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單項(xiàng)選擇題

The first the Second Mate knew of the fire was the sounding of the emergency alarm，which had been（）from the engine room.

A.acted
B.activated
C.actioned
D.enactioned

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單項(xiàng)選擇題

The expression DROP ANCHOR means（）.

A.Hold anchor
B.Leave anchor
C.Let go anchor
D.Weigh anchor

單項(xiàng)選擇題

The crew was unable to（）access to the engine room due to the extreme heat.

A.maintain
B.retain
C.gain
D.contain

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