阅读理解Weoftenhearpeoplesay“Ihaveagoodmemoryforthingslikethat”or“Icanremembernames”．Butdoyouknowmemoryisthesinglemostimportantthingandithasplayedaveryimp|小学英语问答-字典翻译问答网

问题标题：

阅读理解Weoftenhearpeoplesay“Ihaveagoodmemoryforthingslikethat”or“Icanremembernames”．Butdoyouknowmemoryisthesinglemostimportantthingandithasplayedaveryimp

问题描述：

(1)

(2)

阅读理解

　　Weoftenhearpeoplesay“Ihaveagoodmemoryforthingslikethat”or“Icanremembernames”．Butdoyouknowmemoryisthesinglemostimportantthingandithasplayedaveryimportantpart?

　　Forearlymenthereweredangerousallaroundthem－badweatherwildanimals．Thekeytokeeponlivinglayinmansabilitytorememberthesedangersandthewayshehaddealtwiththeminthepast．Inorderformemoriestobestoredthehumanbrainbecamemorecomplex．Andasmanlearnedhowtodealwiththemhebecamecivilized(文明)．Surprisinglyscientiststodayunderstandlittleaboutmemoryandhowitworks．Theyhavenotyetfoundawaytoopenupthebrainandobserveitsfunctionwithoutdestroyingit．Perhapstherearetwotypesofmemory：short-termandlong-term．Short-termreferstothosefactsthatstaywithusforafewsecondstoafewhours．Forinstancewhenyoustayatahotelyouremembertheroomnumberandforgetassoonasyouleave．Long-termmemoryontheotherhandmeansyourememberthingsforalongperiodoftime．Ifyouspendyourhoneymooninaparticularhotelitslikelythatyou'llrememberyourstayquiteclearly．

　　Scientistsalsobelievethatashort-termmemorycanbecomealong-termmemorythroughconsolidation(巩固)．Alotofchemicalandphysicalchangestakeplaceinthepartofthebrain．Althoughthehumanbrainweighsthreepoundsitcontains30billionnervecells(神经细胞)actinglikeacomputer．Whenthosechangesstrengthenthelinksincertainnervecellsathoughtbecomespartofthelong-termmemory．

Accordingtotheauthorwithoutthedevelopmentofman'smemorytherewouldbe________．

[　　]

A．

nomodernworld

B．

norecordedhistory

C．

noanimals

D．

nodangers

陈冬冬回答：

　　答案：1．A;2．B;3．D;4．D;

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