单项选择题
When carrying out a parallel track search pattern，the course of the search units should normally be which of the following?（）
A.In the same direction as the anticipated drift B.In the opposite direction of the anticipated drift C.Perpendicular to the line of anticipated drift D.Downwind
单项选择题 VHF Channel 6 is used exclusively for what kind of communications?（）
单项选择题 The term MODERATE SPEED was previously interpreted as meaning a speed which would enable a vessel（）within half the range of visibility.
单项选择题 The term BOLLARD PULL refers to a towing vessel’s（）.
