高考英语语法填空专题5G技术1课件

5G的全称其实是第五代移动通信系统，翻译成英文是fifthgenerationgeneration

英[dʒenə'reɪʃ(ə)n]

n.一代；产生；一代人；生殖[复数generations]5G网络=fifth

generation

networkThescientistsworkingontheprojectoptedtobuildafifthgenerationnetwork.参与该项目的科学家选择了建设

5G

网络.1．hasbeenthrown2．it3．consumers4．taking5．with6．significantly7．affordable8．but/while9．that/which10．bought/shouldbuyWhatis5G?

5G是什么？5Gstandsforfifthgeneration,meaningthenextstepintheprogressionoftechnologytoreplacethecurrent4Gsystem.4Gwasthereplacementfor3G,whichcameafter2G,andsoon.5G代表第五代，意味着技术方面的进步，下一步就要取代当前的4G系统。之前，4G取代了3G，3G取代了2G。U.S.officialshavelongsuspectedtheChinesegovernmentcoulduseHuaweinetworkequipmenttohelpcarryoutspyingactivities.美国政府长期以来一直怀疑，中国政府可能会借助华为的网络设备开展间谍活动。Huaweihasrejectedsuchaccusations.华为已经否认了这一指控。阅读下面短文，在空白处填入

1

个适当的单词或括号内单词的正确形式。Asthecountdowntothe2022BeijingWinterOlympicscontinues,thenewhigh-speedrailwayline11．

(connect)thecapitalwithOlympichostcityZhangjiakouhasjustenteredservice.Itcutsthetraveltimebetweenthetwofromthreehours12．

47minutes.Butthisisn’tjustanotherbullettrain.Thisbeauty,partofChina’sFuxingseries,canrunupto350kilometersperhourwithoutadriver,

13．

(say)tobetheworld’s

firstsmarthigh-speedrailway.Sowhatmakesthem“smart”?Well,thecarriages14．

(equip)with5Gsignals,intelligentlightingandsensorstocollectreal-timedataanddetectanyoperationalabnormalities.Meanwhile,eachindividualseathas15．

(it)owntouch-screencontrolpanelandwirelesschargingdocks.Thoughthehigh-speedtrainsontherouteareautonomous,

16．

monitoringdriverwillbeonboardatalltimes.Thetrainscan17．

(automatic)start,stopandadjusttothedifferentspeed18．

(limit)betweenstations.Backatthestation,robotsandfacialrecognitiontechnologiescanhelppassengerswithdirections,luggageandpaperlesscheck-ins.11．connecting12．to13．said14．areequipped15．its16．a17．automatically18．limits19．fastest20．when

Whatcan5Gdo?

5G能做什么？Wirelessindustrygroupssay5Gwillhelpfuelfuture"smartcities"byconnectingsensornetworks.Suchnetworkswillbeabletocontrolvehicletrafficandquicklyidentifystreetlightoutages.无线通信行业组织表示，5G将通过连接传感器网络，帮助推动未来的“智慧城市”发展。这种网络能够控制车辆交通，并快速识别路灯故障。阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。China'sBeiDouNavigationSatelliteSystem(BDS)hasplayeda

21．

(significance)roleinthecountry'sflood-controloperations,saidBDSspokespersonRanChengqi.TheBDSsystemhashelpedthecountryfightagainstfloods,

22．

(assist)inearlywarningandresidenttransfer,Ransaid.

23．

(base)onitsgroundstations,theBDSsystemcanprovidehigh-precisionserviceswithcentimeter-level

24．

(accurate)inreal-timeprocessing.21．significant22．assisting23．based24．accuracy25．helped26．tosend27．in28．which29．a30．furtherWhatarethesecurityconcerns?

安全顾虑有哪些?Moredata-andmanymorekindsofdata-willbetravelingacross5Gnetworks.Muchofthedatacouldcontainprivatedetailsaboutindividuals,businessesorgovernmentorganizations.Theincreaseddataflowwouldgiveinternetattackersalotmorepossibilitiestostealandmisusedata.更多的数据，以及更多类型的数据，都将通过5G网络传输。数据可能包含有关个人、企业或政府组织的私密细节。数据流的增加会给网络攻击者提供更多的窃取和滥用数据的机会。Inaddition,thewideruseofa5Gwirelessnetworkmeansanybreakdownofthesystemwouldhavemorewidespreadandsevereresults.Suchdifficultiescouldaffectpublicsafetyaswellasworldeconomicactivity.此外，5G无线网络的广泛应用意味着该系统一旦出现故障将产生广泛而严重的后果。这些困难可能会影响公共安全以及世界经济活动。Governmentsystemfailurescouldcreatenationalsecurityrisks.Afailureduringad