【中考复习冲刺】2021年广东省中考英语模拟卷题型冲关卷(五)-阅读理解-(有答案)

2021年广东省中考英语考前模拟卷

机密★启用前

2021年广东省初中毕业生学业考试模拟卷

题型冲关（阅读理解）

第1组

四、阅读理解（本大题有15小题，每小题2分，共30分）

阅读A、B两篇短文，从每小题所给的四个选项中，选出能回答所提问题或完成所给句子的最佳

答案，并将答题卡上对应题目所选的选项涂黑。

A篇

WeChat,aChina'smost-usedapp,whichhasnearlyabillionusers,wantstomakeitselfevenmore

popularbyallowingpeopletofindandplaygamesinsidethemessagingapp.Nowadaysplayinggames

onlineisverycommon,especiallyamongyoungpeopleandteenagers.

However,onlinegamesifmisused（滥用的）canhaveverybadeffectsonhumanbeings,suchaseye

sore,backpainandheadache.Isthereahealthy,funnyandpracticalgame?

Yes!itis!

BrainBoxWorld

PlaytogetherLearntogether

OuroriginalBrainBox,designedforyoutoplaywithfamiliesorfriends,willhelpimproveobservation

andmemoryskillsaswellasknowledgeoftheworldwelivein.Regularlyupdated,eachcountrycard

featurescapitals,flagsandborders,aswellasiconic（形象的）andculturalimages（图像）.Now

translatedinto24languages,BrainBoxWorldisaclassicfamilygameandaBritishsuccessstory,

createdanddevelopedinHighWycombe,Buckinghamshire.

WhybuyaBrainBoxGame?

"heyarefuntoplay.

*Madefromrecyclablematerials.

*Multi-levelsmeanthatadultsandchildrencanplaytogether.

Contents:71Cards1Rulescard>1Sandtimer>1Dice

Aimofthegame：Betheplayerwiththemostcardsaftertenminutes.

Enjoyyourself,for2ormoreplayers.

Tips:

(1).TakeacardfromtheBrainBoxandturnthetimerover.

(2).Answertheappropriatequestions.

(3).Ifcorrect,youkeepthecard.

Remember,alltheanswerstothequestionsareonthepicturesideofthecards,solookcarefully!

()21.Themost-usedappinChinaisaccordingtothepassage.

A.QQB.WeChatC.YouTubeD.AliPay

()22.TherearebadeffectsofplayingonlinegamesEXCEPT.

A.eyesoreB.backpainC.headacheD.toothache

()23.TheBrainBoxWorldGameiscreatedin.

A.AmericaB.ChinaC.EnglandD.France

()24.IfyoubuyaBrainBox，youwillget.

A.asandtimerB.someflagsC.twodicesD.anapp

()25.Thispassageismostprobablyfrom.

A.anovelB.astorybookC.acomicD.amagazine

B篇

AntForest,aprojectlaunched(倡仪)byChinesemobilepaymentplatformAliPay,hasreceiveda

2019ChampionsoftheEarthGuardianAward,theUN'shighestenvironmentalhonor,forturningthe

greengooddeedsofhalfabillionpeopleintorealtreesplantedinsomeofthedriestpartsofChina.The

UnitedNationsEnvironmentProgramannouncedinNairobi,Kenya,onSeptember19,2019.

TheawardalsowenttoChineseOrganizationslast2years.In2018,ZhejiangGreenRuralRevival

ProgramwontheInspirationandActionawardforitsworktodealtwithpollutedwaterwaysanddamaged

lands.In2017,SaihanbaAfforestationCommunitygotthesameawardforturningbarrensandintogreen

hills.

AntForestusersareencouragedtorecordtheirlow-carbonfootprintthroughdailyactionslike

takingpublictransportorpayingutilitybills(水电费)online.Foreachaction,theyreceive“greenenergy”

pointsandwhentheygetacertainnumberofpoints,arealtreeisplanted.Userswillbeabletoviewimages

oftheirtreesinreal-timeviasatellite.

Inadditiontoplantingtrees,userscanalsogetprotectedareasthroughthe“antforestnplatform,

explorenewwaystohelpthepoorandimprovethelivingstandardsoflocalpeoplethroughdigital

technologies.

SinceAntForestlaunchedinAugust,2016,AntForestanditsNon-governmentalorganization

partnershaveplantedsome122milliontreesinChina'sdriestareas,whichincluderegionsinInner

Mongolia,Gansu,QinghaiandShanxi.Thetreescoveranareaof11.2millionsquarekilometers,with

theprojectbecomingChina'slargestprivatesector(民间)tree-plantingproject.

