单项选择题
Which one is true as regards to the hard hat according to the passage?（）
A.It needs not to be regularly replaced
B.It is designed to protect from possible impact
C.It is required to be worn on deck at all times by all ships
D.fibreglass hardhat should not be used on board ships
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相关考题
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单项选择题
Which one is not important for your safety on board ship?（）
A.know where the lifejacket is stowed
B.know where the life-saving craft are fitted on the ship
C.know the escape routes
D.Good professional knowledge -
单项选择题
Which one might be used most likely in case of a fire?（）
A.lifejacket
B.SCBA
C.lifeboat
D.torch -
单项选择题
Which one is not the personal safety equipment?（）
A.Life jackets
B.Survival at Sea manual
C.lifeboat
D.torch
