国开在线答案
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2022-09-12
[单选] Hegavethebossareportwhich__________thecurrentmarket.
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2022-09-12
[简答] 二、完型填空：阅读下面短文，从A、B、C三个选项中选择合适的内容将短文补充完整。 Youjumpintoacar,tellitwhereyouwanttogothensitbackandletacomputertakecontrol.Itseemsadreaminthefuture.Itisn't. Inmanywayssuchdriverlesscarsarealreadywithus.Thereispartialautomationinmanycars,suchasintelligentbraking,lanedeparturewarningandautomaticparking.Thesystemsarethere carscanprettymuchdrivethemselves.Noonenoticedtheintroductionofcruisecontrol.We'vegotcollisionavoidance,andwe'llsoonhaveautomaticlanechange. Improvingthistechnologyshouldmaketheroadssafer.Machinesaremuchbetteratfollowingrulesthanhumans.Drivewaysignsadvisedriverstoslowdowntoavoid jams.Theyareoftenignoredbydrivers.Butitwon'thappen acomputer.Driverlesscarscouldalsochoosethebestroutetoavoidtrafficjams. Fewerjamswillmean stop-startdriving.Maintainingsmoothandconstantspeedswillimprovefuelefficiency.Computerscouldalsobeprogrammedtotakethegreenestroute,ratherthanthefastestone.Under computercontrol,carscouldalsotravelmuchclosertogether. Theycaneffectively“slipstream”oneanotheranduselessfueltomovethemselvesforward.Theycanevenformmulti-car“trains”going highspeeds.However,withdriverlesscarsontheroads,therewillbepotentialtrustissuesbetweenpeopleandmachines.Wecouldthereforeseeguardrailsbackonthesidesofpavements.Thiswouldbeabackwardsstep.1. A.because B.sothat C.suchas2. A.creating B.tocreat C.creat3. A.with B.to C.on4. A.more B.little C.less5. A.over B.in C.at
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2022-09-12
[单选] — Oh,dear!I'vejustbrokenawindow.— .
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2022-09-12
[单选] — Howareyoufeeling?— Muchbetter. .
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2022-09-12
[单选] somebodydecidestobreaktherules?
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2022-09-12
[单选] Theorganizationwill asurveyaboutthecareerchoicesofthecollegegraduates.
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2022-09-12
[简答] 二、阅读理解：阅读下面短文，选择合适的内容将短文补充完整。 That'swhatthismaterialdoes.ItisdevelopedfortheBritishArmy.Thefabricismadeof yarn.Theyarncanconductelectricity fromabatterypacktoanywhereinyourclothing.Itcanchargeyourgadgetsoncontact. Itcancarryeitherpowerordatathroughasoldier'sclothes,helmet,orbackpack.Itcangearthatotherwiseneedsseparatepowersources.Thematerialshavebeenfieldtested.Buttheystillneedtobeweather-proofed. Rightnow,chargingupabatterystillinvolveswires,chargers,andsockets.Inductivechargingisdeveloping.Butyoucannotjustputyourphonedownonanysurfaceandstartpoweringup. Andwhatifthatcouldbehackedtogetherwithsomekindofinductivecharging?You'dbeabletoalmosttotallycutthecordwithyourgadgets.Yes,you'dneedtochargeupwhateverpowersourceyou'reusingnowandthen.Butkeepapairofkhakispluggedinwhiletheyhanginthecloset. A.Butwhatifyourpantsorjacketorbagcouldchargeyourphone,orlaptoporanythingelse? B.ThefabricisdevelopedbyIntelligentTextiles. C.Imaginehavingjeansthatchargeyourphonejustbyputtingitinyourpocket. D.Itisalotdifferentfromhavingtoremembertopluginyourphone. E.Andthat'sallgreat,butwouldthiseverbemadeitintoyourhome,andchargeyourphoneorlaptopsomeday?
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2022-09-12
[单选] 混凝土极限拉应变约为（）。
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2022-09-12
[单选] 钢筋HPB235、HRB335、HRB400和RRB400屈服时，其应变约为（）。
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2022-09-12
[单选] 下列关于钢筋混凝土结构的说法错误的是（）。
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