高中英语必修五全册课文内容

Unit1GreatscientistsJOHNSNOWDEFEATS“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’REVOLUTIONARYTHEORYNicolausCopernicuswasfrightenedandhismindwasconfused.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.NowthenpeoplerefertoEnglandyoufindWalesincludedaswell.NextEnglandandWaleswerejoinedtoScotlandintheseventeenthcenturyandthenamewaschangedto“GreatBritain”.HappilythiswasaccomplishedwithoutconflictwhenKingJamesofScotlandbecameKingofEnglandandWalesaswell.FinallytheEnglishgovernmenttriedintheearlytwentiethcenturytoformtheUnitedKingdombygettingIrelandconnectedinthesamepeacefulway.However,thesouthernpartofIrelandwasunwillingandbrokeawaytoformitsowngovernment.SoonlyNorthernIrelandjoinedwithEngland,WalesandScotlandtobecometheUnitedKingdomandthiswasshowntotheworldinanewflagcalledtheUnionJack.Totheircreditthefourcountriesdoworktogetherinsomeareas(eg,thecurrencyandinternationalrelations),buttheystillhaveverydifferenteducationalandlegalsystemsaswellasdifferentfootballteamsforcompetitionsliketheWorldCup!Englandisthelargestofthefourcountries,andforconvenienceitisdividedroughlyintothreezones.ThezonenearestFranceiscalledtheSouthofEngland,themiddlezoneiscalledtheMidlandsandtheonenearesttoScotlandisknownastheNorth.Youfindmostofthepopulationsettledinthesouth,butmostoftheindustrialcitiesintheMidlandsandtheNorthofEngland.Although,nationwide,thesecitiesarenotaslargeasthoseinChina,theyhaveworld-famousfootballteamsandsomeofthemevenhavetwo!Itisapitythattheindustrialcitiesbuiltinthenineteenthcenturydonotattractvisitors.ForhistoricalarchitectureyouhavetogotoolderbutsmallertownsbuiltbytheRomans.ThereyouwillfindoutmoreaboutBritishhistoryandculture.ThegreatesthistoricaltreasureofallisLondonwithitsmuseums,artcollections,theatres,parksandbuildings.Itisthecentreofnationalgovernmentanditsadministration.IthastheoldestportbuiltbytheRomansinthefirstcenturyAD,theoldestbuildingbegunbytheAnglo-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,buthehadworkedinthefamousreadingroomoftheLibraryoftheThenextdayPingyuwasleavingLondonforWindsorUnit3LifeinthefutureFIRSTIMPRESSIONSSpacemail: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,LiQiangUnit4MakingthenewsMYFIRSTWORKASSIGNMENT“Unforgettable”,saysnewjournalistNeverwillZhaoYang(ZY)forgethisfirstassignmentattheofficeofapopularEnglishnewspaper.Hisdiscussionwithhisnewboss,HuXin(HX),wastostronglyinfluencehislifeasajournalist.HX: Welcome.We’redelightedyou’recomingtoworkwithus.Yourfirstjobherewillbeanassistantjournalist.Doyouhaveanyquestions?ZY:CanIgooutonastoryimmediately?HX:(laughing)That’sadmirable,butI’mafraiditwouldbeunusual!Waittillyou’remoreexperienced.Firstwe’llputyouasanassistanttoanexperiencedjournalist.Lateryoucancoverastoryandsubmitthearticleyourself.ZY:Wonderful.WhatdoIneedtotakewithme?Ialreadyhaveanotebookandcamera.HX:Noneedforacamera.You’llhaveaprofessionalphotographerwithyoutotakephotographs.You’llfindyourcolleaguesveryeagertoassistyou,soyoumaybeabletoconcentrateonphotographylaterifyou’reinterested.ZY:Thankyou.NotonlyamIinterestedinphotography,butItookanamateurcourseatuniversitytoupdatemyskills.HX:Good.ZY:whatdoIneedtorememberwhenIgoouttocoverastory?HX:Youneedtobecurious.Onlyifyouaskmanydifferentquestionswillyouacquirealltheinformationyouneedtoknow.Wesayagoodjournalistmusthaveagood“nose”forastory.Thatmeansyoumustbeabletoassesswhenpeoplearenottellingthewholetruthandthentrytodiscoverit.Theymustuseresearchtoinformthemselvesofthemissingpartsofthestory.ZY:WhatshouldIkeepinmind?HX:Herecomesmydosanddon’ts:don’tmissyourdeadline,don’tberude,don’ttalktoomuch,butmakesureyoulistentotheintervieweecarefully.ZY:Whyislisteningsoimportant?HX:Well,youhavetolistenfordetailedfacts.Meanwhileyouhavetopreparethenextquestiondependingonwhatthepersonsays.ZY:ButhowcanIlistencarefullywhiletakingnotes?HX:Thatisatrickofthetrade.Iftheintervieweeagrees,youcanusearecordertogetthefactsstraight.It’salsousefulifapersonwantstochallengeyou.Youhavetheevidencetosupportyourstory.ZY:Isee!Haveyoureverhadacasewheresomeoneaccusedyourjournalistsofgettingthewrongendofthestick?HX:Yes,butitwasalongtimeago.Thisishowthestorygoes.Afootballerwasaccusedoftakingmoneyfordeliberatelynotscoringgoalssoastolettheotherteamwin.Wewenttointerviewhim.Hedeniedtakingmoneybutwewereskeptical.Sowearrangedaninterviewbetweenthefootballerandthemansupposedtobribehim.Whenwesawthemtogetherweguessedfromthefootballer’sbodylanguagethathewasnottellingthetruth.Sowewroteanarticlesuggestinghewasguilty.Itwasadilemmabecausethefootballercouldhavedemandeddamagesifwewerewrong.Hetriedtostopuspublishingitbutlaterwewereprovedright.ZY:Wow!Thatwasareal“scoop”.I’mlookingforwardtomyfirstassignmentnow.PerhapsI’llgetascooptoo!HX:Perhapsyouwill.Youneverknow.Unit4GETTINGTHE“SCOOP”“Quick,”saidtheeditor.“Getthatstoryready.Weneeditinthiseditiontobeaheadoftheothernewspapers.Thisisascoop.”ZhouYanghadjustcomebackintotheofficeafteraninterviewwithafamousfilmstar.“Didhereallydothat?”askedsomeonefromtheInternationalNewsDepartment.“Yes,I’mafraidhedid,”ZhouYanganswered.Hesettowork.Hisfirsttaskwastowritehisstory,buthehadtodoitcarefully.Althoughherealizedthemanhadbeenlying,ZhouYangknewhemustnotbegantoaccusehimdirectly.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.“Waittilltonight,”hisfriendwhispered.“Iexpecttherewillbesomethingaboutthisonthetelevisionnews.Arealscoop!”Unit5FirstaidFIRSTAIDFORBURNSTheskinisanessentialpartofyourbodyanditslargestorgan.Youhavethreelayersofskinwhichactasabarrieragainstdisease,poisonsandthesun’sharmfulrays.Thefunctionsofyourskinarealsoverycomplex:itkeepsyouwarmorcool;itpreventsyourbodyfromlosingtoomuchwater;itiswhereyoufeelcold,heatorpainanditgivesyouyoursenseoftouch.Soasyoucanimagine,ifyourskingetsburneditcanbeveryserious.Firstaidisaveryimportantfirststepinthetreatmentofburns.CausesofburnsYoucangetburnedbyavarietyofthings:steam,fire,radiation(bybeingclosetohighheatorfire,etc),thesun,electricityorchemicals.TypesofburnsTherearethreetypesofburns.Burnsarecalledfirst,secondorthirddegreeburns,dependingonwhichlayersoftheskinareburned.●FirstdegreeburnsTheseaffectonlythetoplayeroftheskin.Theseburnsarenotserious andshouldfeelbetterwithinadayortwo.Examplesincludemildsunburnandburnscaused bytouchingahotpan,stoveorironforamoment.●SeconddegreeburnsTheseaffectboththetopandthesecondlayeroftheskin.Theseburns areseriousandtakeafewweekstoheal.Examplesincludeseveresunburnandburnscaused byhotliquids.●ThirddegreeburnsTheseaffectallthreelayersoftheskinandanytissueandorgansunder theskin.Examplesincludeburnscausedbyelectricshocks,burningclothes,orseverepetrol fires.Theseburnscauseverysevereinjuriesandthevictimmustgotohospitalatonce.CharacteristicsofburnsFirstdegreeburns●dry,redandmildlyswollen●mildlypainful●turnwhitewhenpressedSeconddegreeburns●rough,redandswollen●blisters●watersurface●extremelypainfulThirddegreeburns●blackandwhiteandcharred●swollen;oftentissueunderthemcanbeseen●littleornopainifnervesaredamaged;maybepainaroundedgeofinjuredarea.Firstaidtreatment1Removeclothingusingscissorsifnecessaryunlessitisstucktotheburn.Takeoffother clothingandjewelleryneartheburn.2Coolburnsimmediatelywithcoolbutnoticywater.Itisbesttoplaceburnsundergently runningwaterforabout10minutes.(Thecoolwaterstopstheburningprocess,preventsthe painbecomingunbearableandreducesswelling.)Donotputcoldwateronthirddegree burns.3Forfirstdegreeburns,keepclothscoolbyputtingthembackinabasinofcoldwater, squeezingthemoutandplacingthem