单项选择题
In order to determine the health hazard data for carbolic acid，you would use that information contained in the Chemical Data Guide for which chemical?（）
A.Acetic oxide B.Carbinol C.Carbon bisulfide D.Phenol
单项选择题 If you came into contact with nitrobenzene while disconnecting the cargo hose，you should be aware that it is（）.
单项选择题 If the patient vomits during mouth-to mouth resuscitation，the rescuer should FIRST（）.
单项选择题 If a crewman suffers a second-degree burn on the arm，you should（）.
