阅读理解Grown-upsareoftensurprisedbyhowwelltheyremembersomethingtheylearnedaschildrenbuthaveneverpracticedeversince.Amanwhohasnothadachancetogoswimmingfor

　　阅读理解 Grown-upsareoftensurprisedbyhowwelltheyremembersomethingtheylearnedaschildrenbut

　　haveneverpracticedeversince.Amanwhohasnothadachancetogoswimmingforyearscanstill

　　swimaswellaseverwhenhegetsbackinthewater.Hecangetonabicycleaftermanyyearsandstill

　　rideaway.Hecanplaycatchandhitaballaswellashisson.Amotherwhohasnotthoughtaboutthe

　　wordsforyearscanteachherdaughterthepoemthatbegins"Twinkletwinklelittlestar"orremember

　　thestoryofCinderellaorGoldilocksandtheThreeBears.

　　Oneexplanationisthelawofoverlearningwhichcanbestatedasfollows:Oncewehavelearned

　　somethingadditionallearningtrialsincreasethelengthoftimewewillRememberit

　　Inchildhoodweusuallycontinuetopracticesuchskillsasswimmingbicycleridingand

　　playingbaseballlongafterwehavelearnedthem.Wecontinuetolistentoandremind

　　ourselvesofwordssuchas"Twinkletwinklelittlestar"andchildhoodtalessuchas

　　CinderellaandGoldilocks.Wenotonlylearnbutoverlearn.

　　Themultiplicationtables(乘法口诀表)areanexceptiontothegeneralrule.thatwe

　　forgetratherquicklythethingsthatwelearninschoolbecausetheyareanotherofthethings

　　weoverlearninchildhood.

　　ThelawofoverleatningexplainswhycrammingJ(突击学习)foranexaminationthough

　　itmayresultinapassinggradeisnotasatisfactorywaytolearnacollegecourse.By

　　crammingastudentmaylearnthesubjectwellenoughtogetbyontheexaminationbutheis

　　likelysoontoforgetalmosteverythinghelearned.Alittleoverlearningontheotherhandis

　　reallynecessaryforone'sfuturedevelopment.1.What'themainideaofParagraph1?A.Peoplerememberwellwhattheylearnedinchildhood.

　　B.Childrenhaveabettermemorythangrown-ups.

　　C.Poemreadingisagoodwaytolearnwords."

　　D.Storiesforchildrenareeasytoremember.2.TheauthorexplainsthelawofoverlearningbyA.presentingresearchfindings

　　B.setti