【英语单选30-32题号:30题型:单选题本题分数:2.00内容:Researchershaveestablishedthatwhenpeoplearementallyengaged,biochemicalchangesoccurinthebrainthatallowittoactmoreeffectivelyincognitive(认知的)areassuchas】
英语单选30-32
题号:30题型:单选题本题分数:2.00
内容:
Researchershaveestablishedthatwhenpeoplearementallyengaged,biochemicalchangesoccurinthebrainthatallowittoactmoreeffectivelyincognitive(认知的)areassuchasattentionandmemory.Thisistrueregardlessofage.Peoplewillbealert(警觉的)andreceptive(愿意接受的)iftheyarefacedwithinformationthatgetsthemtothinkaboutthingstheyareinterestedin.Andsomeonewithahistoryofdoingmoreratherthanlesswillgointooldagemorecognitivelysoundthansomeonewhohasnothadanactivemind.Manyexpertsaresoconvincedofthebenefitsofchallengingthebrainthattheyareputtingthetheorytoworkintheirownlives.“Theideaisnotnecessarilytolearntomemorizeenormousamountsofinformation,”saysJamesFozard,associatedirectoroftheNationalInstituteonaging.“Mostofusdon’tneedthatkindofskill.Suchspecifictrainingisoflessinterestthanbeingabletomaintainmentalalertness.”Foardandotherssaytheychallengetheirbrainswithdifferentmentalskills,bothbecausetheyenjoythemandbecausetheyaresurethattheirrangeofactivitieswillhelpthewaytheirbrainswork.GeneCohen,actingdirectorofthesameinstitute,suggeststhatpeopleintheiroldageshouldengageinmentalandphysicalactivitiesindividuallyaswellasingroups.Cohensaysthatwearefrequentlyadvisedtokeepphysicallyactiveasweage,butolderpeopleneedtokeepmentallyactiveaswell.Thosewhodoaremorelikelytomaintaintheirintellectualabilitiesandtobegenerallyhappierandbetteradjusted.“Thepointis,youneedtodoboth,”Cohensays,“Intellectualactivityactuallyinfluencesbrain-cellhealthandsize.”Peoplewhoarecognitivelyhealthyarethose____.
选项:
a、whocanrememberlargeamountsofinformation
b、whoarehighlyintelligent
c、whosemindsarealertandreceptive
d、whoaregoodatrecognizingdifferentsounds
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题号:31题型:单选题本题分数:2.00
内容:
ThefindingsofJamesandotherscientistsintheirwork____
选项:
a、remainatheorytobefurtherproved
b、havebeenchallengedbymanyoth