人教版高中英语必修2各单元课文原文

1、必修2unit1insearchoftheamberroomfrederickwilliam，thekingofprussia,couldneverhaveimaginedthathisgreatestgifttotherussianpeoplewouldhavesuchanamazinghistory.thisgiftwastheamberroom,whichwasgiventhisnamebecauseseveraltonsofamberwereusedtomakeit.theamberwhichwasselectedhadabeautifulyellow-browncolourlikeh

2、oney.thedesignoftheroomwasinthefancystylepopularinthosedays.itwasalsoatreasuredecoratedwithgoldandjewels,whichtookthecountrysbestartistsabouttenyearstomake.infact,theroomwasnotmadetobeagift.itwasdesignedforthepalaceoffrederick.however,thenextkingofprussia,frederickwilliam,towhomtheamberroombelonged,

3、decidednottokeepit.in1716hegaveittopeterthegreat.inreturn,theczarsenthimatroopofhisbestsoldiers.sotheamberroombecausepartoftheczarswinterpalaceinstpetersburg.aboutfourmetreslong,theroomservedasasmallreceptionhallforimportantvisitors.later,catherinehadtheamberroommovedtoapalaceoutsidestpetersburgwher

4、eshespenthersummers.shetoldherartiststoaddmoredetailstoit.in1770theroomwascompletedthewayshewanted.almostsixhundredcandleslittheroom,anditsmirrorsandpicturesshonelikegold.sadly,althoughtheamberroomwasconsideredoneofthewondersoftheworld,itisnowmissing.inseptember1941,thenaziarmywasnearstpetersburg.th

5、iswasatimewhenthetwocountrieswereatwar.beforethenaziscouldgettothesummerpalace,therussianswereabletoremovesomefurnitureandsmallartobjectsfromtheamberroom.however,someofthenazissecretlystoletheroomitself.inlessthantwodays100,000pieceswereputinsidetwenty-sevenwooodenboxs.thereisnodoubtthattheboxsweret

6、henputonatrainforkonigsberg,whichwasatthattimeagermancityonthebalticsea.afterthat,whathappenedtotheamberroomremainsamystery.recently,therussiansandgermanshavebuiltanewamberroomatthesummerpalace.bystudyingoldphotosoftheformeramberroom,theyhavemadethenewonelookliketheoldone.in2003itwasreadyforthepeopl

7、eofstpetersburgwhentheycelebratedthe300thbirthdayoftheircity.afactoranopinion?whatisafact?isitsomethingthatpeoplebelieve?no.afactisanythingthatcanbeproved.forexample,itcanbeprovedthatchinahasmorepeoplethananyothercountryintheworld.thisisafact.thenwhatisanopinion?anopinioniswhatsomeonebelievesistrueb

8、uthasnotbeenproved.soanopinionisnotgoodevidenceinatrial.forexample,itisanopinionifyousay“catsarebetterpetsthandogsaybetrue,”but.ititmisdifficulttoprove.somepeoplemaynotagreewiththisopinionbuttheyalsocannotprovethattheyareright.inatrial,ajudgemustdecidewhicheyewitnessestobelieveandwhichnottobelieve.t

9、hejudgedoesnotconsiderwhateacheyewitnesslookslikeorwherethatpersonlivesorworks.he/sheonlycaresaboutwhethertheeyewitnesshasgiventrueinformation,whichmustbefactsratherthanopinions.thiskindofinformationiscalledevidence.unit2aninterviewpausanias,whowasagreekwriterabout2,000yearsago,hascomeonamagicaljour

10、neyonmarch18th2007tofindoutaboutthepresent-dayolympicgames.heisnowinterviewingliyan,avolunteerforthe2008olympicgames.p:mynameispausanias.ilivedinwhatyoucall“ancientgreece”andiusedtowriteabouttheolympicgamesalongtimeago.ivecometoyourtimetofindoutaboutthepresent-dayolympicgamesbecauseiknowthatin2004th

11、eywereheldinmyhomeland.mayiaskyousomequestionsaboutthemodernolympics?l:goodheavens!haveyoureallycomefromsolongago?butofcourseyoucan103faskanyquestionsyoulike.whatwouldyouliketoknow?p:howoftendoyouholdyourgames?l:everyfouryears.therearetwomainsetsofgames-thewinterandsummerolympics,andbothareheldevery

