重慶市珊瑚中學2021-2022學年高三最后一模英語試題含答案

2021-2022高考英語模擬試卷注意事項：1．答題前，考生先將自己的姓名、準考證號填寫清楚，將條形碼準確粘貼在考生信息條形碼粘貼區(qū)。2．選擇題必須使用2B鉛筆填涂；非選擇題必須使用0．5毫米黑色字跡的簽字筆書寫，字體工整、筆跡清楚。3．請按照題號順序在各題目的答題區(qū)域內作答，超出答題區(qū)域書寫的答案無效；在草稿紙、試題卷上答題無效。4．保持卡面清潔，不要折疊，不要弄破、弄皺，不準使用涂改液、修正帶、刮紙刀。第一部分（共20小題，每小題1.5分，滿分30分）1．Ihadhardlyrungthebell________thedoorwasopenedsuddenly,andmysonrushedouttogreetme.A．beforeB．untilC．asD．since2．TrumpsaidhebelievesNorthKoreawill________itspromisetosuspendmissiletestswhilehepreparesforasummitwithKimJongUn.A．taketoB．makeupC．standbyD．holdout3．Howlongdoyousupposeitis________________hearrivedandbegantoworkthere？A．when B．beforeC．after D．since4．_____areceptiontocelebratethe68thanniversaryofthefoundingofthePeople'sRepublicofChina，vicepremierLiuattachedimportancetomutuallybeneficialcooperationbetweenUSAandChina．A．Addressing B．AddressedC．Beingaddressed D．Toaddress5．Obviously,agoodhabithelpustospeeduptoreachourdestinations.A．need B．must C．can D．shall6．Ensuringeverychildequalrightstoeducationis_____thekeytotheeliminationofinequalityacrosstheworldlies.A．that B．what C．whether D．where7．Themanageristryingtofindamantorecommendhowthejob.A．isdone B．bedone C．shoulddone D．todo8．Wheneveryou________apresent,youshouldthinkaboutitfromthereceiver’spointofview.A．bought B．havebought C．willbuy D．buy9．—Whataboutwatchingaballetshowthisevening?—Thanksforinvitingme,butballetisn’treally______.A．theappleofmyeye B．myfeetofclayC．mycupoftea D．thesaltoftheearth10．Paulawaiteduntilalltheluggagewascleared,__________hersneverappeared.A．or B．so C．as D．but11．Alongwiththeemailwasmybrother’spromise______Icamefirstinthecompetition,hewouldbuymeanMP4.A．what B．that C．thatif D．whether12．Inthisarticle,youneedtobackupgeneralstatementswith________examples.A．specific B．permanentC．abstract D．universal13．Thereisnodoubtthatclimateallovertheworld______greatlyinrecentyears.A．hadchanged B．ischangingC．changed D．hasbeenchanging14．Ifwe________atableinadvance,wewouldn'tbestandinghereinthelongqueue.A．reserve B．reservedC．havereserved D．hadreserved15．Believeitornot,itis________________thatcausesyourillness.A．becauseofyourbeingoverweight B．becauseyouareoverweightC．youaresooverweight D．yourbeingoverweight16．Jimtoldusallthat_______hesaidsoatthemeetingwasright.A．all B．whatC．allthat D．that17．Peoplewhodrinkanddriveare________dangerbothtothemselvesandtoothers.Theyarein________dangeroflosingtheirlives.A．the;the B．a;a C．a;/ D．/;/18．Hardwork，alongwithdedicatedrevolutionaryspiritisthefundamentalguaranteeofsuccess，whichis________weshouldlearnfromthepioneersparticipatingintheLongMarch.A．that B．whatC．where D．how19．Eachparty_______respectthearticlesofthiscontract,oradouble-sizedfinancialpunishmentisamust.A．will B．could C．shall D．should20．______________totheparty,Nancywasveryupset.A．Havingnotbeeninvited B．NothavinginvitedC．Havingnotinvited D．Nothavingbeeninvited第二部分閱讀理解（滿分40分）閱讀下列短文，從每題所給的A、B、C、D四個選項中，選出最佳選項。21．（6分）Animageisworthathousandkilos?Okay,somaybenotathousandkilos,exactly,butastudyshowshowaphotodiarycankeepdietersmotivated,makingthemmorelikelytoachievetheirtargetweight.EliasKuzmarDaza,amedicalprofessionalfromColombia,studiedthemotivationlevelsofpatientsonweightlossprogramsatanutritionclinic.Differentmeasurementsweretakenofthepatientseachweek,includingbodymassindex(指標)foodandexercisediaries,etc.torecordtheirprogress.Inaddition,full-bodyphotographsweretakeneachweek,whichprovedtobeverymotivatingandakeyfactorinpatientscompletingthefullprogram.Overthecourseofthesixteen-weekprogram,afullninetypercentofpatients,agedbetween16and72,sawthetreatmentthroughtotheend,withseventypercentsuccessfullymeetingtheirweightlossaims.Amongthosemonitored,onemeasurementprovedparticularlymotivating:waistline.Thisfindingindicatesthatthemajorityofthepatientswhoattendedtheclinicdidsomotivatedbyimage,ratherthananyunderlyingcondition.Itshouldbepointedoutthateightypercentofthemwerefemale.Anotherusefulfindingofthisstudywasthatpatientsdidnotnecessarilyneedtoattendtheclinicinpersonfortheprogramtobeeffective.Asupportlinewassetup,whichpatientscouldcalltosubmittheirmeasurements.Theyalsotookandsenttheirownfull-bodyphotographstotheresearcher.Fiftypercentofpatientscompletedtheprograminthisway.Summarizingthefindings,Kuzmarsays:“Whatpatientswantisaphoto,ratherthancoldnumbers.”Thesephotosserveasvisualconfirmationthatalltheirhardworkispayingoff,encouragingthemontofurtherweightloss.1、Whatisthepurposeofthestudy?A．Toshowlosingweightisveryeasy.B．Tocompareseveralwaystoloseweight.C．Toprovetheeffectofimagesinweightlosing.D．Toseehowmanypeoplecanloseweightsuccessfully.2、Howmanypatientsintheclinicreachedtheirweight-lossgoals?A．50%.B．70%.C．80%.D．90%.3、Whatcangivepeoplemostmotivationwhentheyaretryingtoloseweight?A．Friends’encouragement.B．Others’strongmuscles.C．Theirslimmerwaistline.D．Theirstandardbloodpressure.4、Whatmustthepatientsdotocompletetheweight-lossprogram?A．Gotothecliniceveryweek.B．Calltosubmittheirmeasurements.C．Reporttotheprofessionaleveryday.D．Takefull-bodyphotographseachweek.22．（8分）Acheetah(獵豹)canrun70milesperhour.Blobfish(水滴魚)don’thaveanybones.ThesearefactsI’velearnedfrommy5-year-oldsonafterhewatchedsomenetworks,shows.Heisgreatlyinterestedinscientificfacts,soIwassurprisedtheotherdaywhenImentionedclimatechange.Afterafewmorequestions,Idiscoveredthathe’sneverheardanyofhisfavoritescienceshowsmentionclimatechange.Itisstrange,becauseclimatechangeisoneofthemostimportantenvironmentalissuesofourtime.Mysoncantellyoueverythingyoueverwantedtoknowaboutredpandas,exceptforthefactthattheirexistenceisbeingthreatenedbythechangingclimate.IreachedouttoPBSKids,Nickelodeon,andDisneyJuniortoseeiftherewasanytruthtohisclaim.Iwastoldthatexceptanepisode(一段情節(jié))ofDisneyJunior’sDocMcStuffinscalledTheBigStorm,noneofthethreenetworks’showshaseverdiscussedthecausesofclimatechangeonourplanet.Maybeyou’rewonderingifthereasonisthatkids’scienceshowsdon’tevertackletroublingenvironmentalissues.Whyaren’tthesenetworksintroducingkidstosuchanimportantissue?AccordingtoMaria,spokeswomanforPBSKids,it’sbecausethenetworkfeelsthatfocusingonfoundationalscienceconceptsisthemostage-appropriatewaytoserveouraudience.Idon’tknowaboutyou,butI’drathermykidlearnalittleaboutthemeltingpolaricecapsthanotherthings.Andkidscanhandleclimatechange.Evenyoungchildrenareabletounderstandthebasicidea.Moreimportantly,they’reabletobegintakingactiontoslowdownglobalwarming.Myguessisthatthenetworksareafraidthatpromotingthescienceonapoliticallycontroversial(爭議性的)issuewillleadthemtoloseviewersoradvertisers.Butifthat’strue,andthey’rechoosingtheirbottomlineovertheeducationofAmerica’schildren,that’sarealshame.Kidsneedtolearnabouttheissuethatthreatenstheirplanetifthey’reevergoingtofeelinspiredtosaveit.1、Whydidtheauthorfeelsurprisedatherson?A．Hehasknownmanyscientificfacts.B．Hehaswatchedalotofnetwork’sshows.C．Hedidn’tcareaboutglobalwarming.D．Heknewnothingaboutclimatechange.2、Theauthorwatchedthethreenetworks’showsinorderto.A．gettoknowherson’spreferenceB．findthereasonofherson’signoranceC．findthecausesofclimatechangeD．helphersonknowenvironmentalissues3、Whatdoestheauthorthinkhissonshoulddo?A．Learnsomethingaboutenvironmentalissues.B．Helptoslowdownglobalwarming.C．Discussimportantissueswithothers.D．