單項選擇題

（） is the control of temperature and humidity in a space together with the circulation, filtering and refreshing of the air.

A.Refrigeration
B.Air conditioning
C.Ventilation
D.Heating

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單項選擇題

One of the functions of ventilation is to （） the humidity of spaces containing sources of moisture, or to （） the temperature of spaces not mechanically cooled such as the engine room.

A.increase；reduce
B.reduce；increase
C.increase；increase
D.reduce；reduce

單項選擇題

Air conditioning is the process of treating air to control （） its temperature, humidity, cleanliness and distribution to meet the comfort requirements of the occupants of the conditioned space.

A.instantaneous
B.instantaneously
C.simultaneous
D.simultaneously