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1、1.Wearingaseatbeltsaveslives;itreducesyourchanceofdeathorseriousinjurybymorethanhalf. 2.Butitwillbethedriver'sresponsibilitytomakesurethatchildrenunder14donotrideinthefrontunlesstheyarewearingaseatbeltofsomekind. 3.However,youdonothavetowearaseatbeltifyouarereversingyourvehicle;oryouaremaki
2、ngalocaldeliveryorcollectionusingaspecialvehicle;orifyouhaveavalidmedicalcertificatewhichexcusesyoufromwearingit. 4.Rememberyoumaybetakentocourtfornotdoingso,andyoumaybefinedifyoucannotprovetothecourtthatyouhavebeenexcusedfromwearingit. 5.ProfessorTaijuMatsuzawawantedtofindoutwhyotherwisehe
3、althyfarmersinnorthernJapanappearedtobelosingtheirabilitytothinkandreasonatarelativelyearlyage,andhowtheprocessofageingcouldhesloweddown. 6.WithateamofcolleaguesatTokyoNationalUniversity,hesetaboutmeasuringbrainvolumesofathousandpeopleofdifferentagesandvaryingoccupations. 7.Computertechnolo
4、gyenabledtheresearcherstoobtainprecisemeasurementsofthevolumeofthefrontandsidesectionsofthebrain,whichrelatetointellect（智能）andemotion,anddeterminethehumancharacter. 8.Contractionoffrontandsidepartsascellsdieoffwasobservedinsomesubjectsintheirthirties,butitwasstillnotevidentinsomesixtyandseve
5、nty-year-olds. 9.Thefindingsshowingeneraltermsthatcontractionofthebrainbeginssoonerinpeopleinthecountrythaninthetowns. 10.Whitecollarworkersdoingroutineworkingovernmentofficesare,however,aslikelytohaveshrinkingbrainsasthefarmworker,busdriverandshopassistant. 11.Weknowthatyouhaveahighopinio
6、nofthekindoflearningtaughtinyourcolleges,andthatthecostsoflivingofouryoungmen,whilewithyou,wouldbeveryexpensivetoyou. 12.Butyoumustknowthatdifferentnationshavedifferentwaysoflookingatthings,andyouwillthereforenotbeoffendedifourideasofthiskindofeducationhappennottobethesameasyours. 13.Weare,
7、however,notthelessobligedbyyourkindoffer,thoughwerefusetoacceptit;and,toshowourgratefulsenseofit,ifthegentlemenofVirginiawillsendusadozenoftheirsons,wewilltakecareoftheireducation,teachtheminallweknow,andmakemenofthem. 14.Inwhatnowseemsliket
