全新版大学进阶英语综合教程第二册答案u5keytoVIP免费

Unit5PioneersofFlightKeytoExercisesOpenerAMightyAirplaneBuiltbyHowardHughesin1947LengthItwas220feetlong.HeightItwashigherthanafive-storybuilding.WeightItweighedabout60tons.TripIthadtomakethetripfromCulvercityinCaliforniatothePacific,whichis30milesaway.Reading&InteractingI.UnderstandingtheText1.TextOrganizationStoryTheheroWhenithappenedHowitrelatestomodernaviation1WanHu.1500WanHu’scrazydreamcontainstheprinciplesofrocket-poweredspaceflight.2HowardHughesOnNovember2,1947ManyofthedesignfeaturesoftheSpruceGoosehavebeenincorporatedintomoderncargoplanes.3LeonardodaVinciAbout500yearsagoTheflyingdeviceswithflappingwingscontrolledandsteeredbyhumanpilotshedesignedstillinspirepeopletopursuetheirdreamsofflyingfreelyinthesky.2.ComprehensionCheckFocusingonthemainideasThearticleconsistsofthreestoriesaboutpioneersofflight.ThefirststoryisaboutaChinesenamedWanHu,whomadeanunsuccessfulattemptatspaceflightinHebuiltaspaceshippoweredby47rocketsusinggunpowder.Hisideawascrazy,buthisdreamofflightcametrue500yearslaterwhenChinasuccessfullylauncheditsfirstmannedShenzhouVspaceship.ThesecondoneisabouttheSpruceGoose,aflyingboatdesignedtomeettheneedoftransportingtroopsandmaterialsduringWorldWarII.Itwasmadeentirelyofwoodandstillholdstherecordforthegreatestwingspan.Althoughitwasneverputtouse,manyofitsdesignfeatureshavebeenincorporatedintotoday’scargoplanes.ThelastisaboutLeonardodaVinci,themostfamousartistoftheRenaissance.Apartfromhisgreatartisticwork,healsodrewsketchesofflyingdeviceswithflappingwingscontrolledandsteeredbyhumanpilots.Fivehundredyearslater,aprofessionalparachutistmadeasuccessfuljumpusingawoodandcanvasparachutebasedononeofdaVinci’sdesigns/sketches.Diggingintodetail1.Becauseitwaspoweredbyrockets.2.Itwasthebiggestairplaneeverbuiltuptothattime,andstillholdstherecordforthegreatestwingspan.Besides,itwasmadeentirelyofwood.3.No,becauseitwasbehindscheduleandwasnotcompleteduntilwellafterthewar.4.DaVinci’sflyingmachineshavewingsthatflaplikebirdsinflight.5.Becauseitisdifficultforordinarypeopletounderstandtheirpassionforflight,theirspiritofinnovation,andtheircouragetotryandmaketheirdreamcometrue.Understandingdifficultsentences1.A2.B3.A4.B5.BII.FocusingonLanguageinContext1.KeyWords&Expressions1.Heregardslearningasadailyexperienceaswellasalifetimemission.2.Hisplanistodesignanewmodel,intowhichsomefeaturesofpreviousmodelswillbeincorporated.3.Theship,with1,000passengersaboard,wasboundforNewYork.4.It’sonethingtolearntherulesofpoliticsfrombooks.Itisquiteanothertogetintothecomplexworldofreal-lifepolitics.5.Atyesterday’ssportsmeet,myroommateBrianbroketherecordofourschoolinthemen’s100-meterrace.6.Jackhadahardtimegraspingthebasicconceptsofmathematics.7.Theyareworkingonanewproject,whichcallsfora(n)enormousamountoftimeandenergy.8.AfterIboughtthisiPad,Iputintostoragemyoldcomputer.9.Thenewlawtriestomaintainabalancebetweennationalinterestsandindividualrights.10.Theteacherdrewa(n)analogybetweenthehumanheartandapumptohelpstudentsunderstandhowitworks.11.Ifweteachersbelieveineducationandfocusonstudents’growth,ourlaborwilleventuallypayoff.12.Ondisplayintheexhibitionroomisanewdevicetoharnesswindpower.13.Hisnewlypublishedbook,whichhasmadewavesinliterarycircles,isbasedoneventsthatthewriterhimselfhaswitnessed.14.Atthemeeting,hetriedtosteerthediscussionawayfromcriticizingtheeducationalexperiment.15.ThemoneywasgiventoAnnas...