下载本文档
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
选择性必修第四册UNIT12INNOVATION(一)Ⅰ.阅读理解A(★)(2022·全国乙,C)Canasmallgroupofdrones(无人机)guaranteethesafetyandreliabilityofrailwaysand,atthesametime,helprailwayoperatorssavebillionsofeuroseachyear?Thatistheverylikelyfutureofapplyingtoday’s“eyesinthesky”technologytomakingsurethatthemillionsofkilometresofrailtracksandinfrastructure(基础设施)worldwidearesafefortrainsona24/7basis.Dronesarealreadybeingusedtoexaminehigh-tensionelectricallines.Theycoulddopreciselythesamethingtoinspectrailwaylinesandothervitalaspectsofrailinfrastructuresuchasthecorrectpositionofrailwaytracksandswitchingpoints.Themoreregularlytheycanbeinspected,themorerailwaysafety,reliabilityandon-timeperformancewillbeimproved.Costswouldbecutandoperationswouldbemoreefficient(高效)acrosstheboard.Thatincludeshugesavingsinmaintenancecostsandbetterprotectionofrailwaypersonnelsafety.ItiscalculatedthatEuropeanrailwaysalonespendapproximately20billioneurosayearonmaintenance,includingsendingmaintenancestaff,oftenatnight,toinspectandrepairtherailinfrastructure.Thatcanbedangerousworkthatcouldbeavoidedwithdronesassistingthecrews’efforts.Byusingthelatesttechnologies,dronescouldalsostartprovidinghigher-valueservicesforrailways,detectingfaultsintherailorswitches,beforetheycancauseanysafetyproblems.Toperformthesetasks,dronesforraildon’tneedtobeflyingoverhead.Engineersarenowworkingonanewconcept:theraildronesofthefuture.Theywillbemovingonthetrackaheadofthetrain,andprogrammedtorunautonomously.VerysmalldroneswithadvancedsensorsandAIandtravellingaheadofthetraincouldguideitlikeaco-pilot.Withtheirabilitytoseeahead,theycouldsignalanyproblem,sothatfast-movingtrainswouldbeabletoreactintime.1.Whatmakestheapplicationofdronestoraillinespossible?A.Theuseofdronesincheckingonpowerlines.B.Drones’abilitytoworkathighaltitudes.C.Thereductionofcostindesigningdrones.D.Drones’reliableperformanceinremoteareas.2.Whatdoes“maintenance”underlinedinparagraph3referto?A.Personnelsafety. B.Assistancefromdrones.C.Inspectionandrepair. D.Constructionofinfrastructure.3.Whatfunctionisexpectedoftheraildrones?A.Toprovideearlywarning. B.Tomaketrainsrunautomatically.C.Toearnprofitsforthecrews. D.Toacceleratetransportation.4.Whichisthemostsuitabletitleforthetext?A.WhatFaultsCanBeDetectedwithDronesB.HowProductionofDronesCanBeExpandedC.WhatDifficultyDroneDevelopmentWillFaceD.HowDronesWillChangetheFutureofRailwaysBTimothywasexhaustedforheworkedextendedhours.Althoughearningalowwageandhandlingill-manneredcustomers,healwaysputservingthosewhosatathistableswellonthefrontburnerofhismind.Hewentabouthisdailydutiescarefully,puttingonasmilingfaceascustomerscomplainedaboutthefoodorquestionedthebill.Usuallyasnightdeepenedpreparingtoclosethebusiness,hewouldnoticeacoupleofcustomerswalkin,sitdownandorderdrinks.Mostofthecrewhadleftbyclosingtime,butTimothystayedtoserve.Eventually,thelastroundwasorderedandhegavethemthebill.Theminimumtipwassuggestedonthereceipt.“Tomorrowwillbebetter,”hemurmured.Butluckwouldn’talwayssmileonhim.Eveningapproaching,agroupofteenagerssteppedin.Thankfully,theywerepoliteandrespectful.Theircheerfulbehaviorbegantoaffecthim.Asalways,hedidhisbesttomaketheirdiningexperienceapleasantone.Timedraggedonandtheyfinishedtheirdrinks.Heplacedthebillonthetable,accompaniedwithsomecandies.Thegroupplacedtheirnotesonthereceiptandleftsmiling.Whenhereturnedtoclearthetable,hewasastonished.Atipof$3wassittingthere,staringathim,buttheirtotalbillamountedto$100.He’dgoneaboveandbeyondtoservethem.Howcouldtheybesorude?Laterthatweek,hebattledtobrushofftheawkwardmemories.Hearrivedatworkandexpectedittobelikeanyotherday,buttherewassomethingleftonthedeskforhim,atwohandwrittenletterfromtheteenagerswith$18attached,inwhichtheyexplainedtheywereunawareofhowtotipappropriatelyduetoitbeingtheirfirsttimeinthisbar.Everythingsuddenlymadesense.Timothythumbedupwhattheydidwithabiggrinandhewassomovedbytheirgesturethatheuploadedapictureofthelettersharingtheiradmirableefforts.Thereactionwasmorethanpositive.5.WhatdidTimothyfocusoninhisjob?A.Gettingmoretips. B.Workinglongerhours.C.Providingbetterservice. D.Beinganicercolleague.6.Whatmadetheteenagersleaveatipof$3?A.Dissatisfactionwiththedrinks. B.Ignoranceofthetippingculture.C.GratefulnesstoTimothy. D.Misunderstandingofthebill.7.WhichofthefollowingbestdescribesTimothy?A.Patientandhumorous. B.Positiveanddevoted.C.Generousandtolerant. D.Ambitiousandcreative.8.Whatcanwelearnfromtheteenagers?A.Onegoodturndeservesanother.B.Actionsspeaklouderthanwords.C.Apologiesmakeforharmony. D.It’sgoodtomakethingsright.CAmazinglyfortheBritish,wholovequeues,thereisnoformalline-up.Thebarstaffareskilledatknowingwhoseturnitis.Youarepermittedtotrytoattractattention,buttherearerulesabouthowtodothis.Donotcallout,tapcoinsonthecounter,orwavelikeadrowningswimmer.Donotsighorrollyoureyes.Andwhateveryoudo,donotringthebellhangingbehindthecounter.Thisisusedbythelandlordtosignalclosingtime.Thekeythingistocatchthebarworkers’eyes.Youcouldalsoholdanemptyglassorsomemoney,butdonotwavethemabout.Doadoptanexpectant,hopeful,evenslightlyanxiousfacialexpression.Ifyoulooktoocomplacent,thebarstaffmayassumeyouarealreadybeingserved.Alwayssay“please”andtrytoavoidsomeoftheBritishbarstaff’sannoyance.Theydonotlikepeopletokeepotherswaitingwhiletheymakeuptheirminds.Theydon’tlikepeoplestandingagainstthebarwhentherearealotofcustomerswantingforservice.AndtheydonotlikepeoplewhowaituntiltheendoftheorderandaskforsuchdrinksasGuinnessStoutwhichtakeconsiderablylongertopourthanotherdrinks.OneDutchtouristwhospentsixmonthsvisiting800ofBritain’s61,000barsandinterviewing50barworkersandmorethan1,000customerssaid,“Ican’tunderstandhowtheBritishevermanagetobuythemselvesadrink.”Buttheydo,andifyoufollowthesetipsyoushouldbeabletodoso,too.Speakingoftips,youshouldneverofferthebarstaffcash.Thecorrectbehavioristoofferthemadrink.Barspridethemselvesontheirequalatmosphere.Atipincashwouldbeareminderoftheirservicerole.However,theofferofadrinkisafriendlygesture.9.Whatdoestheunderlinedword“complacent”inparagraph1mean?A.Contented.B.Worried.C.Polite.D.Annoyed.10.Howshouldcustomersattractthebarstaff’sattention?A.Totapcoinsonthecounter.B.Toholdanemptyglassorsomemoney.C.Towavelikedrowningswimmers.D.Toringthebellhangingbehindthecounter.11.Whatdoesthewritersuggestpeopledoinbars?A.Correctbarstaff’smisbehaviors. B.Tipbarstaffincash.C.Offerpeoplepresentadrink. D.Helptomaintaintheequalatmosphere.12.Whichcolumnmightthepassagebetakenfrom?A.Health.B.Culture.C.Economy.D.Politics.Ⅱ.七选五(★)5Gmobiletechnologyhasofficiallybegunrollingoutacrosstheglobe,whichindicatesadynamicacceleration(加速)inourworldofconnectivity.Itpromotesoperationalcooperationtourismhasn’texperiencedbefore.1Thisisperceivedfromboththewaytheindustryoperatesandthesideofthetraveler.2It’sexpectedtoofferorganizationsawirelessnetworkthattransformsthewaypeopleandmachinesusedata.Unlikepreviousnetworkgenerations,5Gisnowbeingseenasnotjustaconsumerplatform,butaprimarycommunicationsplatformthatcanalsoprovidecloudconnectivityandedgeprocessingthatcanofferreal-timebusinessinsightsandautomatedresponses,andeventuallyintegratethebillionsofInternetofThings(物联网)devicesanddatathatareavailable.Astravelcompanieshavetransformedtheiroperationswithnewdigitalsystems,theirfocushasmovedfromthetechnologyitselftotheimprovedbusinessoutcomesandenhancedguestandpassengerexperiencesdrivenbythetechnology.3Withadva
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 2026年养老院员工急救技能培训
- 2026年日间手术管理与质量安全保障体系
- 2026年塔吊基础利用永久结构设计
- 2026年CNC常用刀具选型与切削参数培训
- 2026年酒店行业委托管理模式效果评估
- 2026年注塑车间现场安全管理规定
- 颈椎病护理中的护理伦理实践
- 2026年网络学习空间(人人通)建设与学生自主管理
- 2026年国有银行与金融科技民企合作创新
- 2026年维修工电气设备火灾预防与隐患排查培训
- 关于精益管理办法
- 湖北省部分高中2025届高三下学期四月统考(二模)政治试卷(含解析)
- 白细胞减少症病例讨论
- 年产200吨高纯金属铯铷项目报告书
- 2025具身智能行业发展研究报告
- 委托代缴社保协议书范例
- 智库能力测试题及答案
- 第五单元100以内的笔算加、减法达标卷(单元测试)(含答案)2024-2025学年一年级数学下册人教版
- 陕西单招数学试题及答案
- 《政府与集团项目型公关策略和销售技巧》
- CNAS-CC01:2015 管理体系认证机构要求
评论
0/150
提交评论