![人教版高中英语 必修5 各单元课文原文_第1页](http://file4.renrendoc.com/view/82293010d15ed99b9fbcb54ae50a4ce4/82293010d15ed99b9fbcb54ae50a4ce41.gif)
![人教版高中英语 必修5 各单元课文原文_第2页](http://file4.renrendoc.com/view/82293010d15ed99b9fbcb54ae50a4ce4/82293010d15ed99b9fbcb54ae50a4ce42.gif)
![人教版高中英语 必修5 各单元课文原文_第3页](http://file4.renrendoc.com/view/82293010d15ed99b9fbcb54ae50a4ce4/82293010d15ed99b9fbcb54ae50a4ce43.gif)
![人教版高中英语 必修5 各单元课文原文_第4页](http://file4.renrendoc.com/view/82293010d15ed99b9fbcb54ae50a4ce4/82293010d15ed99b9fbcb54ae50a4ce44.gif)
![人教版高中英语 必修5 各单元课文原文_第5页](http://file4.renrendoc.com/view/82293010d15ed99b9fbcb54ae50a4ce4/82293010d15ed99b9fbcb54ae50a4ce45.gif)
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
人教版高中英语必修5各单元课文原文人教版高中英语必修5各单元课文原文人教版高中英语必修5各单元课文原文资料仅供参考文件编号:2022年4月人教版高中英语必修5各单元课文原文版本号:A修改号:1页次:1.0审核:批准:发布日期:Unit1GreatscientistsJOHHSHOWDEFEATS“KINGCHOLERA”JohnSnowwasafamousdoctorinLondon-soexpert,indeed,thatheattendedQueenVictoriaasherpersonalphysician.Buthebecameinspiredwhenhethoughtabouthelpingordinarypeopleexposedtocholera.Thiswasthedeadlydiseaseofitsday.Neitheritscausenoritscurewasunderstood.Somanythousandsofterrifiedpeoplediedeverytimetherewasanoutbreak.JohnSnowwantedtofacethechallengeandsolvethisproblem.Heknewthatcholerawouldneverbecontrolleduntilitscausewasfound.Hebecameinterestedintwotheoriesthatpossiblyexplainedhowcholerakilledpeople.Thefirstsuggestedthatcholeramultipliedintheair.Acloudofdangerousgasfloatedarounduntilitfounditsvictims.Thesecondsuggestedthatpeopleabsorbedthisdiseaseintotheirbodieswiththeirmeals.Fromthestomachthediseasequicklyattackedthebodyandsoontheaffectedpersondied.JohnSnowsuspectedthatthesecondtheorywascorrectbutheneededevidence.SowhenanotheroutbreakhitLondonin1854,hewasreadytobeginhisenquiry.Asthediseasespreadquicklythroughpoorneighbourhoods,hebegantogatherinformation.Intwoparticularstreets,thecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.Hewasdeterminedtofindoutwhy.Firsthemarkedonamaptheexactplaceswhereallthedeadpeoplehadlived.Thisgavehimavaluableclueaboutthecauseofthedisease.ManyofthedeathswerenearthewaterpumpinBroadStreet(especiallynumbers16,37,38and40).Healsonoticedthatsomehouses(suchas20and21BroadStreetand8and9CambridgeStreet)hadhadnodeaths.Hehadnotforeseenthis,sohemadefurtherinvestigations.Hediscoveredthatthesepeopleworkedinthepubat7CambridgeStreet.Theyhadbeengivenfreebeerandsohadnotdrunkthewaterfromthepump.Itseemedthatthewaterwastoblame.Next,JohnSnowlookedintothesourceofthewaterforthesetwostreets.HefoundthatitcamefromtheriverpollutedbythedirtywaterfromLondon.HeimmediatelytoldtheastonishedpeopleinBroadStreettoremovethehandlefromthepumpsothatitcouldnotbeused.Soonafterwardsthediseasesloweddown.Hehadshownthatcholerawasspreadbygermsandnotinacloudofgas.InanotherpartofLondon,hefoundsupportingevidencefromtwootherdeathsthatwerelinkedtotheBroadStreetoutbreak.Awoman,whohadmovedawayfromBroadStreet,likedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.Bothsheandherdaughterdiedofcholeraafterdrinkingthewater.WiththisextraevidenceJohnSnowwasabletoannouncewithcertaintythatpollutedwatercarriedthevirus.Topreventthisfromhappeningagain,JohnSnowsuggestedthatthesourceofallthewatersuppliesbeexamined.Thewatercompanieswereinstructednottoexposepeopletopollutedwateranymore.Finally"KingCholera"wasdefeated.COPERNICUS’REVOLUTIONRRYTHEORYNicolausCopernicuswasfrightenedandhismindwasconfused.Althoughhehadtriedtoignorethem,allhismathematicalcalculationsledtothesameconclusion:thattheearthwasnotthecentreofthesolarsystem.Onlyifyouputthesuntheredidthemovementsoftheotherplanetsintheskymakesense.YethecouldnottellanyoneabouthistheoryasthepowerfulChristianChurchwouldhavepunishedhimforevensuggestingsuchanidea.TheybelievedGodhadmadetheworldandforthatreasontheearthwasspecialandmustbethecentreofthesolarsystem.Theproblemarosebecauseastronomershadnoticedthatsomeplanetsintheskyseemedtostop,movebackwardandthengoforwardinaloop.Othersappearedbrighterattimesandlessbrightatothers.Thiswasverystrangeiftheearthwasthecentreofthesolarsystemandallplanetswentroundit.Copernicushadthoughtlongandhardabouttheseproblemsandtriedtofindananswer.Hehadcollectedobservationsofthestarsandusedallhismathematicalknowledgetoexplainthem.Butonlyhisnewtheorycoulddothat.Sobetween1510and1514heworkedonit,graduallyimprovinghistheoryuntilhefeltitwascomplete.In1514heshoweditprivatelytohisfriends.Thechangeshemadetotheoldtheorywererevolutionary.Heplacedafixedsunatthecentreofthesolarsystemwiththeplanetsgoingrounditandonlythemoonstillgoingroundtheearth.Healsosuggestedthattheearthwasspinningasitwentroundthesunandthisexplainedchangesinthemovementoftheplanetsandinthebrightnessofthestars.Hisfriendswereenthusiasticandencouragedhimtopublishhisideas,butCopernicuswascautious.HedidnotwanttobeattackedbytheChristianChurch,soheonlypublisheditashelaydyingin1543.Certainlyhewasrighttobecareful.TheChristianChurchrejectedhistheory,sayingitwasagainstGod'sideaandpeoplewhosupporteditwouldbeattacked.YetCopernicus'theoryisnowthebasisonwhichallourideasoftheuniversearebuilt.HistheoryreplacedtheChristianideaofgravity,whichsaidthingsfelltoearthbecauseGodcreatedtheearthasthecentreoftheuniverse.Copernicusshowedthiswasobviouslywrong.NowpeoplecanseethatthereisadirectlinkbetweenhistheoryandtheworkofIsaacNewton,AlbertEinsteinandStephenHawking.
