高中英语Module4SandstormsinAsiaPeriod4IntegratingSkills要点讲解课+情境互动课型课件2外研版.ppt

Module4SandstormsinAsiaListening&Speaking&Writing,1.Studentscanunderstandthenewwordsinthelisteningpart.2.Studentscangetthemaininformationfromthelisteningpassage.,Learningaims,_,pollution,environment,atmosphere,Lookatthepictures,andseewhatwordsyouwillthinkof?,Leading-in,1.atmosphere2.damage3.chemical4.environment5.melt6.recycle7.carbondioxide8.thePoles9.garbage10.pollution,FinishtheexerciseatActivity1,Page35.,Pre-listening,Answers:1.E2.D3.C4.B5.A,ListentothetapeandfinishActivity2,Page35.Thentalkabouttherelationshipbetweenthem.,Listeningpractice,Listentothetape,thenfinishtheexerciseatActivity3,Page35.Answers:1.Theclimate.2.NewYorkandShanghai.3.Becausepollutionisstoppingthesunsheatleavingtheatmosphere.4.Carbondioxidefromcars.5.Thereislessoxygenandmorecarbondioxideintheatmosphere.6.Optimistic.,environment,inanutshell,urgent,climate,alotofevidence,Hotter,warmer,Listentothetape,thenfillintheblanks.Int:David,whatdoyouseeasthemainproblemswiththe_?D.U:Well,_,themost_problemofallisthe_.Theworldsclimateseemstobegettingwarmer.Int:Weveseen_ofthat,haventwe?_summers,_winters,thatkindofthing.,D.U:Yes,wehave.Also,scientistshavefoundthattheiceatthePolesisbeginningto_.Int:Weveheardthattoo.Isthatreallyhappening?D.U:Yes,Imafraiditis.And_inthefuture,theicemaymelt_.Thenitspossiblethattheseacouldriseand_likeNewYorkandShanghaicoulddisappearunderwater.Int:Itsoundsvery_.D.U:Icouldntagreewithyoumore.Its_!,melt,atsometime,completely,coastalcities,frightening,scary,Int:Canyouexplainwhytheclimatesgettingwarmer?D.U:Well,Illdomybest!Its_thatstheproblem.Gasesfromcarsenterthe_and_thesunsheatfrom_theatmosphere.Andfactories_chemicalsthatdothesamething.So_,theclimateisgettingwarmer.Int:From_,carbondioxidefromcarsisamajorproblem.,pollution,atmosphere,stop,leaving,giveout,asaresult,whatIunderstand,D.U:Youreabsolutelyright.Carbondioxideisthegasthatdoesmost_totheatmosphere.Butwehaveaproblemwithtreestoo.Yousee,trees_oxygenand_carbondioxide.Sotheyreveryusefulbecausethey_thecarbondioxide.Int:Iknowwhatyouregoingtosay.Were_allthetrees.,damage,giveout,takein,cutting,useup,down,furniture,situation,allthegarbage,D.U:Yes,wecutthemdownbecauseweneedtheland,andbecauseweusethewoodforpaperand_.Thatleavesmorecarbondioxideintheatmosphere.Int:Itsaterrible_.D.U:Yes,andanotherproblemis_thatweproduce.Weburnalotofgarbage,andonceagain,thegasespollutetheatmosphere.Thatsituationcouldntbeworse,really.,Int:Weshould_garbage,notburnit.D.U:Ofcourseweshould.Int:Itsstrange,weknowallthis,andyetwedo_it.Icanthelpbutfeelvery_.D.U:Yes,well,itis_.Butgovernmentsarebeginningtodosomethingaboutit.Idontthinkitstoolate.,recycle,nothingbuttalkabout,concerned,worrying,Function,Agreements,Disagreements,Icouldntagreewithyoumore.Ithinkyoureabsolutelyright.Idisagreewithyou.IamafraidIcannotagreewithyou.Idontthinkso.,Function:Matching,Fillintheblankswiththephrasesinactivities1and2.1.A:Weneedtoplantmoretrees.B:_Thetrafficinthiscityjustdoesntmove.3.A:Peopledontcareenoughabouttheenvironment.B:_Icantseeanything.Theressandeverywhere.,Icouldntagreewithyoumore./Ithinkyoureabsolutelyright.,Itcouldntbeworse./Itsabsolutelyhopeless.,Icouldntagreewithyoumore./Ithinkyoureabsolutelyright.,Itcouldntbeworse./Itsabsolutelyhopeless.,Speaking,1.Whatarethecausesofsandstorms?2.Whatcanwedotostopthesandstorm?,Workinpairstodiscussthefollowingquestions,Speaking,Causesofsandstorms?,diggingupgrass,cuttingdowntrees,climatechanges,overgrazing(过度放牧),badfarmingmethods,Cues(提示）：,Whatcanwedo?,Keepmoregrass.,Planttrees.,Reuse/Recycle.,Dontusedisposablechopsticks.,Banbadfarmingmethods.,Writing,introduction,causes&results,peoplesattitudes,measures,conclusion,Writing:DiscussionIfyouaretowritethearticledescribingoneenvironmentproblem,howmanypartswillyouincludeinit?Whatwillyouwriteineachpart?,Areyouclearwhathappens?Doyouknowthewritersattitudeandemotion?Arethereanygoodconnectingwordsorphrases?Arethereanygoodphrasesorsentences?Arethereanyspellingmistakes?,Writing:Readyourwritingtoyourpartner.Checkandrewriteyourwritingaccordingtothefollowing.Thenshareitwiththewholeclass.,Writing:Describethepicturesandsaywhatweshoulddo.,EverydayEnglish,ThesewordsandexpressionsaretakenfromListeningandvocabularyactivity2.Choosetherightanswers.1.inanutshellmeans_.(a)inmyopinion(b)toexplainsomethingverysimply,2.Itsscarymeans_.(a)Itsfrightening(b)Itsinteresting,4.fromwhatIunderstandmeans_.(a)ThisiswhatIunderstand(b)IthinkIunderstand5.Youreabsolutelyrightmeans_.(a)Yourecompletelyright(b)Yourealmostright,3.Illdomybestmeans_.(a)Thisisthebest(explanation)(b)IlltryashardasIcan,LanguagePoints,Treestakeincarbondioxideandgiveoutoxygen.树木吸收二氧化碳并且放出氧气。takein此处意为“吸收,吸入(空气、水等)”。【拓展】takein的常见意思还有:(1)把拿进。例如:Pleasetakeyourclothesinincaseitrains.请把你的衣服拿进去，以防下雨。,(2)收容(留)某人住宿。例如:Theteachertookinseveralstudents.这位老师留几名学生住宿。giveout此处意为“放出,散发出”,多指气味、热量等的释放。例如:Therotatingmachinegaveoutalotofheat.旋转的机器散发出许多热。,【知识拓展】giveout的常见意思还有:(1)发(书、报)等。例如:Theteachergaveouttheexampapers.老师分发了试卷。(2)用完,耗尽。例如:Afterfivemonths,theirfoodsupplyfinallygaveout.五个月后，他们的食物供给最终用完了。,Howtowrite?Part1:theenvironmentproblemsPart2:takeactionsPart3:callonpeopletocareforit,Classexercises,参考范文：HelpthePlanet,Asweallknow,theenvironmentpollutionismoreandmoreseriousduringtheseyears.Whatwecandoistomakegreateffortsinprotectingtheenvironment.Infact,wecandomanythingstoimprovetheenvironment,suchasplantingtrees,reusingthethingsthatcanberecycled.Wehadbetternotuseplasticbagsanymore.Noonecanstandthe,“whitepollution”.Writetothelocalnewspaperstoremindeverybodytotakecareofit.Themostim