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WelcomeVivianaidtemporaryinjurybleedanklechoken.&vt.帮助;援助adj.暂时的;临时的n.损害;伤害vi.&vt.流血n.踝(关节)vi.&vt.(使)噎住;(使)窒息Wordsreviewskinorganbarrierpoisonraycomplexvarietyliquidn.皮;皮肤n.器官n.屏障;障碍物n.毒药;毒害vt.毒害;使中毒n.光线;射线adj.复杂的n.变化;多样化n.液体Wordsreviewradiationmildmildlypanstovetissueswelln.辐射;射线adj.轻微的;温和的adv.轻微地;温和地n.平底锅;盘子n.炉子;火炉n.组织;手巾纸vt.&vi.膨胀;隆起Wordsreviewscissorsunbearablebasinbandagevitaln.剪刀adj.难以忍受的n.盆;盆地n.绷带adj.至关重要的；生死攸关的Wordsreviewelectricshocksqueeze…outoverandoveragain触电;电休克榨出;挤出反复;多次ExpressionsreviewasnakebitebleedingasprainedanklechokingabrokenarmabloodynoseNowadaystherearealotofaccidents.whathappenedinthosepictures?WarmingupWhatisBeforethedoctorcomes,whatisthemostimportant?Firstaidisatemporaryformofhelpgiventosomeonewhosuddenlyfallsillorgetsinjuredbeforeadoctorcanbefound.FirstAidCanyouguesswhatwillhappentothegirl?Whathashappened?Thegirlhaspulledboilingwaterontoherself.Shewillgetbadburns.Pre-readingLookatthepictureReading5Listentothetapeandreadwiththetape.Howmanypartscanthetextbedividedintoandwhatarethey?1.Ourskinhasthreelayers.2.Wewillnevergetburnedbythesun.3.Therearefourtypesofburns.4.Firstdegreeburnsareextremelypainful.5.Coolburnswithcoolbutnoticywater.ScanningTrueorfalsethreemildlyCarefulreadingPara.1thefunctionsoftheskin1.Howmanylayersdoesourskinhave?Threelayers:thetoplayer,thesecondlayerandthethirdlayer2.Whatarethefunctionsoftheskin?topsecondthirdThefunctionsofskin:1)Protectyouagainst,and.2)Keepyouor;3)Preventyoufrom;4)Giveyou.losingtoomuchwatersenseoftouchwarmcooldiseasespoisonsthesun’sharmfulrayssteamfireThesunelectricitychemicalsHotliquidsradiationPara.2CausesofburnsWhatarethecausesofburns?Para3TypesofburnsHowmanytypesofburnsarethere?Whichlayersofskinareaffectedforeachdegree?Affectthetoplayerofskin.Affectboththetopandthesecondlayerofskin.Affectallthreelayersofskin.seconddegreeburnfirstdegreeburnthirddegreeburnDry,redandmildly_____._______painful.Turn_____Whenpressed.______,redandswollen.Extremelypainful.________,waterysurfaceSwollen;_____canbeseen.______or____pain.Blackandwhiteand_______.MildlyLittlenoBlisterscharredswollenRoughtissuewhitePara4CharacteristicsofburnsFirstdegreeSeconddegreeThirddegreeBACseconddegreeburnfirstdegreeburnthirddegreeburnLabelthesepicturesfirst,secondandthirddegreeburns1.________clothingandjewelleryneartheburns.2.___theburnswithcoolbutnoticywater.3.____cool,cleanwetclothsontheburns.4.____theburnedareagently.5._____theburnedareawithadrycleanbandage.6._____thevictim____thedoctororhospital,iftheinjuriesaresecondorthirddegreeburns.Para5TreatmentTakeoffCoolPlaceDryCoverGettoDosDon'ts1.Donot________theclothingthatisstucktotheburns.2.Donotcooltheburnswith_____water.3.Donotputcoolwateron_____degreeburns.4.Donot____butter,oilorointmentonburns.5.Donot____theburns,itwillbreaktheblisters.removeicythirdputrub1.Samknockedoverakettlefullofboilingwaterontohislegs.Hislegsbecamered,swollenandcoveredwithblisters.Sambroketheblistersandpouredicywaterfromthefridge(冰箱)ontotheskin.Discussthefollowingsituations.Ifthetreatmentiswrong,explainwhyandgivethecorrecttreatment.2.Mrs.Casey’ssleevecaughtfirewhileshewascooking.Herarmlookedterriblebutitdidn’thurt.Theskinwascharred.Herhusbandtookoffherblouseandpickedoffbitsoftheblousestucktotheburn.Hethenplacedbutterontheburnandcovereditwithawetbandage.DiscussionBecautiousinourdailylifetoavoidaccidents.Behelpfulwheneverthereisaneed.SummaryHomework1.Searchforasmuchinformationasyoucanaboutfirstaid.2.Trytorememberthetreatmentoffirstaidforburnsinthepassage.Answerthequestions1.Whyshouldyouputcoldwateronaburn?2.Whydoesn’tathirddegreeburnhurt?Becausethecoldwaterstopstheburningprocess,stopsthepainandreducestheswelling.Becauseinthethirddegreeburnthenerveshavebeendamaged.Iftherearenonerves,thereisnopain.4.Ifsomeonehasathirddegreeburn,whymightyouseetissue?Becausetheseaffectallthreelayersoftheskinandanytissueandorgansundertheskin.3.Whydoyouthinkclothesandjewellerynearburnsshouldberemoved?Becausebacteriafromtheclothesandjewellerycouldinfecttheburns.