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1、河北省武邑中学2016届高考英语一轮复习Unit5Firstaid导学案新人教版必修5FIRSTAIDFORBURNSTheskinis___1____essentialpartofyourbodyanditslargestorgan.Youhavethreelayersofskin____2______actasabarrieragainstdisease,poisonsandthesun’sharmfulrays.Thefunctionsofyourskinarealsoverycomple
2、x:itkeepsyouwarmorcool;itpreventsyourbodyfromlosingtoomuchwater;itiswhereyoufeelcold,heatorpainanditgivesyouyoursenseoftouch.Soasyoucanimagine,ifyourskingets_____3_____(burn)itcanbeveryserious.Firstaidisveryimportantfirststepinthetreatmentofburns.Cau
3、sesofburnsYoucangetburnedbyavarietyofthings:hotliquids,steam,fire,radiation(bybeingclosetohighheatorfire,etc),thesun,electricityorchemicals.TypesofburnsTherearethreetypesofburns.Burns_____4_______(call)first,secondorthirddegreeburns,dependingonwhichl
4、ayersoftheskinareburned.●FirstdegreeburnsTheseaffectonlythetoplayeroftheskin.Theseburnsarenotseriousandshouldfeelbetterwithinadayortwo.Examplesincludemildsunburnandburnscausedby_______5________(touch)ahotpan,stoveorironforamoment.●SeconddegreeburnsTh
5、eseaffectboththetopandthesecondlayeroftheskin.Theseburnsareseriousandtakeafewweekstoheal.Examplesincludeseveresunburnandburnscausedbyhotliquids.●ThirddegreeburnsTheseaffectallthreelayersoftheskinandanytissueandorgansundertheskin.Examplesincludeburns_
6、____6_____(cause)byelectricshocks,burningclothes,orseverepetrolfires.Theseburnscauseverysevereinjuriesandthevictimmustgotohospitalatonce.CharacteristicsofburnsFirstdegreeburns●dry,redandmildlyswollen●mildlypainful●turnwhitewhenpressedSeconddegreeburn
7、s●rough,redandswollen●blisters●waterysurface●extremelypainfulThirddegreeburns●blackandwhiteandcharred●swollen;oftentissueunderthemcanbeseen●littleornopainifnervesaredamaged;maybepainaroundedgeofinjuredarea.Firstaidtreatment1.Removeclothingusingscisso
8、rsifnecessary_______7_____itisstucktotheburn.Takeoffotherclothingandjewelleryneartheburn.2.Coolburns_________8_______(immediate)withcoolbutnoticywater.Itisbesttoplaceburnsundergentlyrunningwaterforabout10minutes.(Thecoolwaterstopstheburningprocess,pr
