单项选择题

A.HurricaneB.Tropical disturbanceC.Tropical depressionD……

Tropical cyclones are classified by form and intensity.Which system does not have closed isobars（）.

A.Hurricane
B.Tropical disturbance
C.Tropical depression
D.Cyclone

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热门试题

单项选择题The wind is（）and decreasing.

A.anticlockwise rotating
B.anticlock rotating
C.clockwise rotating
D.clock rotating

单项选择题The strong wind will make us（）here for some days.

A.To stay
B.Staying
C.Stay
D.Stayed

单项选择题The southeast trade winds actually blow toward the（）.

A.Southeast
B.South
C.East
D.Northwest

单项选择题The passing of a low pressure system can be determined by periodically checking the（）.

A.Thermometer
B.Hygrometer
C.Barometer
D.Anemometer

单项选择题The moisture equilibrium chart can be used to determine the（）.

A.Absolute moisture content of the air surrounding a hygroscopic cargo when moisture equilibrium exists
B.Dew point temperature that the air surrounding a hygroscopic commodity will have when in moisture equilibrium with that commodity
C.Enthalpy of the air surrounding a hydroscopic cargo which is in moisture equilibrium with the cargo
D.Temperature at which moisture equilibrium will occur in a cargo hold containing a hygroscopic cargo