单项选择题
A.set the vessel to the left
B.set the vessel to the right
C.offer resistance in the form of a head current
D.furnish additional thrust in the form of a fair or following current
单项选择题 On a voyage from Capetown to London，the favorable ocean current off the coast of Africa is the （）.
单项选择题 Lateral movement of the vessel to leeward of its course defines （）.
单项选择题 Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）