Unit2TheUnitedKingdomPUZZLESINGEOGRAPHYPeoplemaywonderwhydifferentwordsareusedtodescribethesefourcountries:England,Wales,ScotlandandNorthernIreland.YoucanclarifythisquestionifyoustudyBritishhistory.FirsttherewasEngland.Waleswaslinkedtoitinthethirteenthcentury.NowwhenpeoplerefertoEnglandyoufindWalesincludedaswell.NextEnglandandWaleswerejoinedtoScotlandintheseventeenthcenturyandthenamewaschangedto"GreatBritain".HappilythiswasaccomplishedwithoutconflictwhenKingJamesofScotlandbecameKingofEnglandandWalesaswell.FinallytheEnglishgovernmenttriedintheearlytwentiethcenturytoformtheUnitedKingdombygettingIrelandconnectedinthesamepeacefulway.However,thesouthernpartofIrelandwasunwillingandbrokeawaytoformitsowngovernment.SoonlyNorthernIrelandjoinedwithEngland,WalesandScotlandtobecometheUnitedKingdomandthiswasshowntotheworldinanewflagcalledtheUnionJack.Totheircreditthefourcountriesdoworktogetherinsomeareas(eg,thecurrencyandinternationalrelations),buttheystillhaveverydifferentinstitutions.Forexample,NorthernIreland,EnglandandScotlandhavedifferenteducationalandlegalsystemsaswellasdifferentfootballteamsforcompetitionsliketheWorldCup!Englandisthelargestofthefourcountries,andforconvenienceitisdividedroughlyintothreezones.ThezonenearestFranceiscalledtheSouthofEngland,themiddlezoneiscalledtheMidlandsandtheonenearesttoScotlandisknownastheNorth.Youfindmostofthepopulationsettledinthesouth,butmostoftheindustrialcitiesintheMidlandsandtheNorthofEngland.Although,nationwide,thesecitiesarenotaslargeasthoseinChina,theyhaveworld-famousfootballteamsandsomeofthemevenhavetwo!Itisapitythattheindustrialcitiesbuiltinthenineteenthcenturydonotattractvisitors.ForhistoricalarchitectureyouhavetogotoolderbutsmallertownsbuiltbytheRomans.ThereyouwillfindoutmoreaboutBritishhistoryandculture.ThegreatesthistoricaltreasureofallisLondonwithitsmuseums,artcollections,theatres,parksandbuildings.Itisthecentreofnationalgovernmentanditsadministration.IthastheoldestportbuiltbytheRomansinthefirstcenturyAD,theoldestbuildingbegunbytheAnglo-Saxonsinthe1060sandtheoldestcastleconstructedbylaterNormanrulersin1066.TherehasbeenfoursetsofinvadersofEngland.Thefirstinvaders,theRomans,lefttheirtownsandroads.Thesecond,theAnglo-Saxons,lefttheirlanguageandtheirgovernment.Thethird,theVikings,influencedthevocabularyandplace-namesoftheNorthofEngland,andthefourth,theNormans,leftcastlesandintroducednewwordsforfood.IfyoulookaroundtheBritishcountrysideyouwillfindevidenceofalltheseinvaders.YoumustkeepyoureyesopenifyouaregoingtomakeyourtriptotheUnitedKingdomenjoyableandworthwhile.
SIGHTSEEINGINLONDONWorriedaboutthetimeavailable,ZhangPingyuhadmadealistofthesitesshewantedtoseeinLondon.HerfirstdelightwasgoingtotheTower.ItwasbuiltlongagobytheNormaninvadersofAD1066.Fancy!Thissolidstone,squaretowerhadremainedstandingforonethousandyears.Althoughthebuildingshadexpandedaroundit,itremainedpartofaroyalpalaceandprisoncombined.Tohergreatsurprise,ZhangPingyufoundtheQueen'sjewelsguardedbyspecialroyalsoldierswho,onspecialoccasions,stillworethefour-hundred-year-olduniformofthetimeofQueenElizabethI.TherefollowedStPaul'sCathedralbuiltaftertheterriblefireofLondonin1666.Itlookedsplendidwhenfirstbuilt!WestminsterAbbey,too,wasveryinteresting.Itcontainedstatuesinmemoryofdeadpoetsandwriters,suchasShakespeare.Thenjustasshecameoutoftheabbey,Pingyuheardthefamoussoundoftheclock,BigBen,ringingoutthehour.ShefinishedthedaybylookingattheoutsideofBuckinghamPalace,theQueen'shouseinLondon.Oh,shehadsomuchtotellherfriends!TheseconddaythegirlvisitedGreenwichandsawitsoldshipsandfamousclockthatsetstheworldtime.Whatinterestedhermostwasthelongitudeline.Itisanimaginarylinedividingtheeasternandwesternhalvesoftheworldandisveryusefulfornavigation.ItpassesthroughGreenwich,soPingyuhadaphototakenstandingoneithersideoftheline.ThelastdayshevisitedKarlMarx'sstatueinHighgateCemetery.ItseemedstrangethatthemanwhohaddevelopedcommunismshouldhavelivedanddiedinLondon.Notonlythat,buthehadworkedinthefamousreadingroomoftheLibraryoftheBritishMuseum.Sadlythelibraryhadmovedfromitsoriginalplaceintoanotherbuildingandtheoldreadingroomwasgone.Butshewasthrilledbysomanywonderfultreasuresfromdifferentculturesdisplayedinthemuseum.WhenshesawmanyvisitorsenjoyinglookingatthebeautifuloldChinesepotsandotherobjectsonshow,shefeltveryproudofhercountry.ThenextdayPingyuwasleavingLondonforWindsorCastle."PerhapsIwillseetheQueen"
shewonderedasshefellasleep.
