单项选择题

Lifeboat launching is operated （）.

A.quarterly
B.annually
C.monthly
D.yearly

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单项选择题
NO.2 lifeboat is located on （）side.

A.starboard
B.both
C.each
D.port
单项选择题
I’m having （）around the ship.

A. fire watch
B. fire patrol
C. fire protection
D. fire alarm
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