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1、★阅读难点关键句200句（以包括译文）★1.Wearingaseatbeltsaveslives;itreducesyourchanceofdeathorseriousinjurybymorethanhalf.2.Butitwillbethedriver’sresponsibilitytomakesurethatchildrenunder14donotrideinthefront unlesstheyare wearingaseatbeltofsomekind.3.However,youdonothavetowearaseatbeltifyouarereversingyou
2、rvehicle;oryouaremakingalocaldeliveryor collectionusingaspecialvehicle;orifyouhaveavalidmedicalcertificatewhichexcusesyoufrom wearingit.4.Rememberyoumaybetakentocourtfornotdoingso,andyoumaybefinedifyoucannotproveto thecourtthat youhave beenexcusedfromwearingit.5.ProfessorTaijuMatsuzawaw
3、antedtofindoutwhyotherwisehealthyfarmersinnorthernJapan appearedtobelosingtheirabilitytothinkandreasonatarelativelyearlyage,andhowtheprocessofageingcouldhesloweddown.6.WithateamofcolleaguesatTokyoNationalUniversity,hesetaboutmeasuringbrainvolumesofathousandpeopleof differentagesandvaryingo
4、ccupations.7.Computertechnologyenabledtheresearcherstoobtainprecisemeasurementsofthevolumeofthe frontandsidesections ofthebrain,whichrelatetointellect（智能）andemotion,anddeterminethehumancharacter.8.Contractionoffrontandsidepartsascellsdieoffwasobservedinsomesubjectsintheirthirties,butitwass
5、tillnotevidentinsomesixtyandseventy-year-olds.9.Thefindingsshowingeneraltermsthatcontractionofthebrainbeginssoonerinpeopleinthecountrythaninthetowns.10.Whitecollarworkersdoingroutineworkingovernmentofficesare,however,aslikelytohaveshrinkingbrainsasthe farmworker,busdriverandshopassistant.11
6、.Weknowthatyouhaveahighopinionofthekindoflearningtaughtinyourcolleges,andthatthecostsoflivingofouryoungmen,whilewithyou,wouldbeveryexpensivetoyou.12.Butyoumustknowthatdifferentnationshavedifferentwaysoflookingatthings,andyouwillthereforenotbeoffendedifourideasofthiskindofeducationhappennotto
7、bethesameasyours.13.Weare,however,notthelessobligedbyyourkindoffer,thoughwerefusetoacceptit;and,toshowourgratefulsense ofit,ifthegentlemenofVirginiawillsendusadozenoftheirsons,wewilltakecareoftheireducation,teachtheminallweknow,andmakemenofthem.14
