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2023年中考英语时事热点阅读专练
热点64认识5G及其广泛用途
一、阅读理解
1
Therehasbeenalotofnewsrecentlyabout5G,butwhatisthistechnology(技术)andhowmightitchangeour
lives?
Whatis5G?
5Gstandsforthenextstepinthedevelopmentoftechnologytoreplace4Gsystem.Earlier"G^systemswere
designedtoimprovemobilecommunicationoperations.Thenew5Gsystemisexpectedtoallowmoreuserstodo
morethingsatafasterspeed.Itwillmovewellbeyondmobilenetworktechnologytoinfluencemanymore
industriesthanother"G"systems.
Whenwill5Gbeinuse?
Beforewecanalluse5G,wirelesscompaniesandphonemakerswillhavetocompleteawholenewsystem.
Newphonesandcommunicationequipment(设备)mustbebuilt.Chinaisexpectedtoput5Gontothemarket
sometimein2020,whileEuropeannationsarelikelytobuildtheirsystemsmoreslowlyovertime.IntheUSA,the
first5G-readyphonescanbefoundinthemarketinthefirsthalfofthisyear.Thefirst5GiPhone,however,isnot
expecteduntil2020.4Gphoneswillworkon5Gnetworks,butnotat5Gspeeds.
Whatcan5Gdo?
Wirelessindustrygroupssay5Gwillhelpthedevelopmentofthefuture“smartcities”,5Gisalsoexpectedto
connectself-drivingcarsandsupportnewtechnologies.Higher5Gspeedscouldalsohelpdoctorstocommonlydo
remoteoperations(远程操作).Factoriesandbusinessescoulduse5Gtechnologytoincreaseautomation(自动
化)andimprovethecollectionofinformation.
Manymorekindsofdata(数据)willbetravelingacross5Gnetworks.Muchofthedatacouldincludepersonal
detailsaboutpeople,businessesorgovernmentorganizations.Theincreaseddataflowwouldgiveinternetattackers
alotmorepossibilitiestostealandmisusedata.What'smore,thewideruseofa5Gwirelessnetworkmeansany
breakdownofthesystemwouldhavemoreseriousresults.Suchdifficultiescouldinfluencepublicsafetyaswellas
worldeconomicactivity.Forexample,afailureduringadoctor'sremotelyguidedoperationcouldleadtothedeath
ofapatient.Oranetworkbreakdowncouldcauseself-drivingcarstocrash.
1.Thewritingpurposeofthepassageisto.
A.introduce“smartcities"B.introducethenew5Gtechnology
C.tellus5GtechnologyisnotsafeD.encouragemorepeopletobuy5Gphones
2.Whichofthefollowingexpressionscanbethesubtitleofparagraph5?
A.Howwill5Gsystemschangetheworld?
B.Howwillthedatabeused?
C.Whatarethesafetyrisks?
D.Whatkindofdatacannetworkscollect?
3.WhichofthefollowingexpressionsisNotTrueaccordingtothispassage?
A.Userscandomanythingsatafasterspeedon5Gnetworks.
B.5Gnetworksdonotsupport4Gphones.
C.5Gtechnologycanbeusedtocollectalargeamountofinformation.
D.5GdevelopsmoreslowlyinEuropeancountriesthaninChina.
4.Whatcanweinfer(推断)fromthepassage?
A.Thenetworkbreakdownmayleadtosomeseriousresults.
B.Peoplecanbuythefirst5GPhonein2020inAmerica.
C.Thenew5Gsystemwillinfluencepublicsafetyaswellasworldeconomicactivity.
D.5Gtechnologymayimprovepeople'sself-drivingexperience.
2
Chinaisrunningaheadin5GInMarch,2019,theShanghaiHongqiaoRailwayStationbecameworld'sfirst
"5Grailwaystation".Now,ittakesonly20secondstodownloadalongmoviethere.
Wearemovingcloserandclosertothe5Gworld.However,thenewtechnologyisstillstrangetomostofus.
Whatis5Qafterall?Atfirst,5Gisfast.5Gwillbemuchfasterthantoday's4Gnetworks!
