昆明市第二中学2025届高三第一次调研测试英语试卷含解析

昆明市第二中学2025届高三第一次调研测试英语试卷注意事项：1．答卷前，考生务必将自己的姓名、准考证号、考场号和座位号填写在试题卷和答题卡上。用2B铅笔将试卷类型（B）填涂在答题卡相应位置上。将条形码粘贴在答题卡右上角"条形码粘贴处"。2．作答选择题时，选出每小题答案后，用2B铅笔把答题卡上对应题目选项的答案信息点涂黑；如需改动，用橡皮擦干净后，再选涂其他答案。答案不能答在试题卷上。3．非选择题必须用黑色字迹的钢笔或签字笔作答，答案必须写在答题卡各题目指定区域内相应位置上；如需改动，先划掉原来的答案，然后再写上新答案；不准使用铅笔和涂改液。不按以上要求作答无效。4．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．—Ouch,mum!Afishbonehasstuckinmyteeth!—______,Lucy.Iamcoming.A．TakeyourtimeB．HelpyourselfC．Don’tbotherD．Takeiteasy2．TheladystandingovertheremaybefromtheUSA,_____Iguesshaslostherway.A．whom B．whoC．which D．where3．Itiswellknown_____ConfuciuswasborninthecityofQufuinShandongprovince,China.A．whether B．whereC．that D．what4．In2012,SunYangbecamethefirstChineseman_____anOlympicgoldmedalinswimming.A．winning B．towinC．havingwon D．beingwon5．Asisknowntoall,_______openingceremonyofthe16thAsianGamesheldonNovember12thinGuangzhouwas_______greatsuccess.A．/;aB．the;aC．the;/D．a;/6．—It’sreallygreattohaveacomputertostoremyphotos.—Don’tcountonittoomuch.It________breakdownandyou’dbettermakeacopyofthem.A．must B．canC．should D．will7．Ascientist’sattempttoproducetheworld’sfirstgene-editedbabies_____areimmunetoHIVhassparkedcontroversyinacademiaandthepublic.A．as B．whoC．whom D．whose8．Someexpertsthink,________genes,intelligencealsodependsonanadequatediet,agoodeducationandanicehomeenvironment.A．insteadof B．exceptforC．apartfrom D．farfrom9．Thefarmersareinbadneedofrain,buta(an)largeamountofrainfallwillcauseFloods.A．Eventually B．constantly C．gradually D．extremely10．Largequantitiesoftime______forpractisingguidedwritings.A．wasneeded B．areneeded C．needs D．isneeded11．Forthousandsofyears,poetrythefavoritetypeofliteratureformanyinChina.A．isB．hasbeenC．wasD．willbe12．WhenIsaidsomeonebroketheschoolregulations,I______you.Whydidyougetthatangry?A．don’treferto B．haven’treferredto C．wasn’treferringto D．hadn’treferredto13．I’veknownSarahfornearlytenyears.She_________oncemycustomer.A．is B．hasbeenC．was D．hadbeen14．Theteacher’svoicestillremainedcalm______shewasgettingannoyed.A．aslongasB．evenifC．asifD．nowthat15．Thiswinter,oneofthelargest______snowstormshitmanyareas.A．recording B．recordedC．beingrecorded D．torecord16．Theworldisnotalways______wewishittobe.A．that B．whichC．what D．where17．Howdiditcomeabout________aquietpersonshouldappearsowildtoday?A．whether B．that C．if D．what18．Thereareno______proposalstoreducetheroadaccidents.Wearestillseekinginspiration.A．contradictoryB．concreteC．confidentialD．controversial19．E-shopping,whenproperly_____,cansaveusalotoftimeandenergy.A．done B．doing C．todo D．isdone20．---Mysonisaddictedtocomputergames.Heishopeless，isn'the？---Yes，_____________heisdeterminedtogiveupandstartallover.A．if B．unlessC．though D．