Some houses are designed to be smart. Others have smart designs. An example of the second type of house won an Award of Excellen

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问题     Some houses are designed to be smart. Others have smart designs. An example of the second type of house won an Award of Excellence from the American Institute of Architects.
    Located on the shore of Sullivan’s Island off the coast of South Carolina, the award-winning cube-shaped beach house was built to replace one smashed to pieces by Hurricane (飓风) Hugo 10 years ago. In September 1989, Hugo struck South Carolina, killing 18 people and damaging or destroying 36,000 homes in the state.
    Before Hugo, many new houses built along South Carolina’s shoreline were poorly constructed, and enforcement of building codes wasn’t strict, according to architect Ray Huff, who created the cleverly-designed beach house. In Hugo’s wake, all new shoreline houses are required to meet stricter, better-enforced codes. The new beach house on Sullivan’s Island should be able to withstand a Category 3 hurricane with peak winds of 179 to 209 kilometers per hour.
    At first sight, the house on Sullivan’s Island looks anything but hurricane-proof. Its red wood shell makes it resemble "a large party lantern (灯笼)" at night, according to one observer. But looks can be deceiving. The house’s wooden frame is reinforced with long steel rods to give it extra strength.
    To further protect the house from hurricane damage, Huff raised it 2. 7 meters off the ground on timber pilings—long, slender columns of wood anchored deep in the sand Pilings might appear insecure, but they are strong enough to support the weight of the house. They also elevate the house above storm surges. The pilings allow the surges to run under the house instead of running into it. "These swells of water come ashore at tremendous speeds and cause most of the damage done to beach-front buildings," said Huff.
    Huff designed the timber pilings to be partially concealed by the house’s ground-to-roof shell. "The shell masks the pilings so that the house doesn’t look like it’s standing with its pant legs pulled up," said Huff. In the event of a storm surge, the shell should break apart and let the waves rush under the house, the architect explained. (358 words)
The main function of the shell is______.

选项 A、to strengthen the pilings of the house
B、to give the house a better appearance
C、to protect the wooden frame of the house
D、to slow down the speed of the swelling water

答案B

解析 本题属于细节推断题。文章的结构非常清晰,讲围板的内容完全限定在最后一段。这一段一共三句话,第一句“Huff designed the timber pilings to be partially concealed by the house’s ground—to—roof shell”,这里介绍的是围板的功能:遮住部分木桩。但这句话没有讲遮住的目的是什么。第二句用Huff的话交代了目的:“the house doesn’t look like it’s standing with its pant legs pulled up”,使房子不至于看起来像是光着腿——这应该是出于美观的考虑。第三句附带说明围板并不会影响海水从屋底通过。因此应该选择B。
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