Thefirst5Gmodem(猫,调制解调器)oftheITcompanyQualcommsupportsspeedsofupto5Gigabytes
(千兆字节)persecond.Mostofushaveneverexperiencedanythingclosetothatspeed.Andweareonlytalking
aboutthefirstgeneration(一代)of5Gmodems.Futuremodelsarelikelytobeevenfaster.
But5Gisnotallaboutspeed.Haveyoueverbeentoalargeeventwhereyourdata(数据)connectionslowed
down?Thatisbecause4Gnetworkscanonlysupportacertainnumberofdevices(设置)persquaremeter.5G
networkswillbeabletodomuchbetter.Theycansupportuptoamilliondevicespersquarekilometer.
Now,youbegintounderstandwhy5Gisahugechangeover4G.Thetechnologyisnotjustforthesmart
phones.Ithasastronginfluence(影响)oneveryconnecteddevice.With5G,self-drivingcarswillbeableto
communicatewiththeworldaroundthemasquicklyaspossible.Wearables,Pcsandsmarthomedeviceswillbe
abletoimproveaswell.
Areyoulookingforwardtothat5Gworldnow?
5.Eachofthefollowingismentionedabout5GEXCEPT.
A.thefirstplacewhere5Gisusedintheworld
B.thespeedofusing5Gtodownload
C.thewayof5Gspreading
6.Paragraph4showstheadvantagesof5Gby.
A.usingdifferentadvice
B.comparing5Gwith4G
C.somedataof5Gnetworks
7.Howmanyfieldsofusing5Gdoesthepassagetellus?
A.Three.B.Four.C.Five
8.Fromthepassage,whichofthefollowingisNOTTRUE?
A.5Gtechnologyiscloserandclosertous.
B.5Gself-drivingcarswillbecheaperthananyothercars.
C.ITcompanyQualcommproducedthefirstgenerationof5Gmodems.
9.What'sthebesttitleforthepassage?
A.What's5G?B.Howis5Gused?C.Is5Ggoodorbad?
3
Chinesecompaniesleadinglobal5GpatentapplicationswithHuaweitakingthecrown,accordingtoareport
byIPlytics,anauthorizedpatentdatacompany.ThreecompaniesfromChinawereincludedinthetop10listof5G
Standards-EssentialPatents(SEPs)familyowners,Huaweirankedfirst.ZTECorpandChinaAcademyof
TelecommunicationsTechnology(CATT)grabbedfifthandninthplaces.
Chinesecompaniestoppedthelistwithmost5GSEPsapplicationsincommunicationsystemsbytheendof
April2019,accountingfor34percentoftheworld'stotal.ChinesetechgiantHuaweihastakenaleadingroleby
owning15percentofSEPs,accordingtothereport“WhoIsLeadingthe5GPatentRace?^^
SGSEPsarepatentsthatanycompanywillhavetousewhencarryingout5Gandnoonecanavoidthem.
Differentfrom3Gand4Gtechnologies,5Gtechnologywillinfluencevariousindustriesandencouragethe
appearanceofmanynewproducts,servicesandindustries.
Theautomotivesectorwillmostlikelybeoneofthefirstindustriestodependon5G,whichwillconnect
vehiclestoothervehicles,roadsides,trafficlightsbuildingsandtheInternetaccordingtothereport.
“Itis5Gthatisgoingtobeahugejumpforwardforcommunicationsystemsbecauseonlywith5G,shigher
bandwidthcananumberofapplicationsbemoreadvancedandusedbymostconsumers,saidNicolePeng,senior
directorofthemarketresearchcompanyCanalys.
As5Gtechnologyhascombinedvariousindustriesandtechnologies,thenumberof5GSEPsrosetomore
than60,000globallybytheendofApril2019,thereportsaid.
10.WhichonewasNOTonthetop10listof5GSEPs?
A.Canalys.B.Huawei.C.ZTECorp.D.CATT.
11.Whatisthemainideaofthefirsttwoparagraphs?
A.NocompaniescanavoidSGSEPs.B.IPlytiesisanimportantdatacompany.
C.Chinesecompaniesleadthe5Gpatentrace.D.Chinaowned34%oftheworld'sSGSEPsapplications.