()26.Whichorganizationwon2019ChampionsoftheEarthGuardianAward?

A.TheUnitedNationsEnvironmentProgram.B.AntForest.

C.ZhejiangGreenRuralRevivalProgram.D.SaihanbaAfforestationCommunity.

()27.HowdotheAntForestusersgetarealplantedtree?

A.Byrecordingtheirlow-carbonfootprintthroughdailyactions.

B.Bytakingpublictransport.

C.Bypayingutilitybills.

D.Bywateringthetrees.

()28.Theunderlinedword“barren“meansinChinese.

A.肥沃的B.绿色的C.黄色的D.贫瘠的

()29.Accordingtothepassage,whichstatementsisNOTtrue?

A.AntForestisaprojectlaunchedbyAliPayinAugust,2016.

B.AntForesthaveplantedsome122milliontreesinChina*sdriestareas.

C.AntForestisbecomingChina'slargestprivatesectortree-plantingproject.

D.AntForestisturningthegreengooddeedsof500millionpeopleintorealtreesplanted.

()30.Themainideaofthispassageis.

A.totellushowtoplayAntForest

B.tointroduceAntForest

C.tomakeareview（评论）onAntForest

D.tointroduceAntForest*sachievement

c篇

配对阅读。左栏是五个求职者的个人信息，右栏是七则招聘启事，请为每个人找到合适的工作,

并将答题卡上对应题目所选的选项涂黑。

()3l.LinTao'smajorinpsychology(心理学).A.PsychologicalDoctorWanted

Hehasworkedasaprimaryteachersince2018.

YuanguangCompanyisinlackofapsychological

Hehopestoworkinamiddleschool.

doctor.Mustbegoodtoworkers.

()32.LiShuis30yearsold.Hedoesn'thave

B.Courier(快递员)Wanted

mucheducation,butheisstrongandhard­

working.HehasworkedasatruckdriversinceheSFExpressneedsayounghealthymanwhocan

leftschool.carrydelivery.Musthaveadrivinglicense.

()33.Melodyisauniversitystudent.She*sC.SchoolDoctorWanted

kindandpatient.Shealwaysvolunteerstohelp

XingguangKindergartenislookingforaschool

othersduringherholiday.

doctorwithmorethanoneyear'sexperience.

()34.Tommyisafatherwhohas2children.

D.ManNurseWanted

Heusedtoworkinaclothesfactory.Nowhe

wantstofindajobinGuangzhousothathecanNo.lRenminHospitalneedsamannurse.Majored

takecareofhischildrenafterwork.innursinginuniversity.Mustberesponsible.Have

()35.QianYongstudiedinnursingtwoyears'experienceatleast.

professioninZhongshanUniversity.HehastwoE.PsychologicalTeacherWanted

years'experienceinthelocalcommunityclinic.

ApsychologicalteacherisneededinZhuhai

MiddleSchool.Mustmajorinpsychology.Better

haveteachingexperience.

F.WorkersWanted

PanyuMaskFactoryinGuangzhouneedssome

workersurgently.Mustbehealthyand

hard-working.

G.VolunteersWanted

QinxingCommunityneedssomevolunteers.Must

becarefulandpatient.Helptotakethe

temperatureforpeoplewhoenterthecommunity

duringfightingagainstCOVID-19.

第2组

四、阅读理解（本大题有15小题，每小题2分，共30分）

阅读A、B两篇短文，从每小题所给的四个选项中，选出能回答所提问题或完成所给句子的最佳

答案，并将答题卡上对应题目所选的选项涂黑。

A篇

WuhanisthecapitalcityinHubeiProvinceinCentralChina.Jiushengtongquisanamegivento

Wuhaninancienttimestotellitsexcellentlocationandtransportation.Nowadays,Wuhannotonlyhas

greatwaterwaysandlandroadsbutalsodevelopsalargenetworkofhigh-speedrailwaysanddirectflight

tomanyforeigncountriesandplaces.In2019,itsGDPreachedmorethan1,600billionyuan.ThatwasNo.8

inChinaandNo.linCentralChina.

Wuhaniscalledaheroiccity.Why?BecauseitisthebirthplaceofmanyfamouspeoplelikeZhong

Ziqi,thefamousmusician；LiXiannian,thethirdpresidentofChina；LiSiguang,thefamousgeologist

andsoon.Itisalsothecenterplaceofmanyheroiceventsinhistory.