so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）TheArcticisnotasafeplacetobebyanystretchoftheimagination.Essentiallyavast,floatingblockofice,withonlyasmallareaofland,thelandscapecanbealmosttotallydifferentfromyeartoyear.Eventhemostexperiencedexplorersareluckytoreturnwithalltheirfingersandtoes,nottomentiontheirlives.IntothisextremeenvironmentsteppedNabilAlBusaidi.Infact,hedidn’tjuststep—hesteppedandskiedhiswayacross650km,pulling50kgofequipment.HealsocarriedtheflagoftheSultanateofOman,whichheheldintheairattheNorthPole,becomingthefirstArabtoachievethisimpressivefeat(壮举).OnthewaytotheNorthPole,Nabilwasdrivenbytherewardofsuccessandthepainatthethoughtoffailure.“Throughthe20-whateverdays,everyminutetherewasadifferentthingthatkeptmegoing,eitherthefearoffailure,thefearofdyingortherewardoffinishingandgettingsomewherewarm.”Theever-presentcold,averagingaround-40℃butdroppingaslowasarecorded-81℃,ishisoverriding(首要的)memoryoftheexperience.AsanOmani,Nabilhadanadditional20℃dropintemperaturetogetusedto,comparedtohisBritishteammates.Apartfromtheextremecold,polarbearswereacommonfeatureofthejourney,andNabilandtheteamhadtheirfairshareofbearencounters.“Polarbearsaredangerous,buttheyarenotthatthreateningbecausetheydon’tintendtoharmhumans.They’reusuallyeithercuriousorjustdon’tcare.Wesawfivebears,andnonewereaggressive,”saidNabil.OnefinalproblemNabilfacedwasthestressputonteamrelationsbytheseverityoftheconditions,especiallyduringthefirstthreestagesofthejourney.However,duringthefourthandfinalleg,theteamworkedsowelltogetherthattheytravelled130kminonlytwoandahalfdays.1、WhatdoesParagraph1show?A．Nabil’shard-wonsuccess. B．ThevalueofArcticexploration.C．Nabil’sgoodluck. D．ThechangeoftheArctic.2、WhichistheproblemNabilfacedonhisjourney?A．Graduallyrisingsealevel. B．Frequentpolarbearattacks.C．Constantlychangingclimate. D．Theheavypsychologicalburden.3、WhatcanweknowaboutNabil?A．HehadgoneonanArcticjourneybefore.B．HeexploredtheArcticwithprettylightpacks.C．HefinishedtheexplorationoftheArcticallalone.D．Hesufferedmorefromextremecoldthanhisteammates.4、Whatisthepassagemainlyabout?A．LifeintheArctic.B．ClimateoftheArctic.C．ThefirstArabtostepintotheArctic.D．AchievementsscientistsmadeintheArctic.22．（8分）EverydayIseeadvertisementsinthenewspapersandonthebusesclaimingthatitiseasyandquicktolearnEnglish.ThereisevenareferencetoWilliamShakespeareorCharlesDickenstoencouragelearnersevenmore.WhenIseeadvertisementslikethis,Idon’tknowwhethertolaughorcry.Butmanypeoplemustbelievetheseridiculousclaims,orelsetheadvertisementswouldnotappear.OfcourseitisclearthatstudentswhogotoEnglandtolearnEnglishhaveagreatadvantageoverothers,buttoomanycannotaffordtodoso.Somegototheoppositeextremeandthinktheycanteachthemselvesathomewithdictionaries.ButitiswrongtoassumethateachwordinEnglishhasapreciseequivalentinanotherlanguage,letaloneproducesgoodpronunciationandintonation.Mostteachingisstillbasedonbehavioristpsychology.Behavioristsarefondofmakingstudentsrepeatphrasesandmakingsentences.Ifwewereparrotsorchimpanzees