12.WhatdoesNicolePengthinkof5G?
A.Variousindustrieswillbehelpfulfor5Galot.B.Manyapplicationswillmake5Gmoreadvanced.
C.5Gwillbeusedbymanymostadvancedconsumers.D.5Gwillmakegreatprogressincommunication
systems.
13.WhichofthefollowingisTRUEaccordingtothepassage?
A.5Gwillbefirstusedbytheindustryoftheautomotivesector.
B.Variousindustriesandfarmingwillbemostlyinfluencedby5G
C.5Gwillencouragemanynewproducts,services,andindustriestoappear.
D.Morethan6,000SGSEPshadbeenusedbytheendofApril2019.
4
Thechangesinourlivesusing5G
(使用5G给我们生活带来的变化)
Doyouknow5G?Itisthefifthgeneration(代)ofmobilenetworktechnology.Thesenewnetworksare
coming.
Chinajustissuedcommerciallicenses(发放商用牌照)for5GonJune6.ThismeansthatChina'stelecom
companiesweresoonabletooffer5Gnetworksformobilephoneusers.
Eachmobilenetworkgenerationisfasterandmorepowerfulthantheonebeforeit.1Gletustalktoeachother.
2Gletussendmessages.3GgaveusdataandtheInternet.And4Gmadeallofthesethingsfaster.What'sspecial
about5G?
5Ghasaveryshortdelaybetweensendingandreceivinginformation.Now,4Gtakesabout100to200
milliseconds(毫秒)tosendandreceivedata.But5Gwillgetitdownto1millisecondorless——thisisalmost
real-time.
ThisbigchangewillnotonlymakeourmobileInternetfaster,butalsodeeplychangeourlives.Readonto
findouthow.
5G+enlertainment(娱乐)
5Gnetworksareabout100timesfasterthan4G.Thismeansyoucandownloadamovieinsecondsusing5G
Also,virtualreality(VR)gameswillbecomemorepopularwith5G.Theshortdelayof5Gwillmakethe
gamesfeelevenmorereal.
5G+transportation
5Gwillalsobringussaferself-drivingcars.Thesecarscansendsignals(信号)toeachother.Theyalsotalkto
trafficlightsandroadsensors(传感器).5Gwillallowcarstoreactevenfasterthanhumandrivers.
5G+smarthomes
5GalsomakestheInternetofthingspossible.Internetofthingsisalargenetworkthatconnectseverythingto
theInternet.Smarthomesarepartofit.
Forexample,yourtoastercanaulomalically(自动地)startmakingbreakfastafteryouralarmrings.Andifits
sensorfeelstheairbecomingdry,asmartsprinklercouldwateryourplantsbyitself.
14.WhathappenedonthesixthdayofJuneaccordingtothepassage?
A.5Gcameintouse
B.Chinaissuedcommerciallicenses.
C.Mobilephoneuserscouldtalktoeachother.
D.5Gdelayedbetweensendingandreceivinginformation.
15.Whatdoestheunderlinedword"delay"inParagraph4probablymeaninChinese?
A.延时B.暂停C.断开D.卡顿
16.5Gwillchangepeople'slivesinmanywaysEXCEPT.
A.entertainmentB.transportationC.smarthomesD.health
17.WhichofthefollowingisNOTtrueaccordingtothepassage?
A.Wecandownloadamoviefasterwith5G.
B.Humandriverscansendsignalsattrafficlights.
C.Theplantscanwaterthemselvesbyasmartsprinklerwith5G.
D.5Gistasterandmorepowerfulthan4G.
18.What'sthemainideaofthepassage?
A.Mobilephoneuserscanuse5Gnetworks.
B.Eachmobilenetworkgenerationhastheirownadvantages.
C.5Gwillchangeourlivesinmanyways.
D.5Gwillbringussaferself-drivingcars.
5
Topic4G5G
4Gtakesabout100to200
5Gwillhelpcutdownthetimeto1
Speedmilliseconds(毫秒)tosend
milli-secondorless.
andreceiveinformation.
