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  3. 共用题干 The World's Longest BridgeRumor ha

共用题干 The World's Longest BridgeRumor ha

免费题库2022-08-02  13
问题 共用题干The World's Longest Bridge
Rumor has it that a legendaiy six-headed monster lurks in the deep waters of the Tyrrhenian Sea between Italy arid the island of Sicily.______(46)When completed in 2010,the world's longest bridge will weigh nearly 300,000 tons-equivalent to the iceberg that sank the Titanic-and stretch 5 kilometers long."Tha.t's nearly 50 percent longer than any other bridge ever built."says structural engineer Shane Rixon.
_______(47)They're suspension bridges,massive structures built to span vast water channels or gorges.A suspension bridge needs just two towers to shoulder the structure's mammoth weight,thanks to hefty supporting cables slung between the towers and anchored firmly in deep pools of cement at each end of the bridge.The Messina Strait Bridge will have two 54,100-ton towers,which will support most of the bridge's load.The beefy cables of the bridge,each 1.2 meter in diameter,will hold up the longest and widest bridge deck ever built.
When construction begins on the Messina Strait Bridge in 2005,the first job will be to erect two 370 meter-tail steel towers.______(48)Getting these cables up will be something.It's not just their length-totally 5.3 kilorneters-but their weight.______(49)
After lowering vertical"suspender"cables from the main cables,builders will erect a 60 meter-wide 54,630-ton steel roadway,or deck-wide enough to accommodate 12 lanes of traffic.The deck's weight will pull down on the cables with a force of 70 ,500 tons.In return,the cables yank up against their firmly rooted anchors with a force of 139,000 tons-equivalent to the weight of about 100,000 cars.Those anchors are essential. _______(50)______(50)A:Some environmentalists are against the project on biological grounds.B:What do the world's longest bridges have in common?C:If true,one day you might spy the beast while zipping（呼啸而过）across the Messina Strait Bridge.D:They're what will keep the bridge from going anywhere.E:The second job will be to pull two sets of steel cables across the strait,each set being a bundle of 44,352 individual steel wires.F:They will tip up the scales at 166,500 tons-more than half the bridge's total mass.
选项 ______(50)
A:Some environmentalists are against the project on biological grounds.
B:What do the world's longest bridges have in common?
C:If true,one day you might spy the beast while zipping（呼啸而过）across the Messina Strait Bridge.
D:They're what will keep the bridge from going anywhere.
E:The second job will be to pull two sets of steel cables across the strait,each set being a bundle of 44,352 individual steel wires.
F:They will tip up the scales at 166,500 tons-more than half the bridge's total mass.
答案 D
解析 前面一句讲的是传说在Tyrrhenian Sea里有一头传说中的六头怪兽。C项中有一个关键词beast与第一句中的monster相呼应。故选C。
由第二段第二句话“They ' re suspension bridges …”可知，此句说的是桥梁的一些特征，而they指代的一定是前面出现过的bridges。六个选项中只有B项中有bridges，且填在第二段首句中意思连贯。故选B。
前面一句讲的是第一项工作是竖立起两座370米高的铁塔。根据逻辑关系，有the first,后面应该有表示次序的词。六个选项中，只有E项中的the second job是表示次序的，故选E。
前面一句讲的是把这些吊索吊高定位是有难度的，因为它们不仅长而且重。F项介绍了它们的重量，与前面句子紧密相连。故选F。
前面一句讲的是这些桥桩很重要。为什么重要呢？D项解释了桥桩的作用―这些桥桩防止了桥的随便移动，且意思连贯。故选D。
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