初三英语专题汇编英语阅读理解(一)及解析.docx

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1、初三英语专题汇编英语阅读理解(一)及解析一、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.Butthesymbolswillbecomethingsofthepastafter5Gnetworksfullyarrive.OnMar

2、ch30,Shanghaivice-mayorWuQingmadethefirst5GvideocallonaHuaweiMateXSmartphone.ShanghaihasalsobecomethefirstcityinChinatostarttesting5Gnetworks.About100timesfasterthan4Gnetworks,5Gwillletpeopledownloadanduploaddata（数据）fasterthaneverbefore.But5Gwon'tjustbringfaste

3、rmobileinternet.Peoplecanuseitformanyotherthingsaswell.Forexample,5Gwillhelptomakeself-drivingcarssafer.Today'sself-drivingtestcarshaveoneproblem-lag（延迟）.Whenthecar"sees"anobstacle（障碍物）,itsendsthisinformationtoadatacenterandreceivesinstructions,However,itwillbe

4、sometimebeforeitsendsandreceivesthisinformation.Withthiskindoflag,thecarsmightcrashbecausetheydon'treceiveinstructionsintime.With5G,thislagwillbegreatlylowered,makingthecarssafer.5Gcouldalsobeusedtopowertheinternetofthings（IoT）,thatis,alargeonlinenetworkthatcon

5、nectsallthingsandpeople.Fastinternetspeedswillbethekeytodevelopingthistechnology.TheIoTcouldbeusedinalotofways.Forexample,withIoT,yourrefrigeratorcouldautomatically（自动地）placeanorderonlineforeggswhenitfindsthattherearenoeggsleftinside.（1）Whichcitywas5Gtestedfort

6、hefirsttime?（2）Whatcanweinfer（推测）accordingtothepassage?.（3）Thewriterusesself-drivingcarsasanexampleto.A.explainhow5G'sfastspeedcanbehelpful（4）WhatisIoTaccordingtothepassage?A.Arobotthatcandohousework.B.Anonlinestorewhereyoucanbuyanything.C.Alargeonlinenetworkth

7、atconnectsthingsandpeople.（5）Whichsentenceisrightaccordingtothepassage?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的小符号。G代表手机网的"代"。但是，当5G网全面覆盖，些符号将会

8、成去。3月30日，上海市吴清第一次使用MateX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About10