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
单项选择题The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called().
A.Pressure gradient B.Coriolis effect C.Aurora borealis D.Ballistic deflection
单项选择题The doldrums are characterized by().
A.Steady,light to moderate winds B.Frequent calms C.Clear skies D.Low humidity