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1、ZQ国田IELTSADVANTAGELabellingaDiagramPaSSaRe3TheGreatPyramidofGizaTheGreatPyramidofGiza(alsoknownasthePyramidofKhufuorthePyramidofCheops)istheoldestandlargestofthethreepyramidsintheGizapyramidcomplexborderingpresent-dayGizainGreaterCairo,Egypt.ItistheoldestoftheSevenWondersoftheAncientWorld,andtheonly
2、onetoremainlargelyintact.BasedonamarkinaninteriorchambernamingtheworkgangandareferencetotheFourthDynastyEgyptianpharaohKhufu,someEgyptologistsbelievethatthepyramidwasthusbuiltasatombovera10-to20-yearperiodconcludingaround2560BC,thoughtheevidenceisfarfromconclusiveonthis.Initiallystandingat146.5metre
3、s,theGreatPyramidwasthetallestman-madestructureintheworldformorethan3,800yearsuntilLincolnCathedralwasfinishedin1311AD.Originally,theGreatPyramidwascoveredbylimestonecasingstonesthatformedasmoothoutersurface,andinancienttimesitmusthavelookedlikeaspectacularsingleshinywhiteblockofstone;whatisseentoda
4、yistheunderlyingcorestructure.Someofthecasingstonesthatoncecoveredthestructurecanstillbeseenaroundthebase.Manyalternative,oftencontradictory,theorieshavebeenproposedregardingthepyramidsconstructiontechniques.Manydisagreeonwhethertheblocksweredragged,lifted,orevenrolledintoplace.TheGreeksbelievedthat
5、slavelabourwasused,butmoderndiscoveriesmadeatnearbyworkerscampsassociatedwithconstructionatGizasuggestthatitcouldhavebeenbuiltinsteadbytensofthousandsofskilledworkers.Vernerpositedthatthelabourwasorganizedintoahierarchy,consistingoftwogangsof100,000menzdividedintofivezaaorphyleof20,000meneach,whichm
6、ayhavebeenfurtherdividedaccordingtotheskillsoftheworkers.Onemysteryofthepyramidsconstructionisitsplanning.JohnRomersuggeststhattheyusedthesamemethodthathadbeenusedforearlierandlaterconstructions,layingoutpartsoftheplanonthegroundata1-to-lscale.Hewritesthatsuchaworkingdiagramwouldalsoservetogeneratet
7、hearchitectureofthepyramidwithprecisionunmatchedbyanyothermeans.Healsoarguesfora14-yeartime-spanforitsconstruction.Amodernconstructionmanagementstudy,inassociationwithMarkLehnerandotherEgyptologists,estimatedthatthetotalprojectrequiredanaverageworkforceofabout14,500peopleandapeakworkforceofroughly40
8、,000.Withouttheuseofpulleys,wheels,orirontools,theyusedcriticalpathanalysismethods,whichsuggestthattheGreatPyramidwascompletedfromstarttofinishinapproximately10years.TheoriginalentrancetotheGreatPyramidisonthenorthernside,17metresverticallyabovegroundleveland7.29metreseastofthecenterlineofthepyramid
9、.Fromthisoriginalentrance,thereistheDescendingPassage0.96metreshighand1.04metreswide,whichgoesdownatanangleof26o31,23throughthemasonryofthepyramidandthenintothebedrockbeneathit.After105.23metres,thepassagebecomeslevelandcontinuesforanadditional8.84metrestotheLowerChamber;whichappearsnottohavebeenfin
10、ished.Thereisacontinuationofthehorizontalpassageinthesouthwallofthelowerchamber;thereisalsoapitduginthefloorofthechamber.It,sQ国IELTSADVANTAGELabelling a DiagrampossiblethatthisLowerChamberwasintendedtobetheoriginalburialchamber;butPharaohKhufulaterchangedhismindandwantedittobehigherupinthepyramid.28
11、.2metresfromtheentranceisasquareholeintheroofoftheDescendingPassage.Originallyconcealedwithaslabofstone,thisisthebeginningoftheAscendingPassage.TheAscendingPassageis39.3metreslong,aswideandhighastheDescendingPassage,andslopesupatalmostpreciselythesameangletoreachtheGrandGallery.AtthestartoftheGrandG
12、alleryontheright-handsidethereisaholecutinthewall.ThisisthestartofaverticalshaftwhichfollowsanirregularpaththroughthemasonryofthepyramidtojointheDescendingPassage.AlsoatthestartoftheGrandGallerythereistheHorizontalPassageleadingtotheQueensChamber.Thepassageis1.1mhighformostofitslength,butnearthecham
13、berthereisastepinthefloor;afterwhichthepassageis1.73metreshigh.AttheotherendoftheGrandGalleryisthenarrowtunnelthatisusedtoaccesstheKingsChamber.Adaptedfrom:http5：en.wikipedia.orq/wiki/GreeItPyramidOfGizaWnteriorQuestions33-36LabeltheelementsofthediagramoftheGreatPyramidofGizausingwordsfromthebox.WestSouth1ANortEast4ZH国田IELTSADVANTAGELabellingaDiagramTheGreatPyramidAscendingPassageLowerChamberBedrockPitIrregularpathQueen/sChamberKingsChamberVerticalshaft
