这道题的内容来源于第八段,作为放风筝理论的补充证据,这句话对应原文"And they are known to have used wooden pulleys, which could have been made strong enough to bear the weight of massive blocks of stone. ",故填wooden pulleys。 反馈 收藏
Another theory is thatthe stones were pulled directly up the faces of the pyramids using sledges made of wood.This is a possibility, although no tracesof pulleys, cranes, or some of the othertechniques have ever been found; they may have eroded in the proceeding centuries. ...
Davidovits claimed that the stones of the pyramids were actually made of a very early form of concrete created using a mixture of limestone, clay, lime, and water. Sign up for the Live Science daily newsletter now Get the world’s most fascinating discoveries delivered straight to your inbox....
A. The pyramids were made of water. B. The British scientists know more about the pyramids. C. Each pyramid is as heavy as a rhino. D. The Great Pyramid of Giz a is the oldest pyramid.( )3. What did the workers use to build their boats with? A. Rope. B. Wood. C. Bamboo. ...
When nearly complete, each of the Giza pyramids was furnished with a smooth outer casing made of limestone. Little of this outer casing remains today, having been reused for other building projects in Egypt over the millennia. The papyri found at Wadi al-Jarf said that the limestone used in...
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How are pyramids made? Pyramids of Giza: The most well-known Egyptian pyramids were constructed at Giza between 2589 and 2504 B.C.E. and were constructed for Fourth Dynasty pharaoh Khufu and his immediate family. The pyramids were built alongside of the sphinx, which represented the sun god ...
We don't know for sure how the pyramids were built. Most scholars agree that construction provided employment for peasants when the Nile River's annual flooding kept them from tending their farms. They've always been a popular tourist destination, and Egyptians as well as ardent admirers of Kh...
There are, still, plenty of things we don't know about the construction of the pyramids, but these uncertainties are in the details, not the major facts. The largest single question — literally the largest — is what type of ramps were used. As the pyramids grew during construction, ramps...
【题】 No one is sure how the ancient Egypt ians built the pyramids near Cairo . But a ne w study suggests they use d a little rock'n'rol I . Long ago builders coul d have attache d wood cn poles to the stones an d rolle d them across the san d , the scientists say."T cc...