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时间:2020-12-20
《九年级下册英语试卷分类汇编英语阅读理解(及答案)含解析.docx》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、(英语)九年级下册英语试卷分类汇编英语阅读理解(及答案)含解析一、英语阅读(日常生活类)1.阅读下列短文,从每题所给的A、B、C三个选项中选出最佳答案。Ifyoulookatthetopofyourphone,you'llusuallyseealittlesymbolthatsays3Gor4G.The"G"standsforthe"generation"(代)ofyourmobilenetwork.Butthesymbolswillbecomethingsofthepastafter5Gnet
2、worksfullyarrive.OnMarch30,Shanghaivice-mayorWuQingmadethefirst5GvideocallonaHuaweiMateXSmartphone.ShanghaihasalsobecomethefirstcityinChinatostarttesting5Gnetworks.About100timesfasterthan4Gnetworks,5Gwillletpeopledownloadanduploaddata(数据)fasterthanev
3、erbefore.But5Gwon'tjustbringfastermobileinternet.Peoplecanuseitformanyotherthingsaswell.Forexample,5Gwillhelptomakeself-drivingcarssafer.Today'sself-drivingtestcarshaveoneproblem-lag(延迟).Whenthecar"sees"anobstacle(障碍物),itsendsthisinformationtoadatace
4、nterandreceivesinstructions,However,itwillbesometimebeforeitsendsandreceivesthisinformation.Withthiskindoflag,thecarsmightcrashbecausetheydon'treceiveinstructionsintime.With5G,thislagwillbegreatlylowered,makingthecarssafer.5Gcouldalsobeusedtopowerthe
5、internetofthings(IoT),thatis,alargeonlinenetworkthatconnectsallthingsandpeople.Fastinternetspeedswillbethekeytodevelopingthistechnology.TheIoTcouldbeusedinalotofways.Forexample,withIoT,yourrefrigeratorcouldautomatically(自动地)placeanorderonlineforeggsw
6、henitfindsthattherearenoeggsleftinside.(1)Whichcitywas5Gtestedforthefirsttime?(2)Whatcanweinfer(推测)accordingtothepassage?.(3)Thewriterusesself-drivingcarsasanexampleto.A.explainhow5G'sfastspeedcanbehelpful(4)WhatisIoTaccordingtothepassage?(5)Whichsen
7、tenceisrightaccordingtothepassage?A.5Gwillhelpusbuyeggsquickly.B.Robotscanhelpusbuyeggsonline.C.Ourrefrigeratorcanordereggsonlineforus.【答案】(1)B(2)B(3)A(4)C(5)C【解析】【分析】短文大意:当人看手机上方的候,会看到3G或者4G代表手机网的"代"。但是,当5G网全面覆盖,些符号将会成去。的小符号。G3月30日,上海市吴清第一次使用MateX
8、智能手机行通,上海成中国行第一个5G的城市。5G将会在很多方面改善人的生活。(1)理解。根据ShanghaihasalsobecomethefirstcityinChinatostarttesting5Gnetworks。可知,上海是中国第一个行5G的城市。故B。(2)推理判断。根据About100timesfasterthan4Gnetworks,5Gwillletpeopledownloadanduploaddata(数据)fasterthaneverbefore。But5Gwon'tjus
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