Wecanjustexperiencethe
VRgameswillbecomemorecommonand
AmusementVRgamesinspecialplaces
excitingwith5G.
onceinawhile.
Mostpeoplecan'ttrust
5Gwillmakeself-drivingcarshavemuch
Trafficself-drivingin4Gbecauseof
fasterreaction(反应)than4G
unexpectedproblems.
Justasmallpartofthehouse
Insmarthomes,yourhomemachinescan
SmartHomeshasBlue-toothtoconnectin
startworkingaheadoftime.
4G.
5Gwillnotonlymakeournetworkfaster,butchangemanythingsinourlives.Althoughnot
everyonecanuse5Gnow,Chinaistryingitsbesttoleteveryoneuse5Gassoonaspossible.
19.Whendidpeopleuse5GinChina?
A.OnMay30th,2019.B.InJune,2019.C.InJune,2020.D.Doesn'tknow.
20.Howfasteris5Gthan4G?
A.5Gisabout100-200timesfaster.B.5Gisabout10timesfaster.
C.4Gisasfastas5G.D.Thepassagedoesn'tmentionit.
21.Youcan.
A.trustself-drivingin4GtotallyB.useself-drivingcarsmoresafelyin5G
C.useBluetoothtoconnecteverythingin4GD.makeyourhomemachinesworkaheadoftimein4G
22.WhichofthefollowingisTRUE?
A.HuaweihelpedtheBBCuse5Gforthefirsttimeintheworld!
B.5GcannotmakeVRgamesmoreexcitingthan4G.
C.5Gwillchangeeverythinginourlives.
D.Everyonecanuse5GinChinanow.
23.Thispassageisprobablyfrom.
A.anartbookB.asciencefiction
C.atechnologymagazineD.asportsnewspaper
6
Oneafteranother,telecommunicationsgiantssuchasHuawei,SamsungandQualcommhaveannouncedtheir
latestfifthgeneration(5G)productswithHuawei'sMateXandSamsung'sGalaxyFoldattractingmosteyeballs.
Thetelecomgiantshavealsoannoucedthat5Gtechnologywouldbewidelyusedby2020,causingsome
expertstosaythe"5Gepoch^^iscoming.Yet,whenreportingabout5G,manyreportershavedescribeditasa
“muchfaster^technologythan4Gwithoutmentioninganyofitsotheradvantages.Asaresult,thecommonpublic
ideaabout5Gisthattheycould"downloadahugemoviewithinonesecond”.Beyondthat,mostpeopleknow
nothingabout5G.
Actually,5Gtechnologyhasmanymoreadvantagesthan4Gapartfromspeed.Accordingto3GPP,an
internationalstandardizationorganization,5Gtechnologycanbeusedforatleastthreepurposes-forconnecting
everything,reliability(可靠性)ofconnections,andremovingdelays.
''Connectingeverything^^isapropersloganfor5Gtechnology,withoutwhichtheInternetofThingswouldbe
impossible.Forexample,self-drivingcarscontainseveralkindsofsensors,suchasradar,computervision,and
GPStoidentifydrivingroutes,obstaclesandroadsigns.5Gtechnologywilllinkalltheelementsofatransportation
system,suchastrafficlights,CCTVcamerasand,ofcourse,carstobuildupperfectcoordinationsotheycanavoid
obstaclesandmoveondrivingroutes,whichwillhelpstrengthenself-drivingtechnology.
Reliabilityofconnectionsisanotherkeycharacteristicof5Gtechnology,whoseusecanbespreadtoother
fieldswherehighsafetystandardsarerequired.Forexample,incertainsurgeries(夕卜科手术),doctorsput
nano-robotsinsideapatient'sbodyandhavetokeepconstantcontrolovertherobotstoensuretheyworkwelland
donotcauseanyharmtothepatient.Thisisanareawhere5Gtechnologycanbeofgreathelp,asitcanbuildup
reliableandcontinuousconnectionsbetweenthemonitorandthenano-robots.
Andremovingdelaysmightcomeinhandyespeciallyinonlinegames.Evenlongafter4Gtechnologywas
introduced,playerscontinuedtocomplainaboutlosinggamesbecauseoflowspeed.Thisproblemcanbesolved
with5Gtechnology,becauseitwillensurecontinuoushighspeed.
