武汉二中2021-2022学年高二上学期期末考试英语（阅读理解E）.docx

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1、武汉二中2021-2022学年高二上学期期末考试英语（阅读理解E）从A、B、C、D四个选项中，选出可以填入空白处的最佳选项Asmotorwaysbecomemoreandmoreblockedupwithtraffic,anewgenerationonflyingcarswillbeneededtoferrypeoplealongskyways.ThatistheconclusionofengineersfromtheUSspaceagencyandaeronauticalfirms,whoenvisionfuturecommuterstravelingbyskycar.Thesecouldl

2、ookmuchliketheconceptskycarshowninthepicture,designedbyBoeingresearchanddevelopment.However,suchvehiclescouldbesome25yearsfromappearingonthemarket.Effortstobuildflyingvehiclesinthepasthavenotbeenverysuccessful.Suchvehicleswouldnotonlybeexpensiveandrequiretheskillsofatrainedpilottofly,buttherearesign

3、ificantengineeringchallengesinvolvedindevelopingthem.Whenyoutrytocombinethemyougettheworstofbothworlds:averyheavy,slow,expensivevehiclethat’shardtouse,saidMarkMoore,headofthepersonalairvehicle(PAV)divisionofthevehiclesystemsprogramatNasa’sLangleyResearchCenterinHampton,US.ButBoeingisalso

4、consideringhowtopolicetheairwaysandpreventtotalpandemonium(吵杂狂乱的喧闹)ifthousandsofflyingcarsentertheskies.Theneat,gee-whizpartisthinkingaboutwhatthevehicleitselfwouldlooklike,saidDickPaul,avicepresidentwithPhantomWorks,Boeing’sresearchanddevelopmentarm.Butwe’retryingtothinkthroughallthecon

5、sequencesofwhatitwouldtaketodeploy(散开)afleetofthese.Pastproposalstosolvethisproblemhaveincludedartificialintelligencesystemstopreventcollisionsbetweenairtraffic.Nasaisworkingonflyingvehicleswiththeinitialgoaloftransformingsmallplanetravel.Smallplanesaregenerallycostly,loud,andrequiremonthsoftraining

6、andlotsofmoneytooperate,makingflyingtoworkimpracticalformostpeople.Butwithinfiveyears,Nasaresearchershopetodeveloptechnologyforasmallplanethatcanflyoutofregionalairports,costslessthan$100,000(£55,725),isasquietasamotorcycleandassimpletooperateasacar.Althoughitwouldnothaveanyroad-drivingcapabil

7、ities,itwouldbringthisformoftravelwithinthegraspofawidersectionofpeople.Thenewtechnologywouldautomatemanyofthepilot’sfunctions.ThisSmallAircraftTransportationSystem(Sats)woulddivertpressureawayfromthehub-and-spoke(中心辐射型)modelofairtravel.Hub-and-spokereferstothetypicallyUSmodelofpassengersbeing

8、processedthroughlargehubairportsandthenontosecondaryflightstospokeairportsneartheirfinaldestinations.1Thebesttitleforthistextwouldbe_.A.DevelopingSkycarsB.TheTrafficJamsintheSkyC.HowtoGuideFlyingCarsintheSkyD.WhatFlyingCarsWillLookLike查看原文2TheunderlinedwordenvisioninParagraph1mostprobablymeans_.A.im

9、agineB.expectC.thinkD.announce查看原文3Whenengineersdeveloptheskycars,theyhavetodealwiththefollowingdifficultiesexcept_.A.howtoflyoutofregionalairportsB.howtopreventthedisorderoftheairwaysC.howtoreduceexpensesandthevehicle’sweightD.howtoflytheskycarstoenterskies查看原文4NowNasaresearchers’aimist

10、o_.A.makebigflyingcarsB.workouttheplan-howtotransformsmallplanetravelC.developanewkindofsmallplanedifferentfromthetraditionaloneD.buildanewkindofsmallplanewithroad-drivingabilities查看原文第4页 共4页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页第 4 页 共 4 页