A.steady，constant winds
B.frequent rain showers and thunderstorms
C.steep pressure gradients
D.low relative humidity
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A.high winds
B.high overcast clouds
C.calm or light winds
D.fog or steady rain
A.north to south
B.south to north
C.east to west
D.west to east
A.3 times the depth of water
B.6 times the depth of water
C.10 times the depth of water
D.15 times the depth of water
A.pull the unit in the same direction that the weather is pushing it
B.pull the unit in the opposite direction that the weather is pushing it
C.tend to keep the unit on its original location over the well head
D.affect the unit's draft and inclination as maximum mooring tensions are reached
A.on the starboard quarter，hold course and make as much way as possible
B.2 points on the port quarter，and make as much way as possible
C.on the port bow，and make as much way as possible
D.dead ahead and heave to
最新試題
Your facsimile prognostic chart indicates that you will cross the cold front of a low pressure system in about 24 hours.You should（）.
The moisture equilibrium chart can be used to determine the（）.
Steady precipitation is typical of（）．
The doldrums are characterized by（）.
If you observe the point of cloud convergence shifting to the right and the “bar”of the storm appears to move along the horizon（）.
Which condition suggests that your present position lies in the navigable semicircle of a tropical storm（）.
When a tornado moves over the water from land it is called a（）.
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（）.
Which type of precipitation is a product of the violent convection found in thunderstorms（）.
The wind is（）and decreasing.