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　　湖南省长沙市第一中学2015届英语阅读理解训练
　　阅读理解（A.B.C）
　　阅读理解A
　　No one is sure how the ancient Egyptians built the pyramids near Cairo.But a new study suggests they used a little rock‘n’roll.Long-ago builders could have attached wooden poles to the stones and rolled them across the sand,the scientists say.
　　“Technically,I think what they’re proposing is possible,”physicist Daniel Bonn said.
　　People have long puzzled over how the Egyptians moved such huge rocks.And there’s no obvious answer.On average,each of the two million big stones weighed about as much as a large picck.The Egyptians somehow moved the stone blocks to the pyramid site from about one kilometer away.
　　The most popular view is that Egyptian workers slid the blocks along smooth paths.Many scientists suspect workers first would have put the blocks on sleds(滑板).Then they would have dragged them along paths.To make the work easier,workers may have lubricated the paths either with wet clay or with the fat from cattle.Bonn has now tested this idea by building small sleds and dragging heavy objects over sand.
　　Evidence from the sand supports this idea.Researchers found small amounts of fat,as well as a large amount of stone and the remains of paths.
　　However,physicist Joseph West thinks there might have been a simpler way,who led the new study.West said,“I was inspired while watching a television program showing how sleds might have helped with pyramid construction.I thought,‘Why don’t they just try rolling the things?’”A square could be turned into a rough sort of wheel by attaching wooden poles to its sides,he realized.That,he notes,should make a block of stone“a lot easier to roll than a square”.
　　So he tried it.
　　He and his students tied some poles to each of four sides of a 30-kilogram stone block.That action turned the block into somewhat a wheel.Then they placed the block on the ground.
　　They wrapped one end of a rope around the bloclled.The researchers found they could easily roll the block along different kinds of paths.They calculated that rolling the blocired about as much force as moving it along a slippery(滑的)path.
　　West hasn’t tested his idea on larger bloct he thinks rolling has clear advantages over sliding.At least,worldn’t have needed to carry cattle fat or water to smooth the paths.
　　1.It’s widely believed that the stone blocks were moved to the pyramid site by______.
　　A.rolling them on roadsC.sliding them on smooth paths
　　D.dragging them on some poles
　　B.pushing them over the sand
　　2.The underlined part“lubricated the paths”in Paragraph 4 means______.
　　A.made the paths wet
　　B.made the paths hard
　　C.made the paths wide
　　D.made the paths slippery