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必修第三册Unit5阅读理解题组——练速度(35mins)阅读理解ATrafficlights,ortrafficsignals,arelocatedonmostmajorcornersincitiesandtownsaroundtheworld.Thered,yellowandgreenlightsletusknowwhenitissafetodrivethroughtheintersection(十字路口)andwhentowalkacrossthestreetaswellaswhentostopandletotherdrivers,bikersandpedestrianstaketheirturnstocontinueontheirway.Trafficjamswereaproblemevenbeforetheinventionoftheautomobile.Horse-drawncarriagesandpedestrianscrowdedtheroadsofLondoninthe1860s.ABritishrailwaymanager,JohnPeakeKnight,suggestedadaptingarailroadmethodforcontrollingtraffic.Railroadsusedasemaphore(信号)systemwithsmallarmsextendingfromapoletoindicatewhetheratraincouldpassornot.InKnight'sadaptation,semaphoreswouldsignal“stop”and“go”duringtheday,andatnightredandgreenlightswouldbeused.Gaslampswouldlightupthesignatnight.Apoliceofficerwouldbestationednexttothesignalstooperatethem.Theworld'sfirsttrafficsignalwasinstalledin1868,attheintersectionofBridgeStreetandGreatGeorgeStreetintheLondonborough(行政区)ofWestminster,neartheHousesofParliamentandWestminsterBridge.ItwasasuccessandKnightpredictedmorewouldbeinstalled.However,onlyonemonthlater,apoliceofficercontrollingthesignalwasbadlyinjuredwhenaleakinagasmaincausedoneofthelightstoexplodeinhisface.Theprojectwasdeclaredapublichealthhazardandimmediatelydropped.Followingtheaccident,aboutfourdecadespassedbeforetrafficsignalsbegantogrowinpopularityagain,mainlyintheUnitedStatesasmoreautomobileshittheroad.Theearly1900ssawseveralpatentsbeingfiled,eachwithadifferentinnovationtothebasicidea.ThefirstelectrictrafficlightusingredandgreenlightswasinventedbyLesterFarnsworthWire,apoliceofficerinSaltLakeCity,Utah.Wire'strafficsignalresembledafour-sidedbirdhousemountedonatallpole.Itwasplacedinthemiddleofanintersectionandwaspoweredbyoverheadtrolleywires.Apoliceofficerhadtomanuallyswitchthedirectionofthelights.1.Whatbenefitdotrafficlightsbringtotheworld?A.Theyletthepedestriansknowhowtocrosstheintersection.B.Theydecoratemostmaincornersincitiesandtownsaroundtheworld.C.Theyhelptosolvetheproblemsoftrafficblocks.D.Theykeepussafebystoppingdrivers,bikersandpedestrians.2.WhatcanwelearnfromParagraphs2&3?A.Knightinventedelectrictrafficlightstoeasetrafficjams.B.Asemaphoresystemcontainedsmallarmsextendingfromapoletoguidetrains.C.Semaphoresonlyworkedduringtheday.D.Knight'ssignalsystemrequiredapolicemantoguarditallday.3.Thepurposeoftheauthormentioningtheexplosionofthefirsttrafficsignalisto.
A.tellusthesuccessofthefirsttrafficsignalB.showtheawkwardnessofthefirsttrafficsignalC.showhowcarelessthepoliceofficerwasD.tellusKnight'sdetermination4.Whatisthemainfactorbehindtherapiddevelopmentoftrafficsignals?A.Theimprovementofthetrafficsignals.B.Theemergenceoflargenumbersofcars.C.Theaccidentcausedbythetrafficsignals.D.Moreautomobileaccidentsontheroad.5.Whatcouldbethebesttitleforthepassage?A.Whoinventedthetrafficlight?B.AboomintrafficlightsC.ThehistoryoftrafficlightsD.ThemysteryoftrafficlightsBWhatwillpoweryourhouseinthefuture?Nuclear,wind,orsolarpower?AccordingtothescientistsattheMassachusettsInstituteofTechnology(MIT)intheUS,itmightbeartificialleaves.Naturalleavesareabletochangesunlightandwaterintoenergy.Itisknownasphotosynthesis(光合作用).Nowresearchershavefoundawaytoimitatethisprocess.TheartificialleafdevelopedbyDanielNoceraandhiscolleaguesatMITcanbeseenasaspecialsiliconchipwithcatalysts(催化剂).Similartonaturalleaves,itcansplitwaterintohydrogenandoxygenwhenputintoabucketofwater.Thehydrogenandoxygengasesarethenstoredinafuelcell(燃料电池),usingthosetwomaterialstoproduceelectricity,locatedeitherontopofahouseorbesidethehouse.Thoughtheleafisonlyabouttheshapeofapokercard,scientistsclaimedthatitispromisingtobeaninexpensivesourceofelectricityindevelopingcountries.“OnecanimaginevillagesinIndiaandAfricanotlongfromnowpurchasinganaffordablebasicpowersystembasedonthistechnology,”saidanAmericanscientist,Nocera.Anartificialleafisnotanewidea.Thefirstartificialleafwasinventedin1997butwastooexpensiveandunstableforpracticaluse.Thenewleaf,however,ismadeofcheapmaterials,easytouseandhighlystable.Inlaboratorystudies,Nocerashowedthatanartificialleafcouldoperatecontinuouslyforatleast45hours.ThewonderfulimprovementscomefromNocera'srecentdiscoveryofseveralpowerfulandinexpensivecatalysts.Thesecatalystsmaketheenergytransformationinsidetheleafmoreefficientwithwaterandsunlight.Rightnowthenewleafisabout10timesmoreeffectiveatcarryingoutphotosynthesisthananaturalone.Besides,thedevicecanruninwhateverwaterisavailable.Thisisimportantforsomecountriesthatdon'thaveaccesstopurewater.Hopefully,eachhomecouldhaveaccesstothenewapplicationinthefuture.6.Thepurposeofthisarticleisto.