SoWuhan,youareahero.Youwillwinthesmokelessviruswar!

HeroicEvents

TimelinesEvents

Newschools,ironfactoriesandarmytrainingcentersweresetupduringthe

Inthe1860s

WesternizationMovements（洋务运动）.

WuchangUprising（起义）beganXinhaiRevolutionthatoverthrewQing

In1911

Dynasty.

WuhanbecamethefirstcitytogetbacktheBritishsettlement（英租界），aplace

In1927

wheretheBritishpeoplelivedandruledinourChineseland.

WuhanDefense(保卫)WarbrokeJapan'splantotakeoverChinainashort

In1938

time.

TheChinesesoldiersbuiltanewGreatWallwiththeirownbodiestoovercome

In1998

thebigflood.

In2003PeoplefoughttogetheragainstSARS.

In2008Peoplegotthroughthesnowstormandwelcomeanewspring.

In2019&2020PeopletrytheirbesttowinthewaragainstCOVID-19.

()2l.Inthefirstparagraph,arementioned.

A.locationandtransportation

B.productionandpopulation

C.populationandlocation

D.transportationandpopulation

()22.Thereis(are)reason(s)whyWuhaniscalledaheroiccityaccordingtothepassage.

A.oneB.twoC.threeD.four

()23.Accordingtothepassage,itistruethat.

A.Wuhanhasgreatwaterwaysandlandroadsbutasmallnetworkofhigh-speedrailways

B.Wuhan'sGDPreachedmorethan1,600billiondollarsin2019

C.WuchangUprisingendedXinhaiRevolutionthatoverthrewQingDynasty

D.Japan'splanwasbrokenbecauseofWuhanDefenseWar

()24.Thewriterofthispassageprobablywantsto.

A.letmorepeopleknowaboutWuhan

B.listsomefamouseventsinhistory

C.attractmoretouriststocometoWuhan

D.encouragepeopletohaveconfidenceagainstCOVID-19

()25.Thispassageisprobablyfrom.

A.ahistorybook

B.ageographymagazine

C.anintroductionwebpage

D.asciencereport

B篇

Cookies,cakes,icecream,pudding,candiesareallsweetsthatpeoplecanhardlyrefuse,especially

kids.Studieshaveshownthatkidshaveabuilt-inloveofallsweetthings.Evennewbornsprefersweeter

milk.Andkidslovedrinkswithsomuchsugarthatnomoresugarcanbeabletobedissolvedinwater.So

whydoessugartastessogood?

Ontheonehand,sugarprovidesourbodywithcalories,whichareturnedintoenergy.Children

needenergytopowertheirrapidgrowth.Sugaralsohelpstostorefat,whichwecanmakeuseofincase

wedon'thaveenoughenergy.Asaresult,sugaristhethingourbodyneeds.Whenourbodyneedssugar,

itsendssignalstoourbrainandwestarteatingwhatwearemissing.

Ontheotherhand,welovesugarbecauseitiscommonlyfoundintheplantsweeat.Plantsuse

sunlighttoprocesswaterandCO2intoatypeofsugarcalledglucose(葡萄糖).Thatglucosethenprovides

theplantwithfoodandthebuildingmaterialsforcellwalls.Andplantsnotonlyoffersugarbutalsomany

importantthingsourbodyneeds,suchasvitaminsandiron.Butourtonguesareespeciallygoodatsensing

sugarbutbadattastingvitaminsandiron.Thafstosay，wemayhavedevelopedourloveofsugarwhile

tryingtomakesurewearefeedingourbodyothermoreusefulnutrients(营养).

However,toomuchsugarcanharmourbody.TheWorldHealthOrganizationadvisesustoeator

drinknomorethanfiveteaspoonsofsugareveryday.Sowemighthavetoworkonourwillpowertosayno

tomorethanenoughsugar.

()26.Kidshaveabuilt-inloveofaccordingtothepassage.

A.somesweetthingsB.fewsweetthings

C.mostsweetthingsD.allsweetthings

()27.TheunderlinedwordudissolvedvprobablymeansinChinese.

A.净化B.融化C.解决D.分解

()28.Inthesecondparagraph,"it"referstoaccordingtothepassage.

A.sugarB.energyC.ourbodyD.ourbrain

()29.WhichofthefollowingstatementsisTRUE?

A.Sugarprovidesourbodywithenergywhichisturnedintocalories.

B.Plantsusesunlighttoprocesswaterintoatypeofsugarcalledglucose.

C.Wemightlovesugarbecauseweneedtofeedourbodyothermoreusefulnutrients.

