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职称英语考试综合A级补全短文专题训练
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The World'.s Longest Bridge
Rumor has it that a legendary (传说的) six-headed monster lurks in the deep waters of the Tyrrhenian Sea between Italy and 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. "That'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 (峡谷). A suspension bridge needs just two towers to shoulder the structure's mammoth ( 巨大的 )weight, thanks to hefty (高强度的)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 (结实的 )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-tall steel towers. _________ (48) Getting these cables up will be something. It's not just their length -- totally 5.3 kilometers -- 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 (拽) 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)
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.
试题答案及解析
46.C。选项C中有一个关键词beast，与第一句中的monster相呼应。所以C是答案。
47.B。第二段第二句的主语是they。由于表语是suspension bridges，they替代的一定是前面句子出现过的bridges。六个选项中，只有B含有bridges。填在第二段段首，意思连贯。
48.E。空白处前面的句子中有the first job这几个词。有first，必有second/then。六个选项中，只有E含有the second job，所以E是答案。
49.F。空白处前面的句子说的是，把这些吊索吊高定位是有难度的，不仅仅由于它们很长，还由于它们很重。后面应该接着说吊索的情况，选项F具体地介绍了它们的重量。
50.D。空白处前面的句子说的是，桥桩很重要。后面接着还应该说桥桩的事情，选项D解释了桥桩的作用，故选D。
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