The sailor working aloft should wear （）.

单项选择题Secure your safety harness when working （）.

A.aloft
B.outboard
C.A&B
D.inboard

单项选择题Rig （）on both side of the bow.

A. the gangway
B. the paint boards
C. the pilot ladder
D. all of the above

单项选择题Sufficient time should be given for each coat to （）.

A.blow
B.clean
C.dry
D.wet

单项选择题We’ve just （） our ship with one new coating.

A.washed
B.painted
C.cleaned
D.repaired

单项选择题Mark the joining shackles with （）paint.

A.red/yellow
B.yellow/black
C.red/white
D.yellow/red