A.high relative humidity
B.frequent showers and thunderstorms
C.steep pressure gradients
D.frequent calms
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A.steady，constant winds
B.frequent rain showers and thunderstorms
C.steep pressure gradients
D.low relative humidity
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
最新試題
In the Northern Hemisphere，if your vessel is in a hurricane’s navigable semicircle it should be positioned with the wind on the（）.
Which condition indicates that you are in a hurricane’s dangerous semicircle in the Northern hemisphere（）.
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 type of precipitation is a product of the violent convection found in thunderstorms（）.
In the Northern Hemisphere a wind is said to veer when the wind（）.
Two well-developed high pressure areas may be separated by a（）.
When experiencing heavy winds，you should reef sails to（）.
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（）.
In the Northern Hemisphere，when the wind at your location is northerly，the low pressure center causing the wind is located to your（）.
In the Northern Hemisphere，an observer at point II in the weather system should experience a wind shift from the（）.