2011年大學(xué)英語六級考試改錯練習(xí)題(46)

來源：育路教育網(wǎng)發(fā)布時間：2011-12-12

Every human being， no matter what he is doing， give off body heat. 1.______

The usual problem is how to dispose it. But the designers of the Johnstown 2.______

campus of the University of Pittsburgh set themselves an opposite 3.______

problem ---how to collect body heat. They have designed a collection

system which uses not only body heat， but the heat gives off by 4.______

such object as light bulbs and refrigerators as well that no 5._______

convention fuel is needed to make the campus’s six buildings comfortable. 6.______

Some parts of the most modern buildings ---theatres and offices as well as 7.______

classrooms---are more than adequately heat by people and sometimes must be 8._____

air-conditioned even in winter. The technique of saving heat and redistributing it

are called “heat recovery”。 A few modern buildings recover heat， but the University’s 9.___

system is the first to recover heat from some buildings and reuse it in others.

Along the way， Pitt has learned that the harder a student studies， the less heat 10.______

his body gives off. Male students emit more heat than female students， and the

larger a student， the more heat he produces.

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