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1、Unit3Ahealthylife李仕才一、阅读理解。Beijing’sForbiddenCityisaplacefullofwonder.Fromitsthousandsofroomstoitsmanybeautifulartifacts,there’snowonderit’soneofChina’smostpopulartouristdestinations.Butevenmorethan600yearsafteritwasbuilt,it’sstillmanagingtoserveupsurprises.SinceitwasbuiltduringtheMin
2、gDynasty,it’sestimatedthattheForbiddenCityhassurvivedmorethan200earthquakes.Andwhilemoststructuresaren’tmadetosurvivenaturaldisasters,letaloneonesbuilthundredsofyearsago,itseemsthattheForbiddenCitywasbuilttowithstandanything.ArecenttelevisiondocumentarybyUKbroadcasterChannel4exploredt
3、heskillsoftheancientbuilding’sdesigners.AgroupofChinesecarpentersandengineerswereshownbuildingascalemodel(成比例模型)ofoneoftheForbiddenCity’spalaces,atonefifthofthesize.ToshowhowstrongancientChinesearchitecturereallyis,themodelwasputtothetest.Itwassubjectedtoasimulated(模拟的)earthquakeof9.5
4、ontheRichterscale–equivalenttothelargesteverrecordedquake–andsurvived.Insteadoffallingapart,themodelwasjustmovedgentlyduringthetest.Accordingtoexperts,theanswertotheForbiddenCity’sstrength,aswellasotherancientChinesestructures’,liesindougong–acenturies-oldbuildingmethodinventedinChina
5、.Thisisthenameforspecialbracketsonbuildings.Despitebeingheldtogetherwithoutanynailsorglue,thebracketsareperfectatkeepingstructurestogetherwhentheweathergetsrough.“Dougongdesignisanimportantearthquake-resistantfeatureofclassicalChinesestructuresbecausetheframeworkchangesinshapewhenunde
6、rpressure,muchliketheshockabsorbers(减震器)ofacar,”accordingtoChineseNationalGeography.“AncientChinesecraftsmencreatedstructuresthatwerebothenduringandaesthetically(在美学方面)pleasingusingdougong,revealingtheiradvancedunderstandingofmathematics,architecture,materials,andstructuralscience.”Th
7、eForbiddenCitydrawsvisitorsbecauseofitsrichhistoryandculturalsignificance,butperhapsitshouldaddonemorethingtoitslistofattractions:earthquakeshelter.1.Whatisthearticlemainlyabout?A.WhathasmadetheForbiddenCityapopulartouristdestination.B.WhathashelpedtheForbiddenCitysurvivesomanyearthqu
8、akes.
