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Unit5Firstaid教材背景链接DRABC在紧急状况下，掌握急救知识和技能对挽救伤病者的生命非常重要。许多医院建议我们采用DRABC这些字母来记住我们要做的事情。那它们分别代表什么呢？Themostimportantthingtokeepinmindwhendealingwithanemergencyistostaycalm.Bystayingcalmwewillbeabletothinkwhattodoandmakebetterdecisions.havetothinkfast.Dstandsfordanger.Weshouldfirstofallmakesurethattheaccidentsceneisnolongerdangerous.Ifweweretogethurttryingtosavesomeone，wewouldnotbeabletohelp.Risforresponse.Wecandoalotofgoodbysimplyasking.“Areyouallright？”Ifthepersoncananswer，weknowthatheorsheisconsciousandcanbreathe.Thequestionwillalsocalmtheperson，lettinghimorherknowthathelpisontheway.Aisforairway(呼吸道)．Wemustmakesurethataperson’sairwayisopenanditiseasytobreathe.Thiscanbedonebygentlytippingtheperson’sheadbackslightly.Bisforbreathing.Weshouldcheckthatthepersoncanbreathe.Ishisorherchestmoving？Ifthepersonisnotbreathing，wemusttrytostarthisorherbreathingatonce，usingthemouthtomouthmethod.Ifthisisnotdonewithinfiveminutes，thepersonwilldie.Ifapersonisbreathingbutnotconscious，itisusuallybestforhimorhernottobemoved.Cisforcirculation.Istheperson’sbloodcirculating？Wecanlookforcolour，coughing，andeyemovement.Wecanalsocheckaperson’spulse(脉搏)byputtingafingerontheperson’sneckorwrist.Ifapersonisbleeding，weshouldcoverthewoundwithacleanpieceofclothandpressonthewoundtostopthebleeding.Weshouldnevertrytorevive(使苏醒)apersonunlessweknowhowtodoit.Wemaymakethingsworse.Whenwehavegivenfirstaid，weshouldputthepersonintherecovery(恢复)position.Thisisawayofplacingabodysothattheairwayisclearanditiseasytobreathe.新课导入自古以来，许多著名的科学家为推动中国乃至全世界的前进和发展做出了巨大的贡献。他们在追寻科学真理的道路上，不畏艰难，甘于奉献，呕心沥血，苦苦追求。他们这种献身科学，求是求准，刻苦钻研，淡泊名利的精神值得我们学习并发扬光大。本部分内容讲解结束按ESC键退出全屏播放