D.TheWHOadvisespeopletoeatordrinkmorethanfiveteaspoonsofsugareveryday.

()30.Whichisthebesttitleofthispassage?

A.Whydoessugartastesogood

B.Wheredoessugarcomefrom

C.Howissugarproduced

D.Whendopeopleneedsugar

c篇

配对阅读。左栏是五种类运用仿生技术的创作发明，右栏是七种仿生技术的版权所有动物，请将

发明和它们对应的动物配对，并将答题卡上对应题目所选的选项涂黑。

()3l.WecanlocatethingsinthedarkbecauseA.Wearecalledakindoffishbutwearenotfish

wecansendoutaspecialsoundtomakesureatall.Weareverybeautifulbecausewehave

wherethethingsare.differentcolors.Peoplelearnfromusbecausewe

canproduceabigforcewhenwegoaround.

()32.Wecanfly.Wecantakepeoplefromone

placetoanotherbyair.PeoplebuildairportsforusB.Weusuallyturnupinsummernightsalongthe

sothatwecantakeoffandlandproperly.riversidesorbushes.Wehavealightinour

stomachandwecantwinklelikestars.

()33.Wecanjumpintothespaceandsend

satellitestocirclearoundtheearth.WeneedabigC.Wedon'tseewithoureyesbutwithsoundswe

pushinordertogetoutofthepulloftheearth.make.Weliketohangourselvesupsidedownand

weusuallystartourdayduringthenight.

()34.Wecanhelptomakethesaltyseawater

becomelesssalty.WedrawoutthesaltandlettheD.Weliveandplayinthewater.Wecanbevery

freshwaterremainsothatpeoplecandrinkfasttherebecauseourbodieshaveverygood

healthywater.streamlines(流线)thatreducetheprevention

forces.

()35.Wecanstayunderthesea.Scientistscan

gowithustodoresearchinthedeepsea.ArmiesE.Wearegoodatmakinguseofairtofloatupour

canuseustocarrybigbombsandprotectthebody.Weareliftedbecausetheairaround

homeland.becomesdifferentwhilewearemovingourwings.

F.Wemakewebstocatchourfood.Peoplelikeour

wayofmakingwebsandthelinesweproduceto

maketheweb.

G.Wearecalledthelivingfossilsbecauseour

greatgrandfatherslivedwiththedinosaurs.We

droptearswhenweeatbecauseweneedtoget

lesssalt.

第3组

四、阅读理解（本大题有15小题，每小题2分，共30分）

阅读A、B两篇短文，从每小题所给的四个选项中，选出能回答所提问题或完成所给句子的最佳

答案，并将答题卡上对应题目所选的选项涂黑。

A篇

Seven-Star-CragScenicAreaisnamedafterthesevenlimestone（石灰岩）peakslinedupliketheBig

Dipper.TheScenicAreacoversatotalareaofabout8.23squarekilometers,anditbelongstothekarst（喀

斯特）landform.Itsmainlandscapes（景观）includepeaks,caves,lake,tabletinscriptions（碑亥ij）and

taoist（道教）temples.Thesceneryisbeautiful,anditisknownastheuFairylandoftheWorldvand"the

FirstWonderofLingnan”.

Seven-Star-CragNightTour

30yuaneach

19：30—23：00

Thetourtakesabout40minutes

（viatheGreatLakes）

Whattodoonacruise

Inordertomakeallvisitorssafeandenjoythelakeandmountainsonourboat,pleasefollowtherules：

•Obeythearrangementofthestaffonboardandboardtheboatinorder;sitontheboatinbalance;donot

standorwalkwhentheshiphasstartedortheboathasnotstopped.

•Pleasedonotshakeontheboat,playorputyourhandsorfeetintothelaketoplaywithwater.

•Pleasetakeaseatintheboatanddonotleavethefrontandrear（后面的）cabinsoftheboat.

•Pleasekeeptheenvironmentclean；donotthrowrubbishintothelake.

•Lifejacketsareprovidedonthecruiseboattoensurethesaftyofthetourists.

（）21.ThemainlandscapesofSeven-Star-CragScenicAreadon'tinclude.

A.taoisttemplesB.cavesC.boatsD.lake

（）22.Ifyouinvitetwofriendstoenjoythelakebycruiseboat,youwillspendyuan.

A.30B.40C.60D.90

（）23.Visitorscanenjoythelakeandmountainsonthecruiseboatat.

A.9：30a.m.B.11：00a.m.C.7：00p.m.D.9：30p.m.

