字典翻译 问答 小学 英语 Manyofusbelievethataperson’smindbecomeslessactiveashegrowsolder.Butthisisnottrue,accordingtoDrJarvik,professorofpsychiatryattheUniversityofCalifornia.Shehasstudiedthementalfunctioningofagingpersonsfor
问题标题:
Manyofusbelievethataperson’smindbecomeslessactiveashegrowsolder.Butthisisnottrue,accordingtoDrJarvik,professorofpsychiatryattheUniversityofCalifornia.Shehasstudiedthementalfunctioningofagingpersonsfor
问题描述:

Manyofusbelievethataperson’smindbecomeslessactiveashegrowsolder.Butthisisnottrue,accordingtoDrJarvik,professorofpsychiatryattheUniversityofCalifornia.Shehasstudiedthementalfunctioningofagingpersonsforseveralyears.Forexample,oneofherstudiesconcerns136pairsoftwins(双胞胎),whowerefirstexaminedwhentheywerealready60yearsold.AsDrJarvikcontinuedthestudyofthetwinsintotheir70sand80s,theirmindsdidnotgenerallydecline(衰弱)aswasexpected.
  However,therewassomedeclineintheirpsycho-motorspeed.Thismeansthatittookthemlongertofinishmentaltasksthanitusedto.Butwhenspeedwasnotafactor,theylostverylittleintellectual(智力的)abilityovertheyears.Ingeneral,DrJarvik’sstudieshaveshownthatthereisnodeclineinknowledgeorreasoningability.Thisistruenotonlywiththoseintheir30sand40s,butwiththoseintheir60sand70saswell.
  Itistruethatolderpeoplethemselvesoftencomplainthattheirmemoryisnotasgoodasitoncewas.However,muchofwhatwecall“lossofmemory”isnotthatatall.Thereusuallywasincompletelearninginthefirstplace.Forexample,theolderpersonperhapshadtroublehearing,orpoorvision,orwastryingtolearnthenewthingattoofastaspeed.Inthecaseswheretheolderperson’smindreallyseemstogetworse,itisnotnecessarilyasignofdeclineduetooldage.Oftenitissimplyasignofasademotionalstate. 
小题1:Thispassageismainlyabout_______.

A.whatcausedmentaldecline
B.anewdiscoveryaboutmentaldecline
C.thedifferencebetweenmiddle-agedandolderpersons
D.howDrJarvikstudiedmentalfunctioningofthetwins
小题2:Theword“psychiatry”inparagraph1mostprobablymeans_______.A.thestudyofdiseasesofthemindB.thestudyofphysicaldiseasesC.thestudyoftwins’growthD.thestudyofhumanbehavior小题3:Moreoftenthannot,whatwecallmentaldeclineisactuallyasignof_______.A.aworseningstateofhealthB.oldageC.nervoustensionD.astateofunhapp

黎华敏回答:
  小题1:B小题2:A小题3:D   
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