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1、巨微英语四六级 基础不好找巨微！2016年6月英语四级仔细阅读真题及答案解析 SectionC PassageOne Questions46to50arebasedonthefollowingpassage. Decliningmentalfunctionisoftenseenasaproblemofoldage，butcertainaspectsofbrainfunctionactuallybegintheirdeclineinyoungadulthood,anewstudysugge
2、sts. Thestudy,whichfollowedmorethan2,000healthyadultsbetweentheagesof18and60,foundthatcertainmentalfunctions—includingmeasuresofabstractreasoning,mentalspeedandpuzzle-solving—startedtodullasearlyasage27. Dipsinmemory,meanwhile,generallybecameapparentaro
3、undage37. Ontheotherhand,indicatorsofaperson'saccumulatedknowledge—likeperformanceontestsofvocabularyandgeneralknowledge—keptimprovingwithage,accordingtofindingspublishedinthejournalNeurobiologyofAging. 巨微英语四六级 基础不好找巨微！ Theresultsdonotmeanthat
4、youngadultsneedtostartworryingabouttheirmemories.Mostpeople'smindsfunctionatahighlevelevenintheirlateryears,accordingtoresearcherTimothySalthouse. "Thesepatternssuggestthatsometypesofmentalflexibilitydecreaserelativelyearlyinadulthood,butthattheamountofk
5、nowledgeonehas,andtheeffectivenessofintegratingitwithone'sabilities，mayincreasethroughoutallofadulthoodiftherearenodispases,"Salthousesaidinanewsrelease. Thestudyincludedhealthy,educatedadultswhotookstandardtestsofmemory,reasoningandperceptionattheoutset
6、andatsomepointoverthenextsevenyears. Thetestsaredesignedtodetectsubtle(细微的)changesinmentalfunction,andinvolvesolvingPuzzles,recallingwordsanddetailsfromstories,andidentifyingpatternsincollectionsoflettersandsymbols. Ingeneral,Salthouseandhiscolleaguesfo
7、und,certainaspectsofcognition(认知能力)generallystartedtodeclineinthelate20sto30s. 巨微英语四六级 基础不好找巨微！ Thefindingsshedlightonnormalage-relatedchangesinmentalfunction,whichcouldaidinunderstandingtheprocessofdementia(痴呆),accordingtotheresearchers. "Byf
8、ollowingindividualsovertime,"Salthousesaid,"wegaininsightincognitionchanges,andmaypossiblydiscoverwaystoslowtherateofdecline." Theresearchersarecurrentlyanalyzing,thestudyparticipants'healthandlifestyletoseewhichfa