Learntohandleclimatechange.4、Whatisthepurposeoftheauthor’swritingthistext?A．Toadvicekidsnottowatchnetworks’shows.B．Tointroducesomepoliticallycontroversialissues.C．Toexpresshisattitudetowardssomenetworks.D．TocallonallAmericanstocareaboutkids’education.23．（8分）ThemovieTheWizardofOzhasthousandsoffansaroundtheworld.Butbackin1939whenthefilmopened,audienceswerenotparticularlyfondofit.Itwasonlyamodestboxofficesuccess.ItwasnominatedforBestPictureatthatyear'sAcademyAwards,butsowerenineothergreatfilms.ItlostouttoGonewiththeWind.TheWizardofOzreallygainedanaudiencewhenitwasbroadcastregularlyonTV.Thatbeganinthe1950s.Thefilm'splotfollowsyoungDorothywhoisknockedunconsciousduringatornado.ShedreamsaboutfollowingaYellowBrickRoadthroughtheLandofOztotheEmeraldCity.ShewantstomeettheWizardofOzwholivesthere.He'stheonlyonewhocanhelphertoreturnhometoKansas.AlongthewayshemakesfriendswiththeScarecrow,theTinManandtheCowardlyLion.TheyhelpherandherdogTotoovercometheWickedWitchoftheWest!AccordingtotheLibraryofCongress,TheWizardofOzisthemostwatchedmovieofalltime.Whatisitaboutthefilmthatappealstopeople?Itincludesthemesthatpeoplecanrelateto.ThroughmostofthemovieDorothyistryingtogethometoKansas.Whenshefinallygetstogo,shespeaksthewords,"there'snoplacelikehome."Peopleidentifywiththatthought.Homeisthewelcomingplacewheretheyfeelsecure.Atthebeginningofthefilm,Dorothysingsofaplace"overtherainbow."There,thedreamsthatyoudaretodreamreallydocometrue.Sowhilehomeisagreatplace,dreamingaboutsomethingdifferentisallrighttoo.TheWizardofOzalsodealswithcourage.Dorothylearnsthattruecourageisn'tbeingunafraid.It'sfacingdangerwhenyouareafraid.Herfriendsfaceplentyofdangertorescueher.AsoneofthetrueclassicsofAmericanliterature,TheWizardofOzhasstirredtheimaginationofyoungandoldalikeforoverfourgenerations.Celebratethe80thyearofthisfabulousfilmbywatchingitagain.1、Accordingtothepassage,whatcanweknowaboutTheWizardofOz?A．ItwasforbiddentobebroadcastonTV.B．Itwaswell-receivedimmediatelyitopened.C．Itbegantoenjoyitspopularityinthe1950s.D．ItgotBestPictureatAcademyAwardsin1939.2、Whatthemeofthemovieattractspeople?A．Nopains,nogains. B．Knowledgeispower.C．Accidentswillhappen. D．Eastorwest,homeisbest.3、ThemovieTheWizardofOzisabout.A．homeandmodesty B．dreamandcourageC．creativityanddanger D．friendshipandviolence4、Whatdoestheauthoradvisetocelebratethismovie'sanniversary?A．Watchingitagain. B．Readingthebook. C．Satisfyingtheaudience. D．Daringtodream.24．（8分）Persuasionistoconvincesomeonetoagreewithyou,justlikeartwhichalsocallsforspecialtechniquestoaccomplish.AccordingtotheancientGreeks,therearethreebasictoolsofpersuasion:ethos,pathosandlogos.Ethosisaspeaker’swayofconvincingtheaudiencethatheistrustworthy,honestandreliable.Onecommonwayaspeakercandevelopethosisbyexplaininghowmuchexperienceoreducationshehasinthefield.Afterall,you’remorelikelytolistentoadviceabouthowtotakecareofyourteethfromadentistthanafireman.Pathosisaspeaker’swayofconnectingwithanaudience’semotions.Forexample,apoliticianwhoistryingtoconvinceanaudiencetovoteforhimmightsaythathealonecansavethecountryfromaterriblewar.Thesewordsareintendedtofilltheaudiencewithfear,thusmakingthemwanttovoteforhim.Similarly,ananimalcharitymightshowanaudiencepicturesofinjureddogsandcatstomaketheviewerfeelpity,sotheywillbemorelikelytodonatemoney.Logosistheuseoffacts,statisticsorotherevidencetosupportyourargument.Anaudiencewillbelieveyouifyouhaveconvincingdatatobackupyourclaims.Presentingthisevidenceismuchmorepersuasivethansimplysaying“believeme“.Althoughethos,pathosandlogosallhavetheirstrengths,theyareoftenmosteffectivewhenusedtogether.So,thenexttimeyoulistentoaspeech,watchacommercialorlistentoafriendtrytoconvinceyoutolendhimsomemoney,beonthelookoutfortheseancientGreektoolsofpersuasion.1、Whatdopersuasionandarthaveincommon?A．