单项选择题
A.starboard bow，note the course，and head in that direction
B.starboard quarter，note the course，and head in that direction
C.port quarter，note the course，and head in that direction
D.port bow，note the course，and head in that direction
单项选择题 In the Northern Hemisphere，a wind that shifts counterclockwise is a（）.
单项选择题 In the Northern Hemisphere you are caught in the dangerous semicircle with plenty of sea room available. The best course of action is to bring the wind on the（）.
单项选择题 In the Northern Hemisphere the major ocean currents tend to flow（）.