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3、衡中同卷2024高三二轮专题卷答案英语
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hen the Romans made the mixture,they heated up the limesto totu it into quicklime,techemica.Quicklime reacted with water and produced heat that set upa chemicalfoundation to strengthen the building material.Meanwhile,it would "wear"a hard "shell"forming limestone pieces.It was these pieces that stopped the cracks()from becomingbigger.When there was rain,the pieces reacted with water again,quickly filling the cracks.For material scientist Ainissa Ramirez,this new understanding of ancient Roman concrete isa welcome discovery."This is one way that the material can be greener,"says Ramirez,"TheRomans made the material.We had to kind of figure out how they did it so that we can makebetter materials-and then,you know,in turn,be better guards of our environment."的sY32.Why could Roman Colosseum still exist according to the text?A.It was rebuilt constantly.B.It met few natural disasters.C.It contained a special material.D.Its shape increased the stability33.What is the function of the limestone pieces?A.To purify the concrete:B.To react with volcanic material.高C.To make the structure water-proof.PD.To cnable the building to repair itself.总34.What does the underlined word"it"in paragraph 3 refer to?B.The foundation.C.The quicklime.D.The limestone.35.What can be inferred from Ainissa Ramirez's words?.A.Architects can get inspiration from ancient structures.B.The Romans'building method remains a secret till now.C.Romans'wisdom throws light on eco-friendly architecture.D.Scientists are exploring how to guard the ancient civilization.高三英语（二）第9页（共14页）