A.Red
B.Blue
C.Alternating red and blue
D.Purple
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A.broadcast
B.broadcasted
C.are broadcast
D.are broadcasted
A.Radio Dalian
B.Radio Guangzhou
C.Radio Singapore
D.Radio Bangkok
A.precipitation
B.clear，cool weather
C.humid，sticky weather
D.cool fogs
A.visibility
B.winds
C.sea
D.fog
A.visibility
B.winds
C.sea
D.fog
最新試題
MIST is caused by（）.
In the Southern Hemisphere winds in a low pressure system rotate in a（）.
Which of the following is not a wind（）.
When experiencing heavy winds，you should reef sails to（）.
Which type of precipitation is a product of the violent convection found in thunderstorms（）.
In the Northern Hemisphere，if your vessel is in a hurricane’s navigable semicircle it should be positioned with the wind on the（）.
The passing of a low pressure system can be determined by periodically checking the（）.
The moisture equilibrium chart can be used to determine the（）.
Wen a hurricane passes over colder water or land and loses its tropical characteristics，the storm becomes a（n）（）.
Steady precipitation is typical of（）．