单项选择题
A.a high pressure area with cool, dry air and fair weather B.a high pressure area with warm, moist air and inclement weather C.horse latitudes, with rough seas and strong winds D.a heavy squall line near the “H”
There are often three parts in a weather report, not in...
单项选择题There are often three parts in a weather report, not including（）
A.warning B.general synopsis C.forecast D.traffic density
Which of the following is defined as static information...
单项选择题Which of the following is defined as static information of AIS?（）
A.Navigational status B.Safety related messages C.MMSI D.Route plan
When hitting a solid object such as ship or an airplane...
单项选择题When hitting a solid object such as ship or an airplane,the radar waves are reflected back（）they came.
A.in the way B.the way C.by the way D.through the path
