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

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

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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.
选项 A、future buildings will have only 20 ~,6 of their structure above the ground.
B、more future buildings will go subterranean than they do today.
C、only constructions of historic interest will remain above the ground.
D、subterranean structures will all go 110 feet into the earth.
答案B
解析
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