A.westerly
B.parallel to the isobars in the warm sector
C.toward the nearest high pressure area
D.faster than the accompanying cold front
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A.clearing weather
B.that a warm front has passed
C.probable thunderstorm activity
D.an approaching hurricane or typhoon
A.vertical air movements
B.heavy rainstorms
C.horizontal air movements
D.any movement of moist air
A.Skull and crossbones
B.Yellow and white
C.Red and white
D.White and black
A.soft clay
B.hard mud
C.very soft mud
D.sand
A.immediately after restoring vital services
B.immediately
C.following control of flooding
D.following establishment of fire boundaries
最新試題
Considering the general circulation of the atmosphere，the wind system between latitudes 30°N and 60°N is commonly called the（）.
Day-shapes must be displayed（）.
Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate（）.
Diesel powered industrial trucks on a ship that are provided with safeguards to the exhaust，fuel，and electrical systems are designated（）.
Charts showing the coast of Mexico are produced by the United States（）.
Consideration should be given in planning for the mooring orientation in a new location so that in adverse weather a crane is available to off-load the supply vessel on what side of the unit?（）
Clouds form（）.
Denebola is found in what constellation?（）
Conventional anchors are least likely to hold in a bottom consisting of（）.
Corrosive liquids and acids should have which kind of label?（）