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1、Unit3Ahealthylife一、阅读理解。Beijing’sForbiddenCityisaplacefullofwonder.Fromitsthousandsofroomstoitsmanybeautifulartifacts,there’snowonderit’soneofChina’smostpopulartouristdestinations.Butevenmorethan600yearsafteritwasbuilt,it’sstillmanagingtoserveupsurprises.Sinc
2、eitwasbuiltduringtheMingDynasty,it’sestimatedthattheForbiddenCityhassurvivedmorethan200earthquakes.Andwhilemoststructuresaren’tmadetosurvivenaturaldisasters,letaloneonesbuilthundredsofyearsago,itseemsthattheForbiddenCitywasbuilttowithstandanything.Arecenttele
3、visiondocumentarybyUKbroadcasterChannel4exploredtheskillsoftheancientbuilding’sdesigners.AgroupofChinesecarpentersandengineerswereshownbuildingascalemodel(成比例模型)ofoneoftheForbiddenCity’spalaces,atonefifthofthesize.ToshowhowstrongancientChinesearchitecturereal
4、lyis,themodelwasputtothetest.Itwassubjectedtoasimulated(模拟的)earthquakeof9.5ontheRichterscale–equivalenttothelargesteverrecordedquake–andsurvived.Insteadoffallingapart,themodelwasjustmovedgentlyduringthetest.Accordingtoexperts,theanswertotheForbiddenCity’sstre
5、ngth,aswellasotherancientChinesestructures’,liesindougong–acenturies-oldbuildingmethodinventedinChina.Thisisthenameforspecialbracketsonbuildings.Despitebeingheldtogetherwithoutanynailsorglue,thebracketsareperfectatkeepingstructurestogetherwhentheweathergetsro
6、ugh.“Dougongdesignisanimportantearthquake-resistantfeatureofclassicalChinesestructuresbecausetheframeworkchangesinshapewhenunderpressure,muchliketheshockabsorbers(减震器)ofacar,”accordingtoChineseNationalGeography.“AncientChinesecraftsmencreatedstructuresthatwer
7、ebothenduringandaesthetically(在美学方面)pleasingusingdougong,revealingtheiradvancedunderstandingofmathematics,architecture,materials,andstructuralscience.”TheForbiddenCitydrawsvisitorsbecauseofitsrichhistoryandculturalsignificance,butperhapsitshouldaddonemorethin
8、gtoitslistofattractions:earthquakeshelter.1.Whatisthearticlemainlyabout?A.WhathasmadetheForbiddenCityapopulartouristdestination.B.WhathashelpedtheForbiddenCitysurvivesomanyearthquakes.C.T