,thesemethodsmightbesuccessful.Alargenumberoftheoristsseemtothinkitisapitywearen’t,becauseitwouldmakeiteasiertousetheirmethods.Inmypersonalopinion,noonecaneverlearntospeakEnglishoranyotherlanguageunlessheisinterestedinit.Humanbeings,unlikeparrotsandchimpanzees,donotlikemakingnoisesunlesstheyunderstandwhatthenoisesmeanandcanrelatethemtotheirownlives.Itisworthrememberingthatlanguageisameansofcommunication.Whattheylistentoandreadcannotbeaformula.Itmustbereal.Thereisanotherrelevantpointworthmentioninghere.Weneedotherpeopletotalktoandlistentowhenwecommunicate.Theycanworkwithusandpracticetheunfamiliarformswithusinrealsituations,talkingtoeachotheraboutreallifelanguage.1、Manypeoplebelieveadvertisementsinthenewspapersandonthebusesprobablybecause.A．theyareencouragedbyWilliamShakespeareorCharlesDickensB．theyareeagertolearnandthenbelievethemC．thewaysadvertisedcanhelpthemtosavetimeandeffortsD．thewaysadvertisedproveeffectiveandhelpful2、WhatmaybehavioristsarguetowardsEnglishlearning?A．Humanbeingsmakemoreinterestingnoisesthanparrotsandchimpanzees.B．Humanbeingsshouldrelatetheirspeechtotheirownlives.C．Languageisaformulawithlotsofrepetitionsandpractices.D．Languageisameansofcommunication.3、Whatopiniondoestheauthorhold?A．Aquickmethodthatsuitsallthestudentsdoesexist.B．Englishcanbemasteredwithinaveryshortperiodoftime.C．EachwordinEnglishhasapreciseequivalentinanotherlanguage.D．NoonecanlearnEnglishwellwithoutbeinginterestedinit.4、Whatwaysoflearningissuggestedbytheauthor?A．Studyabroad.B．Learncommunicativelyandsituationally.C．Followthebehaviorists’approach.D．Teachoneselfathomewithdictionaries.23．（8分）OxfordandCambridgehavenowdecidedtoremovethewordsCAN'TandIMPOSSIBLEfromtheirdictionary.JessicaCox,bornin1983,inArizona,istheworld’sfirstlicensedarmlesspilot.ThegirlfromTucson,ArizonagottheSportPilotcertificatelatelyandbecamethefirstpilotlicensedtoflyusingonlyherfeet.

JessicaCoxwasbornwithoutarms,butthathasonlystoppedherfromdoingonething:usingtheword"can't."CoxgraduatedfromtheUniversityofArizonain2005withabachelor’sdegreeinpsychologyandaminorincommunications.Coxhasnotusedprostheticarmssincesheturned14.Usingherfeetasmostpeopleusetheirhands,sheisable,amongotherthings,todriveanunmodifiedcarwithanunrestrictedlicense,totypeonakeyboardat25wordsperminute,andtoputinandremovehercontactlenses.JessicaCoxflewinasingleengineairplaneforthefirsttimeviaWrightFlightin2005.Coxearnedherpilot’scertificateonOctober10,2008afterthreeyearsoftrainingandisqualifiedtoflyalight-sportaircrafttoaltitudeof10,000feet.“She'sagoodpilot.She'srocksolid,”saidParrishTraweek,42,theflyinginstructoratSanManuel'sRayBlairAirport.

ParrishTraweekrunsPCAircraftMaintenanceandFlightServicesandhastrainedmanypilots,someofwhomdidn'tcomeclosetoCox'sabilities.Doctorsneverlearnedwhyshewasbornwithoutarms,butshefiguredoutearlythatshedidn'twanttouseprostheticdevices.