Theybothentertaintheaudience.B．Theybothrequiregreatskilltoachieve.C．Theybothdemandfullattentionfromtheaudience.D．TheywerebothcommontopicsofancientGreekWriters.2、Howisaspeakerabletoshowhisethostotheaudience?A．Byexpressinghissympathywiththeaudience.B．Bytellingtheaudienceabouthispersonalpreference.C．Byusingbeautifullanguagetomakehisstatementsattractive.D．Byshowinghisknowledgeandexperiencerelatedtothetopic.3、Whatcanwelearnaboutthethreeaspectsofpersuasion?A．Ethosisthemostimportantaspectofpersuasion.B．Eachaspecthasadifferenteffectontheaudience.C．Honestyisthekeytomakingyourargumentsbelievable.D．Politicalleadersmostlyusepathostopersuadetheiraudience.4、Anadvertisementforwashingpowderwhichclaimsthat“scientifictestsshowthatourpowderkills95%ofallbacteria”ismainlyusing.A．ethosB．pathosC．logosD．acombinationofallthree25．（10分）Scientistshavefoundlivingorganismstrappedincrystals(晶體)thatcouldbe50,000yearsold.Theorganismswerefoundinahot,butbeautifulcavesysteminNaica,Mexico.Theseancientlifeformscanbeseenonlywithamicroscope.PenelopeBoston,wholeadstheAstrobiologyInstituteatNASA,thespaceagencyoftheUnitedStates,saystheancientmicrobeswereabletolivebyeatingmineralssuchasiron.ShespokeaboutthediscoveryrecentlyatameetingoftheAmericanAssociationfortheAdvancementofScience.Ifthefindingsareconfirmed,theywillshowhowmicrobescansurviveinextremeconditions.Fortydifferentkindsofmicrobesandsomeviruseswerefoundintheundergroundarea.Thegeneticstructuresoftheseorganismsare10percentdifferentfromthoseoftheirnearestrelatives.ThecavesinNaicaare800kilometersdeep.Theywereonceusedformininglead.Beforetheminersbeganworkinginthecaves,theareawasseparatedfromthesurfaceandtheoutsideworld.SomeofthecavesareasbigasthelargereligiouscentersbuiltduringEurope’sMiddleAges.Therearecrystalscoveringthewalls.Thecavesaresohotthatscientistsmustwearspecialclothingtokeepcool.Theclothingkeepsthecrystalssafefromhumangerms(病菌)orotherdamage.Bostonsaidtheresearcherscouldonlyworkforabout20minutesatatimebeforetheyhadtogotoaroomthatwas38degreesCelsiustocooldown.NASAofficialswouldnotletBostonshareherfindingswithscientificexpertsbeforelastweek’sannouncement.Soscientistscouldnotsaymuchaboutthefindings.ButNorineNoonan,abiologistwiththeUniversityofSouthFlorida,saidshebelievedthem.“Whyarewesurprised?”Noonanasked.“Asabiologist,Iwouldsaylifeonearthisextremelytoughandextremelycolorful.”Bostonisalsostudyingmicrobescommonlyfoundinsidecavesinothercountries,suchasUkraineandtheUnitedStates.Thesemicrobesappeartobeimpossibletokill.Bostonsaidtheyshowhowdifficultlifeonearthcanbe.1、Theexistenceoftheancientmicrobesrelieson.A．surroundinginsectsB．eatingmineralsC．diverseplantsD．absorbingair2、WhatcanweinferaboutthecavesinNaicafromthepassage?A．ThewallswerebuiltduringMiddleAges.B．Thetemperatureinthecavesisquitelow.C．Theenvironmentinthecavesisdifficulttoadaptto.D．Thecaveshavebeenexploredsincetheywereformed.3、WhatisthebiologistNorineNoonan’sattitudetowardsthefindings?A．Neutral.B．Doubtful.C．Positive.D．Indifferent.4、What’sthemainideaofthepassage?A．Livingorganismsbringhopetoscientificresearch.B．Cavesprovidelivingenvironmentforlivingorganisms.C．Microbesshowgreatpowertosurviveinterribleconditions.D．Scientistsdiscover50,000-year-old“superlife”inMexico.第三部分語言知識運用（共兩節(jié)）第一節(jié)（每小題1.5分，滿分30分）閱讀下面短文，從短文后各題所給的A、B、C和D四個選項中，選出可以填入空白處的最佳選項．26．（30分）WealwayscelebratedmyDad’sNovemberbirthdayonThanksgivingDay,evenafterheenteredanursinghome.Asyearswenton,theseeventstookona(n)

