云南省宜良第一中学2025届高三第六次模拟考试英语试卷含解析

云南省宜良第一中学2025届高三第六次模拟考试英语试卷考生请注意：1．答题前请将考场、试室号、座位号、考生号、姓名写在试卷密封线内，不得在试卷上作任何标记。2．第一部分选择题每小题选出答案后，需将答案写在试卷指定的括号内，第二部分非选择题答案写在试卷题目指定的位置上。3．考生必须保证答题卡的整洁。考试结束后，请将本试卷和答题卡一并交回。第一部分（共20小题，每小题1.5分，满分30分）1．Bob’slecturescoveredafairlywiderangeandIcan’tsumupwhathesaysinafewsentences.A．covered B．conveyed C．considered D．commanded2．IbrokemyrelationshipwithPeterbecausehealwaysfound_______withme.A．errorB．failureC．mistakeD．fault3．I________________afluwhenIwasonaspringoutingwithmyclassmate.A．caughtup B．pickedupC．tookup D．broughtup4．－prlfessor,doyouhavesomethingatthismoment?－No,thanks.I'llcallyouifthereisany.A．typing B．typed C．totype D．tobetyped5．Thedrivercouldhavesurvivedbuthetheseatbelt.A．hadbeenwearing B．hadn'tworn C．wasn’twearing D．didn'twear6．ThatWasthefirsttimeshealoneathomeduringtheweekends，boredtodeath．A．hasleftB．hasbeenleftC．hadleftD．hadbeenleft7．Themapletreesturnabrilliantredinautumn,addinganothertothecolorsintheharvestseason.A．theme B．versionC．category D．dimension8．—WherewasI?—You________youdidn’tlikeyourjob.A．hadsaidB．saidC．weresayingD．hassaid9．Wherehaveyoubeen?—I_______intheheavytraffic.OtherwiseI_______hereearlier.A．havegotstuck;wouldhavecome B．gotstuck;wasC．gotstuck;wouldhavecome D．hadstuck;wouldcome10．Totellthetruth,IwouldratherI________thepaininsteadofyou.Youdon’tknowhowworriedIwas.A．took B．hadtakenC．havetaken D．shouldhavetaken11．Itisnotsurprisingthatshewaselected______monitor;sheis______verysmartgirlwhohastheabilitytoorganizetheclasswell.A．/;the B．/;aC．a;a D．the;/12．It’ssecondtimeinfivedaysthathehasaskedmeforhigherpay.A．不填；a B．a;the C．the；a D．the；the13．______caughtintherainunexpectedly,westillenjoyedthejourneyverymuch.A．When B．AsC．Unless D．Although14．Witheconomyincreasingsteadily,people______enjoyalifeofhigherquality.A．should B．can C．may D．must15．Everyoneinthevillagehopedthathewould______afterafewdays’treatment.A．pickup B．comeup C．keepup D．makeup16．Igotmore_____abouthimfromreadinghisbooksthanfromtalkingtohim.A．insights B．memoriesC．resources D．experiences17．Friendshipcanneverbeatrade;______,itneedsthemostthoroughandunprofitableconcept.A．inaddition B．bycontrast C．inreturn D．bychance18．—Jack,myplanearrivesat8:30pmwhen,Isuppose,you______dinner.—ButIcanwait.A．willhave B．havehadC．willhavehad D．arehaving19．—What’stherecentprogressinXiong’anNewArea,firstannouncedtwoyearsago?—It_____increasingattentionfromforeigncompaniesgivenitshugedevelopmentpotential.A．hasbeenattracting B．hadattracted C．wouldbeattracting D．wasattracting20．—Didyouwatchthebasketballmatchyesterday?—Yes，Idid.Youknow，mybrother________inthematch.A．isplayingB．wasplayingC．hasplayedD．hadplayed第二部分阅读理解（满分40分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。21．（6分）LagoonBar,IcelandBlueLagooninIcelandistrulytheplacewhereyoucangetridofalltroubles.Herethewarmthofhotspringsgetsyouclosetonature.Awonderfulbarisopenedamongthehotsprings.Whileyou’resittinginthehotwater,waitressesbringyouarangeofcocktails.Whattoorder:cocktail“BlueLagoon”andwhitewine.BaobabTreeBarWineCellar,SouthAfricaInthehollow(洞)ofahuge6,000-year-oldbaobabtreeyoucannotonlydrinkacocktail,butalsorestfromtheheatofLimpopoProvince.OncethissafeheavenwasknownonlytotheBushmen,butnowthisancienttreeisthetouristdestinationforallkindsoftourists.Whattoorder:anythinginaglass.TheBirdsvilleHotelandPub,AustraliaAttheedgeoftheSimpsonDesert,amongthesanddunes(沙丘),whicharethefavoritespotforthemice,thereisahotelandapub.Thewallsofthisbararedecoratedwitholdhatsandpostersofbeer,theoldestofwhichdatesfrom1884.Mostvisitorsofthisbuildingaretheamateursofracing.TheycometothisvillagefortheSeptembercompetition.However,thepubisnotemptyalsoonothermonths:theairstrip(飞机跑道)islocatednearby,sothosewhogetofftheplanearegoingtohaveaglassortwoofbeerfirst.Whattoorder:apintofbeer.Floyd’sPelicanBar,JamaicaItappearsthatthesehugepalmleavesandtrunksfellintotheoceanlongtimeago.Theyfloatedonthewavesandthenpiledupyearbyyear,stickingoutoftheocean.That’sprobablyhowthePelicanBar,locatedaboutamilefromthesouthwestcoastofJamaica,isbuilton.Someofitsvisitorshavenoroomtobefittedinsidethebar,andtheyjustdrinkstandinginwaist-deepwater.Whattoorder:cocktail“PelicanPerfection”.1、WhatcanavisitororderinLagoonBar?A．Redwine.B．Anything.C．Beer.D．Whitewine.2、WhatcanweinferabouttheBirdsvilleHotelandPub?A．Itwasopenedin1884.B．Itisthefavoritespotforthemice.C．ItisbusyinSeptembereveryyear.D．ItislocatedinthecenteroftheSimpsonDesert.3、WhatisFloyd’sPelicanBarbuilton?A．Oldhats.B．Sanddunes.C．Anancientbaobabtree.D．Palmleavesandtrunks.22．（8分）Everybabybornadecadefromnowwillhaveitsgeneticcode(基因编码)mappedatbirth,theheadoftheworlds’leadinggenomesequencing(基因图谱)companyhaspredicted.AcompleteDNAread–outforeverynewbornwillbetechnicallypossibleandaffordableinlessthanfiveyears,promisingarevolutioninhealthcare,saysJayFlatley,thechiefexecutiveofIllumina.Onlysocialandlegalproblemsarelikelytodelaytheageof“genomesequences,”orgeneticprofiles.By2019itwillhavebecomeroutinetomapinfants’geneswhentheyareborn,DrFlatlytoldTheTimes.Thiswillopenanewapproachtomedicine,bywhichconditionssuchashighbloodpressureandheartdiseasecanbepredictedandpreventedanddrugsusedmoresafelyandeffectively.Ababy’sgenomecanbediscoveredatbirthbyabloodtest.Byexaminingaperson’sgenome,itispossibletoidentifyraisedrisksofdevelopingdiseasessuchascancers.Thoseathighriskcanthenhescreenedmoreregularly,orgivendrugsordietaryadvicetolowertheirchancesofbecomingill.Personalgenomescouldalsoheusedtoensurethatpatientsgetthemedicinethatismostlikelytoworkforthemandleastlikelytohaveside–effects.Thedevelopment,however,willraiselegalconcernsaboutprivacyandaccesstoindividuals’geneticrecords.“Badthingscanbedonewiththegenome.Itcouldpredictsomethingaboutsomeone–andyoucouldpossiblyhandtheinformationtotheiremployerortheirinsurancecompany.”saidDrFlatley.“Peoplehavetorecognizethatthishorseisoutofthebarn,andthatyourgenomeprobablycan’tbeprotected,becauseeverywhereyougoyouleaveyourgenomebehind.Completegeneticprivacy,however,isunlikelytobepossible”,headded.Asthebenefitsbecomeclearer,however,hebelievesthatmostpeoplewillwanttheirgenomesreadandinterpreted.Theriskisnothingcomparedwiththegain.1、Inthefirsttwoparagraphs,theauthormainlywantstotellusabout______.A．thesignificantprogressinmedicineB．thepromiseofaleadingcompanyC．theinformationofbabies’genesD．theresearchofmedicalscientists2、Whichofthefollowingisaproblemcausedbythisapproach?A．ThedelayingindiscoveringDNA．B．Theriskofdevelopingdiseasesatbirth.C．Theside–effectsofmedicineonpatients.D．