共用题干 Giant StructuresIt is an impossible task to select the mos

共用题干 Giant StructuresIt is an impossible task to select the most amazing wonders of the modern world since every year more ________ (51)constructions appear. Here are three giant structures which are worthy of our admiration _______(52)they may have been surpassed by some more recent wonders.The Petronas TowersThe Petronas Towers were the tallest buildings in the world when they were completed in 1999.________(53)a height of 452 metres,the tall twin towers,like two thin pencils, dominate the city of Kuala Lumpur. At the 41 st floor,the towers are_________(54)by a bridge,symboli- zing a gateway to the city.The American architect Cesar Pelli designed the skyscrapers.Constructed of high- strength concrete,the building_______(55)around 1,800 square metres of office space on every floor. And it has a shopping centre and a concert hall at the base.Other_(56)of this impressive building include double-decker lifts,and glass and steel sunshades.The Millau BridgeThe Millau Bridge was opened in 2004 in the Tarn Valley,in southern France.Atthe ________ (57)it was built,it was the world'S highest bridge,_________(58)over 340m at the highest point.The bridge is described as one of the most amazingly beautiful bridges in the world.It was built to _________ ( 59 ) Millau ' s congestion(拥堵)problems. The bridge was built to withstand the ________(60)extreme seismic(地震的)and climatic conditions. Besides,it is guaranteed for 120 years!The Itaipu DamThe Itaipu hydroelectric power plant is one of the largest constructions of its kind inthe world. It_________(61)of a series of dams across the River Parana,_________(62)forms a naturalborder between Brazil and Paraguay.Started in 1975 and taking 16 years to complete,the construction was carried out as a joint project between the two________(63).The dam is well-known for both its electricity output and its size.In 1995 it produced 78% of Paraguay’s and 25% of Brazil’s_________(64)needs.In its construction,the amount of iron and steel used was equivalent to over 300 Eiffel Towers.It is a ________(65)amazing wonder of engineering. _________(53)

A.In

B.With

C.Above

D.On

正确答案是B