单项选择题
At 0900，you take the following radar ranges: Watch Hill Point 5.4 miles; Block Island Grace Point 8.3 miles. Which statement is TRUE? （）
A.You are within 3 nautical miles of the coast B.The bottom in the area is sand and gravel C.The fix is indeterminate D.You are governed by the Inland Rules
单项选择题 A passenger vessel is underway. When may passengers visit the pilothouse? （）
单项选择题 During a storm，the chance of fatigue failure of a mooring line will increase as（）.
单项选择题 The damage to the hatch cover was caused by your stevedores，and you ought to have known we never（）lies.
