初中英语阅读理解试题(有答案和解析).docx

初中英语阅读理解试题(有答案和解析) 一、英语阅读（日常生活类） ．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,youllusuallyseealittlesymbolthatsays3GGstandsforthegeneration（代）ofyourmobilenetwork.Butthesymbolswilblecome thingsofthepastafter5Gnetworksfullyarrive. OnMarch30,Shanghaivice-mayorWuQingmadethefirst5GvideocallonaHuaweiMateSmartphone.ShanghaihasalsobecomethefirstcityinChinatostarttesting5Gnetworks. About100timesfasterthan4Gnetworks,5Gwillletpeopledownloa（d数anduploaddata据）fasterthaneverbefore.But5Gwontjustbringfastermobileinternet.Peoplecanusmanyotherthingsaswell. Forexample,5Gwillhelptomakeself-drivingcarssafer.Todaysself-drivingtestc problem-la（g延迟）.Whenthecarseesanob（st障a碍cl物e）,itsendsthisinformationto adatacenterandreceivesinstructionHso,wever,itwillbesometimebeforeitsendsand receivesthisinformation.Withthiskindoflag,thecarsmightcrashbecausetheydontinstructionsintime.With5G,thislagwillbegreatlylowered,makingthecarssafer. 5Gcouldalsobeusedtopowertheintern（etIooTf）t,hitnhgastis,alargeonlinenetworkthatconnectsallthingsandpeople.Fastinternetspeedswillbethekeytodevelopingthiste TheIoTcouldbeusedinalotofways.Forexample,withIoT,yourrefrigeratcooruld automatical（ly自动地）placeanorderonlineforeggswhenitfindsthattherearenoeggslinside. ）Whichcitywas5Gtestedforthefirsttime? A.Beijing. B.Shanghai. C.Shenzhen. ）Whatcanweinf（e推r测）accordingtothepassage?. 5GiswidelyusedinChinanow. 5Gnetworkswillmakeourlivesmoreconvenient. Therearenosymbolsatthetopofourphones. ）Thewriterusesself-drivingcarsasanexampleto . explainhow5Gsfastspeedcanbehelpful warnaboutthepossibledangersofself-drivingcars explainhowself-drivingcarswork ）WhatisIoTaccordingtothepassage? Arobotthatcandohousework. Anonlinestorewhereyoucanbuyanything. Alargeonlinenetworkthatconnectsthingsandpeople. ）Whichsentenceisrightaccordingtothepassage? 5Gwillhelpusbuyeggsquickly. Robotscanhelpusbuyeggsonline. Ourrefrigeratorcanordereggsonlineforus. 【答案】（1）B ）B ）A ）C ）C 【解析】【分析】短文大意：当人们看手机上方的时候，会看到3G或者4G的小符号。G代表手机网络的代。但是，当5G网络全面覆盖时，这些符号将会成为过去时。3月3