单项选择题
As operator of a 199 GT towing vessel sailing foreign，it shall be your duty to enter in the Official Logbook or other permanent record（）.
A.all information contained on the barge's Certificate of Inspection B.the condition of all towing gear to be used C.all navigational aids to be used D.the barges load line and draft readings
单项选择题 An offshore drilling unit must be equipped with a first aid kit approved by the（）.
单项选择题 An offshore drilling unit is required to carry on board an operations manual approved by the （）.
单项选择题 According to the regulations，the capacity of a liferaft is required to be marked（）.
