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    At Dallas/Fort Worth Airport, the lights are controlled by sensors that measure sunlight. They dim immediately when it's sunny and brighten when a passing cloud blocks the sun.

   A wall of windows at a University of Pennsylvania engineering budding has built-in blinds (百頁窗) controlled by a computer program that follows the sun's path.

   Buildings are getting smarter -- and the next generation of building materials

expected to do even more.

   Windows could catch the sun's energy to heat water. Sensors that measure the carbon

dioxide breathed out by people in a mom could determine whether the air conditioning needs to be turned up.

   Many new materials and technology have been designed in the last 15 years. They now being used in a wave of buildings designed to save as much energy as possible. They include old ideas, like "green roofs," where a belt of plants on a roof helps the building keep heat in winter and stay cool in summer, and new ideas, like special coating for windows that lets light in, but keeps heat out.

   As technologies such as sensors become cheaper, their uses spread.

   The elevators (電梯) at Seven World Trade Center, which is under construction in New York, use a system that groups people traveling to nearby floor into the same elevator, thus saving elevator stops. People who work in the building will enter it by swiping (刷) ID cards that will tell the elevators their floor; readouts will then tell them which elevator to use. The building also has windows with a coating that blocks heal while letting in light.

   More new building materials and technology are in development. A Philadelphia building farm is now working on "smart wrap" that uses tiny solar collectors to catch the

sun's energy and transmitters (傳感器) the width of a human hair to move it. They are expected to change the face of the construction industry in the next ten years or so.

72. __ will be developed and used in the construction industry.

     A. "Green mops" that cool or heat buildings

     B. "Smart wrap" that catches the sun's energy

     C. Sunlight-measuring sensors that control lights

     D. Window coating that lets light in, but keeps heat out                          

73. The elevators at Seven World Trade Center are special because they can ___

     A. send people to floors with fewer stops

     B. teach people how to use their ID cards

     C. make people stay very cool in summer

     D. help people go traveling in the building                                                

74. The underlined word "it' in the last paragraph refers to _____.

     A. a human being            B. smart wrap

     C. the sun's energy                 D. a transmitter                   

75. What might be the most suitable title for the text?

     A. Buildings Are Becoming Smarter

     B. Buildings Are Getting More Sunlight

     C. Buildings Are Lacking in Much Energy

     D. Buildings Are Using Cheaper Materials              

72.B 

解析:我們可以以文章最后一句為根據(jù)。

73.A 

解析:根據(jù)文章倒數(shù)第二段為根據(jù)。

74.C 

解析:通過句子分析可以看出。文章在最后一段第二句to catch the sun’s energy and… to move it這句話由and連接,顯然是并列的成分,由此可以判斷提it指代的是the sun’s energy。

75.A

解析: 主旨大意題。文章主要的介紹了現(xiàn)在和未來的新技術和新的建筑材料使用和看法方面的問題。

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     At Dallas/Fort Worth Airport, the lights are controlled by sensors that measure sunlight. They dim immediately when it's sunny and brighten when a passing cloud blocks the sun.

     A wall of windows at a University of Pennsylvania engineering building has built-in blinds (百葉窗) controlled by a computer program that follows the sun's path.

    Buildings are getting smarter -- and the next generation of building materials is expected to do even more.

     Windows could catch the sun's energy to heat water. Sensors that measure the carbon dioxide breathed out by people in a room could determine whether the air conditioning needs to be turned up.

     Many new materials and technology have been designed in the last 15 years. They now being used in a wave of buildings designed to save as much energy as possible. They include old ideas, like "green roofs," where a belt of plants on a roof helps the building keep heat in winter and stay cool in summer, and new ideas, like special coating for windows that lets light in, but keeps heat out.

     As technologies such as sensors become cheaper, their uses spread.

     The elevators (電梯) at Seven World Trade Center, which is under construction in New York, use a system that groups people traveling to nearby floor into the same elevator, thus saving elevator stops. People who work in the building will enter it by swiping (刷) ID cards that will tell the elevators their floor; readouts will then tell them which elevator to use. The building also has windows with a coating that blocks heat while letting in light.

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At Dallas/Fort Worth Airport, the lights are controlled by sensors that measure sunlight. They dim immediately when it’s sunny and brighten when a passing cloud blocks the sun.
A wall of windows at a University of Pennsylvania engineering building has built-in blinds (百葉窗) controlled by a computer program that follows the sun’s path. Buildings are getting smarter and the next generation of building materials is expected to do even more.
Windows could catch the sun’s energy to heat water. Sensors that measure the carbon dioxide breathed out by people in a room could determine whether the air conditioning needs to be turned up.
Many new materials and technology have been designed in the last 15 years. They are now being used in a wave of buildings designed to save as much energy as possible. They include old ideas, like “green roofs”, where a belt of plants on a roof helps the building keep heat in winter and stay cool in summer, and new ideas, like special coating for windows that lets light in, but keeps heat out.
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C.make people stay very cool in summer D.help people go traveling in the building
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【小題4】What might be the most suitable title for the text?
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A.“Green roofs” that cool or heat buildings
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【小題4】What might be the most suitable title for the text?
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A wall of windows at a University of Pennsylvania engineering building has built-in blinds (百葉窗) controlled by a computer program that follows the sun’s path. Buildings are getting smarter and the next generation of building materials is expected to do even more.

Windows could catch the sun’s energy to heat water. Sensors that measure the carbon dioxide breathed out by people in a room could determine whether the air conditioning needs to be turned up.

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More new building materials and technology are in development. A Philadelphia building firm is now working on “smart wrap” that uses tiny solar collectors to catch the sun’s energy and transmitters (傳輸器) as wide as a human hair to move it. They are expected to change the face of the construction industry in the next ten years or so.

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