Unit 5 First aid Reading and Thinking Learn about first aid for burnsLead inLead inDisucss:What did people do to help the boy injured?call 911give first aid120 The types of The types of injuriesinjuries First aid is a temporary form of help given to someone who suddenly falls ill or gets injured before a doctor can be found.The definition of first aida sprained anklebleedinga snake bitechokingPre-readingPre-readingRead the title and guess.What is the text type of the passage?advertisementblog posthospital leafletemailnewspaper articleshort storyFast readingFast readingFind out the main idea of each paragraph.first aid for burns paragraph 1?causes of burnsthe types of burnsthe characteristics of burns the types of burnsfirst aid treatmentCareful readingCareful readingThe skin is an essential part of your body and is its largest organ.Your skin acts as a barrier against disease,toxins,and the suns rays.It also helps control your body temperature,preventsyour bodyfrom losingtoo much water,warns you when things are too hot or cold,and gives you your sense of touch.As you can imagine,getting burnt can lead to very serious injuries.The first and most important step in the treatment of burns is giving first aid.adj.极其重要的n.器官充当.；起.作用n.毒素n.光线，射线触觉as引导的非限定从进行急救阻止，妨碍Read para.1 and summarize the main idea.Careful readingCareful readingRead para.1 and summarize the main idea.The skin is an essential part of your body and is its largest organ.Your skin acts as a barrier against disease,toxins,and the suns rays.It also helps control your body temperature,preventsyour bodyfrom losingtoo much water,warns you when things are too hot or cold,and gives you your sense of touch.As you can imagine,getting burnt can lead to very serious injuries.The first and most important step in the treatment of burns is giving first aid.the functions of skinCareful readingCareful readingCAUSES OF BURNSYou canget burntbya variety of things:hot liquids,steam,fire,radiation,the sun,electricity,acids,or other chemicals.各种各样的n.辐射，放射线n.酸Careful readingCareful readingRead para.3 and answer the questions.1.How many types of burns are there？2.In each type,which layer of the skin is affected?The third layerThe third layerThe second layerThe second layerThe top layerThe top layern.层，表层Careful readingCareful readingTYPES OF BURNSBurnsaredividedintothreetypes,dependingonthedepthofskindamage.First-degreeburnsTheseaffectonlythetopfewmillimetresoftheskin.Theseburnsarenotserious.Examplesincludemildsunburnandburnscausedbyotherminorhouseholdincidents.Second-degreeburnsThesegobelowthetoplayeroftheskin.Theyareseriousandtakeafewweekstogetbetter.Examplesincludeburnscausedbyhotliquids.Third-degreeburnsTheseaffecteverylayeroftheskin,andsometimesthetissueunderit.Examplesincludeburnscausedbyelectricshocks,burningclothes,orpetrolfires.Theseburnscauseverysevereinternalinjuriesandthevictimmustgotothehospitalatonce.被划分成现在分词短语作方式状语毫米(mm)过去分词短语作后置定语触电，电击内伤n.受害者,患者Careful readingCareful readingRead para.3 and answer the questions.1.How many types of burns are there？2.In each type,which layer of the skin is affected?The third layerThe third layerThe second layerThe second layerThe top layerThe top layerFirst-degree burnsFirst-degree burnsSecond-Second-degree degree burnsburnsThird-Third-degree degree burnsburnsCareful readingCareful readingtop few millimeters below the top layerevery layerthe tissuesP 51P 51CHARACTERISTICS OF BURNSFirst-degreeburnsdry,red,andmildlyswollenmildlypainfullturnwhitewhenpressedFIRST-AID TREATMENT1Placeburnsundercoolrunningwater,especiallywithinthefirsttenminutes.Thecoolwaterstopstheburningprocessandreducesthepainandswelling.2Drytheburntareagentlywithacleancloth.3Removeanyclothesusingscissorsifnecessary,unlessyouseethefabricstickingtotheburntskin.4Covertheburntareawithaloosecleancloth.Applyingoiltotheinjuredareasisabadidea,asitwillkeeptheheatinthewoundsandmaycauseinfection.5Ifburnsareontheface,makesurethevictimcanstillbreathe.6Ifthevictimissufferingfromsecondorthird-degreeburns,thereisanurgentneedtotakehim/hertothehospitalatonce.Second-degreeburnsredandswollen;blisters;waterysurfaceextremelypainfulThird-degreeburnsblackandwhiteswollen,thetissueunderneathcanoftenbeseenlittleornopainifnervesaredamaged;maybepainfularoundtheedgesoftheburntop few millimetersbelow the top layerevery layerthe tissuesswollenpainfulwhiteblisterswaterypainfulthe tissue underneathnervescool running waterdryremove anycoverstill breathethe hospital at once微肿的表层渗液皮下组织n.边缘流动的冷水现在分词短语做方式状语if型省略句，省略了its沾到.上将.涂到.上引导原因状从迫切需要做某事when型省略句Careful readingCareful readingDecide if the following statements are true(T)or false(F).1.Your skin gives you protection from many dangerous things.2.A first-degree burn has this name because it is the most serious.3.Second-degree burns can be the most painful kind of burn.4.It is important to use cool water to stop the heat from remaining in the wound regardless of the degree of the burn.5.Putting butter or oil on burns helps because it may reduce swelli。