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Unit5PioneersofFlightKeytoExercisesOpenerAMightyAirplaneBuiltbyHowardHughesin1947LengthItwas220feetlong.HeightItwashigherthanafive-storybuilding.WeightItweighedabout60tons.TripIthadtomakethetripfromCulvercityinCaliforniatothePacificwhichis30milesaway.ReadingInteractingI.UnderstandingtheText
1.TextOrganizationStoryTheheroWhenithappenedHowitrelatestomodernaviation1WanHuA.D.1500WanHu’scrazydreamcontainstheprinciplesofrocket-poweredspaceflight.2HowardHughesOnNovember21947ManyofthedesignfeaturesoftheSpruceGoosehavebeenincorporatedintomoderncargoplanes.3LeonardodaVinciAbout500yearsagoTheflyingdeviceswithflappingwingscontrolledandsteeredbyhumanpilotshedesignedstillinspirepeopletopursuetheirdreamsofflyingfreelyinthesky.
2.ComprehensionCheck
2.1FocusingonthemainideasThearticleconsistsofthreestoriesaboutpioneersof...。