Thelettingoutofpersonalgeneticinformation.3、Whatdoestheunderlinedsentence“…thishorseisoutofthebarn”mean?A．Geneticmappingtechniquehasbeenwidelyused.B．Geneticmappingtechniqueistoohorribletocontrol.C．Peopleareeagertoimprovegeneticmappingtechnique.D．peoplecan’tstopgeneticmappingtechniqueadvancing.4、What’sDrFlatley’sattitudetowardsthetechnology?A．Tolerant.B．Conservative.C．Positive.D．Doubtful.23．（8分）HappyBirthdaytoMe(andMyMom)Forty-threeyearsagomymotherwentintolabourforthesecondtime.ItwaseitherverylateNewYear’sDayorveryearlyontheseconddayof1969dependingonhowyoulookedatitbuteitherway,itwasafullweekpastherduedatewhenmymomwokeupknowingitwastimetowakemydadup,getdressed,packupthecarandheadtothehospital.Herregulardoctorwasonvacationandwhentheyreachedthehospitaltheyplannedtodeliverinweretoldthatthedoctorwasonhiswaytoanotherhospitalsotheyshouldheadthere,inaneighbouringcity.MostsurprisingtomenowisthatshefeltwellenoughtoattendaNewYear’spartythepreviousnightandstayedlongenoughtotoastinthenewyear!MymomandherfamilyhadimmigratedtotheUnitedStatesjusttwentyyearsearlierfromElSalvador.Andthatwasaluckythingforme.NotonlydidmymomgainaccesstoabettereducationandcareeroptionshereintheUSforherself,eachofherthreedaughterswouldalsoenjoyheraccesstoqualitymaternity(孕产妇的)care.WhiletheUSishardlytheworldleaderinmaternalhealthorbirthoutcomes,thesedaysawomanfacesa1in2,100riskofdyingduringherlifeandinElSalvador,it’s1in350-6timesworse.In1969,thatdifferencewasevengreater.However,IwaspregnantwithmysecondchildinElSalvadorsixyearsagowhenIrealizedhowverydifferentmylifemighthaveturnedoutifI’dlivedtherewhenIdeliveredmyfirstchild.ItravelleddowntherewithCARE,thehumanitarianrelieforganization,whoseeffortsmymomhadlongsupported,toseesomeoftheirprincipalprogrammesinaction.Amongthemwasoneinparticularthatremainswithmetoday.Itwasawaterprojectwherepregnantwomen,manyofwhomhadwalkedmilestoaccessthiscleanwater,receivesomebasiccarebeforeorafterchildbirth.Herethesewomenwere,facingtheexactsamephysicalchallengesasmebutstillcarryingthefullworkloadofthefamilyandwithlittletonoresourcesforinformation,care,transportationorcomfortduringoraftertheirpregnancies.Bythistime,Iwasalltooawareofwhatachallengechildbirthcouldbe.Afterdeliveringmydaughterin2003,Isurvivedahemorrhage(大出血),theleadingchildbirth-relatedcomplicationthattakesthelivesofthousandsofothermothersallovertheworld.Onegirlorwomandiesevery90secondsinpregnancyorchildbirthfromwhatisinmostcasesapreventabledeath.IwasasshockedasyouarewhenIdiscoveredthisfactbutIwasalsograteful.GratefulbecauseIhadbeeninthecareofateamofhealthworkerswhenIneededthemmost.Ithoughtofmymother’slife.WhileshehadbeenborninagoodhospitalinSanSalvadorinthe1930’s,atthattimepregnancy-relateddeathswerecommonevenintheUS.Mygreatgrandmotheralsohemorrhaged,onlyafterdeliveringherfifthchildandshedied.Herhusband,mymom’sgrandfatherwasaphysicianatthetime.Hewouldgiveuppractisingmedicineforeverwhenhecouldn’tsaveher.Butitwasn’tonlymymomandherfamilythatIthoughtofasIconsideredmyownfateandgoodfortune,itwasallthosewomenI’dspentthedaywithintheruralcommunityI’dvisitedwithCARE.We’dmadeaconnectionthatday,wemothers,aswomen.Thesewomendidnothaveaccesstothesimpleinterventions(介入)thatcouldinsuretheirsurvivalandthat’swhatconcernedme.Itdidmorethanconcernme,itwokemeupandbeggedthisquestion,whyshouldanyonelifebeofdifferentvaluethananyother?Andso,ImadethecommitmentrightthereandthentodoallIcouldtoimprovematernalhealthandreducethenumberofmaternaldeathsaroundtheglobe.1、Theunderlinedphrase“wentintolabour”inParagraph1means“________”.A．