單項(xiàng)選擇題

Secure your safety harness when working （）.

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

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單項(xiàng)選擇題

Rig （）on both side of the bow.

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

單項(xiàng)選擇題

Sufficient time should be given for each coat to （）.

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