（）refers to the paint on the freeboard.

单项选择题Cleaning holds are to clean hold from （）.

A. fore to aft
B. aft to fore
C. left to right
D. right to left

单项选择题The holds are divided by （）.

A.bulkhead
B.bulwark
C.bitumen
D.waterline

单项选择题The function of （）is to prevent sailors from overboarding.

A.bulwark
B.bulkhead
C.bitumen
D.waterline

单项选择题The （）has four blades.

A.windlass
B.steer
C.propeller
D.helm

单项选择题The main body of a vessel is the （）.

A.hull
B.superstructure
C.engine room
D.poop