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  3. (1) The Akashi Kaikyo Bridge in southern Japan is one of the world’s longest bridges. The Akashi Kaikyo Bridge spans the Akashi

(1) The Akashi Kaikyo Bridge in southern Japan is one of the world’s longest bridges. The Akashi Kaikyo Bridge spans the Akashi

admin2022-04-02  31
问题     (1) The Akashi Kaikyo Bridge in southern Japan is one of the world’s longest bridges. The Akashi Kaikyo Bridge spans the Akashi Strait, connecting Awaji Island to Kobe, an important industrial center. The bridge has a span of 5973 feet (1991 meters), making it over 25% longer than its nearest competition: the Humber Bridge in England. Strangely, there may be longer bridges in the world, but the Guinness Book of World Records measures the longest bridges according to their record-breaking spans.
    (2) The Akashi Kaikyo Bridge is a suspension bridge. This means that the roadway is suspended from pillars by cables. The concrete pillars have to be tall enough to support the whole weight of the bridge. The pillars on the Akashi Kaikyo Bridge are 900 feet tall. These pillars had to be built to withstand not only huge waves but also high-speed winds, and possibly even violent earthquakes, which are not uncommon in the area. The bridge has survived one earthquake already: its span was extended by more than 3 feet by the Kobe earthquake of 1995.
    (3) The cables weigh 50,000 tons and have a diameter of almost four feet each. Each cable contains 290 hexagonal strands; each strand is composed of 127 steel wires. The total length of the wire used is more than 200,000 miles, enough to circle the Earth 7.5 times!
    (4) The first plans to connect Kobe to Naruto via Awaji Island were voiced in 1955, but it took the government thirty years to decide to really build the bridge. The next three years were spent surveying the site and construction commenced in 1988. In designing the bridge, special consideration was given to its effect on the surroundings, great emphasis was placed on a "pleasing balance between light and shade" and also on the choice of the perfect color.
    (5) The construction of the bridge was a very complicated and technologically draining process, which took ten years to complete. Casting concrete in 300 feet of water, installing special pilot ropes over the strait by helicopter, and finally stretching the gigantic steel cables surely wasn’t an easy job. Ten years after construction commenced in 1988, the bridge was finished and the six-lane highway finally opened to traffic.
    (6) The bridge has made the transportation from island to island much easier, so in addition to breaking a record, the Akashi Kaikyo Bridge achieves the main goal of a bridge: to connect two places.
The article states that________.
选项 A、each cable is composed of 127 steel wires
B、cables are made of steel
C、the earth is round
D、the strands are round
答案B
解析 细节题。题干中没有出现任何定位关键词，所以需要依靠选项中的信息在文中寻找答题内容。选项A提到的“cable”和“steel wires”在文章第三段出现：Each cable contains 290 hexagonal strands；each strand is composed of 127 steel wires. ”所以一根牵引缆绳要含有290×127根钢筋。选项B从“127 steel wires”可以看出的确是由钢制成的。选项C文中并没提到，虽然从“circle the Earth 7. 5 times”可以推出，但这不符合题目中 “state”的要求。选项D中所述的圆形与“hexagonal(六角形)”不符。
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