金字塔英文介绍ppt课件.ppt

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1、-------byAnnaPyramidsPyramidsareoneoftheoldestofTheSevenWondersoftheAncientWorldandtheonlywonderstillstandingtoday.Thereareover90pyramidsinEgypt,allofwhichareontheWestBankoftheNileRiver.Thisisforareligiousreason;thisisthesideoftheNileRiverwherethesunsets.ThepyramidswerebuiltbyEgypt

2、iansundertheordersoftheEgyptianleader,whosetitlewasPharaoh（法老）.Pyramidsfunctionedastombsforpharaohs.NearthemoderncityofCairoliesthelargestandmostimposingconcentrationofpyramidsintheworld,thoseoftheGizaPlateau(高原).TheGizaPyramidswerebuiltduringthereignofKingKhufu.Theywerecompletedin

3、2580BC.ThePyramidsatGizawerenamedafterthreekings:Khufu(CheopsPyramid胡夫金字塔),Khafre卡法瑞(Khufu’sson,ChephrenPyramid夫拉金字塔),andMenkaure曼卡鲁(Khufu’sgrandson,Menkaure'sPyramid孟卡拉金字塔).ThelargestEgyptianpyramidbelongstothePharaohKhufuandisthealsoamongtheonlysevenancientwondersoftheworldstilli

4、nexistence.Thereare2.3millionstoneblocksinthispyramidandeachblockweighsanaverageof2.5to15tonseach.Theking'schamberisaccessedviatheGrandGalleryandthepyramidhasthreeburialchambers.theCheopsPyramidsWhoConstructedthePyramidsAnestimated20,000to30,000workersbuiltthePyramidsatGizaover80ye

5、arsandthelatestresearchrevealsthatitcouldhavetakenworkersbetweentwototwoandahalfminutestoseteachblock.Itisstillunclearwhobuiltthepyramids,buttheresearchhasalsorevealedthatthepyramidswerenotbuiltbyslavesbutbypaidlaborers,whohadfirmfaithinthedivinityandimmortalityoftheirPharaohs.Tool

6、sWhenthepyramidswerebuilt,theEgyptiansdidnothavemanymachines.Theyonlyhadsimpletools.Theydrovehammersandmallets(棒，槌棒；木槌)intochisels(n.凿子).Thishelpedtobreakoffsomepartsofthepyramid’sblocks.Trowelswerealsousedtobuildapyramid.Thishelpedtosmoothouttheblockssothattheywouldfittogether.金字塔

7、中的数字（金字塔底正方形的边长+金字塔底正方形的边长）÷金字塔的高，恰好约等于3.14，也就是π上行通道和水平面夹角是26°，而侧面与水平面的夹角是52°，恰好是26°的两倍！底周长*塔高=圆周：半径金字塔的重量×1000000000000000=地球的重量金字塔的高×10×10的9次方≈1.5亿千米=地球到太阳的距离金字塔塔高的平方=金字塔侧面三角形的面胡夫金字塔底边长230.36米，为361.31库比特（埃及度量单位），大约是1年的天数胡夫金字塔底面正方形的纵平分线延伸至无穷处，正是地球的子午线，这条纵平分线把地球上的陆地和海洋分成了两半，也把尼罗河口三

8、角洲平分；而底面正方形对角线延长，则能将尼罗河口三角