sufferedfromadiseaseB．gavebirthtoababyC．tookupanofferofworkD．tidiedupthehouse2、Accordingtothepassage,thewriterfeltfortunateenough________.A．toenjoythebestmaternitycareintheworldB．toattendbetterschoolsintheUnitedStatesC．toliveinadevelopedcountrypermanentlyD．tohaveabettersenseofmaternalsecurity3、Whenshereturnedtohermotherlandsixyearsago,thewriter________.A．regrettednotdeliveringherfirstchildthereB．wasverysurprisedatthegreatchangesthereC．offeredspecialcaretowomeninneedthereD．researchedintothemedicalconditionsthere4、Thewriterrealizedthevitalimportanceofmaternitycare________A．throughherownexperienceB．withthehelpofhealthworkersC．duringherstayinElSalvadorD．uponthedeathofsomewomen5、Thewriterisobviouslydeterminedto________.A．beaphysiciandifferentfromhergreatgrandfatherB．changethesituationinthefieldofmaternalhealthC．requestmorepeopletocareaboutmaternitycareD．volunteercareduringorafterwomen’spregnancies6、Whatconclusiondoesthepassageleadyouto?A．Pregnancy-relateddeathscanhardlybekeptfromhappening.B．Birthanddeathwenthandinhandwitheachotherveryoften.C．Physiciansfailedtosavepatientsfromvariouscurablediseases.D．Womenwouldratherhavenochildrenfortearofahemorrhage.24．（8分）Ifhumanspumpenoughcarbondioxide(CO2)intotheatmosphere,thestratocumulusclouds(层积云)coulddisappear,andtheearth'stemperaturecouldclimbsharplytoheightsnotpredictedincurrentclimatemodels.Itwouldburntheplanet.That'stheconclusionofapaperpublishedinthejournalNatureGeoscienceanddescribedindetailbyNatalieWolchoverforQuantaMagazine.AsWolchoverexplained,cloudshavelongbeenoneofthegreatuncertaintiesofclimatemodels.Computermodelsthateasilycapturethecomplexityanddetailofmostclimatesystemsjustaren'tpowerfulenoughtopredictworldwidechangesincloudbehavior.Butcloudsareimportant.Theyreflectsunlightawayfromtheearth'ssurface.Andstratocumuluscloudsarethosewhiteblanketsyoumighthaveseenasyoulookedoutthewindowofarmairplane,rollingoutbelowyouandhidingthegroundResearcherssuspectthatcertainsudden,pastjumpsintemperaturemayhavebeencausedbychangestocloudslikethese.Forthenewresearch,scientistsmodeledjustasmallpatchofskyusingasupercomputer.Theyfoundthatifcarbondioxidelevelsreachabout1,200partspermillion(ppm)intheatmosphere,stratocumuluscloudsbreakup.That'saveryhighcarbondioxideconcentration.Rightnow,levelshaveclimbedpast410ppm--adangerouschangefrom280ppmbeforetheIndustrialRevolution.ButhumansputmoreandmoreCO2intotheatmosphereeveryyear.Ifcurrenttrendscontinue,theearthcouldreach1,200ppmwithin100to150years.Thiscouldhappenifoursocietydoesn'tfollowthroughonanyofitscommitmentstoreduceemissions(排放),Wolchoverreported.Andevenifitdoes,theresultwouldbeanother8degreesCelsiusofheataddedtotheglobalaverage,ontopofthedangerouschangesalreadyunderwayduetogreenhousegases.That’sanenormouschange,anditgoesbeyondpredictionsofworldwideicemeltandcatastrophicsealevelrise.And,oncethestratocumuluscloudsaregone,Wolchoverreported,theylikelywouldn'treappearuntilatmosphericcarbondioxidelevelsdroppedbelowwheretheyarecurrently.There'sstillsomeuncertaintyinthedata.The1,200ppmfigurecouldchangeasscientistslookintotheissuefurther.1、Whatcanwelearnfromparagraph2?A．