單項(xiàng)選擇題

Close the port side （）(通風(fēng)口) .

A.ventilators
B. designated station
C. fire outfit

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單項(xiàng)選擇題

The emergency alarm is sounded on （）(汽笛) according to master’s order.

A.VHF
B.whistle
C.broadcast
D.sextant

單項(xiàng)選擇題

There is a smell of gas in the hold. You must wear your （）(氧氣面罩).

A. fire mask
B. breathing apparatus
C. life-jacket
D. fire drill