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

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 awardwinning cubeshaped 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 cleverlydesigned beach house. In Hugo’s wake, all new shoreline houses are required to meet stricter, betterenforced 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 hurricaneproof. Its redwood 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 in secure, 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 beachfront buildings," said Huff.
    Huff designed the timber pilings to be partially concealed by the house’s groundtoroof shell. "The shell masks the pilings so that the house doesn’t look like it’s standing with its pant legs pulled up," Mid Huff. In the event of a storm surge, the shell should break a part and let the waves rush under the house, the architect explained.
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 细节判断题。根据文章最后一段的第二句话“用外壳遮盖木桩是为了使房子看起来不至于像一个人提着裤腿”，也就是让它更好看的意思，故选项B)正确。
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