Mostclimatesystemsarenotcomplex.B．Cloudbehaviorisuncertainandhardtopredict.C．Temperaturechangesaffectthestratocumulusclouds.D．Thestratocumuluscloudsprotectplanesfromsunlight.2、Howdidthescientistsstudycloudsinthenewresearch?A．Bymeasuringthesealevel.B．Byexperimentinginanaturalstate.C．Bycomparingclimatemodels.D．Bycomputermodelingandanalyzing.3、Whatdoes"it"refertoinparagraph4?A．Theatmosphere.B．Theearth.C．Oursociety.D．Theresult.4、WhichofthefollowingstatementswouldWolchovermostprobablyagreewith?A．TheeffectsofCO2emissionshavebeenfullyassessed.B．Thestratocumuluscloudswon'treturniftheyaregone.C．Thebreakupofstratocumuluscloudscouldresultincatastrophes.D．OnceCO2levelreaches1,200ppm,stratocumuluscloudswillgoextinct.25．（10分）Whileweatherforecasterscanmakefairlyaccuratepredictions,there'salwaystheriskyou'llbecaughtoutwhiledrivingintherain.ButthedaysofhavingtoquicklycloseyoursunroofcouldsoonbeathingofthepastthankstoJaguarLandRovefslatesttechnology.Thefirmisdevelopingcarsthatcanadaptautomaticallybyclosingwindowsandroofsorstartingtheheateriftheydetectbadweatherisontheway.Theweatherforecastingsystemusesasetofairpressure,humidity（湿度）andlightsensors（传感器）tohelpitsvehiclespredictchangesinconditionsandadapttothem.Carsequippedwiththesystemcouldmakeslightchangestotheairconditioningifitfindstheweatherisgettingwarmerduringajourneyorincreasethecabintemperatureifitwillgetcolder.Theforecastmayindicatethereisapossibilityofoneormoreweatherconditions,suchasrain,withinaperiodoftime,suchasfiveminutes.Thevehiclemaythenadapttothelocalweatherconditions.Inparticular,itmaycloseoneormorewindows,orclosearoofofthevehicleinresponsetoaforecastbeingasignofrain.Similarlywindowscouldbedarkenedusingelectrochromic(电致变色的)glasstoimprovevisibilityifbrightsunshineisforecast.Althoughitsunclearwhetherthistechnologywillmakeitswaytoaproductionvehicleanytimesoon,suchasystemwouldbeadvantageousonautonomousvehicles.Sincethere'snohumandriverpresent,thesystemwillallowthevehicletomakeitcomfortableforitspassengers,basedoncurrentweatherconditions.Itcanalsomakethevehiclesaferifitknowsrainorsnowiscoming.1、HowwillJaguarLandRovefslatesttechnologybenefitdrivers?A．Vehiclescanautomaticallydrivethemselves.B．Vehiclescanfindpositionsandroutesthemselves,C．Vehiclescanactasmobileweatherforecastingstations.D．Vehiclescanopenwindowsandsunroofsautomatically.2、Whatisthefeatureoftheglassofavehiclewiththenewtechnology?A．Itcanhelpadjustthetemperature.B．Itcanstillbeclearinrainydays.C．Itistoostrongtobreakintopieces.D．Itscolourcanchangewiththesunshine.3、Whatcanweknowabouttheweatherforecastingsystemfromthetext?A．Itisintelligentenoughtostopraining.B．Itmakesthedrivermorecomfortable.C．Itcan'tpredicttheweatheraccurately.D．Itmakesautonomouscarssaferinbadweather.4、Wheremightthetextbetakenfrom?A．Abookreview. B．Asciencereport.C．Asciencefiction. D．Atravelbrochure.第三部分语言知识运用（共两节）第一节（每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项．26．（30分）阅读下面短文，从短文后各题所给的四个选项（A,B,C,D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。