2021年上海各区高三英语一模卷汇编-语法填空(教师版)

#2021年上海各区高三英语一模卷汇编——语法填空Directions:Afterreadingthepassagebelow,fillintheblankstomakethepassagescoherentandgrammaticallycorrect.Fortheblankswithagivenword,fillineachblankwiththeproperformofthegivenword;fortheotherblanks,useonewordthatbestfitseachblank.One【宝山一模】SOSmessageonthesandsavesmissingsailorsMicronesiaisanareaofthewesternPacificOceanwithmorethan600islands,(21)coversahugeareaofoceannorthofthelargeislandofNewGuinea.Recently,threeMicronesiansailorssetouttosail42kmfromoneMicronesianislandtoanother.Unfortunately,theygot(22)(lose),andthentheyranoutoffuel.Afteralongtimedriftingwithoutpowerintheocean,theylandedonthetinyislandofPikelot,morethan100kmfromtheirdestination.Pikelotisjust450meterslongand280meterswide.ThehighestpointonPikelotisonlyfourmetersabovethesea.Nopeoplelivethere,andthereisnowater.Thelittleisland(23)(cover)intreesandhassandybeaches.Threedaysafterthethreesailorssetoutontheirvoyage,theydidnotarriveattheirdestination,soshipsandaircraftintheareabeganlookingforthe(24)(miss)men.Butitwasalmostimpossibletodecidewhere(25)(look)becausetherearesomanysmallislandsandtheoceanissolarge.OneoftheshipswastheAustraliannavyshipHMASCanberra,which(26)(sail)fromAustraliatoHawaiiandhadahelicopteronboard.Duringthistime,thethreesailorsdecidedtowrite(27)messageonthebeachontheirtinyisland.TheywroteahugeSOSinthesand.SOSisaninternationalsignalthatpeopleuse(28)theyneedhelp.Luckily,peopleonanAmericanaircraftsawtheSOSmessageinthesandandcontactedtheCanberra.Ahelicopter(29)theshiplandedonthebeachandgavethemenfoodandwater.Soonafter,aMicronesianboatarrivedandrescuedthethreesailors.Theyareveryluckytobealive,anditwastheSOSmessageinthesand(30)savedthem.Two【黄浦一模】ConsidertheMechanicalPencilIfyouusedtocollectsmallobjects,I’msure(ifyouwereanythinglikemyyoungerself)thatyouusedtocollectmechanicalpencils.InoneofthemathpreparatoryclassesI(21)(go)toinelementaryandmiddleschool,weusedtoreceivemechanicalpencilsasprizesfordoingwellonthein-classexamsoransweringquestionsinclass.Thiswas(22) IbuiltupmycollectionofCadoozles,whichareshortmechanicalpencilsdecoratedwithbrightlycoloredspaceshipsandicecreambars.ButI’velongsinceusedupallmyCadoozlesandamajorityofthemechanicalpencilsthatI(23)(hide)inanemptymooncaketinsomanyyearsbefore,whichmakesmereflectfondlybackonthoseolddays,whenreceivingamechanicalpencilwasaseasyasdrinkingaglassofwater.MechanicalpencilsarenotonlymoreconvenientthanyourtraditionalTiconderogainthesensethattheyneverneed(24)(sharpen);theyalsoproducethinner,cleanerlines,whichisextremelyimportantfordrawersanddrafters.Furthermore,theyareenvironmentallyfriendly,sinceyoudon’thavetobuy(25)woodenpencilwheneveryourunoutoflead(铅芯).Youcansimplyrefillyourmechanicalpencil!ThereisonlyoneslightnegativeImustremarkon,(26)isthatassomeonewhocallsmechanicalpencils“leadpencil”incasualconversation,theterm“leadpencil”isconfusing.Mechanicalpencilleadisactuallynotmadefromthechemicalelementlead.Itismadefromamixtureofgraphiteandclay,which(27)notgiveyouleadpoisoning.Thisiscontrarytowhatmythird-gradeteachersaidwhenshesawmyclassmateJohnclickinghismechanicalpencilagainsthisindexfingeroutofboredom:“John,stopthat!You’regoingtogetleadpoisoning!”Ithinkallthethird-graders(andteachers)intheworldwouldfeelmuch(28)(safe)iftheyknewwhatreallymadeupthepencilstheyuseeveryday.ItusedtobesoeasytograbamechanicalpencilwheneverIneededone,but(29)themooncaketinhasbecomeincreasinglylighter,Ihavelearnedtoappreciatemywritinginstrumentsmore.PerhapsIshouldhavecollectedafewmoreCadoozleswhenIwasyounger;perhapsIshouldhaveappreciatedthefeelingofholdingupthemooncaketinwhenitwasthree-quartersfull,hopingthattherewouldalwaysbeanewpencilforme(30) (use)tomorrow.Three【崇明一模】GeographyMakesaSilentReturnInmanywaysgeographyistheforgottenscience.Eventheword“geography”tendstomakepeoplethinkofstudents(21)(label)mapsinsocialstudiesclass.Butthathasn'talwaysbeentrue.Beforetheinternet,theworldwasamysteriousplace.Inmanycases,peopledidn’treallyknow(22)existedafewmilesfromhome.Studyinggeographyofferedpeopleawaytolearnabouttheworld.Geography,(23)_(define)asthestudyofEarth,hasalwayshadafocusonmaps.Butmappinghasn’talwaysbeeneasy.Inthedaysbeforesatellites,mapmakingrequiredyearsofdangerousanddifficultwork.Butmappingalsomeantachanceatadventureandfame.Geographybecamethesubjectofexplorers.Peoplewereeagertohearaboutthenewthingsandplaces(24)geographershadstudied.NationalGeographicisagreatexampleofthisinterest.Formorethanahundredyears,themagazine'sstoriesandpictures(25)_(tell)peopleaboutourexcitingworld.Technologyhaschangedthewaypeoplethinkaboutgeography.Travelisnoweasy.Theinternetmakesinformationsimple(26)(find).Wetrustourphonestotakeus(27)wewanttogo.EvenNationalGeographichasexpandedbeyondtraditionalgeography,butthatdoesn’tmeangeographyhasbecome(28)_(important).Whilesomeappsareobviousexamplesofmoderngeographyinaction,geographyremainsimportantinmoresubtle(不易察觉的)ways,too.Geography,whichhelpshousehunters,solvespublichealthissues,anddeterminesgoodlocationsfornewbusinesses,(29)(use)toplancommunitiesaswell.Liketraditionalgeographers,moderngeographersstudymanydifferenttopics.Thatmakesthemwell-suitedformanydifferentjobsandindustries.Today,geographersoftenhavetitleslike“urbanplanner”or“dataanalyst”Andtheworldisnoticing(30)_numberofgraduateswithdegreesingeographyisalsogrowing.Maybeit’stimeforyoutodiscovertheforgottenscienceagain.Four【徐汇一模】Wheneducatorsthinkofliteracy--theabilitytoreadandwrite--theyoftenplacemoreimportanceonstudents’abilitiestoreadandfullyunderstandapieceofwriting.Butexpertssaycriticalandcreativewritingskillsareequallyimportant.And,theysay,they(21)(overlook)toooftenintheclassroom.Comparedtoreading,writingis(22)(active).Ithelpsstudentsbeindependentthinkers,takeownershipoftheirstoriesandideasandcommunicatethemclearlytoothers,saysElyseEidman-Aadahl.SheheadstheNationalWritingProject,(23)offershelpforteacherswhowanttopushstudentstowritemore.Elysesaid,“Ihavetosay(24)wewantaneducationsystemjust(25)(focus)onmakingpeopleconsumersandnotonhelpingthembeproducers,thisemphasisonreadingonly--whichdoeshappeninsomanyplaces--isveryshort-sighted.”Shesaidstudents,writingworknowusuallycentersonexaminingatext,(26)presentinganewidea.Writing,shesaid,shouldbe“thecentralthingyou’relearning.Notwritingonatest,notwritingtodemonstrateyou,relearning(27)someonehastaughtyou”Teachingreadingtogetherwithwritingimprovesbothskills,saysRebeccaWallace-Segall,whoheadsaNewYorkCitywritingcenter,WritopiaLab.Shesaidwritingaffectsaperson,sabilitytoreadandmorethan90percentofyoungpeopleintheWritopiaprogramdonottrusttheirwritingabilities(28)theystart.Butshesaidtheylearntoenjoythewritingprocessandbecomemoreeffectivereaders,too.Elysesaidemployerstodayseekworkers“allthetime”whocanwritewell.Digitaltoolsincreasinglymeanthatpeopleare"(29)(interact)withtheinternetthroughwriting,”shesaid.Youngpeoplearealreadywritingallthetime--throughtextmessages,emailsandonsocialmedia.Elysebelieveseveryyoungpersontodayisawriteriftheyareconnectedtotheinternet.So,sheadded,“wehavetohelpthemdoitinthebest,mostresponsible,critical,prosocialway.”Rebeccaarguesthatwritingalsohelpsstudentsworkthroughdifficultiestheyfaceinlife“subconsciously”.“They’renotwritingastoryaboutadifficultfatherordirectlyaboutabullyinclass,(30)creatingafictionalscenario(电影剧本)thatmightfeeldistantenoughforthemtogodeepintoit.”Five【虹口一模】TheRiseofRobot-ChefsCREATORisanewhamburgerjointinSanFrancisco.Itnowclaimstodeliveraburgerworth$18for$6--inotherwords,(21)(provide)thequalityassociatedwithexpensiverestaurantsatafastfoodprice.Whatmattersbehindthisclaimisthatitschefisarobot.Creator’sburgerrobotisatrolley-sizedunitthathasafootprintoftwosquaremetres.Customerssendittheirordersviaatablet.Theyareabletocookeverythingfrom(22)well-donetheburgerwillbetothetypeofcheeseandtoppingstheywant.Theprocesssoundsrathersimplenow.But,infact,themachinetookeightyearstoperfectafterit(23)(create).Asfarbackas2012,ameretwoyearsintotheproject,itwasdescribedas“95%reliable”,butthatisnotenoughforabusykitchen.Choppingtomatoeswasaparticularlytoughchallenge,butevendetailsliketheverytool(24)packstheburgerintoabagwithoutsqueezingitweretrickyforthemachinetomaster.Onlynow,withamachinetomakereliably120burgersanhour,(25)AlexVardakostas,theengineerbehindtheproject,andhisco-founders,amixtureoftechnologistsandcaterers,feelconfidentenoughtoopentheirfirstrestaurant.Creatorisnotalone.Otherrobotchefshavealreadybeenworking,(26)(prepare)entiremeals,orsoonwillbe,inkitchensinotherpartsoftheworld.(27)that,thisnewwaveofautomationcouldsignaladramaticshiftinthewaythefastfoodindustryemployspeople.Thatdoesnotnecessarilymean(28)(employ)fewerstaff.Rather,moreofthemwillbeinroleswheretheycandirectlyhelpcustomers.“Creator,sgoalisnottobethemostautomatedand(29)(human-centered)restaurant,butactuallynot,”saidVardakostas.Itistooearlytosaywhetherthisfirstwaveofrobotchefswilldevelopwellinsuchademandingenvironmentasthekitchen.(30)__itdoes,it,scertaintomarkachangeinourrelationshipwithcookery.Cookingcouldbesomethingpeoplechoosetodosimplyforthesheerpleasureofit.Six【闵行一模】Therearemanywaysofdefiningsuccess.Itisaccuratetosaythateachofushasourownconceptofsuccesstotheextentthateachofusisresponsibleforsettingourowngoalsanddetermining(21)wehavemetthesegoalssatisfactorily.Becauseeachofuspossessesuniquedifferencesingeneticabilityandfavorableenvironments,itisnecessarilytruethatwemustdefinesuccessbroadly.Forsomepeople,simplybeingabletolivetheirlifewithaminimumofmiseryandsuffering(22)(consider)asuccess.Thinkofthepeaceofmindofthepoorshepherdwhotendshissheep,enjoyinghissimplelifewithhisfamilyinthebeautyofnature,and(23)isrespectedbecausehedoesagoodjobofachievingthegoalsexpectedofandacceptedbyhimandhissociety.Ontheotherhand,itseemsthat(24)somepeopleappeartoberichinmaterialpossessions,manyofthemseemtobemiserableandconsider