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單項(xiàng)選擇題

Check （）(危險(xiǎn)區(qū)) and report , please.

A. danger area
B. safety area
C. danger room
D. safety room

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單項(xiàng)選擇題

They should take care of the （系泊纜繩）（）.

A. head lines
B. mooring lines
C. breast lines
D. stern lines

單項(xiàng)選擇題

Pay attention to the （）（安全）of the gangway.

A.danger
B.safe
C.safely
D.safety

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