初中英语阅读理解试题(有答案和解析).doc

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1、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）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.   OnMarch3

2、0,Shanghaivice-mayorWuQingmadethefirst5GvideocallonaHuaweiMateXSmartphone.ShanghaihasalsobecomethefirstcityinChinatostarttesting5Gnetworks.   About100timesfasterthan4Gnetworks,5Gwillletpeopledownloadanduploaddata（数据）fasterthaneverbefore.But5Gwon'tjustbringfastermobile

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

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

5、eople.Fastinternetspeedswillbethekeytodevelopingthistechnology.   TheIoTcouldbeusedinalotofways.Forexample,withIoT,yourrefrigeratorcouldautomatically（自动地）placeanorderonlineforeggswhenitfindsthattherearenoeggsleftinside.（1）Whichcitywas5Gtestedforthefirsttime?A. Beijing

6、.                                B. Shanghai.                                C. Shenzhen.（2）Whatcanweinfer（推测）accordingtothepassage?.A. 5GiswidelyusedinChinanow.B. 5Gnetworkswillmakeourlivesmoreconvenient.C. Therearenosymbolsatthetopofourphones.（3）Thewriterusesself-dr

7、ivingcarsasanexampleto              .A. explainhow5G'sfastspeedcanbehelpfulB. warnaboutthepossibledangersofself-drivingcarsC. explainhowself-drivingcarswork（4）WhatisIoTaccordingtothepassage?A. Arobotthatcandohousework.B. Anonlinestorewhereyoucanbuyanything.C. Alargeon

8、linenetworkthatconnectsthingsandpeople.（5）Whichsentenceisrightaccordingtothepassage?      A. 5Gwillhelpusbuyeggsquickly.B. R