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. _________(51)
A.wonderful B.delightful C.helpful D.careful正确答案A
