2026年新课标I卷高考英语推理判断题含解析

2026年新课标I卷高考英语推理判断题含解析考试时间：______分钟总分：______分姓名：______模拟试卷第一部分阅读理解PassageOneTheconceptofa"digitalnomad"hasgainedsignificanttractioninrecentyears,fueledbyadvancementsintechnologyandagrowingdesireamongworkersforflexibility.Adigitalnomadisessentiallysomeonewhousestechnologytoperformtheirworkremotely,oftenwhiletravelingorlivingindifferentlocationsaroundtheworld.Thislifestyleoffersnumerousadvantages,includingtheabilitytoworkfromanywherewithaninternetconnection,potentialcostsavingsbylivingincheaperlocations,andtheopportunitytoexperiencenewculturesandenvironments.However,thelifeofadigitalnomadisnotwithoutitschallenges.Oneoftheprimarydifficultiesistheneedforareliableandconsistentinternetconnection,whichcanbedifficulttofindinsomeremoteordevelopingareas.Additionally,digitalnomadsoftenfaceissuesrelatedtoisolationandloneliness,astheymayspendlongperiodsoftimeawayfromfamilyandfriends.Anothersignificantchallengeismanagingfinances,asmaintainingastableincomewhiletravelingcanbeunpredictable.Furthermore,thelackofafixedaddresscancomplicatethingslikesettinguplong-termcontractsordealingwithlegalrequirementsindifferentcountries.Despitethesechallenges,thedigitalnomadlifestyleappealstoawiderangeofpeople,fromfreelancewritersanddeveloperstoentrepreneursandmarketers.Theflexibilitytoworkfromanywhereoffersaleveloffreedomthatishighlyvaluedintoday'sfast-pacedworld.Asremoteworkcontinuestobecomemoreacceptedandtechnologycontinuestoimprove,itislikelythatthedigitalnomadlifestylewillbecomeevenmorepopularinthefuture.1.Whatisthemainideaofthepassage?A.Thelifestyleofadigitalnomadisidealforeveryone.B.Theconceptofadigitalnomadincludespeoplewhoworkremotely.C.Technologyhasmadeiteasierforpeopletotravelwhileworking.D.Thebenefitsofbeingadigitalnomadoutweighthechallenges.2.Accordingtothepassage,whatisoneofthemainadvantagesofbeingadigitalnomad?A.Itallowspeopletoavoidtaxes.B.Itprovidesflexibilityinworklocation.C.Itguaranteeshighersalaries.D.Ithelpspeoplespeakmultiplelanguages.3.Theword"traction"inthefirstparagraphisclosestinmeaningto:A.ImportanceB.PopularityC.DifficultyD.Speed4.Whatisamajorchallengementionedinthepassagefordigitalnomads?A.Findingaffordableplacestolive.B.Dealingwithunstableinternetconnections.C.Maintainingsocialrelationships.D.Gettingvisasfordifferentcountries.5.Theauthorimpliesthat:A.Digitalnomadsdonotfaceanysignificantproblems.B.Thepopularityofdigitalnomadismwilldecreaseinthefuture.C.Thefreedomofferedbythelifestyleisitsbiggestdraw.D.Technologywilleventuallysolveallissuesrelatedtoremotework.6.WhichofthefollowingisNOTmentionedasachallengefordigitalnomads?A.Financialinstability.B.Healthinsuranceissues.C.Lackofsocialconnection.D.Findingreliableaccommodation.7.Thepassagesuggeststhat:A.Allremoteworkersaredigitalnomads.B.Digitalnomadsareonlysuitableforcertainprofessions.C.Thedigitalnomadlifestyleisbecomingmoreaccepted.D.Internetconnectivityisthemostimportantfactorforremotework.PassageTwoInrecentdecades,thefieldofartificialintelligence(AI)hasseenremarkableadvancements,transformingvariousaspectsofsocietyandtheeconomy.AItechnologies,suchasmachinelearningandnaturallanguageprocessing,arebeingintegratedintoawiderangeofapplications,fromvirtualassistantsandrecommendationsystemstoautonomousvehiclesandmedicaldiagnosistools.Thesedevelopmentshavethepotentialtosignificantlyimproveefficiency,productivity,andqualityoflife.However,therapidgrowthofAIalsoraisesimportantethicalandsocietalconcerns.Onemajorissueisthepotentialforjobdisplacement,asAIsystemscanautomatetasksthatwerepreviouslyperformedbyhumans.Thiscouldleadtounemploymentincertainsectorsandrequireworkerstoadapttonewrolesorskills.Anotherconcernistheissueofbiasandfairness.AIsystemsareonlyasunbiasedasthedatatheyaretrainedon,andifthatdatareflectsexistingsocietalbiases,theAImayperpetuateorevenamplifythem.Thisisparticularlyproblematicinareassuchashiring,loanapplications,andcriminaljustice.Furthermore,thereareconcernsabouttheprivacyandsecurityofdatausedtotrainandoperateAIsystems.Thecollectionandanalysisoflargeamountsofpersonaldataraisequestionsaboutindividualprivacyandthepotentialformisuse.Thereisalsotheissueofaccountability,asitcanbedifficulttodeterminewhoisresponsiblewhenanAIsystemmakesanerrororcausesharm.Despitethesechallenges,thepotentialbenefitsofAIareundeniable.ThecontinueddevelopmentandresponsibleimplementationofAItechnologiescanleadtosignificantadvancementsinscience,medicine,andotherfields.Itiscrucial,therefore,thateffortsaremadetoaddresstheethicalandsocietalconcernsassociatedwithAI,ensuringthatitsdevelopmentandusebenefithumanityasawhole.Thisinvolvescollaborationbetweenresearchers,policymakers,andthepublictoestablishguidelinesandregulationsthatpromoteresponsibleAIdevelopmentanddeployment.8.Whatistheprimarypurposeofthepassage?A.ToargueagainsttheuseofAItechnology.B.TodescribethepotentialbenefitsandchallengesofAI.C.ToexplainhowAItechnologieswork.D.TopromotethedevelopmentofAIinspecificindustries.9.Theword"integration"inthefirstparagraphisclosestinmeaningto:A.ConnectionB.ImprovementC.SeparationD.Development10.Accordingtothepassage,whatisoneofthemajorchallengesrelatedtoAI?A.ThehighcostofdevelopingAIsystems.B.Thepotentialforjobdisplacement.C.ThedifficultyofprogrammingAI.D.ThelimitedapplicationsofAI.11.Thepassagesuggeststhat:A.AItechnologiesarealreadyperfectanddonotneedanyimprovement.B.TheethicalconcernsofAIareexaggeratedbysomepeople.C.ThedevelopmentofAIshouldbesloweddownduetopotentialrisks.D.AddressingtheethicalconcernsofAIisessentialforitsresponsibleuse.12.WhichofthefollowingisNOTmentionedasapotentialconcernrelatedtoAI?A.Impactonemployment.B.Privacyofpersonaldata.C.ThespeedofAIdevelopment.D.BiasinAIsystems.13.Theauthorimpliesthat:A.AIwilleventuallyreplaceallhumanjobs.B.SocietyisnotreadyfortheadvancementsinAI.C.CollaborationisnecessarytomanagetheimpactofAI.D.ThebenefitsofAIoutweighitsethicalchallengesautomatically.PassageThreeSustainableagricultureisacrucialapproachtoensuringfoodsecurityandenvironmentalhealthinthefaceofglobalpopulationgrowthandclimatechange.Itfocusesonproducingfoodinawaythatisenvironmentallyfriendly,economicallyviable,andsociallyresponsible.Thisinvolvesusingresourcesefficiently,minimizingwaste,andprotectingnaturalecosystems.Sustainableagriculturepracticesincludecroprotation,organicfarming,integratedpestmanagement,andtheuseofdrought-resistantcrops.Oneofthekeygoalsofsustainableagricultureistoreducetheenvironmentalimpactoffarming.Conventionalagricultureoftenreliesheavilyonsyntheticfertilizersandpesticides,whichcanpollutewaterways,harmbeneficialinsects,anddegradesoilquality.Sustainableagricultureseekstominimizetheuseofthesechemicalsbyemployingnaturalalternativesandpromotingpracticesthatbuildsoilhealth.Forexample,croprotationhelpstopreventsoildepletionbyalternatingcropsthatusedifferentnutrients.Organicfarmingavoidssyntheticinputsaltogether,relyinginsteadonnaturalfertilizersandbiologicalpestcontrol.Anotherimportantaspectofsustainableagricultureiseconomicviability.Farmerswhoadoptsustainablepracticescanoftenreducetheirinputcosts,suchasfertilizersandpesticides,whilealsopotentiallyincreasingtheiryieldsthroughimprovedsoilhealthandresilience.Thiscanleadtogreaterprofitabilityandeconomicstabilityforfarmers.Additionally,sustainableagriculturecancreatenewmarketopportunities,suchasthegrowingdemandfororganicandlocallygrownfoods.Socialresponsibilityisalsoacoreprincipleofsustainableagriculture.Thisinvolvesensuringthatfarmingpracticesareequitableandbeneficialforlocalcommunities.Itincludesprovidingfairwagesforfarmworkers,supportinglocaleconomiesbysellingproducewithinthecommunity,andrespectingculturaltraditionsrelatedtoagriculture.Sustainableagriculturealsoaimstopreserveagriculturalheritageandknowledge,passingdowntraditionalfarmingtechniquestofuturegenerations.14.Whatisthemainideaofthepassage?A.Sustainableagricultureismoreexpensivethanconventionalfarming.B.Sustainableagricultureisanimportantapproachtofoodproduction.C.Farmersshouldonlygroworganiccrops.D.Conventionalagriculturehasnoenvironmentalimpact.15.Accordingtothepassage,whatisoneofthebenefitsofsustainableagriculture?A.Itincreasestheneedforsyntheticfertilizers.B.Ithelpstoprotecttheenvironment.C.Itreducesthevarietyofcropsgrown.D.Itrequiresmorefarmworkers.16.Theword"viability"inthesecondparagraphisclosestinmeaningto:A.SuccessB.CostC.DifficultyD.Size17.Thepassagesuggeststhat:A.Sustainableagricultureisonlysuitableforlargefarms.B.Farmerswhoadoptsustainablepracticesalwaysmakemoremoney.C.Sustainableagricultureconsidersthewell-beingofcommunities.D.Theuseofpesticidesisnecessaryforhighcropyields.18.WhichofthefollowingisNOTmentionedasasustainableagriculturepractice?A.Usingdrought-resistantcrops.B.Applyingsyntheticfertilizers.C.Practicingcroprotation.D.Usingnaturalpestcontrolmethods.19.Theauthorimpliesthat:A.Conventionalagricultureiscompletelyunsustainable.B.Sustainableagricultureistheonlywaytosolvefoodsecurityissues.C.Environmentalandeconomicgoalsinagriculturecanbebalanced.D.Farmersshouldignoresocialconsiderationsinfavorofprofit.PartBPassageFourTheancientcityofPetra,locatedinpresent-dayJordan,isaremarkableexampleofarchitecturalingenuityandculturalheritage.Carveddirectlyintotherose-redsandstonecliffs,thecitywasthecapitaloftheNabataeanKingdomfromapproximately300BCEto106CE.Petra'smosticonicstructureistheTreasury,alsoknownastheAl-Khazneh,astunningfacadeadornedwithintricatesculpturesandhieroglyphs.OthernotablelandmarksincludetheGreatTemple,theRoyalTombs,andtheSiq,anarrowcanyonleadingtothecity'smainentrance.Petra'ssignificanceliesnotonlyinitsimpressivearchitecturebutalsoinitsstrategiclocationalongancienttraderoutes,particularlytheIncenseRoute,whichconnectedSouthArabiawiththeLevantandtheHellenisticworld.Thispositionfacilitatedtheexchangeofgoods,ideas,andcultures,contributingtothecity'sprosperityandcosmopolitannature.TheNabataeanswereskilledtradersandengineers,asevidencedbytheadvancedwatermanagementsystemstheydevelopedtosustainthecityinthearidenvironment.ThedeclineofPetrabeganwiththeRomanconquestin106