Unit3LifeinthefutureFIRSTIMPRESSIONSSpacemall:liqiang299A@GreatAdventureSpaceS15/11/3008(Earthtime)DearMumandDad,IstillcannotbelievethatIamtakingupthisprizethatIwonlastyear.IhavetoremindmyselfconstantlythatIamreallyinAD3008.Worriedaboutthejourney,Iwasunsettledforthefirstfewdays.Asaresult,Isufferedfrom“Timelag”.Thisissimilartothe“jetlag”yougetfromflying,butitseemsyoukeepgettingflashbacksfromyourprevioustimeperiod.SoIwasverynervousanduncertainatfirst.However,myfriendandguide,WangPing,wasveryunderstandingandgavemesomegreentabletswhichhelpedalot.Well-knownfortheirexpertise,hisparents'company,called"FutureTours",transportedmesafelyintothefutureinatimecapsule.Icanstillrememberthemomentwhenthespacestewardesscalledusalltothecapsuleandweclimbedinthroughasmallopening.Theseatswerecomfortableandafteracalmingdrink,wefeltsleepyandclosedoureyes.Thecapsulebeganswinginggentlysidewaysaswelayrelaxedanddreaming.Afewminuteslater,thejourneywascompletedandwehadarrived.Iwasstillontheearthbutonethousandyearsinthefuture.WhatwouldIfind
Atfirstmynewsurroundingsweredifficulttotolerate.Theairseemedthin,asthoughitscombinationofgaseshadlittleoxygenleft.Hitbyalackoffreshair,myheadached.JustasItriedtomakethenecessaryadjustmenttothisnewsituation,WangPingappeared."Putonthismask,"headvised."It'llmakeyoufeelmuchbetter."Hehandedittomeandimmediatelyhurriedmethroughtoasmallroomnearbyforarest.Ifeltbetterinnotime.SoonIwasbackonmyfeetagainandfollowinghimtocollectahoveringcarriagedrivenbycomputer.Thesecarriagesfloatabovethegroundandbybendingorpressingdowninyourseat,youcanmoveswiftly.WangPingfastenedmysafetybeltandshowedmehowtouseit.SoonIcouldflyasfastashim.However,IlostsightofWangPingwhenwereachedwhatlookedlikealargemarketbecauseoftoomanycarriagesflyingbyinalldirections.Hewassweptupintothecentreofthem.JustatthatmomentIhada"timelag"flashbackandsawtheareaagainasithadbeenintheyearAD2008.IrealizedthatIhadbeentransportedintothefutureofwhatwasstillmyhometown!ThenIcaughtsightofWangPingagainandflewafterhim.Arrivingatastrange-lookinghouse,heshowedmeintoalarge,brightcleanroom.Ithadagreenwall,abrownfloorandsoftlighting.Suddenlythewallmoved-itwasmadeoftrees!Ifoundlaterthattheirleavesprovidedtheroomwithmuch-neededoxygen.ThenWangPingflashedaswitchonacomputerscreen,andatableandsomechairsrosefromunderthefloorasifbymagic."Whynotsitdownandeatalittle"
hesaid."Youmayfindthisdifficultasitisyourfirsttimetraveltrip.