A.introduceanewkindofdeviceB.askpeopletodotheresearchC.advertisetheartificialleafD.showtheprocessofphotosynthesis7.WhichofthefollowingisNOTtheadvantageofthenewleaf?A.It'slowincost.B.It'ssmallinsize.C.Ithasawonderfulfuelcell.D.It'sconvenientforpeopletouse.8.Whatconclusioncanbedrawnfromthetext?A.Nocerathoughtthenewleafisexpensivefordevelopingcountries.B.VillagesinAfricahavebenefitedalotfromthenewinvention.C.Siliconchipscanhelpthenewleafworkmoreeffectively.D.Theequipmentdoesn'tnecessarilyoperateinpurewater.9.What'sthewriter'sattitudetowardsthenewdevice?A.Negative.B.Optimistic.C.Doubtful. D.Uncertain.10.Accordingtothetext,whatwilltakeplaceinthefuture?A.Naturalleaveswilltaketheplaceofartificialleaves.B.Scientistswilldevelopmorewaystoproduceenergy.C.Thenewinventioncouldbewidelyusedinthefuture.D.Developingcountrieswillcontributemoretotheresearch.C(2024·天津3月卷)Thereissomethingtobesaidforbeingageneralist,evenifyouareaspecialist.Knowingalittleaboutalotofthingsthatinterestyoucanaddtotherichnessofawhole,well-livedlife.Societypushesustospecialize,tobecomeexperts.Thisrequirescommitmenttoaparticularoccupation,branchofstudyorresearch.Thedrawbacktobeingspecialistsisweoftencometoknowmoreandmoreaboutlessandless.Thereisagreatdealofpressuretomasterone'sfield.Youmaypursuetraining,degrees,orincreasinglevelsofresponsibilityatwork.Thenyoudiscoverthepressureofhavingtokeepup.Somepeopleseemwillingtoworkaroundtheclockintheirnarrowspecialty.Butsuchcommitmentcanalsoweakenasenseoffreedom.Thesespecialistscouldworkattheofficeuntilteneachnight,thenlookbackandrealizetheywouldhavelovedtohavegonehomeandenjoyedthesweetnessoftheirfamilyandfriends,ortraveledtoexcitingplaces,meetinginterestingpeople.Masteringonethingtotheexclusion(解除)ofotherscanholdbackyourtruespirit.Generalists,ontheotherhand,knowalotaboutawiderangeofsubjectsandviewthewholewithallitsconnections.Theyarepeopleofability,talent,andenthusiasmwhocanbringtheirbroadperspective(视角)intospecificfieldsofexpertise(专长).Thedoctorwhoisalsoapoetandphilosopherisasuperiordoctor,onewhocangivesomuchmoretohispatientsthanjustgoodmedicalskills.Thingsareconnected.Letyourexpertiseinonefieldfuelyourpassionsinallrelatedareas.Someofyourinterestsmaynotappeartobeconnectedbut,onceyouexploretheirdepths,youdiscoverthattheyare.MyeditorToni,whoisalsoawriter,haseditedseveralhistorybooks.ShehasdecidedtostudyChinesehistory.FascinatedbythestructuralbeautyoftheForbiddenCityasapainter,sheisequallyinterestedtolearnmoreaboutChinesephilosophy.“Idon'tknowwhereitwilllead,butI'mexcitedI'monthispursuit.”Theseexpansionsintonewworldshelpusbygivingusnewperspectives.Webegintoseetheinterconnectednessofonethingtoanotherinallaspectsofourlife,ofourselvesandtheuniverse.Developbroad,generalknowledgeandexperience.Theuniverseisallyourstoexploreandenjoy.11.Tobecomeaspecialist,onemayhaveto.
A.narrowhisrangeofknowledgeB.avoidresponsibilitiesatworkC.knowmoreaboutthesocietyD.broadenhisperspectiveonlife12.ThespecialistsmentionedinParagraph3tendto.
