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單項(xiàng)選擇題

To whom should the master render the Maritime Declaration of Health when the ship arrives at a port outside the territory?（）.

A.Health doctor
B.Health officer
C.Health surgeon
D.Health person

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單項(xiàng)選擇題

Upon arrival at the discharging port, the inert gas system is（）.

A.turned on
B.turning on
C.turn on
D.to turn on

單項(xiàng)選擇題

Vessels are required（）Singapore Port Service when passing the points indicated.

A.communicating with
B.to communicate with
C.be communicated
D.will communicate

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