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單項(xiàng)選擇題

Any emergency pump situated （）machinery space should also be started.

A.outside
B.under
C.beside
D.besides

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單項(xiàng)選擇題

On hearing the fire signal, the crew should proceed immediately to （）their assigned duties.

A. carry on
B. put out
C. carry out
D. take off

單項(xiàng)選擇題

Efficient fire-fighting drill demands the full （）of persons in all departments of the ship.

A.operate
B.operation
C.co-operate
D.co-operation

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