單項選擇題A sylphon cell is a part of a().

A.maximum thermometer
B.barograph
C.thermograph
D.hygrometer


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1.單項選擇題A sea breeze is a wind().

A.that blows towards the sea at night
B.that blows towards an island during the day
C.caused by cold air descending a coastal incline
D.caused by the distant approach of a hurricane

2.單項選擇題A millibar is a unit of().

A.humidity
B.precipitation
C.pressure
D.temperature

3.單項選擇題A microbarograph is a precision instrument that provides a().

A.charted record of atmospheric temperature over time
B.charted record of atmospheric pressure over time
C.graphic record of combustible gases measured in an atmosphere
D.graphic record of vapor pressure from a flammable/combustible liquid