阅读理解A
题干:Specialisationcanbeseenasaresponsetotheproblemofanincreasingaccumulationofscientificknowledge.Bysplittingupthesubjectmatterintosmallerunits,onemancouldcontinuetohandletheinformationanduseitasthebasisforfurtherresearch.Butspecialisationwasonlyoneofaseriesofrelateddevelopmentsinscienceaffectingtheprocessofcommunication.Anotherwasthegrowingprofessionalisationofscientificactivity.Noclear-cutdistinctioncanbedrawnbetweenprofessionalsandamateursinscience:exceptionscanbefoundtoanyrule.Nevertheless,theword“amateur”doescarryaconnotationthatthepersonconcernedisnotfullyintegratedintothescientificcommunityand,inparticular,maynotfullyshareitsvalues.Thegrowthofspecialisationinthenineteenthcentury,withitsconsequentrequirementofalonger,morecomplextraining,impliedgreaterproblemsforamateurparticipationinscience.Thetrendwasnaturallymostobviousinthoseareasofsciencebasedespeciallyonamathematicalorlaboratorytraining,andcanbeillustratedintermsofthedevelopmentofgeologyintheUnitedKingdom.AcomparisonofBritishgeologicalpublicationsoverthelastcenturyandahalfrevealsnotsimplyanincreasingemphasisontheprimacyofresearch,butalsoachangingdefinitionofwhatconstitutesanacceptableresearchpaper.Thus,inthenineteenthcentury,localgeologicalstudiesrepresentedworthwhileresearchintheirownright;but,inthetwentiethcentury,localstudieshaveincreasinglybecomeacceptabletoprofessionalsonlyiftheyincorporate,andreflectonthewidergeologicalpicture.Amateurs,ontheotherhand,havecontinuedtopursuelocalstudiesintheoldway.Theoverallresulthasbeentomakeentrancetoprofessionalgeologicaljournalsharderforamateurs,aresultthathasbeenreinforcedbythewidespreadintroductionofrefereeing,firstbynationaljournalsinthenineteenthcenturyandthenbyseverallocalgeologicaljournalsinthetwentiethcentury.Asalogicalconsequenceofthisdevelopment,separatejournalshavenowappearedaimedmainlytowardseitherprofessionaloramateurreadership.Arathersimilarprocessofdifferentiationhasledtoprofessionalgeologistscomingtogethernationallywithinoneortwospecificsocieties,whereastheamateurshavetendedeithertoremaininlocalsocietiesortocometogethernationallyinadifferentway.AlthoughtheprocessofprofessionalisationandspecialisationwasalreadywellunderwayinBritishgeologyduringthenineteenthcentury,itsfullconsequenceswerethusdelayeduntilthetwentiethcentury.Insciencegenerally,however,thenineteenthcenturymustbereckonedasthecrucialperiodforthischangeinthestructureofscience.
题目:The author writes of the development of geology to demonstrate_____.