2. 外语
  3. An award-winning subterranean skyscraper was recently completed at the University of Minnesota. Designed by David Bennett, the b

An award-winning subterranean skyscraper was recently completed at the University of Minnesota. Designed by David Bennett, the b

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问题     An award-winning subterranean skyscraper was recently completed at the University of Minnesota. Designed by David Bennett, the building plunges 110 feet beneath the campus, peeking above the surface a mere 20 feet.
    You might think it would be dreary inside the building. But a large percentage of the usable space has access to natural light. A" telewindow "on the roof projects a view of the street via a series of lenses and mirrors. In addition,an array of reflective lenses mounted on a panel on the roof beams sunlight 60 feet down.
    " Traditional cities have too much aboveground construction, " says David Bennett. " Green space is lost and the view is disturbed. Future cities will probably be more subterranean than they are today. "
    Why build down instead up? Energy conservation is one. reason. Says Bennett, "Minnesota’s climate varies by a hundred and thirty degrees Fahrenheit, but twenty-five feet underground, the temperature remains at about fifty degrees all year round. " Subterranean construction also permits more visually pleasing land use — for instance, the preservation of an unobstructed view of historic landmark.
It is not boring inside Bennett’s new building because______.
选项 A、there is a telewindow on the roof projecting the outside view
B、there are lenses and mirrors on all floors
C、there is an array of lenses reflecting sunlight
D、both A and C
答案D
解析 从文章的第二段我们可以找到答案。故正确的答案为D。
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