单项选择题
In the stowage of deck cargo，cribbing is（）.
A.placed on deck to support the cargo B.separation pieces used to keep cylinders upright and steady C.shims for stowing baled cargo D.nets placed across the hatch opening to keep the cargo from falling in the hatch
单项选择题 In order to help protect a natural fiber rope from rotting，the line must be（）.
单项选择题 In order to correctly open a new coil of manila line，you should（）.
单项选择题 If your vessel has a list to port due to negative GM and off-center weight，the first corrective measure you should take is to（）.
