2. 外语
  3. Every human being, no matter what he is doing, gives off body heat. The usual problem is how to dispose of it. But the designers

Every human being, no matter what he is doing, gives off body heat. The usual problem is how to dispose of it. But the designers

admin2012-08-03  105
问题     Every human being, no matter what he is doing, gives off body heat. The usual problem is how to dispose of it. But the designers of the Johnstown campus of the University of Pittsburgh set themselves the opposite problem—how to collect body heat. They have designed a collection system which utilizes not only body heat, but also the heat given off by such objects as light bulbs and refrigerators as well. The system works so well that no conventional fuel is needed to make the campus’s six buildings comfortable.
    Some parts of most modern buildings—theaters and offices as well as classrooms—are more than amply heated by people and lights and sometimes must be air-conditioned even in winter. The technique of saving heat and redistributing it is called"heat recovery. "A few modern buildings recover heat, but the University’s system is the first to recover heat from some buildings and re-use it in others.
    Along the way, Pitt has learned a great deal about some of its heat producers. The harder a student studies, the more heat his body gives off. (80) Male students emit more heat than female students do, and the larger a student is, the more heat he produces. It is tempting to conclude that the hottest prospect for the Johnstown campus would be a hardworking, overweight male genius.
The phrase"heat recovery"refers to a______.
选项 A、method of concealing the source of heat
B、special form of air-conditioning
C、supplementary hot water system
D、way of reclaiming and re-using heat
答案D
解析 回收再利用热能。此题考查考生对全文的总结能力，以及reclaim和re-use的词义。
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