单项选择题
A.separating cargoes so that the inherent characteristics of one cannot damage the other
B.separating cargoes by destination
C.classifying cargoes according to their toxicity
D.listing the cargoes in order of their flammability
单项选择题 Radiotelegrams requesting medical advice should state briefly and clearly the symptoms of the illness of the person（）.
单项选择题 Persons who have swallowed a non-petroleum based poison are given large quantities of warm soapy water or warm salt water to（）.
单项选择题 Medical treatment aboard a ship should not go beyond examination and emergency care without first consulting（）.