单项选择题
The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to（）.
A.one-half the SWL of the main towing hawser B.three-fourths the SWL of the main towing hawser C.that of the main towing hawser D.twice that of the main towing hawser
单项选择题 The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.
单项选择题 The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is（）.
单项选择题 The lifeboat releasing gear lever should be marked with the words（）.