（）24.Donotthrowrubbishintothelakeinorderto.

A.protecttheenvironmentB.keeptheboatinbalance

C.playwithwaterD.takeaseatintheboat

)25.Thispassageismostprobablyfrom.

A.agovernmentnoticeB.atouristinformationbooklet

C.atourguide'sspeechD.anelectricalsysteminstruction

B篇

OnJanuary1Oth,the2020SpringFestivaltravelrushstarted.FromJan.l0toFeb.l8,thetotalnumber

oftripislikelytohit3billion.Buthowdosomanypeopleleavetheircitiesforthehomesoftheirparents

andgrandparents?Byadoptingairtrips,waterwaytripsandespeciallytraintrips.

Chinahigh-speedrailisthemostadvancedtransportationsystemintheworld.Startedinonly2007,

at6,000milesandgrowing,it'salreadythelongestbullettrainnetworkintheworld.Travelingthe800-mile

tripfromShanghaitoBeijingusedtotake14hours.Nowyoucangetthereinjust5hours.

Allhigh-speedrailwaystationswillallowpassengerstouseelectronictickets.AccordingtoChina

StateRailwayCo.,passengerscancheckinwithoutpaperticketsat1,020railwaystationsacrossthecountry,

whichisexpectedtoincreasethespeedofpassengers*flow.Inaddition,theOpiniononDeepeningthe

ReformofRoadTransportPriceswaseffectiveonJanuary1st,2020,whichmadeitclearthateligible(符合

条件的)childrenenjoyfreerideorhalf-priceticketsbypublictransport.Thecriteriaareasfollows：

Childrenwhoareunder6yearsoldanddon'tneedseparateseatscantakepublictransportforfree.Half-price

ticketsareavailableforthosewhoneedseparateseatsormorethanoneseat.Childrenwithaheightof1.2

to1.5metersareeligibleforhalf-pricepolicyandseatsavailable.

()26.ThemainwaytotravelduringtheSpringFestivaltravelrushis.

A.takingaplaneB.takingashipC.takingatrainD.takingabus

()27.ThejourneyfromShanghaitoBeijingtakeshourslessthanitusedto.

A.14B.5C.9D.6

()28.Theunderlinedword“criteria“meansinChinese.

A.优惠B.标准C.建议D.执行

()29.Theunderlinedword“those“inthelastparagraphisabout.

A.childrenwhoareunder6yearsoldB.childrenwhoareover6yearsold

C.childrenwhoare6yearsoldD.childrenwithaheightof1.2to1.5meters

)30.Whatisthemainpurposeofthepassage?

A.Tohelppeoplefindthewaytogohome.

B.TotellwhatSpringFestivaltravelrushis.

C.TointroducethehistoryofChinahigh-speedrail.

D.ToshowthedevelopmentoftransportationinChina.

C篇

阅读配对。左栏是应对消极情绪的五个建议，右栏是七个具体做法，请将左栏的建议和右边的做

法配对，并将答题卡上对应题目所选的选项涂黑。

()31.MoveYourBodyA.Usingyoursmilemusclestotellyourbrainto

changeyourmood.Nomatterwhat'sgoingon,

Nomatterhowlowyou'refeeling,yourmood

theabilitytolaughatyourselfandyoursituation

willgetawell-deservedsupportafter

isreallyimportant.

movements.That^becauseworkingoutcreates

endorphins(安多芬)一bodychemicalsthatmakeB.Shutyourselfinyourroomandraiseyour

usfeelhappy.voiceincrying.Whenyou'redone,you'llbe

readytofacetheworldagain.

()32.TalkaboutIt

C.Draw,write,paint,sing,dance,play

Sayingthingsoutloudcancalmyoudownandmusic…Dosomethingthatmakesyoufeellike

helpyouseethingsdifferently.you'regettingallyouremotionsout.

()33.LaughaLot!D.You'reonlyhuman!Justtakeadeepbreath

andapologizeifyoumakeamistake.Youllfeel

Humorcanmakeyoufeelbetterwhenyou'reina

betterifyoudo!

badmood.Andsmilingcanhelptoputyouina

E.Shareyourfeelingswithfriendswhoyoucan

bettermood.

trustanddon*tforgetyourparents.Eventalkingto

()34.SayYou'reSorryyourpetcanhelpsometimes.

NomatterhowgoodyouareatmanagingyourF.Keepawaythesadfeelingsinawarmbubble

emotionsyou'llstilloccasionally(偶尔)slipupbath,listentosoothing(舒缓的)music,reada

andsaysomethingyouregret.goodbook,orgooutforawalk.

