单项选择题
A.meteorological warnings B.navigational warnings C.search and rescue information D.meteorological forecast
NAVTEX transmissions have a designed range of about（）na...
单项选择题NAVTEX transmissions have a designed range of about（）nautical miles.
A.300 B.400 C.500 D.600
The NAVTEX receiver can be mounted on（）.A.on the bridge...
单项选择题The NAVTEX receiver can be mounted on（）.
A.on the bridge B.in the coast station C.on the forecastle D.on starboard side
Ships at sea are in urgent need of MSI because they are...
单项选择题Ships at sea are in urgent need of MSI because they are（）various kinds of danger.
A.subject for B.liable to C.easy to meet D.always encounter
