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人教课标版高二必修5Unit5ReadingIFirstaidforburnsWhatthingsathomecanbedangerous?electricalequipmentelectricwirespoisonskniveshotwaterglassBrainstorminggaspetsPre-readingWhatkindoffirstaidwouldyouperforminthissituation?Makealistofyourideas.Cooltheareaofskin;Washitunderthecoldrunningwater.Coverthewoundwithbandage/cleancloth.Seeadoctorifnecessary.skinorganbarrierpoisonraycomplexvarietyliquidn.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Wordspreviewradiationmildmildlypanstovetissueswelln.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scissorsunbearablebasinbandagevitaln.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electricshocksqueeze…outoverandoveragain触电;电休克榨出;挤出反复;多次ExpressionspreviewSkimforgeneralideaandthennumberthemfrom1to5.__thethreetypesofburns__whattodoifsomeonegetsburned__thefunctionsoftheskin__thesymptomsofburns__howwegetburns31425Reading1.Whatcanskindoforourbody?________________________________________________________________________________________________________________________________________1.Actasabarrieragainstdisease,poisonsandthesun’sharmfulrays.2.Keepyouwarmorcool.3.Preventyoufromlosingwater.4.Giveyousenseoftouch.I.Readthepassagecarefullyandgettheanswerstothequestions.Comprehension2.Youcangetburntby:________________________________________________________________________________________hotliquidssteamfireradiationthesunelectricityorchemicals3.Howmanytypesofburnsarethere?Whatarethey?1)Firstdegreeburns.2)Seconddegreeburns3)ThirddegreeburnsII.Labelthesepictureswithfirst,secondandthirddegreeburn.seconddegreefirstdegreethirddegreeThethreelayersofskin:ThethirdlayerThesecondlayerThetoplayerIII.Detail-reading:Fillingintheblanks.TypesCharacteristicsFirstdegreeburnsAffectthetop_____oftheskin.Dry,redandmildly___________painfulTurnwhitewhen______.layerswollenMildlypressedTypesCharacteristicsSeconddegreeburnsaffectboththe______________layeroftheskin._____,redandswollenextremelypainful_____waterysurfaceThirddegreeburnsaffect_____layersoftheskin.swollen;tissuecanbeseen.___________pain_____________andcharredtopandthesecondallthreeroughlittleornoblistersblackandwhiteIV.DecidewhetherthefirstaidtreatmentisRight(R)orWrong(W).1.Whensomeoneisburned,youshouldplacesomeiceonhiswound.2.Thefunctionofcoolwateristopreventandreduceswelling.3.Weshouldputdampclothsontheseconddegreeburns.4.Weshouldn’tbreaktheblisters,ortheywillmakethewoundinfected.WRRR5.Sometimes,wecanputoilorointmentsonburnstostoptheinfection.6.Weshouldmakesurethebandagewon’tsticktotheskinwhenitisused.7.Ifburnsareontheface,weshouldmakethevictimsitup.8.Coldwatercanbeusedinthreetypesofburns.WWRRPost-readingAnswerthequestionsinyourownwordsaccordingtothepassage.1.Whyshouldyouputcoldwateronaburn?2.Whydoesn’tathirddegreeburnhurt?Becausethecoldwaterstopstheburningprocess,stopsthepainandpreventsorreducesswelling（肿）.Becauseinathirddegreeburnthenerveshavebeendamaged.Iftherearenonerves,thereisnopain.3.Whydoyouthinkclothesandjewellerynearburnsshouldberemoved?4.Ifsomeonehasathirddegreeburn,whymightyouseetissue?Becausebacteriafromtheclothesandjewellerycouldinfecttheburns.Becausealllayersoftheskinhavebeenburntshowingthetissueunderneath.1.Samknockedoverakettlefullofboilingwaterontohislegs.Hislegsbecamered,swollenandcoveredwithblisters.Sambroketheblistersandpouredicywaterfromthefridgeontotheskin.()WReadthefirstaidtreatmentsfortheseburns.Ifthetreatmentisright,writeR.Ifitiswrong,writeWandexplainwhy.2.Whileironingclothes,MissGoodaccidentallytouchedtheiron.Herwristblisteredandbecamewatery.Ithurtalot.Sheputherwristunderthecoldwatertapandthenkeptplacingcool,clean,dampclothsonituntilitwaslesspainful.Thenshewenttoseethedoctor.()R3.MrsCasey’ssleevecaughtfirewhileshewascooking.Herarmlookedterriblebutitdidn’thurt.Theskinwascharred.Herhusbandtookoffherblouseandpickedoffbitsoftheblousestucktotheburn.Hethenplacedbutterontheburnandcovereditwithawetbandage.()W4.Afteranhourinthesun,Lilynoticedherarmswereredandhurtabit.Shewenthomeandputthemundercoolrunningwater.()R补充•senseoftouch•senseofsight•senseofhearing•senseoftaste•senseofsmell•senseofhumour•senseofbeauty•senseofurgency触觉sense视觉听觉味觉嗅觉幽默感美感紧迫感Tryourbesttogivethemeffectivefirstaidiftheyareindanger.LifeispreciousWeshouldcareaboutothers,andhelppeopleinanemergency.1.Getmoreaboutfirstaidfromthenewspaper,magazineortheInternet.2.Findouttheimportantanddifficultwordsandexpressionstoyouandfinishexercisesonpage36.