第一个字母大写,有的你可能忘了!语法还不错,单词有些用的不太恰当,我也不好给你拿主意.你不给这篇作文起个名字吗? 　　Itisoneofthemostunpleasantdiscoveriesthatnoneofushumanbeingscanescapefromthefateofdeathatsomepoint.Evenifamanisabletoavoidaccidentsandillnesstakingawayhislife,theprocessofageingwillstillinevitablyleadhimtothegraveyard.However,itisluckyforustoliveinthistwentiethcentury,becausemoderncivilizationhasgrownintosuchastagesothatwecanexpecttolivelongerthanourancestors.Althoughnotallofmodernmencanenjoylongerlifetimethantheirforefathers’,theaveragehasindeedincreadedgreatly,becauseoflesscompetitionwithNature,yetbetterfoodsupply,nutritionadvice,andmedicalcare. 　　Wemighttendtoforgettheharshconditionintheearlydays,whentherewasnoairconditionerintheburningsummersnorgasinthefreezingwinters.Onemightarguethattoday’scomfortspoilsus,butthere’snodenyingthatwenolongerfeartheheatandchillthathadkilledalotofhumanbeingsintheolddays. 　　Moreover,aspeoplestarttothinkofpossiblewaystoextendtheirlives,attentionisbroughtonthesubjectofhealthfood.Infact,therehasbeenaprofessionspecializedinstudyingthebestmealplansformenunderdifferentphysicalandmentalconditions,anditisfairlyeasyforanycommonpeopletogetthesescientificnutritionadvice.Weareeatingmoreandmorehealthyinthewishtolivelonger. 　　Whilebothimprovedlivingconditionsandhealthfoodadvicehelpustoslowtheprocessofageing,modernmedicalfacilitypreventsusfromaccidentsanddiseases.Primitivemedicalcarewasunabletosavelivesevenfromadeepcutorflue,whilemodernmedicalservicesarejustaboutmighty.Wehavesavedcountlesslivesfromcaraccidents,fighting,gunshooting,etc.andconqueredanumberofdiseasesthatusedtobefatalinthepast.AlthoughtherearestilldiseaseslikecancerandAIDSthatcannotbecured,itisalwayspossibletomaketheremainingtimealittlelongerusingmoderntherapy. 　　Tosumup,peopleinthetwentiethcenturycanexpecttolivelongerthanpeoplewholivedinbygonetimes,thankstomoderncivilization,especiallymodernmedicine.