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1、【2018职称英语卫生类B级阅读理解练习题（5）】b级职称英语有效期MemoryClassStanFieldknowswhatagecandotoaperson"smemory,andhe"snottakinganychanceswithhis.Hechooseshisfoodcarefullyandgetsplentyofexercise.Healsoavoidsstress,cocacolaandcigarettesmoke.What"smore,atbreakfasteachmorning,the6
2、9-year-oldchemicalengineerswallowsaplatefulofpillsinthehopeofboostinghisbrainpower.MichelleArnoveislessthanhalfField"sage,butnolessconcernedabouthermemory.Whileworkingroundtheclocktofinishadegreeinfilmstudies,the33-year-oldNewYorkerhadthealarmingsensation
3、thatshehadstoppedretaininganything."Icouldn"tevenremembernames,"shesays."1thought,"Ohno,I"mover30.It"salldownhillfromhere."Besidesloadinguponsupplements,Arnovesignedupforamemory-enhancingcourseatNewYork"sMountSianiMedicalCenter.Andwhenshegotthere,shefound
4、herselfsurroundedbypeoplewhowerejustasworriedasshewas.FormillionsofAmericans,andespeciallyforbabyboomers(生育高峰期出生的人),thedemandsoftheInformationAgeconflictwithasenseofdecliningphysicalpower."Whenboomerswereintheir30sand40s,theylaunchedthefitnessboom,"saysCy
5、nthiaGreen,thepsychologistwhoteachesMountSinai"smemoryclass."Nowwehavethemental-fitnessboom.Memoryistheboomers"newlife-crisisissue."Andofcourseamajormarketingopportunity.Thedemandforbooksandseminarshasneverbeengreater,saysJackLannom,aIongtimememorytrainer
6、whoseweeklyTVshow,"MindUnlimited,"goesoutto33millionhomesontheChristianNetwork.Anxiousconsumersarerushingtobuydo-it-yourselfprogramsandsupplementmakersaretryingtoselleverythingbutsawdust(木屑)asabrainbooster.Butbeforeyougetoutyourcheckbook,afewquestionsarei
7、norder.Doeseverydayforgetfulnesssignaldecliningbrainfunction?Is"megamemory"(超强记忆)arealisticgoalfornormalpeople?Andifyoucouldhaveaperfectmemory,wouldyoureallywantit?Untilrecently,noonecouldaddressthoseissueswithmuchauthority,butourknowledgeofmemoryisexplod
8、ing.Newtechniquesarerevealinghowdifferentpartsofthebraininteracttopreservemeaningfulexperiences.Biologistsaretryingtounderstandtheunderlying(潜在的)chemicalprocessesandneuroscientists(神经系统科学家)arediscoveringhowage,stres