So,thenexttimeyouarereadytotellyourself,"Ican'tpossibly..."rememberthisamazingyoungwomanandchangeyourvocabulary.1、Whatcanwelearnfromthefirstparagraphs?A．OxfordandCambridgefeltalittledisappointed.B．Noarmlesspeoplehadgotapilotcertificatebefore.C．JessicaCoxwasn’tallowedtousetheword“can’t”.D．Theword“can’t”woulddisappearfromtheEnglishdictionary.2、WhatdoyouthinkofJessicaCox?A．Sheisacleverandbravegirl.B．Sheispositiveanddetermined.C．Sheisindeedapoorlyeducatedgirl.D．Sheonlytakesinterestinaircraft.3、Whatdoestheunderlinedword“prostheticmeaninParagraph3?A．artificialB．damagedC．unusualD．abnormal4、Aftergraduatingfromuniversity,JessicaCox_____.A．sufferedfailurewhensearchingforjobs.B．madeastarttotaketrainingtobecomeapilotC．decidedtouseherfeetasmostpeopleusehands.D．triedherbesttotakecareofherselfinherdailylife.24．（8分）Thereareabout6，500languagesspokenthroughouttheworld，butabouthalfofthemareindangerofdisappearing.Oneoftheprimarycausesdrivinglanguagelossisthatsupportforlanguagecommunitiesdrasticallyvaries.Whilesomelanguagesarerecognizedbygovernmentsandtaughtinschools，themajoritygounrecognized，unsupported，anduntaught，leavingcommunitiesill-equippedtopasstheirlanguagesontofuturegenerations.Tsakonian，a“dialect(方言)”inGreece，hasdeclinedtothepointthatonly100speakersremain.Whenalanguagedisappears，manyotherthingscangoawayaswell.Forexample，partsofacommunity’sculture，knowledgeandidentitycanalsobelost.OneorganizationseekingtosaveworldlanguagesisWikitongues，whichwasfoundedasaschoolprojectbyDanielBogreUdellin2012，whenhebeganrecordingshortoralhistoriesinNewYorktoexplorethecity’srichculturaldiversitywiththesimpleidea:tellmeaboutyourselforyourhomeinyournativelanguage.Whenhepostedthevideosonline，thechannelquicklygotwideattention.Therearecurrentlyover400languagesanddialectsrepresentedonWikitongues’channelandmorethan1，500peoplefrom70differentcountrieshaveaddedvideostoit.Butthat’sfarfromenough.TheorganizationseekstoserveasanInternetresourcetokeepasmanylanguagesaspossiblealive.Udellbelievestheycanmakeithappen.“Therearemanyexamplesoflanguagesthatdisappearedbutlaterreturnedtouse.Hebrewwentextinctinthe4thcenturyBC，andwasrevived(恢复)inthe1800s.Nowonceagain，it'sthemothertongueofhalfoftheworld’sJewishpopulation，”saidUdell.1、WhatcanbeinferredaboutTsakonianinGreece?A．It’shardtospeakandunderstand.B．Itwilldefinitelydieoutinthefuture.C．It’snotallowedtospeakinGreece.D．Itlacksrecognitionandsupport.2、Whateffectmaybebroughtbytheextinctionoflanguages?A．Harmingfuturegenerations. B．Reducingculturaldiversity.C．Preventingdailycommunication. D．Changingschoolprojects.3、What’sthepurposeofWikitongues?A．Tosupportpeopleinsavingtheirlanguages.B．Torevivelanguagesthathavedisappeared.C．Torecordenoughshortoralhistories.D．Toexploretheworld’srichcultures.4、WhatdoesUdellwanttotellusbygivingHebrewasanexampleinthelastparagraph?A．Allextinctlanguageswillbebroughtbacktolife.B．It’spossibletopreventlanguagesfromdyingout.C．MorelanguageswillbepresentedonWikitongues’channel.D．Hebrewhasbecomeoneofthemostpopularlanguagesintheworld.25．