1meaning–atraditionalbirthdaypartyforDad,andapersonal

2for

allthathehaddoneformeinmylife.WhenweknewthatitmightbeDad’s

3birthday,thewholefamilydecidedtocometogetherforahugebirthdaycelebrationatthenursinghome.Itwasacrowdedparty4allofussittingaroundhim.Dadwasawonderful

5,andherewasabiggestaudiencehe’deverhad.Duringaquietmoment,IannouncedthatitwasnowDad’sturnto

6storiesfromus.IwantedeveryonetotellDadwhatwelovedabouthim.

7,wetoldstoriesfromourhearts,

8Dadlistenedwithwet,flashingblueeyes.We

9allkindsoflostmemories–storiesaboutwhenwewerelittle,storiesaboutwhenDadwasyoungandstoriesthataresharedasfamily

10.Eventhelittlestgrandchildrencouldn’t

11totelltheirgrandfatherwhytheylovedhim.Foramanwhohadbeenkindtosomanypeopleinhislife,herewasour

12tohonorhim.Afewmonthslater,atDad’smemorialservice,wefullyrealizedwhatwehadgivenDadthatnight.Thosewerethestoriespeoplenormallytellata

13.Theyaretold,then,fulloftears,withthehopethatthedepartedwillsomehowheartheoutpouringoflove.14

