单项选择题
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）
A.List of Lights B.Coast Pilot C.Sailing Directions D.List of Radiobeacons
单项选择题 If the officer on watch is in any doubt as to the pilot’s actions，or intentions，he should （）.
单项选择题 Gangway （）with pilot ladder on my starboard side．
单项选择题 From （）the mariner can understand the data of tide．