Andfbrthosepeoplewhothinkthat5Gcostswillbeveryhigh,theyneednotworry.Thecostproblemcanbe
solvedintwoways.
First,factoriescanproducemoremicrobasestations,whichnotonlyoccupylessspacebutalsocostless.And
second,manymoreterminals(终端)canusea5Gbasestationcomparedwitha4Gbasestation.Themore
tenninalsusinga5Gbasestation,thelowercosteachofthemhavetopay.Therefore,5Gtechnologywon'tbeas
costlyasyouthought.
24.Howdoes5Gtechnologyhelpimproveself-drivingtechnology?
A.Itclearstheobstaclesforthecars.
B.Itconnectseverypartofatransportsystem.
C.Itmakestheself-drivingcarrunmuchfaster.
D.ItcontrolsthetrafficlightsandCCTVcameras.
25.Whatistheuseof5Gtechnologyincertainsurgeries?
A.Itensureshighspeedfbrtherobots.
B.Ithelpstherobotsdothesurgerieswithoutdoctors.
C.Itenablesdoctorstoputnano-robotsinsideapatient'sbody.
D.Itmakestheconnectionbetweenthemonitorandtherobotsbetter.
26.Whatdoestheunderlinedexpression"comeinhandy^^inparagraph6mean?
A.Befast.B.Beuseful.C.Bespecial.D.Becontinuous.
27.Factoriescanproducemoremicrobasestationssothat.
A.peoplecanpaylessfor5GB.5Gcanbecomparedwith4G
C.the"5Gepoch^^cancomesoonerD.moreterminalscanuseabasestation
28.What'sthebesttitleforthepassage?
A.The"5GEpoch^^isComing
B.5G-LessCostwithHigherSpeed
C.TheLatestFifthGenerationProducts
D.5GTechnologyIsMorethanaboutHighSpeed
二、完型填空
Youmighthavenoticedthatsometimes,whenyou'replayingmobilegamesortakingavideocall,thepicture
suddenlyfreezesbecausethenetworkspeedistoo29.Whenyoutrytodownloadamovieonyourphone,it
seemstotakeforever.
Theseannoyingthingswillsoonbecomeathingofthe30,becauseChinajustissued(发放licenses
for5GnetworksinJune,2019.ThismeansthatChina*stelecommunications(电信)companieswillbeable31
5Gnetworksspeedsformobilephoneusers.
The,'G',in',5G,,standsforgeneration(ofmobilenetworktechnology).1Gletus32toeachother.2Glet
ussendmessages.3Ggaveusmobiledataandinternet,and4Gmadeallthesethingsmuch33.So34
will5Gbring?
Firstofall,5GissofastthatitwillallowyoutodownloadanentireHDmovieinseconds.
Thedelay(延迟)betweensending35receivingdatawillbeshortened.Becauseofthisincreasein
speed,itwillbe36tocreateandusenewkindsoftechnology.Robotswillbeusedtodooperations(手术)
because37willbeabletocontrolthemfromsomewhereelsewithoutanydelay.Self-drivingcarswillbe
abletorunmore38becausetheycansmoothlycommunicatewitheachother,trafficlightsandroad
sensors(传感器).
Allinall,5Gwillshapeeverytypeoftechnologythatittouches.Andyouwon'thavetowailtoolongforthat
tohappen.
29.A.smallB.slowC.fast
30.A.futureB.pastC.old
31.A.offerB.offeringC.tooffer
32.A.talkB.tellC.say
33.A.fastB.fasterC.fastest
34.A.howB.whyC.what
35.A.orB.toC.and
36.A.possibleB.impossibleC.probably
37.A.singersB.doctorsC.engineers
38.A.safelyB.carefullyC.quickly
三、短文汉语提示填空
Chinaisbuilding5Gnetwork.Shanghaivice-mayor(副市长)WuQingmadethefirst5Gv39.callona
HuaweiMateXphoneonMarch30,CGTNreported.Shanghaiisthefirstc40.inChinatostartatestrunofSG
networks.
