單項(xiàng)選擇題If you burned your arm on a bare steam line, the most effective immediate treatment would be to()

A.wrap the arm in a tight bandage
B.soak the arm in hot salt water
C.cover the burn with petroleum jelly
D.put the burn in cold water


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2.單項(xiàng)選擇題The company which is defined in the ISM Code means()

A.the owner of the ship
B.the manager who assumes the responsibility for operation of the ship
C.the bareboat charterer
D.All of the above

3.單項(xiàng)選擇題Latent heat changes the ()of water.

A.physical state
B.temperature
C.atmospheric pressure
D.sensible pressure

4.單項(xiàng)選擇題I find ().

A.it is difficult for them to finish the job in time
B.difficult for them to finish the job in time
C.they have much difficulty to finish the job in time
D.that difficult for them to finish the job in time