A.It provides a legal reason to cancel a projected voyage
B.It allows the mariner to make long term weather forecasts
C.It is of little benefit since the weather changes frequently and rapidly
D.It gives the mariner time to prepare for weather changes
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A.windy showers
B.showers with winds
C.wintry showers
D.showery winds
A.temperature
B.visibility
C.predicted weather for the next twelve hours
D.barometric pressure and change in the last three hours
A.Commercial radio broadcasts
B.The Coast Guard on scheduled marine information broadcasts
C.VHF-FM continuous marine weather broadcasts provided by the National Weather Service
D.All of the above
A.Given only to TV stations
B.Transmitted only by commercial broadcast stations
C.Broadcast in plain language
D.Broadcast immediately on VHF Channel 16 and 2182 kHz
A.Eastward
B.Westward
C.Northward
D.Southward
最新試題
Which of the following statements concerning frontal movements is TRUE（）.
OWING TROPICAL STORM9706 CROSSING OUR/COURSE PLSPERMIT SHELTERING KAGOSHIMA KAIWAN. This cable indicates that（）.
The eye of a hurricane is surrounded by dense black cumulonimbus clouds which are called the（）.
When force of winds reaches 10-11 in Beaufort scale，we usually call such wind（）.
What benefit is a weather bulletin to a mariner（）.
The area of strong westerly winds occurring between 40°S and 60°S latitude is called the（）.
HIGH WAVES；DENSE STREAKS OF FOAM ALONG THE DIRECTION OF THE WIND；CRESTS OF WAVES BEGIN TO TOPPLE，TUMBLE AND ROLL OVER；SPRAY MAY AFFECT VISIBILITY.This condition is likely to be termed（）.
Which of the following is not a frontal term（）.
Weather conditions in the middle latitudes generally move（）．
When a high pressure system is centered north of your vessel in the Northern Hemisphere（）.