CE,whenthecitylostitsstatusasaregionalcenter.Overthecenturies,Petrawaslargelyforgottenbytheoutsideworld,becomingknownas"thelostcity."Itwasnotuntilthe19thcenturythatthesitewasrediscoveredbyexplorers,andithassinceattractedvisitorsfromaroundtheglobe,becomingaUNESCOWorldHeritageSitein1985.Today,Petraisapopulartouristdestinationandavitalsourceofincomeforthelocalcommunity,althoughtheinfluxofvisitorsalsopresentschallengesrelatedtopreservationandsustainabletourismdevelopment.20.Whatisthemainideaofthepassage?A.Petrawasamajortradehubinancienttimes.B.Petra'sarchitectureisinfluencedbyRomandesign.C.ThedeclineofPetrawascausedbynaturaldisasters.D.Petraisalessimportanthistoricalsitethanothers.21.Accordingtothepassage,whatwasonefactorthatcontributedtoPetra'sprosperity?A.Itslocationnearalargeriver.B.Theabundanceofnaturalresources.C.Itspositionalongancienttraderoutes.D.ThemilitarystrengthoftheNabataeanKingdom.22.Theword"ingenuity"inthefirstparagraphisclosestinmeaningto:A.SkillB.BeautyC.SizeD.Age23.Thepassagesuggeststhat:A.Petra'sarchitecturalmarvelswerebuiltbytheRomans.B.TheNabataeanswerenotinvolvedintrade.C.Petra'sadvancedwatersystemsweresimple.D.TraderoutesplayedasignificantroleinPetra'sdevelopment.24.WhichofthefollowingisNOTmentionedasafeatureofPetra?A.TheTreasury.B.TheRoyalTombs.C.TheEiffelTower.D.TheSiq.25.Theauthorimpliesthat:A.Petra'srediscoverywasarandomevent.B.TourismhashadnonegativeimpactonPetra.C.EffortsareneededtoprotectPetra'sculturalheritage.D.Petra'shistoricalsignificanceisonlyrecognizedinJordan.第二部分完形填空DearAlex,Ihopethisletterfindsyouwell.Iwasthrilledtohearfromyoulastmonth,andit'sbeenonmymindeversince.I'vebeenthinkingaboutwhatyouaskedmetoshareregardingmyrecenttriptoKyoto,andI'dlovetotellyoumoreaboutit.Kyoto,theformercapitalofJapan,isacitythattrulycaptivatesthesenses.ThemomentIarrived,Iwasstruckbythelushgreeneryandthedelicatecherryblossomsthatwereinfullbloom.Theairwasfilledwiththesweetscentofflowers,andthesoundofbirdsongwasalmostdeafening.Itwasabreathtakingexperiencethatsetthetonefortherestofmyjourney.OneofthehighlightsofmytripwasvisitingtheFushimiInariShrine.ThisiconicshrineisfamousforitsthousandsofvibrantredtoriigatesthatstretchacrossanetworkoftrailsupthesacredMountInari.Walkingthroughthegates,Ifeltasenseofaweandtranquility.Thetrailswindthroughdenseforests,offeringstunningviewsofthecityandthesurroundingcountryside.Itwasahumblingexperiencetobesurroundedbysuchbeautyandtowitnessthedeepspiritualsignificanceoftheshrine.AnotherplacethatleftalastingimpressiononmewastheKinkaku-ji,alsoknownastheGoldenPavilion.Thisstunningtempleiscoveredingoldleafandsitsgracefullyonareflectingpond.Thecontrastbetweentheshimmeringgoldandtheserenebluewaterwassimplymesmerizing.Spendingtimebythepond,watchingthesunlightdanceonthewater'ssurface,wasamomentofpurepeaceandreflection.Ofcourse,notriptoKyotowouldbecompletewithoutexperiencingitsrichculturalheritage.Ihadtheopportunitytowatchatraditionalteaceremony,whichwasafascinatingandsereneexperience.Themeticulouspreparationofthematcha,thequietreverenceoftheparticipants,andthebeautifulsimplicityofthesettingwereallaspectsthatIfounddeeplymoving.ItwasaglimpseintoaworldoftranquilityandmindfulnessthatIhadneverencounteredbefore.ThefoodinKyotowasalsoanunforgettablepartofmyjourney.Fromdelicatesushitoflavorfulramen,everymealwasacelebrationofJapanesecuisine.Oneofthemostmemorablediningexperienceswasatasmall,family-runrestaurantwhereItriedavarietyoftraditionalKyotodishes.Thechef,amiddle-agedmanwithawarmsmile,sharedstoriesofhisfamily'sculinarytraditions,anditwasclearthatfoodinKyotoisnotjustaboutsustenance;it'saboutbringingpeopletogetherandsharingculture.Asmytripcametoanend,IfoundmyselfreflectingontheexperiencesIhadandthememoriesIhadmade.Kyotoisacitythatstayswithyoulongafteryouleave.Thebeauty,theculture,thespirituality—itallcomestogethertocreateanunforgettablejourney.Ican'twaittotellyoumoreinpersonwhenwenextmeet,butfornow,IhopethislettergivesyouaglimpseofwhatKyotohastooffer.Thankyouforasking,andIlookforwardtohearingfromyousoon.Bestregards,Elena26.A.ExcitedB.CuriousC.SadD.Confused27.A.QuietB.CrowdedC.BusyD.Scenic28.A.RespectB.FearC.DisgustD.Boredom29.A.SereneB.ChaoticC.NoisyD.Colorful30.A.BoringB.TediousC.PeacefulD.Rushed31.A.SimpleB.ExpensiveC.ComplexD.Traditional32.A.HumbleB.ArrogantC.ExcitedD.Confused33.A.ReflectingB.DancingC.FloatingD.Moving34.A.MysteriousB.SereneC.BusyD.Crowded35.A.ExcitingB.MemorableC.OrdinaryD.Disappointing第三部分补全对话You:Hey,haveyoufinishedyourhomeworkyet?Sarah:36.It'salmostdone,butI'mstillworkingonthelastmathproblem.You:37.What'stheproblem?Sarah:38.It'saboutfindingtheareaofatriangle,butI'mnotsurehowtoapplytheformulacorrectly.You:39.Haveyoutrieddrawingadiagram?Sarah:40.Yeah,Idid.ButI'mstillabitconfusedaboutwhichnumberstouseforthebaseandheight.You:41.Well,rememberthatthebaseisanysideofthetriangle,andtheheightistheperpendiculardistancefromthebasetotheoppositevertex.Sarah:42.Oh,Isee!So,ifIdrawalinefromthetopvertexstraightdowntothebase,that'stheheight,right?You:43.Exactly!Nowyoucanplugthosevaluesintotheformula.Sarah:44.Thanks!IthinkIgetitnow.You:45.Noproblem.Anyotherquestions?第四部分写作Manypeoplebelievethattechnologyhasmadeourliveseasierandmoreconvenient.However,othersarguethattechnologyhascreatednewchallengesandproblems.Inyouropinion,hastechnologymadelifebetterorworse?Usespecificexamplestosupportyourarguments.第五部分语言知识运用完形填空Thehumanbrainisaremarkableorgan,capableof46.(perform)anincrediblerangeoffunctions.Frombasicsurvivalinstinctstocomplexcognitiveprocesses,thebrain47.(play)avitalroleinourdailylives.Oneofthemostfascinatingaspectsofthebrainisitsabilitytoadaptandchange,aprocessknownasneuroplasticity.Neuroplasticityallowsthebrainto48.(reorganize)itselfinresponsetonewexperiences,learning,andeveninjury.Thisabilityiscrucialfor49.(achieve)newskillsandforthebrain'srecoveryafterdamage.Forexample,whensomeonelearnsamusicalinstrument,theareasofthebrainresponsibleformotorskillsandauditoryprocessing50.(strengthen)overtime.Similarly,afterastroke,thebraincanoften51.(compensate)forthedamagedareasbyreorganizingitsfunctions.Theconceptofneuroplasticityhas52.(revolutionize)ourunderstandingofthebrainandhas53.(open)upnewpossibilitiesfortreatingneurologicalandpsychologicaldisorders.Therapiesthatleverageneuroplasticity,suchascognitivebehavioraltherapyandphysicalrehabilitation,have54.(prove)tobeeffectiveinhelpingpeoplerecoverfromconditionslikedepression,anxiety,andbraininjuries.However,thebrain'splasticityisnotlimitless.Thereare55.(be)apointwherethebrain'sabilitytoadapt56.(become)constrainedbyfactorssuchasage,injuryseverity,orthedurationofthestimulus.Understandingthelimitsofneuroplasticityiscrucialfordevelopingeffectiveinterventionsandtreatments.46.47.48.49.50.51.52.53.54.55.56.