必修五 Unit5 First aid-Reading I

ReadingIFirstaidforburnsWhatthingsathomecanbedangerous?electricalequipmentelectricwirespoisonskniveshotwaterglassBrainstorminggaspetsPre-readingWhatkindoffirstaidwouldyouperforminthissituation?Makealistofyourideas.Cooltheareaofskin;washitunderthecoldrunningwater.Coverthewoundwithbandage/cleancloth.Seeadoctorifnecessary.I.Skimforgeneralideaandthennumberthemfrom1to5.__thethreetypesofburns__whattodoifsomeonegetsburned__thefunctionsoftheskin__thesymptomsofburns__howwegetburns314251.Whatcanskindoforourbody?________________________________________________________________________________________________________________________________________1.Actasabarrieragainstdisease,poisonsandthesun’sharmfulrays.2.Keepyouwarmorcool.3.Preventyoufromlosingwater.4.Giveyousenseoftouch.II.Scanning2.Youcangetburntby:________________________________________________________________________________________hotliquidssteamfireradiationthesunelectricityorchemicals3.Howmanytypesofburnsarethere?Whatarethey?1.Firstdegreeburns.2.Seconddegreeburns3.ThirddegreeburnsEx2Labelthesepictureswithfirst,secondandthirddegreeburn.seconddegreefirstdegreethirddegreeThethreelayersofskin:ThethirdlayerThesecondlayerThetoplayerIII.Detailreading:FillingintheblanksTypesCharacteristicsFirstdegreeburnsAffectthetop_____oftheskin.Dry,redandmildly__________painfulTurnwhitewhen______.layerswollenMildlypressedTypesCharacteristicsSeconddegreeburnsaffectboththe______________layeroftheskin._____,redandswollenextremelypainful_____waterysurfaceThirddegreeburnsaffect_____layersoftheskin.swollen;tissuecanbeseen.___________pain_____________andcharredtopandthesecondallthreeroughlittleornoblistersblackandwhiteIV.ReadthepassageanddecidewhetherthefirstaidtreatmentisRight(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.WWRREx3Answerthequestions1.Whyshouldyouputcoldwateronaburn?2.Whydoesn’tathirddegreeburnhurt?Becausethecoldwaterstopstheburningprocess,stopsthepainandpreventsorreducesswelling（肿）.Becauseinathirddegreeburnthenerveshavebeendamaged.Iftherearenonerves,thereisnopain.3.Whydoyouthinkclothesandjewellerynearburnsshouldberemoved?4.Ifsomeonehasathirddegreeburn,whymightyouseetissue?Becausebacteriafromtheclothesandjewellerycouldinfecttheburns.Becausealllayersoftheskinhavebeenburntshowingthetissueunderneath.1.Samknockedoverakettlefullofboilingwaterontohislegs.Hislegsbecamered,swollenandcoveredwithblisters.Sambroketheblistersandpouredicywaterfromthefridgeontotheskin.()WEx4RightorWrong2.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