（10分）Humansmakemistakes.Evensurgeonswithyearsofexperiencearenotinfallible.Butwhatifthesedoctorscouldpooltheirknowledgeandexperiencetogetherandcreateasurgicalstandardofcare,tobecarriedoutbymachines?That'stheideabehindsurgicalrobots,whichmaysoonperformmostsurgeries,fromsewinguptinywoundstoperformingheartprocedures.Manyoftheseoperationsare,infact,alreadycompletedwiththeassistanceofrobots.Butarecenttestsuggeststhatrobotsintheoperatingroommaysoongoastepfurther,performingonsofttissuecompletelyontheirown,fromstarttofinish.TheSmartTissueAutonomousRobot（STAR）,successfullycompletedsurgeriesonpigs."We'rethefirstgrouptodevelopautonomousroboticsurgerywithsoft-tissuesurgery,andwhencomparedtostandardoperation,it'sbetter,"saysPeterKim,professorofsurgery."Theideaisnottoreplacesurgeons；itwillmakethesurgeonsbetterandmaketheproceduressafer."ArecentMayoClinicstudyfoundthatmajorsurgicalerrors-includingoperatingonthewrongsiteorsideofthebody,orevenleavingtoolsorobjectsinsidethepatient-occureveryoneoutof22,000procedures.That'srare,butrobotslikeSTARwouldaimtolowerthenumberevenfurther.InthedaVincisurgicalsystem,surgeonsplacetheirarmsinsideinstrumentsandusetheirhandstocontrolthemovementofrobotictoolsontheoperatingtablefromafar.Therobot'severymajormoveiscontrolledbysurgeons,andthusitsresultsmayvarybasedonthesurgeon'strainingorexperience.STAR,ontheotherhand,isentirelyautonomous.It'snotonlyabletoworkonitsownandperformsurgerieswithamoreflexible"hand",butit'sabletoreacttotheunexpectedincidents.Cuttingintohardtissuelikebonesisonething,butoperatingonmovingsofttissueisfarmorecomplex.STARreactstoachangingenvironment,similartohowself-drivingcarsareprogrammedtonotonlydriveonthehighway,butalsoreacttoanotherdrivermakingamistakeandgettinginyourway.1、Theunderlinedword"infallible"inParagraph1probablymeans______.A．quitesmartB．reallycreativeC．ratherresponsibleD．alwaysright2、WecanlearnfromthepassagethatSTAR______.A．canperformtheoperationonitsownB．hasbeenwidelyusedintheoperatingroomC．canmakesurgeriesmuchfasterD．willtaketheplaceofsurgeons3、InthedaVincisurgicalsystem,______.A．robotsaretrainedfromafarB．robotsalwaysmakemistakesC．surgeryresultsdependonsurgeonsD．surgeonshavetroublecontrollingrobots4、Inthelastparagraph,theauthormentionsself-drivingcarsinordertoshow______.A．howsmartanautonomousrobotcanbeB．howdifficultself-drivingonthehighwayisC．howbadgettinginanotherdriver'swaymightbeD．howdangerousoperatingonpeopleis.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，掌握其大意，然后从1-20各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。Iconsidermyselfsomethingofanexpertonapologies.Aquicktemperhas1mewithplentyofopportunitiestomakethem.Inoneofmyearliest2,mymotheristellingme,“Don’twatchthe3whenyousay‘I’msorry’.Holdyourheadupandlookthepersoninthe4,sohe’llknowyou5it.”Mymotherthusmadethekeypointofa(n)6apology:itmustbedirect.Youmustnever7tobedoingsomethingelse.Youdonot8apileofletterswhileapologizingtoaperson9inpositionafterblaming（责备）himorherforamistakethatturnedouttobeyour10Youdonotapologizetoahostess(女主人),whoseguestofhonoryoutreat11,bysendingflowersthenextdaywithoutmentioningyourbad12Oneoftheimportantthingsyoushoulddoforan13apologyisreadinessto14theresponsibility(责任)forourcarelessmistakes.Weareusedtomakingexcuses,whichleavesno15fortheotherpersonto16us.Sincemostpeopleareopen-hearted,theno-excuseapologyleavesbothpartiesfeeling17aboutthemselves.That,afterall,isthe18ofeveryapology.It19littlewhethertheapologizeriswhollyoronlypartlyatfault:answeringfor(对……负责)one’s20encouragesotherstotaketheirshareoftheblame.1、A．provided B．mixed C．compared D．treated2、A．dreams B．courses C．memories D．ideas3、A．side B．ground C．wall D．bottom4、A．mind B．soul C．face D．eye5、A．imagine B．enjoy C．mean D．regret6、A．useful B．successful C．equal D．basic7、A．pretend B．forget C．refuse D．expect8、A．holdon B．putaway C．lookthrough D．pickup9、A．poorer B．weaker C．worse D．lower10、A．fault B．reason C．result D．duty11、A．cruelly B．freely C．roughly D．foolishly12、A．manners B．excuses C．