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　　“5Gisoneofthosesigns,alongwithartificialintelligence,ofthiscomingdataage,”saidSteveKoenig,seniordirectorofmarketresearchfortheConsumerTechnologyAssociation.“Theself-drivingvehicleisagreatemblemofthisdataage,andthatistosay,itisasignoftime,becausewithonesingletask,driving,youhavemassiveamountsofdatacomingfromthevehicleitself,andavarietyofsensorsarecollectingalotofinformationtomodelitsenvironmentasitmoves.It’spullingindatafromothervehiclesaboutroadconditionsdownthelane.Itcouldbeweatherinformation,butalsoconnectedinfrastructure（基础设施）construction.There’slotsofdatabehindthattask,whichiswhyweneedhighspeed.

　　Augmentedrealityglassesandvirtualheadsethaven’tyetbrokenthemainstream,buttechcompaniesarejoyfullybettingthatthesedeviceswilleventuallyreplaceoursmartphones.With5G,thatcouldactuallyhappen.ThisisnotablebecausecompaniessuchasApplearereportedlydevelopingARglassestoassist—orperhapsevenreplace—smartphones.

　　EricssonstatedatFebruary’sMobileWorldCongresshowsmartglassescouldbecomefasterandlighterwitha5Gconnection,becauseinsteadofbeingweigheddownwithcomponents,theglassescouldrelyonhardwareforprocessingpower.

　　Butdon’tgettooexcited.There’sstillalotofworktobedoneinthemeantimeincludingvarioustrialstomakesuretheradiosplaynicelywithhardwareandinfrastructureconstructionso5Gisn’tconcentratedonlyinbigcities.

【文章大意】本文是一篇说明文。

文章讲述是,我们离5G世界越来越近了。

1.WhatdoestheauthorwanttostressinParagraph1?

A.Thelightning-fastspeedof5G.

B.Theexpectationof5Gworld.

C.Thedifferencebetween4Gand5G.

D.TheInternet-connecteddevicesinourlife.

【解析】选A。

段落大意题。

根据第一段atlightning-fastspeedswithreduceddelay和bycomparison5Gpromisesgigabitspeeds可知,作者在第一段想强调5G速度快。

故选A。

2.Whatdoestheunderlinedword“emblem”inParagraph2mean?

A.Exhibition.　　　　　B.Success.

C.Symbol.D.Explanation.

【解析】选C。

词义猜测题。

根据第二段中andthatistosay,itisasignoftime“也就是说,这是时间的标志,”可知,画线词的意思是“标志,象征”。

故选C。

3.Wecaninferfromthetextthat______. 

A.5Gworldwon’tcomewithoutARglasses

B.5Ghelpstocreatetheartificialintelligencevehicle

C.ApplecompanyisdevelopingARglassesworldwide

D.Techcompanieswillfacethefactthatsmartphonesmaybereplaced

【解析】选D。

推理判断题。

根据第三段中ThisisnotablebecausecompaniessuchasApplearereportedlydevelopingARglassestoassist—orperhapsevenreplace—smartphones.可知苹果（Apple）等公司正在发展AR眼镜,以帮助甚至取代智能手机。

我们可以从文中推断,科技公司将面临智能手机可能被取代的事实。

故选D。

4.Whatwilltheauthorprobablytellusnext?

A.Howtofullyexpand5Gcoverage.

B.Smartglasseswillbecomefasterandlighter.

C.Why5Gisn’tconcentratedinbigcities.

D.Theimportanceofinfrastructureconstruction.

根据最后一段Butdon’tgettooexcited.There’sstillalotofworktobedoneinthemeantime,includingvarioustrialstomakesuretheradiosplaynicelywithhardwareandinfrastructureconstructionso5Gisn’tconcentratedonlyinbigcities.“但是不要太激动。

与此同时,仍有很多工作要做,包括各种试验,以确保无线电能很好地配合硬件和基础设施建设,这样5G就不会只集中在大城市。

”可知,作者接下来可能会告诉我们“如何全面扩大5G覆盖。

”故选A。

　【知识拓展】佳词积累

1.massiveadj.巨大的

2.virtualadj.虚拟的

3.notableadj.显著的

4.componentn.组成成分

长难句分析

There’sstillalotofworktobedoneinthemeantime,includingvarioustrialstomakesuretheradiosplaynicelywithhardwareandinfrastructureconstructionso5Gisn’tconcentratedonlyinbigcities.

分析:

本句是一个复合句。

tomakesure...作目的状语,其中sure后面是宾语从句,so“为的是”,引导目的状语从句。

译文:

　　　　　　　　　　B世纪金榜导学号

　　We’veheardofrobotsandAI（ArtificialIntelligence）takinghumanjobs,butIbetmayors（市长）don’treallythinktheirjobscanbethreatenedanytimesoon.Theywerewrong,andtheAIrunningforthemayorofaTokyodistrictwasclearproofofthat.

　　AIcan’tlegallyrunforhigh-rankingpublicmanagementpositionsyet,butonemayoralcandidatefromTamaCity,Tokyo,intendedtomaximizetheuseofartificialintelligenceinrunningcityaffairs.Hewasrunninghiscampaignas“AIMayor”.Basically,hewassuggestingreplacinghumanpublicofficialswithAIandhavingthemcollectcitydataandcreatefairandbalancedpoliciesthatwillbenefiteveryone.

　　“Forthefirsttimeintheworld,AIwillruninanelection,”humancandidateMichihitoMatsudaannouncedonTwitter.“ArtificialIntelligencewillchangeTomaCity.WiththebirthofanAIMayor,wewillconductbalancedpolicies.”

