Unit 5 First Aid Reading and thinking课文讲解课件-高中英语人教版（2019）选择性必修第二册

PeriodⅠ

ReadingandThinking

FIRSTAIDFORBURNS烧伤急救Theskinisanessentialpartofyourbodyandisitslargestorgan.Yourskinactsasabarrieragainstdisease，toxins，andthesun'srays.Italsohelpscontrolyourbodytemperature，preventsyourbodyfromlosingtoomuchwater，warnsyouwhenthingsaretoohotorcold，andgivesyouyoursenseoftouch.触觉皮肤是人体的重要组成部分，也是人体最大的器官。皮肤是抵御疾病、毒素和太阳光线的屏障。它还有助于控制体温，防止身体流失过多水分，当事物过热或过冷时警告你并给你触觉。actas充当；担当=serveas=workasprevent...(from)doing...阻止...做某事=stop...(from)doing...=keep...fromdoing....=discourage...fromdoing...

Asyoucanimagine，gettingburntcanleadtoveryseriousinjuries.Thefirstandmostimportantstepinthetreatmentofburnsisgivingfirstaid.

正如你所想象的，被烧伤会导致非常严重的伤害。治疗烧伤的第一步也是最重要的一步就是施行急救。此处为as引导的非限制性定语从句，as指代后面的主句。leadto导致；造成

拓展：bringabout;resultin;accountfor;contributeto;giverisetogettingburnt为动词名词作主语，givingfirstaid为动词名词作表语。firstaid急救givesbfirstaid/givefirstaidtosb对某人进行急救

firstandmostimportant

首先也是最重要的拓展

：firstandforemost首要的是，首先lastbutnotleast最后但同样重要的

CAUSESOFBURNSYoucangetburntbyavarietyofthings：hotliquids，steam，fire，radiation，thesun，electricity，acids，orotherchemicals.TYPESOFBURNSBurnsaredividedintothreetypes,dependingonthedepthofskindamage.现在分词短语作方式状语烧伤的原因你可能会被各种各样的东西烧伤：灼热的液体、水蒸气、火、辐射、太阳、电、酸或其他化学物质。烧伤的类型根据皮肤损伤的深度，烧伤或烫伤可分为三种类型。

getburnt

烧伤

get+过去分词结构：getlost;getmarried;getinjured

avarietyof各种各样的=o...把...分成...dependon依靠；依赖=relyondependonsbtodosth依靠某人做某事dependonit+that从句

Youcoulddependonitthathewashonest.

First­degreeburnsTheseaffectonlythetopfewmillimetres

oftheskin.Theseburnsarenotserious.Examplesincludemildsunburnandburnscausedbyotherminor

householdincidents.Second­degreeburns

Thesegobelowthetoplayer

oftheskin.Theyareseriousandtakeafewweekstogetbetter.Examplesincludeburnscausedbyhotliquids.过去分词短语作后置定语一度烧伤这类烧伤只伤及皮肤表层几毫米。这些烧伤并不严重。例如轻微的晒伤和其他轻微的家务事故造成的灼伤。二度烧伤这类烧伤伤及皮肤表层以下。它们是严重的，需要几个星期才能好起来。例如由灼热的液体引起的烫伤。includesth/doingsth

包括（做）某事minorinjuries轻伤

Third­degreeburns

Theseaffecteverylayeroftheskin，andsometimesthetissue

underit.Examplesincludeburnscausedbyelectric

shocks，burningclothes，orpetrolfires.Theseburnscauseverysevereinternalinjuries

andthevictim

mustgotothehospitalatonce.三度烧伤这类烧伤会伤及皮肤的每一层，有时还会影响皮下组织。例如由电击、衣服燃烧或汽油着火引起的烧伤。这类烧伤会造成非常严重的内伤，受伤者必须马上去医院。electricadj.电的；用电的；电动的electricshock触电；电击anelectriclight电灯electricityn．电；电能atonce立刻；马上

CHARACTERISTICSOFBURNSFirst­degreeburns·dry，red，andmildlyswollen·mildlypainful·turnwhitewhenpressedwhenpressed=whentheyarepressed烧伤的特点一度烧伤·干燥，发红，轻度肿胀·轻度疼痛·按压时变白

Second­degreeburns·redandswollen；blisters；waterysurface·extremelypainful二度烧伤·又红又肿；有水泡；表面有液体·极其疼痛

Third­degreeburns·blackandwhite·swollen；thetissueunderneathcanoftenbeseen·littleornopainifnerves

aredamaged;maybepainfularoundtheedgesoftheburn三度烧伤·(皮肤)呈焦黑色和死白色·肿胀；常常可见皮下组织·如果神经受损，轻微疼痛或完全无痛感；烧伤处周围可感疼痛

FIRST­AIDTREATMENT1．Placeburnsundercoolrunningwater，especiallywithinthefirsttenminutes.Thecoolwaterstopstheburningprocessandreducesthepainandswelling.2．Drytheburntareagentlywithacleancloth.急救治疗1．将烧伤部位放在流动的冷水下，特别是在烧伤后的前10分钟内。冷水可以终止烧灼过程，减少疼痛和肿胀。2．用干净的布轻轻擦干烧伤部位。

3．Removeanyclothesusingscissorsifnecessary，unlessyouseethefabric

sticking

totheburntskin.3．如果有必要，用剪刀剪掉衣服，除非你看到布料已粘在烧伤的皮肤上。主句removeanyclothes是祈使句；usingscissors是现在分词短语作方式状语；ifnecessary是状语从句的省略=ifitisnecessary类似结构：ifany;ifever;ifpossible;ifso;ifnotunlessyouseethefabricstickingtotheburntskin是条件状语从句。stickto...粘到……上；坚持sticktodoingsth

坚持做某事stick...to/on...把……粘到……上

4．Covertheburntareawithaloosecleancloth.Applying

oiltotheinjuredareasisabadidea,asitwillkeeptheheatinthewoundsandmaycauseinfectio