wehadgiventhoseloving

15toDadwhenhewas

16,toldthroughlaughter,accompaniedbyhugsandjoy.I’msurethestoriesandmemories

17overinhismindduringhislastmonthsanddays.Wordsdo

18,andtheyareenough.Weneedtosaythem,tospeakthem

19totheoneswelove,foreveryoneelsetohear.That’sthewayto

20love,andourchancetohonorapersoninlife.1、A．original B．modern C．complex D．double2、A．congratulation B．wish C．thanking D．apology3、A．late B．lost C．living D．last4、A．with B．as C．though D．by5、A．writer B．listener C．storyteller D．reader6、A．hearof B．listento C．makeup D．talkabout7、A．Littlebylittle B．Nowandthen C．Allatonce D．Oneafteranother8、A．if B．because C．while D．before9、A．recalled B．recorded C．regretted D．Remembered10、A．thoughts B．treasures C．possessions D．tales11、A．afford B．help C．wait D．offer12、A．chance B．task C．duty D．decision13、A．burial B．party C．meeting D．wedding14、A．And B．But C．So D．Or15、A．kindness B．memories C．care D．hugs16、A．healthy B．old C．young D．alive17、A．went B．flew C．rolled D．came18、A．benefit B．matter C．work D．mean19、A．publicly B．properly C．consciously D．correctly20、A．fallin B．searchfor C．handover D．giveback第二節(jié)（每小題1.5分，滿分15分）閱讀下面材料，在空白處填入1個適當的單詞或括號內單詞的正確形式。27．（15分）Shouldnaps(小睡)actually1．(lake)duringtheday?Well,wecertainlyknowfrom2．(evident)inourownsleepcenterandthatofmanyotherscientiststhatnapscangiveyoubenefitsforbothyourbrain3．yourbody.Buinapscanactuallybe4．double-edgedswordbecausewhilewe’reawakeduringtheday,we’rebuildingupsleepinessorsleeppressure.Sothatwhenyoutrytofallasleepatnight,you’llfallasleepquickly.5．isabasicguaranteeforagoodsleep.Andwhenwesleep,weactuallyreleasethatsleepiness,almostlikeavalve(閥門),onapressurecooker,sothatwewakeupthenextmorningfeeling6．(refresh).Soifyoutakeanapduringtheday,especiallyifyoutakeittoolateintheafternoon,youwillactuallyreleasesomeofthatsleepinessanditwillmakeitmuch7．(hard)tofallasleepandstayasleep8．(sound)throughoutthenight.Sotheadviceisifyoudon’tstruggle9．yoursleepandyoucannapregularly,thennapsarejustfine.Butifyoudohavetrouble10．(fall)asleepatnight,thenyoushouldavoidnapsandtryandbuildupthathealthysleepinessintheevening.第四部分寫作（共兩節(jié)）第一節(jié)短文改錯（滿分10分）28．（10分）假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌的以下作文。文中共有10處語言錯誤，每句中最多有兩處。錯誤涉及一個單詞的增加、刪除或修改。增加：在缺詞處加一個漏字符號（），并在其下面寫出該加的詞。刪除：把多余的詞用斜線（\）劃掉。修改：在錯的詞下劃一橫線，并在該詞下面寫出修改后的詞。注意：1、每處錯誤及其修改均僅限一詞；2、只允許修改10處，多者（從第11處起）不計分。Atfirst,Iwasnotquitewillingtositdownandwatchedthe90-minutefootballmatch、UsuallyIjustcheckedtheresultsbecauseIthoughtthatwasdulltowatchagameinthatplayerskickedaballtoeachother、Therefore,myfatherlovesfootball、DuringtheWorldCupin2006,mydadstaysuplatejusttowatchhisfavouritesport、Seeinghimstronglyinterestinthisgameof22menrunafteraball,Idecidedtositdowntowatchthegame、Ifoundgameexciting,andmydadexplainedfortherules、Wesharedourjoy、FootballisnottoobadlyaslongasIwatchitwithmydad!第二節(jié)書面表達（滿分25分）29．（25分）假定你是李華，你所在的學校要舉辦古詩詞朗誦大賽。請給你的留學生朋友Eric寫一封電子郵件邀請他參加，內容包括：1.介紹比賽的具體情況。2.報名方式及截止日期。注意：1.詞數100詞左右。2.可以適當增加細節(jié)，以使行文連貫。DearEric,IamLiHua.Iamwritingtotellyousomegoodnews._______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Lookingforwardtoyourreply.Yours,LiHua

參考答案第一部分（共20小題，每小題1.5分，滿分30分）1、A2、C3、D4、A5、C6、D7、B8、D9、C10、D11、C12、A13、D14、D15、D16、A17、C18、B19、C20、D第二部分閱讀理解（滿分40分）閱讀下列短文，從每題所給的A、B、C、D四個選項中，選出最佳選項。21、1、C2、B3、C4、D22、1、D2、B3、A4、C23、1、C2、D3、B4、A24、Aboutthreedecadesago,Chinawasknownasthe“BicycleKingdom”.Butthetwo-wheelwayoftransport'spopularitybegantofade,withmanybikessoonreplacedbytheirfuel-poweredcompetitors.ButrecentmonthshaveseenarevivalofthebikeacrossChina,withanincreasingnumberofpeoplechoosingtocycleinsteadofdrivingtoschools,toworkplacesortodosightseeing.Theintroductionofbike-sharingsystemshasbroughtthetrendtoanewlevel.Peoplecanunlockthesharedbikesbysimplyusingtheirsmartphones.ThebikesareequippedwithGPSandcanbeleftanywhereinpublicforthenextuser.They'repopularamongmanyChinesepeopleastheyprovideaneffectivesolutiontothe“l(fā)astmileproblem”，whichreferstothefina