironmentaldamage.ItisobviousthatenvironmentalprotectionwillremainanuphilltaskfortheChineseinthe21stcentury-onethatendorsestheimperativeneedfortheexistenceofsuchorganizations.\nPeriod7Writing(WritingandTask，Page38)Thepurposeofthiswritingisforstudentstodescribeoneenvironmentalproblemandsaywhatweshoulddoaboutit.It’sagoodopportunityforadiscussionabouttheproblemsandthesolutions.Afterthediscussion,theycanwritedowntheproblemsandthewaytosolvethem.Step1LeadinT:Lastclasswehavereadsomematerialsaboutenvironmentalprotection.Doyouknowsomemajorenvironmentalproblems?S1:airpollution,petrolpollution,wastewaterandnoisepollution.T:OK.Therearemanytypesofpollution.Butchooseamajoronearoundyouandfindoutthesolutiontosolveit.Nowdiscusstheprobleminpairsandwritedowninafewsentences.T:Haveyoufinishedit?I’llasksomeofyoutoreadyourshortpassage.51:Onemajorenvironmentalproblemisindoorairpollution.Therearemanysourcesofindoorairpollution.Tobaccosmoke,cookingandheatingappliances,andvaporsfrombuildingmaterials,paints,furniture,etc.causepollutioninsidebuildings.Airpollutioncanaffectourhealthinmanywayswithbothshort-termandlong-termeffects.Soweshouldn’tstayintheroomforalongtime.Weneedtogooutdoorstobreathefreshairanddosomeexercises.52:Onemajorenvironmentalproblemisblackcarbonpollution..Blackcarbonpollutionisthereleaseoftinyparticlesintotheairfromburningfuelforenergy.Nowitconstitutesaseriousandwidespreadproblem,notonlytohumanhealth,butalsototheentireglobalenvironment.Wemustfindanewandless-pollutedenergytoreplacecoal.T:Excellent!NowturntoPage40.Step2TaskThepurposeofthiswritingtaskisforthestudentstodesignaposterthatencouragespeopletolookaftertheenvironment.T:Readthroughthepassagesthatwehavereadinthismoduleandfindoutseventhingsyoucandoinyoureverydaylifeforenvironmentalprotection.T:Haveyoufoundthem?51:Weshouldputwastepaperinaspecialbaginordertorecycleit.52:Weshouldtrytoavoidusingplasticbags.53:Wewillputourleftoverfoodintoaspecialcan.54:Iwon’tsteponthegrassanymore.55:Iwon’tcatchthebird.56:Iwillpersuadepeoplewhosmokenottosmoke.57:Iwilljoinanorganizationthatprotectstheenvironment.T:Nowpreparealargepieceofpaper.Thinkofaheadingforyourposter.(Theteachergoesaroundtheclassroomtohelpstudents)T:Nowshowyourheadingstothewholeclass.\n51:SAVEOUREARTH52:SAVETHEBIRDS53:KEEPOFFTHEGRASS54:NOSMOKING55:LEFTOVERFOODHERET:Nowcompletetheposterwithafewsentencesusingpicturesifnecessary.(Askseveralstudentstoshowtheirposters)Showsampleposter:SAVEOUREARTHPlanttreeseveryyear.Keepoffthegrass.Rideabikeorwalktoworkorschool.Nosmoking.Don'tthrowawayrubbish.Step3WritingAskstudentstoreadthemessageonanInternetenvironmentdiscussiongroupandfindoutthedetailedinformation.ThenwriteamessagetotheInternetenvironmentdiscussiongrouptoshowyouropinionsaboutanenvironmentalproblem.T:NowreadthemessageandanswerthethreequestionsontopofPage90,Activity17.(Afterreadthepassage)T:Haveyoufoundtheanswers?Nowwe'llchecktheanswers.Nowwe'llcometoActivity18.Firstyoushouldchooseatopicandthenfollowtheinstructionstowriteamessage.Step4Suggestedmessage:I'mveryconcernedaboutglobalclimatechange.It'saveryseriousglobalproblemtoday.FromwhatIunderstand,therearemanyfactorsforglobalwarming.Thedoublingatmosphericcarbondioxide,agreenhousegas,wouldcauserisingoceantemperatures,whichwillcauseanincreaseinevaporation.Theaddedwatervapor,alsoagreenhousegas,willenhancethegreenhouseeffect,whichwouldfurtherincreaseglobalwarming.Thereisevidencethatfornearlytwohundredyearsourplanethasbeenwarming.Thisisseennotonlyinclimateobservations,butalsoinsomephysicalandbiologicalindicatorsofenvironmentalchange.Somescientists,supportedbyconcernedenvironmentalorganizationssuchasGreenpeaceandtheWorldWildLifeFund,haveconcludedthatmanyofthepatternsassociatedwiththiswarmingcanbeattributedtothegrowingimpactofhumanactivityontheplanet.Theyhaveforecastthatoverthenexthundredyearswewillcreateaclimateonearththatwillbewarmerthananysofarexperiencedbythehumanspecies.Theybelievethatthisrateofchangemaybeunprecedentedinthehistoryofourplanetandwillbesogreatthatmanyofourecosystemsandwildlifespecieswillfailtoadapt.Inrecentyears,moreandmorepeoplearepayingattentiontothisproblem.Butfewofthemtakethemeasures.Weneedtostoppeoplefromdoingit.Weshoulddoallthatwecantoreducesuchpollution.