单项选择题
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
单项选择题 The conventions under which the port state control inspection is carried out include all the following except （）.
单项选择题 The company which is defined in the ISM Code means（）
单项选择题 Latent heat changes the （）of water.
