单项选择题
A.drain any blisters
B.apply antiseptic ointment
C.scrub the arm thoroughly to prevent infection
D.immerse the arm in cold water
单项选择题 Every seaman injured on a fishing vessel must reportthe injury to the Master，individual in charge，or otheragent of the employer（）.
单项选择题 Epilepsy is a chronic nervous disorder characterized by（）.
单项选择题 During the course of a voyage，a seaman falls on the main deck and injures his ankle. The Master should submit a Report of Marine Accident，Injury or Death if the（）.