Justrelax,sincethereisnothingplannedonthetimetabletoday.Tomorrowyou'llbereadyforsomevisits."Havingsaidthis,hespreadsomefoodonthetable,andproducedabedfromthefloor.Afterheleft,Ihadabriefmealandahotbath.Exhausted,Islidintobedandfellfastasleep.Morenewslaterfromyourlovingson,LiQiangIHAVESEENAMAZINGTHINGSMyfirstvisitwastoaspacestationconsideredthemostmodeminspace.Describedasanenormousroundplate,itspinsslowlyinspacetoimitatethepulloftheearth'sgravity.Insidewasanexhibitionofthemostup-to-dateinventionsofthe31stcentury.Aguide(G)showedusaroundalongamoveablepath.G:Goodmorningtoallourvisitorsfrom2008.Firstwe'regoingtoexamineoneofthelatestformsofcommunicationamongourspacecitizens.Nomoretypistsworkingonatypewriterorcomputer!Nomorepostageorpostcodes!Messagescannowbesentusinga"thoughtpad".Youplacethemetalbandoveryourhead,clearyourmind,pressthesendingbutton,thinkyourmessageandthenextinstantit'ssent.It'sstoredonthe"thoughtpad"ofthereceiver.It'squick,efficientandenvironmentallyfriendly.Theonlylimitationisiftheuserdoesnotthinkhisorhermessageclearly,anunclearmessagemaybesent.Butwecannotblamethetoolsforthefaultsoftheuser,canwe
DuringtheexplanationIlookedatthepairofsmallobjectscalled"thoughtpads"onatable.Theyjustlookedlikemetalribbons.Soordinarybutsopowerful!WhileIwasobservingthem,thepathmoveduson.G:Andnowladiesandgentlemen,weareinthe"environmentarea".Peopleusedtocollectwasteindustbins.Thentherubbishwassenttobeburiedorburned,amIfight(Wenodded.)Well,nowthere'sasystemwherethewasteisdisposedofusing
theprinciplesofecology.Agiantmachine,alwaysgreedyformore,swallowsallthewasteavailable.Therubbishisturnedintoseveralgradesofusefulmaterial,suchas"fertilizer"forthefieldsand"soil"fordeserts.Nothingiswasted,andeverything,evenplasticbags,isrecycled.Agreatidea,isn't'it
Istaredatthemovingmodelofthewastemachine,absorbedbyitsefficiency.Butagainwemovedon.G:Ourthirdstopshowsthechangesthathavehappenedtoworkpractices.Manufacturingnolongertakesplaceontheearthbutonspacestationslikethisone.Agroupofengineersprogrammerobotstoperformtasksinspace.Therobotsproducegoodssuchasdrugs,clothes,furniture,hoveringcarriages,etc.Thereisnowaste,nopollutionandnoenvironmentaldamage!However,thecompanieshavetotraintheirrepresentativestoliveandworkinspacesettlements.Theyhavetomonitortherobotsandtheproduction.Whenthegoodsarereadythey'retransportedbyindustrialspaceshipbacktoearth.Mymindbegantowander.WhatjobwouldIdo
MymotivationincreasedasI
thoughtofthewonderfulworldofthefuture.
Unit4MakingthenewsMYFIRSTWORKASSIGNMENT"Unforgettable",saysnewjournalistNeverwillZhouYang(ZY)forgethisfirstassignmentattheofficeofapopularEnglishnewspaper.Hisdiscussionwithhisnewboss,HuXin(HX),wastostronglyinfluencehislifeasajournalist.HX:Welcome.We'redelightedyou'recomingtoworkwithus.Yourfirstjobherewillbeanassistantjournalist.DoyouhaveanyquestionsZY:CanIgooutonastoryimmediatelyHX:(laughing)That'sadmirable,butI'mafraiditwouldbeunusual!Waittillyou'remoreexperienced.Firstwe'llputyouasanassistanttoanexperiencedjournalist.Lateryoucancoverastoryandsubmitthearticleyourself.ZY:Wonderful.WhatdoIneedtotakewithmeIalreadyhaveanotebookandcamera.HX:Noneedforacamera.You'llhaveaprofessionalphotographerwithyoutotakephotographs.You'llfindyourcolleaguesveryeagertoassistyou,soyoumaybeabletoconcentrateonphotographylaterifyou'reinterested.ZY:Thankyou.NotonlyamIinterestedinphotography,butItookanamateurcourseatuniversitytoupdatemyskills.HX:Good.ZY:WhatdoIneedtorememberwhenIgoouttocoverastoryHX:Youneedtobecurious.Onlyifyouaskmanydifferentquestionswillyouacquirealltheinformationyouneedtoknow.Wesayagoodjournalistmusthaveagood"nose"forastory.Thatmeansyoumustbeabletoassesswhenpeoplearenottellingthewholetrothandthentrytodiscoverit.Theymustuseresearchtoinformthemselvesofthemissingpartsofthestory.ZY:WhatshouldIkeepinmindHX:Herecomesmylistofdosanddon'ts:don'tmissyourdeadline,don'tberode,don'ttalktoomuch,butmakesureyoulistentotheintervieweecarefully.ZY:WhyislisteningsoimportantHX:Well,youhavetolistenfordetailedfacts.Meanwhileyouhavetopreparethenextquestiondependingonwhatthepersonsays.ZY:ButhowcanIlistencarefullywhiletakingnotesHX:Thisisatrickofthetrade,Iftheintervieweeagrees,youcanusearecordertogetthefactsstraight.It'salsousefulifapersonwantstochallengeyou.Youhavetheevidencetosupportyourstory.ZY:Isee!HaveyoueverhadacasewheresomeoneaccusedyourjournalistsofgettingthewrongendofthestickHX:Yes,butitwasalongtimeago.Thisishowthestorygoes.Afootballerwasaccusedoftakingmoneyfordeliberatelynotscoringgoalssoastolettheotherteamwin.Wewenttointerviewhim.Hedeniedtakingmoneybutweweresceptical.Sowearrangedaninterviewbetweenthefootballerandthemansupposedtobribehim.Whenwesawthemtogetherweguessedfromthefootballer'sbodylanguagethathewasnottellingthetruth.Sowewroteanarticlesuggestinghewasguilty.Itwasadilemmabecausethefootballercouldhavedemandeddamagesifwewerewrong.Hetriedtostopuspublishingitbutlaterwewereprovedright.ZY:Wow!Thatwasareal"scoop".I'mlookingforwardtomyfirstassignmentnow.PerhapsI'llgetascooptoo!HX:Perhapsyouwill.Youneverknow.GETTINGTHE"SCOOP""Quick,"saidtheeditor."Getthatstoryready.Weneeditinthiseditiontobeaheadoftheothernewspapers.Thisisascoop."ZhouYanghadjustcomebackintotheofficeafteraninterviewwithafamousfilmstar."Didhereallydothat"
askedsomeonefromtheInternationalNewsDepartment."Yes,I'mafraidhedid,"ZhouYanganswered.Hesettowork.Hisfirsttaskwastowritehisstory,buthehadtodoitcarefully.Althoughherealizedthemanhadbeenlying,ZhouYangknewhemustnotaccusehimdirectly.Hewouldhavetobeaccurate.Concisetoo!Heknewhowtodothat.Monthsoftraininghadtaughthimtowritewithnowastedwordsorphrases.Hesatdownathiscomputerandbegantowork.Thefirstpersonwhosawhisarticlewasasenioreditorfromhisdepartment.Hecheckedtheevidence,readthearticleandpasseditontothecopy-editor.Shebegantoeditthepieceanddesignthemainheadlineandsmallerheading.¡°Thiswilllookverygoodonthepage,¡±shesaid."Whereisagoodpictureofthisman"
ThenasthearticlewasgoingtobewritteninEnglishZhouYangalsotookacopytothenativespeakeremployedbythenewspapertopolishthestyle.ShewasalsoveryhappywithZhouYang'sstory."Youarereallyabletowriteagoodfrontpagearticle,"shesaid.ZhouYangsmiledwithhappiness.Lastofall,thechiefeditorreaditandapprovedit."Welldone,"hesaidtoZhouYang."Butpleaseshowmeyourevidencesowe'resurewe'vegotourfactsstraight.¡±¡°I¡¯llbringittoyouimmediately,"saidZhouYangexcitedly.Thenewsdeskeditortookthestoryandbegantoworkonallthestoriesandphotosuntilallthepageswereset.Alltheinformationwasthenreadytobeprocessedintofilmnegatives.Thiswasthefirststageoftheprintingprocess.Theyneededfournegatives,asseveralcoloursweregoingtobeusedonthestory.Eachofthemaincolourshadonenegativesheetandwhentheywerecombinedtheymadeacolouredpageforthenewspaper.Afteronelastcheckthepagewasreadytobeprinted.ZhouYangwaitedexcitedlyforthefirstcopiestobeready."Wait611tonight,"hisfriendwhispered."Iexpecttherewillbesomethingaboutthisonthetelevisionnews.Arealscoop!"
