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單項(xiàng)選擇題

The major use of water in fighting fires is to（）.

A.suffocate the fire
B.absorb the oxygen supporting the fire
C.act as a cooling agent
D.wash the fire away

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單項(xiàng)選擇題

The majority of cargo gear breakdowns are a result of（）.

A.guy failures
B.topping lift failures
C.bending of the boom from compression
D.gooseneck failure

單項(xiàng)選擇題

The man directing and supervising the work of stevedores is the（）.

A.local agent
B.watchman
C.docker
D.foreman