efforts D．roles13、A．active B．effective C．extra D．easy14、A．raise B．perform C．admit D．bear15、A．situation B．need C．sign D．room16、A．advise B．forgive C．warn D．blame17、A．wiser B．warmer C．better D．cleverer18、A．purpose B．method C．end D．advantage19、A．cares B．matters C．depends D．remains20、A．facts B．states C．rights D．actions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）Igotlaidoffat53fromaseniormanagementpositioninarestaurant.AndIknewitwasgoingtobehardtofindanotherjobinthe1．(competition)workingmarket.Myageputmeat2．disadvantage.ButIalsoknewitwastimeforme3．(realize)mylifelongdreamofowningarestaurant.4．wasmostdifficultwasthatinordertomakethishappen,Ineededtofindan5．(exist)caféthatwasn’tdoingwell.Itcouldn’tbebetterifitsownerwasreadytoquithisbusiness.Withgreat6．(lucky)IfoundjustwhatIwantedeightblocksfromhome.SinceIhadneverfinanciallyplannedforthisday,Ihadtoborrowmoneyfromfriendsaswellas7．(relative).I,togetherwithmywife,8．(be)readytostartoff.WechangedthenametoBlackDogCoffee,themenu,therecipesandthelookofthecafe,andmywifedidgreatjobofdesigning.Eighteenyearslater,we’restillhereanddoing9．(well)thanever.I’mgrateful10．thelayoffandtheopportunitytopursuemydream.第四部分写作（共两节）第一节短文改错（满分10分）28．（10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号（∧），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限一词;2、只允许修改10处，多者（从第11处起）不计分。DearTom,Howiseverythinggoingrecently?ThathasbeenalongtimesincewemeetinChinalasttime、Havingpassedthefinallyexams,Iambusyplanningatwo-weekstriptotheUSduringthiswinterholiday、DoyouhavesomeadvicesaboutthechoiceofAmericancities?Iprefertobigandmoderncities、IguessI’dbetterbookahotel、Whatisthepriceforsingleboylikemyself?IsiteasytofindChinesefood?WhatisthetrafficlikeafterItravelbetweencitiesintheUS?Hopetohearingfromyou、Thankyou!Bestregards!LiHua86第二节书面表达（满分25分）29．（25分）假定你是第一中学的学生李华，刚从美国参加中美学生文化交流活动回来，请代表你们学校给美方学校写一封感谢信。要点如下：1.自我介绍；2.表达感谢；3.说明活动收获；4.邀请对方来中国。注意：1.可以适当增加细节，以使行文连贯；2.词数100左右；3.开头和结尾已为你写好，不计入总词数；4.参考词汇：款待hospitality。DearSir/Madam,GreetingsfromChina!___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Yourssincerely,LiHua

参考答案第一部分（共20小题，每小题1.5分，满分30分）1、D2、B3、C4、B5、B6、B7、B8、C9、D10、B11、B12、C13、C14、B15、B16、C17、B18、B19、A20、B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、ThreeyearsagoJennySalgado,aDominicanshopassistant,movedtoHighlandtown,aneighborhoodofBaltimore.WhenshearrivedtheshopsheworksinwasoneofonlyafewSpanishbusinesses.Nowtherearemanymore.“It’sgoodnowifyouspeakSpanish,”shesmiles.Baltimorehasbeenlosingpeoplefor60years.Toaddressthis,itsformermayor,StephanieRawlings-Blake,wantedtomakeitthemostimmigrant-friendlycityintheworld.ItslibrariesprovideSpanish-languageexerciseclasses.Tohelpthosewithnopapers,thecityisintroducingmicro-loans(小额贷款）whichrequirenocreditchecks.Citypolicewouldnolongerroutinelychecktheimmigrationstatusofcitizensorenforceanyfederalimmigrationlawunlessrequiredto.Thethengovernor,MartinO'Malleymadeitpossibleforillegalimmigrantstogetdrivinglicenses.Suchwelcomingpoliciesarespreading.SuchcitiesasCleveland,DaytonandPhiladelphiaalleagerlytrytopleaseimmigrants.RickSnyder,GovernorofMichigan,hasaskedthefederalgovernmenttooffer50,000visastopeoplewhoagreetoliveinDetroit.Hisadministrationhasmadeiteasierforskilledmigrantstogetprofessionallicenses.Whenacity’spopulationfalls,bothtaxreceiptsandservicesfall.Half-desertedneighborhoodsbreed(滋生）crime,drivingyetmorepeopletoleave.Nocityhasescapedthiswithoutattractingnewresidents,saysSteveTobocmanofGlobalDetroit.Severalstudiessuggestthatwhenimmigran