(25)unsuccessfulwhenjudgedbytheirowngoalsofsuccess.Becausenotallventurescanbesuccessful,oneshouldnotsetunrealisticgoalsforachievingsuccess,but(26)onehasself-confidenceitwouldbeunfortunatetosetone'sgoalsattoolowalevelofachievement.Awisecounseloroncesaidtoayoungmanwho(27)(experience)frustrationwithhisownprofessionalsuccess:“Youdonothavetosetyourgoaltoreachthemooninordertohavesuccessintraveling.Sometimesone(28)beverysuccessfulmerelybytakingawalkinthepark,orridingthesubwaydowntown,”Thecounseloradded,“Youhavenotreallyfailedandspoiledyourchancesforsuccessuntilyouhavebeenunsuccessfulatsomethingyoureallylike,and(29)whichyouhavegivenyourbesteffort.”Whateveryoudefinesuccess,remember,weareborntolivetheliveswetrulywantanddeserve,butnotjustthelives(30) (settle)forus.Seven【普陀一模】ThePopularMobileLibraryAroundtheworld,themobilelibraryprojectsarebringingbooksandevenadvicetocommunitieswithseriousandurgentneeds.Everyweek,twomodifiedbluebuses(21)(stock)withchildren'sbookscarefullyrundownthestreetsofKabul.Thesetravellinglibrariesstopoffatschoolsindifferentpartsofthecity,(22)(deliver)awealthofreadingmaterialsdirectlytotheyoungsterswhohavelimitedaccesstobooks.“Alotofschoolsinourcitydon'thaveaccesstosomethingasbasicasalibrary,”saysRim,a27-year-oldOxfordUniversitygraduatewho(23)(inspire)tostartCharm,anon-profitorganization,inherhomecityhavinggrownupwithoutmanybooksherself.“Weweretryingtounderstand(24)wecoulddotopromotecriticalthinkinginourcountry.”Formanypeopleabusortrainjourneypresentsarareopportunitytogetstuckintoabook,andinsomecitiespublictransportisbeingregardedasmeansofgettingbookstocommunitiesthatneed(25)most.Thevehiclewasrebuiltnotonlytospreadthejoyofreading,butalsotoimprovepeople'slife.Comicbookswereleftontrains,busesandundergroundsystemsinthecitiesaroundtheUK(26)(early)thismonthtomark80yearsofMarvelComics.CarriagesonthetwosubwaytrainsinBeijingwereturnedintoaudiobooklibraries,wherepassengerswereabletodownloadbooks.Togivethetrainalibraryfeel,thewallsaredecoratedwithbooks,(27)coverslooklikebookshelves.PeopleintheNetherlandsgettotravelontrainsforfreeduringthecountry,sannualbookweekcelebrations.Passengerscanpresentanovel(28)arailticket.IntheGreekcityofThessaloniki,thetransportministryinstalledminilibrariesatbusstops(29)(allow)passengerstoreadastheywaitforthebus,orborrowandreadontheirjourneytobereturnedatalaterdate.PassengersonNewYork'ssubway(30)downloadfreeshortstories,poems,essaysandsoontotheirdevices.Eight【青浦一模】EatingjellyfishcouldsaveendangeredfishAccordingtotheIUCNRedList32,000speciesarethreatenedwithextinction-everythingfrombirdsandmammals.Despitenationalandinternationaleffortsbeinggatheredtoprotectthreatenedspecies,weactivelyfishformanyofthem.Forthoseofuswhoenjoytheoddfishandchips,thisisn’tgreatnews,(21)theresearchershavecomeupwithanunusualwaywecanhelpwhilestillenjoyingseafood—anditinvolveseatingjellyfish.Between2006and2014,92vulnerableorendangeredspeciesofseafoodwerebeingcaught,recorded,andsold.Whentheyaresold,itisrarethatfishandinvertebrate(无脊椎的)species(22)(require)tobelabelledaccordingtospecies,soconsumershavenowayofknowing(23)they’reeating.Theresearchteamstressesthefact(24)thisisonlyabriefviewoftherealproblem."Alotoftheseafoodcatchandimportrecordsarelistedingroupslike‘marinefish’.Herewedidn’tlookatthosevaguerecords,weonlylookedatrecords(25)theactualspecieswaslisted-sowe,vemadeahugeunderestimateoftheactualcatchofendangeredspecies.”Therearesomewaystountiethemesswe,recreatingintheworld,soceans,including(26)(expand)ourideaofseafoodtoincludejellyfish.Thatmightsoundalittleoffthetheme,butit'snotthefirsttirnescientistshavesuggested(27)asafoodsource.ItmakesalotofsensebecauseJellyfishisconsideredaminorspeciesofwildanimalsandscientistsmightthinkitsnumberisincreasingworldwide.Ofcourse,thereareotherwaystohelpkeependangeredspecies(28)themenu."Weneedtoimprovethelabellingofseafood(29)theconsumerscanhavealloftheinformationtomakeaninformedchoice,”UQconservationscientistCarissaKleintoldScienceAlert.Andtheinformedchoice,atleastinsomeplaces,is(30)(easy)thanyoumightimagine.InAustralia,wheretheresearchersarebased,there'stheSustainableSeafoodGuidetoprovidethebestchoicesforseafood.There'salsoSeafoodWatchintheUS,whichisrunbytheMontereyBayAquarium.Nine【长宁一模】Forperhapsthefirsttimeinthehistoryofmoderneducation,millionsofprimaryandsecondarystudentsmaybeginthenewschoolyearfromhome.PupilsinEnglandshouldreturntoschoolsinSeptember,butCovid-19cases21(rise),sothismaynotbepossible.Scientistsalsowarnthattherewillbemanymorecaseswhenpupilsreturntoschools.Someparentsmaychoosenottosendtheirchildrenback22theirfamily'ssafety.Teachersareworriedaboutchildrenwho23(fall)behindintheirschoolwork.Parentsandcarersarefeelinganxiousabouttheneedtobalanceworkandhomeschooling.Butanexperimentbyan18th-centuryFrenchschoolmaster,Jackboot,mayhelpthemtoworrylessabouthomeschooling.JackboothadtoteachinBelgium.HispupilsspokeonlyFlemish,andhespokeonlyFrench.Hegavehisstudentsanovel24(write)inhismothertongueandaFrenchdictionary.Heencouragedthemtoteachthemselves.Itworked.Learningdoesnotonlyhappenwhensomeoneolderputsinformationintothelearner’smind.Thinkabouthowoftenchildrenandevenadultslearnfromtrialanderror,fromlearningtorideabiketo25(use)anewtechnology.Learninghappenswhenyouaskchildrendifficultquestionsatthedinnertable,encouragethemtobuildatree-houseorfindthingsforthemselvesonWikipedia.Inthe18thcentury,whenonlythesonsofrichmengotaschooleducation,Jackbootwantedtoshow26poorchildrencouldlearn.Parentscouldteachthembyencouragingandaskingquestions.It'sthesametoday.27studentshavetherightresources28(explore)ideasforthemselves,manypeoplecan“teach”-includingcarersandparentsduringapandemic(流行病).However,somepoorerstudentswilldoworse_29theydonothaveaccesstotheInternet.Jackbootshowedthatlearningdoesnotonlyhappeninaclassroomandthathumanbeingsarelearningbeings:theyknowhardlyanythingatbirth30seekoutanddevelopincrediblecapacities.Thatshouldmakeuslessworriedaboutchildrenduringthisdifficulttimeandmorehopefulaboutourselves.Ten【金山一模】Melbourne:Solovely.So...livable.Everyyear,theEconomistIntelligenceUnit(EIU)releasesalistof140citiesandranksthemintermsoftheir“livability”.Melbourne(21)(top)thelistforthefifthyearrunning.Therankingsrate“relativecomfort”formorethan30factorsacrossfivecategories:stability,healthcare,education,infrastructure(基础设施),andcultureandenvironment.Thefinalscores(22)(calculate)asapercentagerangingfrom1(“intolerable”)toaperfectscoreof100(“ideal”).Takealookatthetop10cities,andyouwillfindthathalfof(23)areinAustraliaandNewZealand,threeinCanada,andtwoinEurope.They'reallmedium-sizecitiesinprosperouscountries,(24)relativelylowpopulationdensities.It'sanequation(平衡，制衡局面)thatleadstolowcrimeratesandafunctionalinfrastructure.Doesthatmeannon-Melbourniansshouldallpackupandmovetotheworld's(25)(livable)metropolis?Notnecessarily.