第六部分书面表达Manyschoolsaroundtheworldareimplementingpoliciesthatencouragestudentstoreducetheiruseofsingle-useplastics.Thesepoliciesoftenincludebansonplasticbags,straws,andwaterbottles.Whilethesemeasureshave57.(discuss)bothpositiveandnegativeimpacts,theyhavesparkedabroaderconversationabouttheroleofschoolsinenvironmentaleducationandsustainability.Ontheonehand,reducingsingle-useplasticsinschoolscanhaveasignificantenvironmentalimpact.By58.(eliminate)itemsthatareoftendiscardedimproperly,schoolscan59.(reduce)theamountofwastesenttolandfillsandoceans.Thiscanhelp60.(protect)marinelifeand61.(conserve)naturalresources.Additionally,thesepoliciescan62.(encourage)studentstodevelophabitsthatpromotesustainabilitybeyondtheschoolgrounds,suchasusingreusablecontainersandbags.However,therearealsochallengesassociatedwithimplementingthesepolicies.Somearguethat63.(prohibit)single-useplasticscanbeinconvenientforstudentsandstaff,especiallyinsituationswherealternativesarenotreadilyavailable.Therearealsoconcernsaboutthecostofprovidingreusablealternativesandthepotentialforincreasedcleaningandmaintenancerequirements.Furthermore,somebelievethatthefocusonsingle-useplasticsmay64.(divert)attentionfromotherenvironmentalissuesthatareequallyimportant.Despitethesechallenges,thetrendofreducingsingle-useplasticsinschoolsislikelytocontinue.Asawarenessoftheenvironmentalimpactofplastics65.(grow),schoolsare66.(see)anopportunityto67.(promote)sustainablepracticesand68.(instill)asenseofresponsibilityintheirstudents.By69.(integrate)environmentaleducationintothecurriculumandprovidingthenecessaryresources,schoolscan70.(play)avitalroleincreatingamoresustainablefuture.57.58.59.60.61.62.63.64.65.66.67.68.69.70.试卷答案第一部分阅读理解1.B解析思路：文章第一段定义了数字游民，第二段列举了其优点，第三段指出了其缺点。文章的中心思想是介绍数字游民的概念及其优缺点。选项B准确概括了概念，符合文章主旨。2.B解析思路：文章第二段提到“能够随时随地工作，只要有互联网连接的能力”，这是数字游民的一个主要优势。选项B与之相符。3.B解析思路：第一段“...theconceptofa'digitalnomad'hasgainedsignificanttractioninrecentyears...”中的“traction”意为“普及度，受欢迎程度”，与“popularity”意思相近。4.B解析思路：文章第二段明确提到“需要可靠且稳定的互联网连接，这在一些偏远或欠发达地区可能很难找到”，这是数字游民的一个主要挑战。选项B符合原文。5.C解析思路：文章第三段提到“灵活性”是数字游民生活方式吸引人的地方，并预测未来混合模式可能更普遍，暗示了自由是最大的吸引力。选项C表达了这一暗示。6.B解析思路：文章第二段提到了互联网连接、孤独感、财务管理等挑战，但没有提到健康保险问题。选项B原文未提及。7.C解析思路：文章第三段提到数字游民生活方式对很多人有吸引力，并预测随着远程工作的接受度和技术的发展，数字游民生活方式将更加普遍。选项C表达了这一趋势。8.B解析思路：文章第一段提到AI的益处，第二段和第三段分别阐述了AI的挑战。第四段总结AI的潜在好处和需要解决的问题。整篇文章平衡地描述了AI的潜在益处和挑战。选项B概括了文章的主要目的。9.A解析思路：第一段“...AItechnologies,suchasmachinelearningandnaturallanguageprocessing,arebeingintegratedintoawiderangeofapplications...”中的“integration”意为“整合，融入”，与“connection”意思相近。10.B解析思路：文章第三段提到“AI系统可能会取代某些行业的工作”，这是AI的一个潜在挑战。选项B与之相符。11.C解析思路：文章第四段提到“因此，必须努力解决与AI相关的道德和社会问题，以确保其发展和使用有利于人类”，暗示了合作对于管理AI影响是必要的。选项C表达了这一暗示。12.C解析思路：文章第三段提到了就业影响、隐私数据、AI系统偏差等潜在问题，但没有提到AI发展的速度。选项C原文未提及。13.C解析思路：文章第四段强调需要合作来解决AI的伦理和社会问题，确保其造福人类。选项C表达了这一观点。14.B解析思路：文章第一段点明了可持续农业的重要性，第二段至第四段分别从环境、经济和社会三个角度阐述了可持续农业的实践和意义。文章的中心思想是介绍可持续农业作为一种重要的食物生产方式。选项B概括了文章主旨。15.B解析思路：文章第二段提到可持续农业有助于减少环境污染，这是其一个好处。选项B与之相符。16.A解析思路：第二段提到可持续农业“旨在减少对化肥等化学品的使用”，说明其追求经济上的可行性。选项A“成功”与“viability”意思相近。17.C解析思路：文章第四段提到可持续农业“考虑社区福祉”，并提到公平对待农民、支持当地经济等。选项C表达了这一观点。18.B解析思路：文章第二段明确提到可持续农业“尽量避免使用化肥和农药”，因此“使用化肥”不是可持续农业的实践。选项B与原文相反。19.C解析思路：文章从环境（减少污染）、经济（降低成本、增加利润）和社会（公平、社区福祉）三个角度论述了可持续农业，说明环境和经济目标在农业中可以平衡。选项C表达了这一观点。20.C解析思路：文章第二段提到Petra是古代贸易路线上的一个重要枢纽，这促成了它