　　TheAIMayorwascampaigningverymuchlikeitshumancompetitors.PosterswereshownalloverTamaCityandcampaigntruckswereblaringout（大声鸣响）promisesofanAIutopia（乌托邦）andaskingforsupport.

　　SomepeoplecalledMichihitoMatsuda’scampaignastunt（噱头）,asahumanwouldstillbetheonelegallyincharge.However,otherssaidthattheywereexcitedaboutthefutureofAIrunningthingsinthebackground,addingthatithadtobeabetterchoice.

我们听说过机器人和人工智能取代了人类的部分工作,可是它们竟然参与竞选东京某地的市长。

5.What’stheadvantageoftheAImayoraccordingtoMichihitoMatsuda?

A.MaximizingtheuseofAI.

B.Replacinghumanofficials.

C.Creatingbalancedpolicies.

D.Bringinghimbeneficialeffects.

细节理解题。

根据第二段Basically,hewassuggestingreplacinghumanpublicofficialswithAIandhavingthemcollectcitydataandcreatefairandbalancedpoliciesthatwillbenefiteveryone.可知,他认为,人工智能市长的优势在于收集城市数据,制定公平、平衡的政策,让每个人都受益,故选C。

6.HowwillAIrunforthemayor?

A.Itwillabolishmanyoldpolicies.

B.ItwillaskforsupportontheInternet.

C.Itwillmakepublicspeeches,dressedlikeahuman.

D.Itwillcompetesimilarlytohumancompetitors.

根据第四段TheAIMayorwascampaigningverymuchlikeitshumancompetitors.PosterswereshownalloverTamaCityandcampaigntruckswereblaringoutpromisesofanAIutopiaandaskingforsupport.可知,人工智能市长的竞选活动的方式和人类竞争对手非常像,故选D。

7.What’sthecitizens’attitudetowardMichihitoMatsuda’scampaign?

A.TheybelieveAIwillwin.

B.Allconsiderittobetricky.

C.Itissupposedtobeafailuredefinitely.

D.Somethinkit’sworthyofexpectation.

根据最后一段However,otherssaidthattheywereexcitedaboutthefutureofAIrunningthingsinthebackground,addingthatithadtobeabetterchoice.可知,有些人认为这是一个噱头,而有人认为这必定是个更好的选择,这是值得期待的,故选D。

8.Whatisthebesttitleforthepassage?

A.AIRunsfortheMayor.

B.TheAdvantagesofAI.

C.AIReplacesHumaninManagement.

D.ThePatternsofAIManagement.

主旨大意题。

根据上下文可知,本文主要讲述人工智能参与竞选某市市长的职位,故选A。

　　【知识拓展】佳词积累

1.candidaten.候选人

2.maximizevt.使增加最大量

3.campaignn.运动

Basically,hewassuggestingreplacinghumanpublicofficialswithAIandhavingthemcollectcitydataandcreatefairandbalancedpoliciesthatwillbenefiteveryone.

policies是先行词,that引导的是定语从句。

大体上,他建议用机器人来代替公职人员,让它们收集城市的数据,制定公平、平衡的政策,让每个人都受益。

Ⅱ.阅读填句

SleepandTeens—BiologyandBehavior

　　Howmuchsleepdoteensneed?

Andhowmuchsleeparetheyrealisticallygetting?

Basedoncurrentdata,mostteensneedabout9-plushourstohavethebestormostsuitablesleepnight.　1　 

　　Manyfactorscombinetodecreasesleepinadolescents.Wecanthinkingeneraloftwomajorfactors:

biology,thebrainprocessesthatregulatetheamountandtimingofsleep,andbehavior,allthepsychological,parental,societal,culturalfeaturesofteens’life.

　　　2　Thesechangeslaythegroundworkforthebiologicalnighttooccurlaterduringtheteenyearsthanbefore.CircadianRhythms（dailybiologicalclocks）seemtoslowdownasyoungpeopleprogressthroughthemiddleschoolyears.Atthesametime,thesleeppressuresystemappearstochangeinawaythatmakesiteasiertostayawakelonger,thoughwithoutchangingtheamountofsleepthatisneeded. 

　　Moreover,manyteenshavea“technologicalplayground”intheirbedrooms:

television,computerwith24/7Internetaccess,telephones,electronicgamestations,MP3players,andsoforth.Thesetechnologiesprovideinstantandconstantcontactwithpeers.Societalandmediapressuretoconsumethesetechnologiesisnowhigherthanever.Yetsocietyalsorequiresthatteensgotoschoolatatimeofdaythatisatoddswiththeirbiologicalandsociallives.Soweseeteensturntocaffeine,late-nightInternetandcramminginactivityafteractivityasameanstokeepawake.　3　 

　　Problemsemergeforlackofsleep.　4　Forsome,gradesbegintosufferastheystruggletokeepawakeduringclassandwhiledoinghomework.Andothersmaysimplyfeelmoody,neverknowinghowtofeelordotheirbest.Worsestill,manyteenssufferfrombothphysicalandmentalillness. 

　　　5　Theearlierteenscanstartthisgoodsleephabit,theeasieritwillbeforthemtostayhealthy,happyandsmart. 

A.Sleepexpertsrecommendteenskeepconsistentsleepandwakeschedule.

B.Teensmayschedulesleeplikeanyotherdailyactivityandmakesleepapriority.

C.Thentheyaretrappedintoaterriblesituationwheretheywouldnevergetenoughsleep.

D.Thesleep-wakebio-regulatoryfactorsappeartochangesignificantlyduringadolescen