听力教程第三册答案UNIT2_第1页
听力教程第三册答案UNIT2_第2页
听力教程第三册答案UNIT2_第3页
听力教程第三册答案UNIT2_第4页
听力教程第三册答案UNIT2_第5页
已阅读5页,还剩6页未读 继续免费阅读

下载本文档

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

UNIT2Part2PassageTheWrights’StoryOnthemorningofDecember17,1903,between10:30a.m.andnoon,fourflightsweremade,twobyOrvilleWrightandtwobyWilburWright.Thestartswereallmadefromapointonthelevelsandabout200feetwestofourcamp,whichislocatedaquarterofamilenorthoftheKillDevilsandhill,inDareCounty,NorthCarolina.Thewindatthetimeoftheflightshadavelocity*of27milesanhourat10a.m.,and24milesanhouratnoon,asrecordedbytheanemometer*attheKittyHawkWeatherBureauStation.Theflightsweredirectlyagainstthewind.Eachtimethemachinestartedfromthelevelgroundbyitsownpoweralonewithnoassistancefromgravityoranyothersourcewhatever.Afterarunofabout40feetalongamonorail*track,whichheldthemachine8inches(20centimeters)fromtheground,itrosefromthetrackandunderthedirectionoftheoperatorclimbedupwardonaninclinedcoursetillaheightof8or10feetfromthegroundwasreached,afterwhichthecoursewaskeptasnearhorizontalasthewindgustsandthelimitedskilloftheoperatorwouldpermit.IntotheteethofaDecembergalethe"Flyer"madeitswayforwardwithaspeedof10milesanhouroverthegroundand30to35milesanhourthroughtheair.Ithadpreviouslybeendecidedthatforreasonsofpersonalsafetythesefirsttrialsshouldbemadeasclosetothegroundaspossible.Theheightchosenwassufficientformaneuvering*insogustyawindandwithnopreviousacquaintancewiththeconductofthemachineanditscontrollingmechanisms.Consequentlythefirstflightwasshort.Thesucceedingflightsrapidlyincreasedinlengthandatthefourthtrialaflightof59secondswasmade,inwhichtimethemachineflewalittlemorethanhalfamilethroughtheairandadistanceof852feetovertheground.Thelandingwasduetoaslighterrorofjudgmentonthepartoftheaviator.Afterpassingoveralittlehummock*ofsand,inattemptingtobringthemachinedowntothedesiredheight,theoperatorturnedtherudder*toofar,andthemachineturneddownwardmorequicklythanhadbeenexpected.Thereversemovementoftherudderwasafractionofasecondtoolatetopreventthemachinefromtouchingthegroundandthusendingtheflight.Aswinterwasalreadywellsetin,weshouldhavepostponedthetrialstoamorefavorableseason,butweweredeterminedtoknowwhetherthemachinepossessedsufficientpowertofly,sufficientstrengthtowithstandtheshocksoflandingsandsufficientcapacityofcontroltomakeflightsafeinboisterous*winds,aswellasincalmair.ExerciseAPre-listeningQuestionOrvilleWright(1871-1948),Americanaeronauticalengineer,famousforhisroleinthefirstcontrolled,poweredflightinaheavier-than-airmachineandforhisparticipationinthedesignoftheaircraft'scontrolsystem.Wrightworkedcloselywithhisbrother,WilburWright(1867-1912),Americanaeronauticalengineer,indesigningandflyingtheWrightairplane.Duringtheyears1900,1901,1902,and1903,thetwobrothersdevelopedthefirsteffectiveairplane.AtKittyHawk,NorthCarolina,onDecember17,1903,OrvilleWrightmadethefirstsuccessfulflightofapiloted,heavier-than-air,self-propelledcraft,calledtheFlyer.ThethirdFlyer,whichtheWrightsconstructedin1905,wastheworld'sfirstfullypracticalairplane.Itcouldbank,turn,circle,makefigureeights,andremainintheairforaslongasthefuellasted,uptohalfanhouronoccasion.ExerciseCDetailedListeningDirections:Listentothepassageandanswerthefollowingquestions.FourflightsweremadeonthemorningofDecember17,1903,twobyOrvilleWrightandtwobyWilburWright.Thewindatthetimeoftheflightshadavelocityof27milesanhourat10a.m.,and24milesanhouratnoon,asrecordedbytheanemometerattheKittyHawkWeatherBureauStation.Eachtimethemachinestartedfromthelevelgroundbyitsownpoweralonewithnoassistancefromgravityoranyothersourcewhatever.Themachineranabout40feetalongamonorailtrackbeforeitrosefromthetrack.Thesefirsttrialsshouldbemadeasclosetothegroundaspossibleforreasonsofpersonalsafety.Themachineflewalittlemorethanhalfamilethroughtheairin59secondsatthefourthtrial.Theearlylandingwasduetoaslighterrorofjudgmentonthepartoftheaviator.Aswinterwasalreadywellsetin,itwasnotafavorableseasonforthetrials.SectionThreeNewsNewsItem2EuropeanFootballEnglishfootballclubLiverpoolcrashedoutoftheChampionsLeague,despitefightingbackfroma3-0deficittotieFCBasel3-3inSwitzerland.LiverpoolneededawinTuesdaytoqualify/forthesecondphase.Instead,theEnglishclubwillplayfortheUEFACup.BaselbecamethefirstSwisssideevertoreachthelast16oftheChampionsLeague,qualifyingsecondinGroupB-behindValenciaofSpain,whichbeatSpartakMoscow3-0.EnglishchampionArsenalplayedtoascorelesshomedrawagainstDutch-sidePSVEindhoventotopGroupAandmoveintothesecondphase,wheretheteamwillbeseeded.They'llbejoinedbyGermanteamBorussiaDortmund*,whichadvanceddespitea1-0losstoAuxerreinFrance.ASRomaplayedtoa1-1drawagainstAEKAthensinItaly,tocapturesecondplaceinGroupC.GroupwinnerRealMadridofSpainwillalsoadvance,afterdrawing1-1withRacingGenk*inBelgium.InGroupD,InterMilanofItalygotapairofgoalsfromHernanCrespotobeatAjaxAmsterdam2-1intheNetherlands.BothteamsqualifiedattheexpenseofFrenchsideLyon,whichwasheldtoa1-1drawbyRosenborginNorway.ExerciseADirections:Listentothenewsitemandcompletethesummary.ThisnewsitemisaboutEuropeanfootballmatches.ExerciseBDirections:Listentothenewsagainanddecidewhetherthefollowingstatementsaretrue(T)orfalse(F).1.T2.F3.F4.T5.T6.F7.TNewsItem3KemperOpenGulfPreviewTheannualKemperOpen*golftournamentgetsunderwayThursdaynearWashingtonattheTournamentPlayersClubatAvenel.Twenty-eight-year-oldAmericanRichBeemisbacktodefendhistitle.Beforehisvictoryhere,hehadmissedthehalfwaycutsinfivestraighttournaments.Hehopeshecanagainfindhisformduringthenextfourdays,asheiscurrently132ndonthemoneylist.Theplayerwhoisnumber-oneongolf'smoneylistandintheworldrankings,AmericanTigerWoods,decidedtoskipthiseventafterwinningtherain-delayedMemorialOpenin(Dublin)OhioonMonday.Compatriot*JeffSlumansaysevenTigerhastotakeperiodicbreaks.He'sunbelievable.He'sgotanopportunity,asIsaidevenacoupleyearsago,ifhestayshealthyanddoestherightthings,hecanmaybebethebestgolferofalltime,andhe'sshowingrightnowwhathecando.Thekidisjustafabulous,fabulousplayer,buthecan'tplayeveryweek."Eightofthepast10KemperOpenwinnersareinthisyear'sfieldof156golfers,whoarevyingforthreemilliondollarsinprizemoney.Thefirst-placecheckhasbeenincreasedfrom450thousandto540thousanddollars.ExerciseADirections:Listentothenewsitemandcompletethesummary.ThisnewsitemisaboutanannualKemperOpengolftournamentonThursday.ExerciseBDirections:Listentothenewsagainandanswerthefollowingquestions."TheKemperOpengolftournamentwillbeheldonThursday.RichBeemcomesbacktodefendhistitle.Heiscurrentlyranked132ndonthemoneylist.TigerWoodsisnumber-oneongolf'smoneylistandintheworldrankings.HehastotakeabreakafteramatchonMonday.Thereare156golferstakingpartinthisevent.Thetotalprizemoneyisthreemilliondollars.Theprizeforthefirstplaceis540thousanddollarsSectionFourSupplementaryExercisePart2PassageAskanyoneinBrazilwhoinventedtheairplane,andtheywillsayAlbertoSantos-Dumont,abonvivantaswell-knownforhisaerialprowessashewasforhisdandyish*dressandplaceinthehigh-societylifeofBelleEpoqueParis.AsPaulHoffmanrecountsinhisbiographyWingsofMadness,theeccentric*Brazilianwastheonlypersoninhisdaytoownaflyingmachine."Hewouldkeephisdirigible*tiedtoagaslamppostinfrontofhisParisapartmentattheChampsElysees,andeverynighthewouldflytoMaxim'sfordinner.Duringthedayhe'dflytogoshoppingortovisitfriends,"Hoffmansaid.ItwasonNovember12,1906,whenSantos-Dumontflewakite-likecontraption*withboxywingscalledthe14-Bissome220metersontheoutskirtsofParis.Sincehiswasthefirstpublicflightintheworld,hewashailedastheinventoroftheairplanealloverEurope.ItwasonlylaterthatOrvilleandWilburWrightprovedtheyhadbeatenSantos-DumontatKittyHawk,NorthCarolina,threeyearsearlier.ButtobringuptheWrightbrotherswithaBrazilianisboundtoelicit*anavalancheofargumentsastowhytheirflightdidn'tcount."It'soneofthebiggestfrauds*inhistory,"scoffsWagnerDiogo,ataxidriverinRiodeJaneiro."Noonesawit,andtheyusedacatapult*tolaunchtheairplane."Thedebatecentersonthedefinitionofflight.HenriqueLinsdeBarros,aBrazilianphysicistandSantos-Dumontexpert,arguesthattheWrightbrothers'flightdidnotfulfilltheconditionsthathadbeensetupatthetimetodistinguishatrueflightfromaprolongedhop.Santos-Dumont'sflightdidmeetthecriteria:Hetookoffunassisted,publiclyflewapredeterminedlengthandthenlandedsafely."Ifweunderstandwhatthecriteriawereattheendofthe19thcentury,theWrightbrotherssimplydidnotfillanyoftheprerequisites,"saidLinsdeBarros.BraziliansclaimthattheWrightslaunchedtheirFlyerin1903withacatapultoratanincline,disqualifyingitfrombeingatrueairplane.EvenSantos-DumontexpertslikeLinsdeBarrosconcede*thisiswrong.HesaysthatthesteadywindsatKittyHawkwerecrucialfortheFlyer'stakeoff,disqualifyingtheflightbecauseitprobablycouldnotliftoffonitsown.PeterJakab,chairmanoftheaeronauticsdivisionattheUSNationalAirandSpaceMuseumin/Washington,sayssuchclaimsarepreposterous*.BythetimeSantos-DumontgotaroundtohismaidenflighttheWrightbrothershadalreadyflownnumeroustimes,includingoneflightinwhichtheyflew39kilometers.EveninFrancetheWrightsareconsideredtohaveflownbeforeSantos-Dumont,saysClaudeCarlier,directoroftheFrenchCenterfortheHistoryofAeronauticsandSpace.ByroundingtheEiffelTowerinamotorizeddirigiblein.190I,Santos-Dumonthelpedprovethatairtravelcouldbecontrolled.ExerciseCDetailedListeningDirections:Listentothepassageanddecidewhetherthefollowingstatementsaretrue(T)orfalse(F).Discusswithyourclassmateswhyyouthinkthestatementistrueorfalse.T- 1.TheBraziliansbelievethatitwasAlbertoSantos-Dumontwhoinventedtheairplane.(AskanyoneinBrazilwhoinventedtheairplane,andtheywillsayAlbertoSantos-Dumont...)T- 2.InPaulHoffman'sdayAlbertoSantos-Dumontwastheonlypersontoownaflyingmachine.(AsPaulHoffmanrecountsinhisbiographyWingsofMadness,theeccentricBrazilianwastheonlypersoninhisdaytoownaflyingmachine.)T- 3.AccordingtoHoffman,AlbertoSantos-Dumontusedhisdirigibleasameansoftransportation.(HewouldkeephisdirigibletiedtoagaslamppostinfrontofhisParisapartmentattheChampsElysees,andhewouldflytoMaxim'sfordinnereverynightandhe'dflytogoshoppingortovisitfriendsduringtheday.)F4.OnNovember12,1906,

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。

评论

0/150

提交评论