Unit5FirstaidFIRSTAIDFORBURNSTheskinisanessentialpartofyourbodyanditslargestorgan.Youhavethreelayersofskinwhichactasabarrieragainstdisease,poisonsandthesun'sharmfulrays.Thefunctionsofyourskinarealsoverycomplex:itkeepsyouwarmorcool;itpreventsyourbodyfromlosingtoomuchwater;itiswhereyoufeelcold,heatorpainanditgivesyouyoursenseoftouch.Soasyoucanimagine,ifyourskingetsburneditcanbeveryserious.Firstaidisaveryimportantfirststepinthetreatmentofbums.CausesofburnsYoucangetburnedbyavarietyofthings:hotliquids,steam,fire,radiation(bybeingclosetohighheatorfire,etc),thesun,electricityorchemicals.TypesofburnsTherearethreetypesofburns.Burnsarecalledfirst,secondorthirddegreeburns,dependingonwhichlayersoftheskinareburned.FirstdegreeburnsTheseaffectonlythetoplayeroftheskin.Theseburnsarenotseriousandshouldfeelbetterwithinadayortwo.Examplesincludemildsunburnandburnscausedbytouchingahotpan,stoveorironforamordent.SeconddegreeburnsTheseaffectboththetopandthesecondlayeroftheskin.Thesebumsareseriousandtakeafewweekstoheal.Examplesincludeseveresunburnandbumscausedbyhotliquids.ThirddegreeburnsTheseaffectallthreelayersoftheskinandanytissueandorgansundertheskin.Examplesincludeburnscausedbyelectricshocks,burningclothes,orseverepetrolfires.Theseburnscauseverysevereinjuriesandthevictimmustgotohospitalatonce.CharacteristicsofburnsFirstdegreeburnsdry,redandmildlyswollenmildlypainfulturnwhitewhenpressedSeconddegreeburnsrough,redandswollenblisterswaterysurfaceextremelypainfulThirddegreeburnsblackandwhiteandcharredswollen;oftentissueunderthemcanbeseenlittleornopainifnervesaredamaged;maybepainaroundedgeofinjuredarea.FirstaidtreatmentRemoveclothingusingscissorsifnecessaryunlessitisstucktotheburn.Takeoffotherclothingandjewelleryneartheburn.2Coolburnsimmediatelywithcoolbutnoticywater.Itisbesttoplaceburnsundergentlyrunning
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 【正版授权】 ISO 9328-2:1991 EN Steel plates and strips for pressure purposes - Technical delivery conditions - Part 2: Unalloyed and low-alloyed steels with specified room temperature a
- 【正版授权】 ISO 9241-11:1998 EN Ergonomic requirements for office work with visual display terminals (VDTs) - Part 11: Guidance on usability
- 【正版授权】 ISO 9182-3:2020 EN Tools for pressing - Guide pillars - Part 3: Type B,end-locking pillars
- 【正版授权】 ISO 9139:1998 EN Aerospace - Nuts,plain or slotted (castellated) - Procurement specification
- 【正版授权】 ISO 9085:2002 EN Calculation of load capacity of spur and helical gears - Application for industrial gears
- 【正版授权】 ISO 8835-5:2004 EN Inhalational anaesthesia systems - Part 5: Anaesthetic ventilators
- 【正版授权】 ISO 8807:1989 EN Information processing systems - Open Systems Interconnection - LOTOS - A formal description technique based on the temporal ordering of observational behav
- 产科大出血的容量复苏研究进展2024(全文)
- DBJ50∕T-342-2019 工程建设对既有建(构)筑物安全影响评估标准
- 公司厂级安全培训考试题附答案(预热题)
- 护理质量管理PPT通用课件
- 白中仁总裁在中国中铁经营工作会议上的讲话(印刷稿)
- 8 煤矿安全监测监控系统PPT课件
- 工程勘察岩样、土样、水样试验委托单
- 完整版文艺节目表演评分表
- 电气控制与PLC课程设计
- 《月之故乡》教学设计
- 电缆招标评分标准
- 汽修厂安全责任制
- 醚化合成MTBE技术
- 增额终身寿险和年金险的区别PPT课件
评论
0/150
提交评论