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　　1.Wearingaseatbeltsaveslives；itreducesyourchanceofdeathorseriousinjurybymorethanhalf.
　　2.Butitwillbethedriver’sresponsibilitytomakesurethatchildrenunder14donotrideinthefrontunlesstheyarewearingaseatbeltofsomekind.
　　3.However，youdonothavetowearaseatbeltifyouarereversingyourvehicle；oryouaremakingalocaldeliveryorcollectionusingaspecialvehicle；orifyouhaveavalidmedicalcertificatewhichexcusesyoufromwearingit.
　　4.Rememberyoumaybetakentocourtfornotdoingso，andyoumaybefinedifyoucannotprovetothecourtthatyouhavebeenexcusedfromwearingit.
　　5.ProfessorTaijuMatsuzawawantedtofindoutwhyotherwisehealthyfarmersinnorthernJapanappearedtobelosingtheirabilitytothinkandreasonatarelativelyearlyage，andhowtheprocessofageingcouldhesloweddown.
　　6.WithateamofcolleaguesatTokyoNationalUniversity，hesetaboutmeasuringbrainvolumesofathousandpeopleofdifferentagesandvaryingoccupations.
　　7.Computertechnologyenabledtheresearcherstoobtainprecisemeasurementsofthevolumeofthefrontandsidesectionsofthebrain，whichrelatetointellect（智能）andemotion，anddeterminethehumancharacter.
　　8.Contractionoffrontandsidepartsascellsdieoffwasobservedinsomesubjectsintheirthirties，butitwasstillnotevidentinsomesixtyandseventy-year-olds.
　　9.Thefindingsshowingeneraltermsthatcontractionofthebrainbeginssoonerinpeopleinthecountrythaninthetowns.
　　10.Whitecollarworkersdoingroutineworkingovernmentofficesare，however，aslikelytohaveshrinkingbrainsasthefarmworker，busdriverandshopassistant.
　　11.Weknowthatyouhaveahighopinionofthekindoflearningtaughtinyourcolleges，andthatthecostsoflivingofouryoungmen，whilewithyou，wouldbeveryexpensivetoyou.
　　12.Butyoumustknowthatdifferentnationshavedifferentwaysoflookingatthings，andyouwillthereforenotbeoffendedifourideasofthiskindofeducationhappennottobethesameasyours.
　　13.Weare，however，notthelessobligedbyyourkindoffer，thoughwerefusetoacceptit；and，toshowourgratefulsenseofit，ifthegentlemenofVirginiawillsendusadozenoftheirsons，wewilltakecareoftheireducation，teachtheminallweknow，andmakemenofthem.
　　14.Inwhatnowseemsliketheprehistorictimesofcomputerhistory，theearth’spostwarera，therewasquiteawide-spreadconcernthatcomputerswouldtakeovertheworldfrommanoneday.
　　15.Alreadytoday，lessthanfortyyearslater，ascomputersarerelievingusofmoreandmoreoftheroutinetasksinbusinessandinourpersonallives.Wearefacedwithalessdramaticbutalsolessforeseenproblem.
　　16.Obviously，therewouldbenopointininvestinginacomputerifyouhadtocheckallitsanswers，butpeopleshouldalsorelyontheirowninternalcomputersandcheckthemachinewhentheyhavethefeelingthatsomethinghasgonewrong.
　　17.CertainlyNewtonconsideredsometheoreticalaspectsofitinhiswritings，buthewasreluctanttogotoseatofurtherhiswork.
　　18.Formostpeopletheseawasremote，andwiththeexceptionofearlyintercontinentaltravellersorotherswhoearnedalivingfromthesea，therewaslittlereasontoaskmanyquestionsaboutit，letalonetoaskwhatlaybeneaththesurface.
　　19.Thefirsttimethatthequestion"Whatisatthebottomoftheoceans？"hadtobeansweredwithanycommercialconsequencewaswhenthelayingofatelegraphcablefromEuropetoAmericawasproposed.
　　20.Attheearlyattempts，thecablefailedandwhenitwastakenoutforrepairsitwasfoundtobecoveredinlivinggrowths，afactwhichdefiedcontemporaryscientificopinionthattherewasnolifeinthedeeperpartsofthesea.