单项选择题

The phrase "heat recovery" refers to a （）.

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

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热门试题

单项选择题

Which of the following is true of the heating system of the Johnstown campus（）

A．The heat is supplied by human bodies only.
B．The heat is supplied by both human bodies and other heatemitting objects.
C．The heat is supplied by both human bodies and conventional fuel.
D．The heat is supplied by human bodies, other heatemitting objects, and conventional fuel.

单项选择题

According to the passage which of the following would produce the LEAST amount of heat（）

A．A fat female who studies hard.
B．A thin female who does not study.
C．A fat male who does not study.
D．A thin male who studies har