12、fouryearsonaregularbasis.thewinterolympicsareusuallyheldtwoyearsbeforethesummergames.onlyathleteswhohavereachedtheagreedstandardfortheireventwillbeadmittedascompetitors.theymaycomefromanywhereintheworld.p:wintergames?howcantherunnersenjoycompetinginwinter?andwhataboutthehorses?l:ohno!therearenorunni

13、ngracesorhorseridingevents.insteadtherearecompetitionslikeskiingandiceskatingwhichneedsnowandice.thatswhytheycalledthewinterreolympics.itsinthesummerolympicsthatyouhavetherunningraces,togetherwithswimming,sailingandalltheteamsports.p:isee.earlieryousaidthatathletesareinvitedfromallovertheworld.doyou

14、meanthegreekworld?ourgreekcitiesusedtocompeteagainsteachotherjustforthehonourofwinning.noothercountriescouldjoinin,norcouldslavesorwomen!l:nowadaysanycountrycantakepartiftheirathletesaregoodenough.thereareover250sportsandeachonhasitsownstandard.womenarenotonlyallowed,butplayaveryimportantroleingymna

15、stics,athletics,teamsportsandp:pleasewaitaminute!allthoseevents,allthosecountriesandevenwomentakingpart!wherearealltheathleteshoused?l:foreacholympics,aspecialvillageisbuiltforthemtolivein,amainreceptionbuilding,severalstadiumsforcompetitions,andagymnasiumaswell.p:thatsoundsveryexpensive.doesanyonew

16、anttohosttheolympicgames?l:asamatteroffact,everycountrywantstheopportunity.itsagreatresponsibbutalsoagreathonourtobechosen.theresasmuchcompetitionamongcountriestohosttheolympicsastowinolympicmedals.the2008olympicswillbeheldinbeijing,china.didyouknowthat?p:ohyes!youmustbeveryproud.l:certainly.andafte

17、rthatthe2012olympicswillbeheldinlondon.theyhavealreadystartedplanningforit.anewvillagefortheathletesandallthestadiumswillbebuilttotheeastoflondon.newmedalswillbedesignedofcourseandp:didyousaymedals?soeventheolivewreathhasbeenreplaced!ohdear!doyoucompeteforprizemoneytoo?.sthemottooftheolympics,you-“k

18、nowsifter,higherandstronger.l:no,wedonitstillallaboutbeingabletorunfaster,jumphigherandthrowfurther.that”sp:well,thatgoodnews.howinteresting!thankyousomuchforyourtime.thestoryofatlantaatlantawasagreekprincess.shewasverybeautifulandcouldrunfasterthananymaningreece.butshewasnotallowedtorunandwingloryf

19、orherselfintheolympicgames.shewassoangrythatshesaidtoherfatherthatshewouldnotmarryanyonewhocouldnotrunfasterthanher.herfathersaidthatshemustmarry,soatlantamadeabargainwithhim.shesaidtohim,thesearemyrules.whenamansayshewantstomarryme,iwillrunagainsthim.ifhecannotrunasfastasme,hewillbekilled.noonewill

20、bepardoned.manykingsandprinceswantedtomarryatlanta,butwhentheyheardofrulestheyknewitwashopeless.somanyofthemsadlywenthome,butothersstayedtoruntherace.therewasamancalledhippomeneswhowasamazedwhenheheardofatlantasrules,whyarethesemensofoolish?hethought.whywilltheyletthemselvesbekilledbecausetheycannot

21、runasfastasthisprincess?however,whenshesawatlantacomeoutofherhousetorun,hippomeneschangedhismind.iwillmarryatlanta-ordie!hesaid.theracestartedandalthoughthemanranveryfast,atlantaranfaster.ashippomeneswatchedhethought,howcanirunasfastasatlanta?hewenttoaskthegreekgodnessofloveforhelp.shepromisedtohelp

22、himandgavehimthreegoldenapples.shesaid,throwanappleinfrontofatlantawhensheisrunningpast.whenshestopstopickitup,youwillbeabletorunp103fastherandwin.hippomenestooktheapplesandwenttotheking.hesaid,iwanttomarryatlanta.thekingwassadtoseeanothermandie,buthippomenessaid,iwillmarryher-ordie!sotheracebegan.u

23、nit3whoami?overtimeihavebeenchangedquitealot.ibeganasacalculatingmachineinfrancein1642.althoughiwasyoungicouldsimplifydifficultsums.idevelopedveryslowlyandittooknearlytwohundredyearsbeforeiwasbuiltasananalyticalmachinebycharlesbabbage.afteriwasprogrammedbyanoperatorwhousedcardswithholes,icould“think