A.treasuretheirfreedomB.travelaroundtheworldC.spendmosttimeworkingD.enjoymeetingfunnypeople13.Accordingtotheauthor,asuperiordoctorisonewho.
A.isfullyawareofhistalentandabilityB.isapurespecialistinmedicineC.shouldlovepoetryandphilosophyD.bringsknowledgeofotherfieldstowork14.WhatdoestheauthorintendtoshowwiththeexampleofToni?A.Passionalonedoesnotensureaperson'ssuccess.B.In-depthexplorationmakesdiscoveriespossible.C.Everyonehasachancetosucceedintheirpursuit.D.Seeminglyunrelatedinterestsareinawayconnected.15.Whatcouldbethebesttitleforthepassage?A.BeMoreaGeneralistThanaSpecialistB.SpecialistorGeneralist:HardtoDecideC.TurnaGeneralistintoaSpecialistD.WaystoBecomeaGeneralistDAnewreportsaysplasticsareresponsiblefor$13billionindamagetotheoceansandtheunderseaenvironment.ThefindingswereannouncedataUNconference.Thereporttellsabouttheharmofplasticstosealifeandwhatmightbedonetoimprovethesituation.Plasticthrownawaycarelesslymakesitswayintoriversandotherwaterways.Theplasticeventuallyreachescoastalareasandoceanwaters.Afterawhile,itcollectsinthesea.Andplasticnevergoesaway.Plasticisnotbiodegradable—destroyedbybacteria(细菌)ornaturalprocesses.Instead,itjustbreaksupintosmallerpiecesovertime.Theoceanscontainalotofchemicalsandotherpollutants.Theremainsofsuchproductsmayfindtheirwaytoplasticsfloatinginseawater.Then,fishmayeattheplastics.Thatmeansharmfulmaterialmaygetintoourfoodsupply.Butpeoplecanmakeabigdifference.Theycanusefewersingle-useproductcontainersandthrowplasticsawaycorrectly.Plasticrecyclingprogramsalsowork—whereoldbottlesandotherplasticsarecollected,brokendownandusedtomakenewproducts.Peopleshouldreallycareabouttheenvironment.Humanbeingscausepollutionandtheycantakestepstostopit.Wecouldreusebottlesinourhouseholdsmanytimesifwewishto,ratherthanendingitafterthefirstuse.Wecould,whenwegetridofthatplastic,recycleitandreuseit,whichreplacestheneedforrawmaterials.Anotherreportcallsoncompaniestoimprovemethodsforusingplastics.Thereportasksforthemtobettermeasureanddirectplasticuse.Anditcallsforinformationaboutthewayplasticisthrownoutorremovedfromuse.Byputtinganewvalueonplastic,industryhasaspecialreasontocleanuptheenvironment.Butallofsocietymustjointodealwiththeproblem.16.What’sthenewreportmainlyabout?A.Difficultyingettingridofplasticsintheocean.B.Plasticpollutionandwaystosolveit.C.Goodmethodstoreuseplastics.D.Damagetosealifecausedbywasteplastics.17.Whydoestheharmfromplasticsinthesealastforever?A.Ittakeslongforplasticstobreakup.B.Plasticsnevermovetootherplaces.C.Fisheseatsmallpiecesofplastics.D.Plasticscannotbedestroyed.18.Thepollutionofplasticsintheseawillendup.
A.pollutingtheairB.affectingsealifeC.pollutingourfoodD.damagingcropsonland19.HowcanwestoptheharmofplasticsaccordingtoParagraph4?A.Recycleplasticproducts.B.Giveupusingplasticbags.C.Improveplasticproducts.D.Throwawaytheplasticsafterthefirstuse.20.WhichofthefollowingisTRUEaccordingtothelastparagraph?A.Companiesshouldmakefulluseofplasticmaterials.B.Itistimeforcompaniestostopmakingplasticproducts.C.Companiesshouldmakecompletelynewplasticproducts.D.It'samustforthewholesocietytofightagainstplasticpollution.
必修第三册Unit5阅读理解题组——练速度1.C解析推理推断题。依据第一段中的“Thered,yellowandgreenlightsletusknowwhenitissafetodrivethroughtheintersection(红、黄、绿灯让我们知道什么时候驶过十字路口是平安的)”可知,交通信号灯帮助解决交通堵塞的问题。故选C项。2.B解析推理推断题。依据第三段中的“Railroadsusedasemaphoresystemwithsmallarmsextendingfromapoletoindicatewhetheratraincouldpassornot.(铁路公司运用一种信号标系统,小手臂从杆子中伸出来指示火车是否可以通过。)”可知选B项。3.B解析推理推断题。依据第五段内容可知,在第一个信号灯出现爆炸事故后,信号灯系统就被立即停用了。故选B项。4.B解析推理推断题。依据第六段中的“Followingtheaccident,aboutfourdecadespassedbeforetrafficsignalsbegantogrowinpopularityagain,mainlyintheUnitedStatesasmoreautomobileshitth
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