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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
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