【[1]Adultsareoftenastonishedbyhowwelltheyremembersomethingtheylearnedaschildrenbuthaveneverpracticedeversince.Amanwhohasnothadachancetogoswimmingforyearscanstillswimaswellaseverwhenhegetsbackinthewate】

　　[1]Adultsareoftenastonishedbyhowwelltheyremembersomethingtheylearnedaschildrenbuthaveneverpracticedeversince.Amanwhohasnothadachancetogoswimmingforyearscanstillswimaswellaseverwhenhegetsbackinthewater.Hecangetonabicycleaftermanyyearsandstillrideaway.Hecanplaycatchandhitaballaswellashisson.Amotherwhohasnotthoughtaboutthewordsforyearscanteachherdaughterthepoemthatbegins“Twinkletwinklelittlestar”orrememberthestoryofCinderellaorGoldilocksandtheThreeBears.

　　[2]Oneexplanationisthelawofoverlearningwhichcanbestatedasfollows:Oncewehavelearnedsomethingadditionallearningtrialsincreasethelengthoftimewewillrememberit.

　　[3]Inchildhoodweusuallycontinuetopracticesuchskillsasswimmingbicycleridingandplayingbaseballlongafterwehavelearnedthem.Wecontinuetolistentoandremindourselvesofwordssuchas“Twinkletwinklelittlestar”andchildhoodtalessuchasCinderellaandGoldilocks.Wenotonlylearnbutoverlearn.

　　[4]Themultiplicationtables(乘法口诀表)areanexceptiontothegeneralrulethatweforgetratherquicklythethingsthatwelearninschoolbecausetheyareanotherofthethingsweoverlearninchildhood.

　　[5]Thelawofoverlearningexplainswhycramming(突击学习)foranexaminationthoughitmay_______apassinggradeisnotasatisfactorywaytolearnacollegecourse.Bycrammingastudentmaylearnthesubjectwellenoughtogetbyontheexaminationbutheislikelysoontoforgetalmosteverythinghelearned.Alittleoverlearningontheotherhandisreallynecessaryforone'sfuturedevelopment.

　　1.WhatisthemainideaofParagraph1?(nomorethan10words)

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　　2.Whatisthelawofoverlearning?(nomorethan18words)

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　　3.Howdoestheauthorexplainthelawofoverlearning?(nomorethan5words)

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