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1、Unit15TheRiddleofTimeBackgroundThisarticlebeginswithadiscussionofthedefinitionoftime,butitmainlydealswiththehistoricaldevelopmentofhumanbeings’timekeeping.Zitalsotouchesuponthebodyclockofhumanbeings.Obviouslyitisnotmeanttobeaseriousscientifictreaties.Thereforewecancallitpopularscience.WordsandEx
2、pressionsvariableSth.thatcanbedifferentindifferentsituationsliketemperature,pressure,etc.Cf.tovary,variation,variety,various,variable,variant,invariablyWordsandExpressions“…issaidtodo/tohavedone/tobedoing,etc.”e.g.Hewassaidtohavediscoveredthesecretofthependulum.Hewassaidtobesittinginachurch…Word
3、sandExpressionsdailyCf.Today’sPeople’sDailycarriedanimportanteditorial.(“daily”usedasanoun)Trafficaccidentsarevirtuallydailyoccurrences.(“daily”usedasanadjective)Themilkisdelivereddailyearlyinthemorning.(“daily”usedasanadverb)WordsandExpressionsdevice(formal)apieceofequipment,especiallysth.usedt
4、omeasureorprotectotherthings.InspokenEnglish,peopleuse“thing”.WordsandExpressionsspy:tosuddenlysee,especiallyafterseekingforitCf.tosee,tospy,todetect,tospot,todiscover,tofind,tonoticeWordsandExpressionsregardlessof:withoutbeingaffectedby,e.g.Weallhavetherighttovoteregardlessofour,sex,race,educat
5、ionfinancialstatus,religionorpoliticsThegovernmentisdeterminedtopunishallthecorruptofficialsregardlessoftheirpositions.WordsandExpressions“nano-”:acombiningformmeaning“onebillionthof”usedtoformcompoundwordsCf:nanometer钠米(十亿分之一米);nanotechnology纳米技术WordsandExpressionsbecompressed:tobepressedtotake
6、uplessspaceCf:oppress.depress,impress,repress,suppressWordsandExpressionstracesth.to:tofindtheoriginofsth.;tofindwheresth.camefrom,e.g.Theirconflictcanbetracedtoseveralthousandyearsago.WordsandExpressionstakeonameaning:tobegintoacquireorhaveameaninge.g.Manyhumaninventionsareinternalizedinthesame
7、wayandhavetakenonmeaningsoftheirown.TheimageofGodforexample.ManypeopleseemtobeunawarethatthepictureandthestatueofGodwebothdonebyhumanswiththeirownhands.WordsandExpressionsTheuseofnecklacescanbetracedtotheprimitivesocietywhen
