单项选择题
No damage of any kind()aids to navigation or navigation facilities.
A.should be done to B.should not be done to C.must be done with D.must not be done with
单项选择题 My vessel maneuvering()difficulty.Please keep well clear()me.
单项选择题 Making water rapidly in all holds,all passengers and crew were ordered on deck()and all boats were lowered to rail.
单项选择题 Let()the real fact of the accident.