(26)thetop10citiesintheEIU'srankingsmaybepleasanttolivein,they'renothighonmostpeople'slistsoftopcitiestovisit.Afterall,theyarenotcities(27)(describe)asdynamic(充满活力的).BeforeMelbourneassumedtheNo.1ranking,itwasVancouver(28)cameoutontopforalmostadecadeitsincrediblestability.“IfindMelbourneareallyboringtown,somorelivablemeansreallydull,”saidapolicemaninAustralia.“IliveinSydneybecauseit'sinteresting,notbecauseit'scomfortable.”Raisedisthequestionwhetheryouwanttoliveinalivablecityoradynamicone.BigcitieslikeTokyo,LondonandNewYorksufferintherankingsbecauseofhighercrimeratesandoverburdenedinfrastructure,(29)dragsdowntheratingofhow“comfortable”theyare.Yetthey'rehard(30)(beat)—whenitcomestorecreationalofferings,includingnightlife,cultureandentertainment.Eleven【奉贤一模】Childrenmovingfromprimarytosecondaryschoolareill-equippedtodealwiththeboomingofsocialmedia,asitisplayinganincreasinglyimportantroleintheirlives,andisexposingthemtosignificantemotionalrisks,accordingtoarecentreportbytheOfficeoftheChildren'sCommissionerforEngland.Thereportshowsthatmanychildreninyear7—thefirstyearofsecondaryschool,(21)almosteveryoneintheclasswillhaveaphoneandbeactiveonsocialmedia—feelunderpressuretobeconstantlyconnected.Theykindof(22)(worry)abouttheironlineimage,particularlywhentheystarttofollowcelebritiesonInstagramandotherplatforms.Theyarealsoupsetabout“sharenting”-whenparentspostpicturesofthemonsocialmediawithout(23)(permit)—andshowtheconcern(24) theirparentswon'tlisteniftheyaskthemtotakepicturesdown.Thereport,basedongroupinterviewswith8-to12-year-olds,showsthat(25)mostsocialmediasiteshaveanofficialagelimitof13,an(26) (estimate)75%of10-to12-year-oldswillhaveasocialmediaaccount.Somechildrenarealmostaddictedto“likes”,thereportsays.Aaron,an11-year-oldinyear7,toldresearchers,“IfIgot150likes,I'dbelike,that'sprettycool,itmeanstheylikeyou.”Somechildrendescribedfeeling(27)(confident)thanthosetheyfollowonsocialmedia.Aimee,also11,said,“(28)(compare)yourselfwiththem,youmightfeeldevaluedbecauseyou'renotverypretty.”Children'sCommissionerforEnglandAnneLongfieldiscallingonparentsandteacherstodomoretopreparechildrenfortheemotionalimpactofsocialmediaastheygetolder.“Whatachildhaslearntatprimaryschooldoesnotguaranteehecanprotect(29) fromtherisksthatsocialmediawillpresent.”

“Itmeansabiggerroleforschoolsinmakingsurechildren(30)(prepare)fortheemotionaldemandsofsocialmedia.Anditmeanssocialmediacompaniesaresupposedtoassumemoreresponsibilities.”Longfieldsaid.Twelve【嘉定一模】TastingaBiker’sLifeFormostofmylifeIknewnothingaboutmotorcycles.Ibelievedthatmotorcycleridersweretoughandleather-wearingloners.Theyseemed(21)(look)fortroubleallthetime,usingtheroarofamotorcycleenginetofrightenothersoff.Then,onawarmMayeveningoutsidemyhouse,mycousincameandshowedmehisnewmotorcycle.Neverhadarealmotorcycle(22)(present)infrontofmebyaclosefamilymember.“It'sbeautiful,isn'tit?”heasked.ButIdidn'treallyunderstandwhatIwaslookingat.Itwasn'tuntilAugust(23)Iwasabletoactuallyrideonthemotorcyclewithhim.Iprepared(24)oversizedleatherjacketformyself.