About10()t41.fasterthan4Gnetworks,5Gwillhelppeopledownloadthingfasterthanever.Itwillalsobe
usedino42.areas.
Self-divingcanmaybeoneoftheb43.breakthrough(突破).Today'sself-drivingtestcarshaveonep44..
Whenthecart<sees^^something,its45.thisinformationtoadata(数据)centertowaitfortheinstructions(指令).
However,thecarcanrunintothethingsifitd46.receiveinstructionsintime.5Gnetworkswillmakethe
timethistakesshorterandthecarswillbesafer.CNNnoted.
5Gcouldalsopowertheinternetofthings(loT物联网).Thismeansverybigonlinenetworkthatconnect(连
换)everythingande47..Veryfastinternetspeedsarethekeytorealizingit.Forexample,withloT,yourf48.will
ordereggsonlinewhenitnoticesthattherearenoeggsleftinside.
2023年中考英语时事热点阅读专练
热点64认识5G及其广泛用途
一、阅读理解
1
Therehasbeenalotofnewsrecentlyabout5G,butwhatisthistechnology(技术)andhowmightitchangeour
lives?
Whatis5G?
5Gstandsforthenextstepinthedevelopmentoftechnologytoreplace4Gsystem.Earlier"G^systemswere
designedtoimprovemobilecommunicationoperations.Thenew5Gsystemisexpectedtoallowmoreuserstodo
morethingsatafasterspeed.Itwillmovewellbeyondmobilenetworktechnologytoinfluencemanymore
industriesthanother"G"systems.
Whenwill5Gbeinuse?
Beforewecanalluse5G,wirelesscompaniesandphonemakerswillhavetocompleteawholenewsystem.
Newphonesandcommunicationequipment(设备)mustbebuilt.Chinaisexpectedtoput5Gontothemarket
sometimein2020,whileEuropeannationsarelikelytobuildtheirsystemsmoreslowlyovertime.IntheUSA,the
first5G-readyphonescanbefoundinthemarketinthefirsthalfofthisyear.Thefirst5GiPhone,however,isnot
expecteduntil2020.4Gphoneswillworkon5Gnetworks,butnotat5Gspeeds.
Whatcan5Gdo?
Wirelessindustrygroupssay5Gwillhelpthedevelopmentofthefuture“smartcities”,5Gisalsoexpectedto
connectself-drivingcarsandsupportnewtechnologies.Higher5Gspeedscouldalsohelpdoctorstocommonlydo
remoteoperations(远程操作).Factoriesandbusinessescoulduse5Gtechnologytoincreaseautomation(自动
化)andimprovethecollectionofinformation.
Manymorekindsofdata(数据)willbetravelingacross5Gnetworks.Muchofthedatacouldincludepersonal
detailsaboutpeople,businessesorgovernmentorganizations.Theincreaseddataflowwouldgiveinternetattackers
alotmorepossibilitiestostealandmisusedata.What'smore,thewideruseofa5Gwirelessnetworkmeansany
breakdownofthesystemwouldhavemoreseriousresults.Suchdifficultiescouldinfluencepublicsafetyaswellas
worldeconomicactivity.Forexample,afailureduringadoctor?sremotelyguidedoperationcouldleadtothedeath
ofapatient.Oranetworkbreakdowncouldcauseself-drivingcarstocrash.
1.Thewritingpurposeofthepassageisto.
A.introduce“smartcities"B.introducethenew5Gtechnology
C.tellus5GtechnologyisnotsafeD.encouragemorepeopletobuy5Gphones
2.Whichofthefollowingexpressionscanbethesubtitleofparagraph5?
A.Howwill5Gsystemschangetheworld?
B.Howwillthedatabeused?
C.Whatarethesafetyrisks?
D.Whatkindofdatacannetworkscollect?
3.WhichofthefollowingexpressionsisNotTrueaccordingtothispassage?
A.Userscandomanythingsatafasterspeedon5Gnetworks.
B.5Gnetworksdonotsupport4Gphones.
C.5Gtechnologycanbeusedtocollectalargeamountofinformation.
D.5GdevelopsmoreslowlyinEuropeancountriesthaninChina.
