全新版大学进阶英语综合教程第二册答案U5-Key-to-Exercises

Unit5PioneersofFlightKeytoExercisesOpenerAMightyAirplaneBuiltbyHowardHughesin1947LengthItwas220feetlong.HeightItwashigherthanafive-storybuilding.WeightItweighedabout60tons.TripIthadtomakethetripfromCulvercityinCaliforniatothePacific,whichis30milesaway.Reading&InteractingI.UnderstandingtheText1.TextOrganizationStoryTheheroWhenithappenedHowitrelatestomodernaviation1WanHuA.D.1500WanHu’scrazydreamcontainstheprinciplesofrocket-poweredspaceflight.2HowardHughesOnNovember2,1947ManyofthedesignfeaturesoftheSpruceGoosehavebeenincorporatedintomoderncargoplanes.3LeonardodaVinciAbout500yearsagoTheflyingdeviceswithflappingwingscontrolledandsteeredbyhumanpilotshedesignedstillinspirepeopletopursuetheirdreamsofflyingfreelyinthesky.2.ComprehensionCheck2.1FocusingonthemainideasThearticleconsistsofthreestoriesaboutpioneersofflight.ThefirststoryisaboutaChinesenamedWanHu,whomadeanunsuccessfulattemptatspaceflightinA.D.1500.Hebuiltaspaceshippoweredby47rocketsusinggunpowder.Hisideawascrazy,buthisdreamofflightcametrue500yearslaterwhenChinasuccessfullylauncheditsfirstmannedShenzhouVspaceship.ThesecondoneisabouttheSpruceGoose,aflyingboatdesignedtomeettheneedoftransportingtroopsandmaterialsduringWorldWarII.Itwasmadeentirelyofwoodandstillholdstherecordforthegreatestwingspan.Althoughitwasneverputtouse,manyofitsdesignfeatureshavebeenincorporatedintotoday’scargoplanes.ThelastisaboutLeonardodaVinci,themostfamousartistoftheRenaissance.Apartfromhisgreatartisticwork,healsodrewsketchesofflyingdeviceswithflappingwingscontrolledandsteeredbyhumanpilots.Fivehundredyearslater,aprofessionalparachutistmadeasuccessfuljumpusingawoodandcanvasparachutebasedononeofdaVinci’sdesigns/sketches.2.2Diggingintodetail1.Becauseitwaspoweredbyrockets.2.Itwasthebiggestairplaneeverbuiltuptothattime,andstillholdstherecordforthegreatestwingspan.Besides,itwasmadeentirelyofwood.3.No,becauseitwasbehindscheduleandwasnotcompleteduntilwellafterthewar.4.DaVinci’sflyingmachineshavewingsthatflaplikebirdsinflight.5.Becauseitisdifficultforordinarypeopletounderstandtheirpassionforflight,theirspiritofinnovation,andtheircouragetotryandmaketheirdreamcometrue.2.3Understandingdifficultsentences1.A2.B3.A4.B5.BII.FocusingonLanguageinContext1.KeyWords&Expressions1.11.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.ThemoneywasgiventoAnnasascholarship,withnoconditionsattached.1.21.steer2.behindschedule3.aheadofhistime4.Transportationof5.confirmed6.putondisplay7.harnessing8.haditsrootsin1.31.Theartistdrewasketchoftheyoungladybeforegoingintoamoredetailedpainting.2.Browncurrentlyisfocusingondevising/designinganewtypeofwashingmachinethatdoesnotusewater.3.Weneedtoadoptadifferentapproachtomusicineducation.4.Usuallyalabelwithyournameandaddressisattachedtoyoursuitcasebeforeyoucheckinattheairport.5.Anewsystemshouldbedevisedbecausetheoldsystemsimplydoesn’twork.2.Collocation1.Werejectedtheproposalasamatterofprinciple.2.AlthoughIamnotanAmericanfootballfan,itdoesn’tmeanIhavenointerestinit.3.Demandforcoalisdownandsoaretheprices.4.Bikingisagreenalternativetodriving.5.Ourresearchonclimatechangefocusesonitseffectontheenvironment.3.SentencePatterns3.11.Ourreadingroomhasmanyinterestingbooksaswellasthelatestmagazines.2.The300-pagebookcontainsmanypicturesoftheartistaswellassomeofhisfamouspaintings.3.Forcharacterbuilding,oneneedstosucceedaswellasfailsometimes.4.ThelatestmodeloftheHuaweimobilephoneisverypopularathomeaswellasabroad.3.21.LegendhasitthattheguyinventedchesstopleasehisKing.2.WordhasitthattheCEOofmycompanywillretirenextyear.3.Rumorhasitthathehasspentallhismoneyonthiscrazyandriskyplan.4.Legendhasitthatthosewhostepontothisstonewillhavegoodluck.4.ComprehensivePractice4.1ClozeLong,longagoGreeklegendhasitthatDaedalus,abrilliantinventor,wasimprisonedtogetherwithhissonIcarusonanislandintheMediterranean.Inordertoescape,Daedalusdevisedacleverplanandsketchedouthisideatohisson.Theywouldbothflyawayfromtheislandlikebirds.Itwasrisky,butboththoughtitworthatry.Usingfeathersattachedtogethe