book5 unit5 First aid

Whatcanyoudotohelp?asnakebite1.Laythepersondownandkeephimstill.2.Donotwashthevenom(毒液)offtheskin.3.Applypressuretothebittenpartwithyourhands.毒蛇的牙痕为单排,无毒蛇的牙痕为双排。bleedingPutabandageonthewoundandapplypressuretoreducethebleeding.asprainedankleFirst,havethepatientsitdownandraisethefoot.Second,putabandagearoundthefootandankle.Third,putanicepackontheankletoreducetheswelling.chokingMakehim/herspitbypattinghim/herontheback.Don’tslap(拳击)hisback,whichmaymakethingsworse.abrokenarm•Donotmovethepatient.•Keepthearmstillusingabandage.•Getmedicalhelpimmediately.anosebleedsitdownandbendhisheadforwardandpinch(捏)hisnose×Whathashappened?Thinking:Thegirlhaspulledboilingwaterontoherself.Canyouguesswhatwillhappentothegirl?Shewillgetbadburns.Howwillhermotherdealwiththeburn?FirstaidforburnsPre-reading1.Whatdoesthepassagetalkabout?2.Whatdotheytellyouaboutthepassage?Firstaidforburns.Causes,types,characteristicsandfirstaidtreatmentforburns.•_____thethreetypesofburns•_____whattodoifsomeonegetsburned•_____thepurposeofskin•_____thesymptomsofburns•_____howwegetburns1.Inwhichorderarethesetopicscoveredinthetext?Numberthemfromfrom1to5.Part1:ThepurposeofskinThereare______layersofskin.threeTheskinisthe________organ,andalsovery__________.1)Protectyouagainst_________,_________and_______________________;2)Keepyou________or________;3)Preventyoufrom______________;4)Giveyou_____________.diseaselargestessentialpoisonsthesun’sharmfulrayswarmcoollosingwatersenseoftouchCarefulReadingthetoplayerthesecondlayerthethirdlayertissueundertheskinnervePart2CausesofburnsHowcanyougetburned?H2SO4hotliquidssteamfirethesunchemicalsPart3TypesofburnsThereare_______typesofburnsdependingonwhich_______areburned.Firstdegreeburnsaffectonlythe_____layerandshouldfeelbetterwithin_______________.Seconddegreeburnsaffectboththe_____andthe_______layer.Theseburnsare_______andtake______________toheal.threelayerstopadayortwotopsecondseriousafewweeksFirstdegreeburnsDry,redandmildly_______._______painful.Turnwhitewhen________.Seconddegreeburns________,redandswollen.extremelypainful.________waterysurfaceThirddegreeburnsSwollen;______canbeseen.______or____pain.Blackandwhiteand________.Part4CharacteristicsofburnsTypesCharacteristicsswollenRoughtissueMildlyLittlenopressedBlisterscharredthetoplayerthesecondlayerthethirdlayertissueundertheskinnerveBACBlistersandwaterysurfaceMildlyswollenTissueunderthemoftencanbeseenCharacteristicsofburnsfirstdegreeburnseconddegreeburnthirddegreeburn1.______clothingandjewelryneartheburns.2.______theburnswithcoolwater.3.______cool,cleanwetclothsontheburns.4.______theburnedareagently.5.______theburnedareawithadrycleanbandage.6.______theburnedarea______thantheheart,ifpossible.7.______thevictim____thedoctororhospital,ifpossible.Part5FirstaidtreatmentTakeoffCoolPlaceDryCoverKeephigherGetto1.Samknockedoverakettle(水壶)fullofboilingwaterontohislegs.Hislegsbecamered,swollenandcoveredwithblisters.Sambroketheblistersandpouredicywatersfromthefridgeontotheskin.（）Readthefirstaidtreatmentsfortheseburns.Aretheyrightorwrong?2.Whileironing（熨烫）clothes,MissGoodaccidentallytouchedtheiron.Herwristblisteredandbecamewatery.Ithurtalot.Sheputherwristunderthecoldwatertapandthenkeptplacingcool,clean,dampclothsonituntilitwaslesspainful.Thenshewenttoseethedoctor.()R3.MrsCasey’ssleevecaughtfirewhileshewascooking.Herarmlookedterriblebutitdidn'thurt.Theskinwascharred.Herhusbandtookoffherblouseandpickedoffbitsoftheblousestucktotheburn.Hethenplacedbutterontheburnandcovereditwithawetbandage.()W4Afteranhourinthesun,lilynoticedherarmswereredandhurtabit.Shewenthomeandputthemundercoolrunningwater.()R