4.Whatcanweinfer(推断)fromthepassage?
A.Thenetworkbreakdownmayleadtosomeseriousresults.
B.Peoplecanbuythefirst5GPhonein2020inAmerica.
C.Thenew5Gsystemwillinfluencepublicsafetyaswellasworldeconomicactivity.
D.5Gtechnologymayimprovepeople'sself-drivingexperience.
【答案】BCBD
【解析】本文围绕“什么是5G:何时开始使用:能做什么;安全风险是什么”等四方面介绍5G技术。
1.主旨大意题。根据第一段“Therehasbeenalotofnewsrecentlyabout5G,butwhatisthistechnologyandhow
mightitchangeourlives”5G这项技术是什么?它将如何改变我们的生活;可知,这篇文章的写作目的是介绍
新的5G技术;故选B。
2.推理判断题。根据第五段“...Suchdifficultiescouldinfluencepublicsafetyaswellasworldeconomic”数据可
能被窃取和滥用、系统的任何故障都将产生更严重的后果,这些困难可能影响公共安全和世界经济;可知,
本段讲述5G技术面临的安全问题;故选C。
3.推理判断题。根据第三段“4Gphoneswillworkon5Gnetworks,butnotat5Gspeeds”可知,4G手机将在5G
网络上运行,选项B表述错误;故选B。
4.推理判断题。根据第四段"5Gisalsoexpectedtoconnectself-drivingcarsandsupportnewtechnologies”5G还
将连接自动驾驶汽车并支持新技术;可知,5G技术可以改善人们的自驾体验;故选Da
2
Chinaisrunningaheadin5GInMarch,2019,theShanghaiHongqiaoRailwayStationbecameworld'sfirst
M5Grailwaystation1'.Now,ittakesonly20secondstodownloadalongmoviethere.
Wearemovingcloserandclosertothe5Gworld.However,thenewtechnologyisstillstrangetomostofus.
Whatis5Gafterall?Atfirst,5Gisfast.5Gwillbemuchfasterthantoday's4Gnetworks!
Thefirst5Gmodem(猫,调制解调器)oftheITcompanyQualcommsupportsspeedsofupto5Gigabytes
(千兆字节)persecond.Mostofushaveneverexperiencedanythingclosetothatspeed.Andweareonlytalking
aboutthefirstgeneration(一代)of5Gmodems.Futuremodelsarelikelytobeevenfaster.
But5Gisnotallaboutspeed.Haveyoueverbeentoalargeeventwhereyourdata(数据)connectionslowed
down?Thatisbecause4Gnetworkscanonlysupportacertainnumberofdevices(设置)persquaremeter.5G
networkswillbeabletodomuchbetter.Theycansupportuptoamilliondevicespersquarekilometer.
Now,youbegintounderstandwhy5Gisahugechangeover4G.Thetechnologyisnotjustforthesmart
phones.Ithasastronginfluence(影响)oneveryconnecteddevice.With5Gself-drivingcarswillbeableto
communicatewiththeworldaroundthemasquicklyaspossible.Wearables,Pcsandsmarthomedeviceswillbe
abletoimproveaswell.
Areyoulookingforwardtothat5Gworldnow?
5.Eachofthefollowingismentionedabout5GEXCEPT.
A.thefirstplacewhere5Gisusedintheworld
B.thespeedofusing5Gtodownload
C.thewayof5Gspreading
6.Paragraph4showstheadvantagesof5Gby.
A.usingdifferentadvice
B.comparing5Gwith4G
C.somedataof5Gnetworks
7.Howmanyfieldsofusing5Gdoesthepassagetellus?
A.Three.B.Four.C.Five
8.Fromthepassage,whichofthefollowingisNOTTRUE?
A.5Gtechnologyiscloserandclosertous.
B.5Gself-drivingcarswillbecheaperthananyothercars.
C.ITcompanyQualcommproducedthefirstgenerationof5Gmodems.
9.What'sthebesttitleforthepassage?
A.What's5G?B.Howis5Gused?C.Is5Ggoodorbad?
【答案】CBCBA
【解析】短文通过与4
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