24、”logicallyduceandanproanswerquickerthananyperson.atthattimeitwasconsideredatechnologicalrevolutionandthestartofmyintelligence”.in1936myrealfather,alanturing,wroteabookabouthowicouldbemadetoworkasa“universalmachinesolve”anytodifficultmathematicalproblem.fromthenon,igrewrapidlybothinsizeandinbrainpowe

25、r.bythe1949sihadgrownaslargeasaroom,andiwonderedifiwouldgrowanylarger.however,thisrealityalsoworriedmydesigners.astimewentby,aswasmakesmaller.firstasapc(personalcomputer)andthenasalaptop,ihavebeenusedinofficesandhomessincethe1970s.thesechangesonlybecamepossibleasmymemoryimproved.firstitwasstoredintu

26、bes,thenontransistorsandlateronverysmallchips.asaresultitotallychangedmyshape.asihavegrownolderihavealsogrownsmaller.overtimemymemoryhasdevelopedsomuchthat,likeanelephant,ineverforgetanythingihavebeentold!andmymemorybecamesolargethatevenicouldntbelieveit!butiwasalwayssolonelystandingtherebymyself,un

27、tilinearly1960stheygavemeafamilyconnectedbyanetwork.iwasabletosharemyknowledgewithothersthroughtheworldwideweb.sincethe1970smanynewapplicationshavebeenfoundformy.ihavebecomeveryimportantincommunication,financeandtrade.ihavealsobeenputintorobotsandusedtomakemobilephonesaswellashelpwithmedicaloperatio

28、ns.ihaveevenbeenputintospacerocketsandsenttoexplorethemoonandmars.anyhow,mygoalistoprovidehumanswithalifeofhighquality.iamnowtrulyfilledwithhappinessthatiamadevotedfriendandhelperofthehumanrace!“andytheandroidimpartofanandroidfootballteam.aboutonceayearweareallowedtogettogethertoplayagameoffootball.

29、imasbigasahuman.itfact,ilooklikeonetoo.onthefootballteamimastrikersoihavetobeabletorunveryfast.mycomputershipshelpmetomoveandthinklikeahuman.forexample,ihavelearnedtosignaltomyteammatesincomputerlanguagetogivemetheballwheniamopenandhaveagoodforagoal.myfirstfootballcompetitionwasinnagoya,japanseveral

30、yearsago.lastyearourteamwenttoseattle,washingtonintheusa.wewonsecondplace.personally,ithinktheteamthatwonfirstplacecheated.theyhaddevelopedanewtypeofprogramjustbeforethecompetition.soweneedtoencourageourprogrammertoimproveourintelligencetoo.wearedeterminedtocreateanevenbettersystem.inawayourprogramm

31、erislikeourcoach.sheprogramsuswithallthepossiblemovesshehasseenwhilewatchinghumangames.thenshepreparesreliablemovestouseifanewsituationarises.inthiswayicanmakeupnewmovesusingmy“artificialintelligence”.icouldliketoplayagainstahumanteam,forihavebeenprogrammedtoactjustlikethem.afterall,withthehelpofmye

32、lectronicbrainwhichneverforgetsanything,usingmyintelligenceiswhatimallabout!unit4howdaisylearnedtohelpwildlifedaisyhadalwayslongedtohelpendangeredspeciesofwildlife.onedayshewokeupandfoundaflyingcarpetbyherbed.“whereyoudowanttogo?”itasked.daisyrespondedimmediately.“idliketoseesomeendangeredwildlife,”

33、shesaid.takemetoadistantlandwhereicanfindtheanimalthatgavefurtomakethissweater.”onceatthecarpetflewawayandtookhertotibet.thered103faisysawandantelopelookingsad.itsaid,“werebeingkilledforthewoolbeneathourstomachs.ourfurisbeingusedtomakesweatersforpeoplelikeyou.asaresult,wearenowanendangeredspecies.”a

34、tthatdaisycried,“imsorryididntknowiwonderwhatisbeingdonetohelpyou.flyingcarpet,pleaseshowmeaplacewheretheressomewildlifeprotection.”theflyingcarpettraveledsofastthatnextminutetheywereinzimbabwe.daisyturnedaroundandfoundthatshewasbeingwatchedbyandelephant.“haveyoucometotakemyphoto?”itasked.inreliefda

