单项选择题
A.the designated medic aboard
B.the shore based superintendent
C.a medical doctor
D.the approved company medical manual
单项选择题 In reviving a person who has been overcome by gas fumes，what would you AVOID doing?（）.
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?（）
单项选择题 If you came into contact with nitrobenzene while disconnecting the cargo hose，you should be aware that it is（）.