G.Keepthehabitoftakingexercisesuchas

()35.Cry—It*sOkay!

playingbadmintoninthepark,jogginginthe

Sometimestheonlywaytogetyourfeelingsoutismorning,swimminginapool,playingballs

tocry—sogoahead!Noonesaysyouhavetobewithfriendsandsoon.

happyallthetime.

第4组

四、阅读理解(本大题有15小题，每小题2分，共30分)

阅读A、B两篇短文，从每小题所给的四个选项中，选出能回答所提问题或完成所给句子的最佳

答案，并将答题卡上对应题目所选的选项涂黑。

A篇

BecomeaScholasticNewsKidReporter

ThankyouforyourinterestinbecomingaScholasticNewskidreporter!

Inordertobeconsidered,youmustbebetweentheagesof10-14(mustbe10

yearsoldbyNovember1,2020)andcompleteandhandinallofthefollowings.

•Atypednewsarticle(400wordsatmost)aboutapersonoranorganizationmakingadifferenceinyour

community.

•Atypedessay(短文)(250wordsatmost)thatanswersthequestions：Whydoyouwanttobeakid

reporter?Whatdoyouhopetolearnasakidreporter?

•Twoideasforstoriesaboutyourcommunity,whichyouwouldliketoworkonasakidreporter.

•Abasicbackgroundinformationformthatletstheeditorsknowmoreaboutyou.

•Astudentrelease(发放)formwhichisprovidedbyScholasticNewsandmustbecompletedandsigned

byyourparent.

•Arecentphotoofyourself.Ifyouarechosenasakidreporter,itwillappearontheScholasticNews

websitewhenweannouncethenewkidreportersinearlyNovember.Thephotocanbeacoloronewhich

isprintedoranactualone,andwewon'treturnanyphotoswhicharehandedin.

Sendalltheaboveto：

ScholasticNewsKidsPressCorps/Apply

557Broadway

NewYorkNY100123999

Havequestionsabouttheapplication(申请)？Emailkidspress@.

AllapplicationsmustbesentbySeptember25th,2020

NOLATEAPPLICATIONSWILLBEACCEPTED!

()21.willbeallowedtoworkasakidreporter.

A.ThekidwhowasbornonNovember1,2002

B.ThekidwhowasbornonDecember1,2009

C.ThekidwhowasbornonSeptember1,2000

D.ThekidwhowasbornonOctober1,2005

()22.YoucancompleteandhandinthearticleoressayEXCEPT.

A.thetopicaboutpeopleororganizationsmakingadifferenceinyourcommunity

B.whydoyouwanttobeakidreporter?

C.thetopicaboutanimalsinyourcommunity

D.whatdoyouhopetolearnasakidreporter?

()23.Ifyouwanttobeakidreporter,youshould.

A.provideoneideaforstoriesaboutyourcommunity

B.completeaformprovidedbyScholasticNewsandsignedbyyourparent

C.handinarecentphotoofyourfamily

D.handinabasicgradeinformationform

()24.Arecentphotoofyourselfcanbe.

A.acoloronewhichisprintedB.returnedifyouwant

C.emailedtokidspress@.D.sentbyOctober25th,2020

()25.Thispassagemaybefroma.

A.novelB.dictionaryC.guideD.bookreview

B篇

IthasbeenabouttwentyyearssinceChinasentupthefirstBeidousatellitein2000.Atthattime,

moreBeidousatellitesweresentintospacetoformtheBeidouNavigation(导航)SatelliteSystem(BDS).In

late2012,itbeganprovidingpositioning,navigation,timingandmessagingservicestopeopleinChina

andotherpartsoftheAsiapacificregion(地区).

Attheendof2018,BDSstartedtoprovideglobalservices.ltmeansthatBeidouenterintoaglobal

era(时彳弋)fromitsregionalera,BDSSpokespersonRanChengqisaidatanewsconference.

NowBDShas53satellitesinspace—morethantheUSgovernment'sGPSwhichhas31active

satellites.ltmeansthecoreofBeidou'sthirdgenerationnetworkisnowfinished.ltisexpectedtogreatly

improvethesystem'sabilitytoserveusersworldwide.

Althoughasatellitebasednavigationsystemneedsonly24satellitestorunproperly,53allowsfor

bettercoverage.GPScalculateslocationstowithinafewmeters，butBDSreducestheerrorto

centimeters.Thishighprecision(精密度)serviceisusefulfors