單項(xiàng)選擇題

The sailor keeping （）watch should clean the gangway, the rails, bulwark and the spaces around the gangway.

A.navigation
B.gangway
C.port
D.anchor

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單項(xiàng)選擇題

The sailor taking （）watch should do cleaning work on the bridge.

A. 0 to 4
B. 4 to 8
C. 8 to 12
D. 12 to 16

單項(xiàng)選擇題

The sailors do cleaning and repair work under the supervision of the （）.

A. chief officer
B. captain
C. bosun
D. second officer