35、isyburstintolaughter.“dontsaidtheelephant,“weusedtobeanendangeredspecies.farmershuntedtuswithoumercy.theysaidwedestroyedtheirfarms,andmoneyfromtouristsonlywenttothelargetourcompanies.sothegovernmentdecidedtohelp.theyallowedtouriststohuntonlyacertainnumberofanimalsiftheypaidthefarmers.nowthefarmersar

36、ehappyandournumbersareincreasing.sogoodthingsarebeingdoneheretosavelocalwildlife.”daisysmiled,“thatsgoodnews.itshowstheimportanceofwildlifeprotection,butidliketohelpasthewwfsuggests.”thecarpetroseagainandcealmosttheyatonwereinathickrainforest.amonkeywatchedthemasitrubbeditself.“whataredoing?”askedda

37、isy.“iprotectingmmyselffrommosquitoes,it”replied.whenifindamillipedeinsect,irubitovermybody.itcontainsapowerfuldrugwhichaffectsmosquitoes.youshouldpaymoreattentiontotherainforestwhereilivetheappreciatehowtheanimalslivetogether.norainforest,noanimals,nodrugs.”daisywasamazed.“flyingcarpet,pleasetakeme

38、homesoicantellwwfandwecanbeginproducingthisnewdrug.monkey,pleasecomeandhelp.”themonkeyagreed.thecarpetflewhome.astheylanded,thingsbegantodisappear.twominuteslatereverythinghadgone-themonkey,too.sodaisywasnotabletomakehernewdrug.butwhatanexperience!shehadlearnedsomuch!andtherewasalwayswwfanimalextinc

39、tionmanyanimalshavedisappearedduringthelonghistoryoftheearth.themostfamousoftheseanimalsaredinosaurs.theylivedontheearthtensofmillionsofyearsago,longbeforehumanscameintobeingandtheirfutureseemedsecureatthattime.thereweremanydifferentkindsofdinosaurandanumberofthemusedtoliveinchina.theeggsoftwenty-fi

40、vespecieshavebeenfoundinxixia,county,nanyang,henanprovince.notlongagoararenewspeciesofbird-likedinosaurwasdiscoveredinchaoyangcounty,liaoningprovince.whenscientistsinspeactedthebones,theyweresurprisedtofindthatthesedinosaurscouldnotonlyrunliketheothersbutalsoclimbtrees.theylearnedthisfromthewaythebo

41、neswerejoinedtogether.dinosaursdiedoutsuddenlyabout65millionyearsago.somescientiststhinkitcameafteranunexpectedincidentwhenahugerockfromspacehittheearthandputtoomuchdustintotheair.othersthinktheearthgottoohotforthedinosaurstoliveonanymore.nobodyknowsforsurewhyandhowdinosaursdisappearedfromtheearthin

42、suchashorttime.weknowmanyotherwildplants,animals,insectsandbirdshavediedoutmorerecently.accordingtoaunreport,some844animalsandplantshavedisappearedinthelast500years.thedodoisoneofthem.itlivedontheislandofmauritiusandwasaveryfriendlyanimal.pleaselistentoastoryofthedodoandhowitdisappearedfrometheearth

43、.unit5thebandthatwasnthaveyoueverwantedtobepartofabandasafamoussingerormusician?haveyoueverdreamedofplayinginfrontofthousandsofpeopleataconcert,atwhicheveryoneisclappingandappreciatingyourmusic?doyousingkaraokeandpretendyouareafamoussingerlikesongzuyingorlinhuan?tobehonest,alotofpeopleattachgreatimp

44、ortancetobecomingrichandfamous.butjusthowdopeopleformaband?manymusiciansmeetandformabandbecausetheyliketowriteandplaytheirownmusic.theymaystartasagroupofhigh-schoolstudents,forwhbacompracticingtheirmusicinsomeoneshoursisthefirststeptofame.sometimestheymayplaytopassers-byinthestreetorsubwaysothatthey

45、canearnsomeextramoneyforthemselvesortopayfortheirinstruments.latertheymaygiveperformancesinpubsorclubs,forwhichtheyarepaidincash.ofcoursetheyhopetomakerecordsinastudioandsellmillionsofcopiestobecomemillionaires!however,therewasonebandhatstartedinadifferentway.itwascalledthemonkeesandbeganasatvshow.themusiciansweretoplayjokesoneachotheraswellasplaymusic,mostofwhichwasbasedlooselyonthebeatles.thetvorganizershadplannedto