Unit+2+Natural+disasters+Project+教学设计 高中英语译林版（2020）必修第三册

Unit2NaturaldisastersProjectMakinganinformationfolderaboutrescuemethods内容分析：本板块围绕单元话题,要求学生利用本单元所学语言知识和文化知识，在小组合作中用英语制作一份信息文件夹，介绍自然灾害中不同的救援方法。教学过程中，教师首先可以通过幻灯片展示范例，让学生初步了解信息文件夹的特征;再要求学生集体讨论各种救援方法，以小组为单位，就某一种救援方法进行话题探究和素材收集，并整理筛选相关信息，合理编排制作内容，向全班展示；最后将各组作品放在一起，组成文件夹。教学目标：Bytheendofthissection,studentswillbeableto:knowmoreaboutthedifferentrescuemethods;knowwhattopicsarevaluablewhenmakinganinformationfolder;tellwhatmakesaninformationfolder;knowhowtomakeaninformationfolder.教学重难点：Totellstudentsmanydifferentenvironmentalproblems;Tohelpstudentsconcludewhatmakesaninformationfolder;Toteachstudentshowtomakeaninformationfolder.教学过程：Step1Lead-inQ1:Whatnaturaldisastersdoyouknow?TornadoEarthquakeFloodDrought...Q2:Whatrescuemethodsdoyouknow?SearchandrescuedogsSearchandrescuerobotsLifedetectorsUnmannedaircraftFieldhospitalsSatellitepositioningsystems...Discussion:Ifyouaregoingtointroduceonerescuemethod,whatmethodwillyouchoose?Why?Wechooseunmannedaircraftbecauseitismoreconvenientfordetectingandlocatingsurvivorsindangerousterrainandinaccessibleareas,whichsavesconsiderabletimeinrescueoperation.Step2Howtomakeaninformationfolder?Q1:Howcanwepresentthecollectedinformation?Possibleanswers:MakeabookletMakeascrapbookMakeapptMakeaposter…Pleasemakeaninformationfoldertopresentyourchosenmethod.Q2:Howtomakeaninformationfolder?Step1:chooseaspecificmethodStep2:searchforinformationStep3:organizeyourinformationanddesignyourinformationfolderWherecanyoufindtheinformationyouneed?InternetBooksMagazinesNewspapers...Whataspectsofinformationshouldyoucover?BriefintroductionHistoryAdvantagesanddisadvantagesRealrescuestories...Step3AnexampleIntroductionDogshavebeenveryhelpfulinrescueeffortsonland.Duetotheeffortofwell-trainedsearchandrescuedogs,thousandsofhumanlivesaresavedeveryyear.HistoryTheGreatStBernardHospice,whichwasbuiltin1049fortravellersinSwitzerland,raisedatypeofdogknownastheStBernard.Thistypeofdoghasbeenusedinmountainrescuesforhundredsofyears.AdvantagesanddisadvantagesBecauseoftheirsmallsizeandsharpsenseofsmell,dogscanlocatesurvivorsmuchfasterthanhumanscan.However,ittakesmuchtimeandefforttotrainthem.Also,dogsmaylosetheirsensingabilityiftheyworktoolong.Inthatcase,theyhavetoretire.ArealrescuestoryWhenadestructiveearthquakehitNepalin2015,sixwell-trainedsearchandrescuedogsworkedalongsidemembersoftheChinaInternationalSearchand