(25)(fill)withnervousenergy,Iheldontightlytomycousin.Soonthebikecarriedusontothetopofthehill,(26)westoppedtowatchthesunsetoverthecitybelow.Irealizedthatwasthemostrelaxingmomentformeinmonths.Sincethen,myprejudicesaboutmotorcyclebikers(27)(start)toshift.Onthebackofamotorcycle,(28)(place)allyourtrustinsomeonetogetyousafelyhomeisawaytoremindyouofthelovetheyhaveforyou.Later,whenevermycousinwasgoneonaSaturdayride,Iwouldtryonhisleathersandlookinthemirror,wonderingifIwas(29.) abikermyself.Maybethemostimportantlesson,though,isthatyoureallycan'tjudgeamanbyhisappearance,(30)muchleatherhewears.Motorcyclebikersarenotscary,ormean,orunapproachable.They'readultswhorememberthefreedomofridingtheirfirstbicycle,andarecontinuouslyseekingtorecreatetheexperience.Thirteen【浦东一模】Sinceastronomersconfirmedthepresenceofplanetsbeyondoursolarsystem,calledexoplanets,humans(21) (wonder)howmanycouldharborlife.Now,we'reonestepcloserto(22) (find)ananswer.AccordingtotheKeplerspacetelescope,abouthalfthestarssimilarintemperature(23) ourSuncouldhavearockyplanetcapableofsupportingliquidwateronitssurface.Ourgalaxyholdsatleastan(24) (estimate)300millionofthesepotentiallyhabitableworlds,basedoneventhemostconservativeinterpretationoftheresultsinanewstudytobepublishedinTheAstronomicalJournal.Thisresearchhelpsusunderstandthepotentialfortheseplanets(25) (support)life.Thisisanessentialpartofastrobiology,thestudyoflife’soriginsandfutureinouruniverse.ThestudyisauthoredbyNASAscientists(26) workedontheKeplermissionalongsidecollaboratorsfromaroundtheworld.NASAretiredthespacetelescopein2018afteritranoutoffuel.Nineyearsofthetelescope’sobservationsrevealedthattherearebillionsofplanetsinourgalaxy--moreplanetsthanstars.(27) thisresultisfarfromafinalvalue,it’sextremelyexcitingthatwecalculatedthattheseworldsarethiscommonwithsuchhighconfidence.That’sawiderangeofdifferentstars,eachwith(28) ownparticularpropertiesimpactingwhethertherockyplanetsinitsorbitarecapableofsupportingliquidwater.Thesecomplexitiesarepartlywhyitissodifficulttocalculatehowmanypotentiallyhabitableplanetsareoutthere,especiallywhenevenour(29) (powerful)telescopescanjustbarelydetectthesesmallplanets.That’s(30) theresearchteamtookanewapproach.Fourteen【松江一模】MusicFestivalinMontrealEverySundayafternooninthePlateausection(高原地区)ofMontreal,thousandsofpeopleofallages,nationalities,andeconomicbackgroundsgatherattheJacquesCartierMonumentinMontRoyalParktoplayinstruments,singanddance.Thisweeklyjoyfuleventiscalledthe“Tam-tam”—aname(21)(refer)toanAfricandrum-andhasbecomeaninstitutionamongMontreal'sbohemians(放荡不羁的文化人).ThePlateauisoneofCanada’smostraciallyvarieddistrictswhereFrenchandEnglisharebothspoken,unliketherestofFrench-speakingMontreal.Manyartists,musicians,andwritersinhabitthisareaduetothecheaprentofapartmentsandstudios.Inthesixties,itbecameknown(22)thebohemianareaofMontreal,andthestoresbegansellingclothing,musicandbooks(23)satisfiedthetastes.MontRoyalParkis(24)manyoftheseartistsandmusicianswouldmeetinthesixtiestohavelunchorjustspendanafternoontogether.Musiciansbroughtinstruments,andeventuallyimpromptu(即兴的)performanceofjazzgotstarted,(25)(attract)poetswhorecitedtheirworkstothemusicbeingperformed.Wordgotoutaboutthesegatherings,andit