Rolling,darkcloudscoveredmuchofthesky.Thewarmwindsuddenlybecamecoldandpickedupwildly,sendingsomedeadleavesflying________acrossthesky.Afewdropsofrainmixedwithicebegantofall,thenintoheavy________.Doug,myolderbrother,andIfirstrodethebustoabusstop.Thenwe________offandbeganourlongwalkhome.Thewindwas________thesnowarounduslikeahugeblanket,makingit________toseeclearly.Theonlysoundsweheardwerethe1ofthewindaswellasthecrunchofourfootstepsonthesnow.Slowlybut________,mybrotherandIwere________todeath.Lookingtomyleft,Isawapinetreeandsquatteddown.“Whatareyoudoinghere,Bud?Comeon!”saidDoug,“There’sno________behindthislittletree.Ifweresthere,wewilldiefromthefreeze.”“Yougoon,andI’ll________soon.”Ireplied.Dougwas________foramoment.Thenhespoke,“Bud,doyourememberthefourpinetreesatthesideoftheroad?________wegetthere,wecanrestawhileandgetwarm.Youjuststickyourhanddownthebackofmy________,keepyourheaddownandholdon.”Aswestruggledthroughthesnow,myhand________frommybrother’sbeltandIfelltomyknees.“Wherearethetrees?”Isaid,asthesnow________uparoundmelikeafeatherbed.Onceagain,Dougpulledmetomyfeet.“Justafewmore________andwe’llbehomeandwarm,”hesaid.Asthedarknessclosedaroundus,weapproachedhome,________.Ionlyheardaworriedshoutingnotinthedistance.Thensomeonetookmyhandand________meintoawarm,brightlight.AndthenIsurvived.Now,Istillthinkaboutthelessonlearnedfromourwinter________story:Never________,nomatterwhatwillhappen.1、A．slowly B．gently C．peacefully D．fiercely2、A．snow B．storm C．smog D．fog3、A．came B．broke C．showed D．got4、A．melting B．rolling C．polluting D．clearing5、A．difficult B．simple C．available D．likely6、A．call B．shout C．tone D．whistle7、A．surely B．carefully C．secretly D．hardly8、A．scaring B．freezing C．fighting D．starving9、A．attraction B．recreation C．protection D．radiation10、A．catchup B．fallbehind C．lookon D．hangaround11、A．brave B．silent C．proud D．confident12、A．Before B．Unless C．Although D．When13、A．dress B．boot C．belt D．coat14、A．slipped B．broke C．separated D．shook15、A．went B．cleared C．mixed D．folded16、A．stops B．steps C．miles D．blocks17、A．discouraged B．dynamic C．unconscious D．enthusiastic18、A．persuaded B．followed C．forced D．pulled19、A．survival B．travel C．exploration D．research20、A．holdon B．tookoff C．giveup D．setaside第二节（每小题1.5分，满分15分）阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。27．（15分）Foodisoneofthemostbasicandimportantdailyneeds.Itgivesusthestrengthandenergyweneed1．(work)andplay.Foodalsoplaysaroleinoursocialinteractions.Whetherwe2．(celebrate)importantoccasionsorjustrelaxingwithfriends,eatingisanimportantsocialpastime.Itisalsoanimportantpartofourculture.3．aparticularpeopleliketoeatcantellusalot4．acountry’sgeography,historyandtraditions.第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）下面短文中有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏词符号（∧），并在其下面写出该加的词。删除：把多余的词用斜线（＼）划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1、每处错误及其修改均仅限一词；2．只允许修改10处，多者（从第11处起）不计分。Acenturybefore,abirdcalledthepassengerpigeonlivedinNorthAmerica、Thereweresomanypassengerpigeonswhenpeopleoftensawthousands,evenmillionsofbirdsflyingoverhead、Therefore,thereisnotasingleonelefttoday、Whathappened?Howdidallpassengerpigeonsdisappearfromtheearthentire?Thepassengerpigeonsbecomeextinctfortworeason、First,theforeststhatitl