单项选择题
A.leg cramps in the muscles in one or both legs
B.pain and uncontrolled jerking of the legs and arms
C.vomiting and involuntary urination or bowel movement
D.pain at the site of the fracture and possible numbness or paralysis below the injury
单项选择题 In any major injury to a person，first aid includes the treatment for the injury and（）.
单项选择题 A man has suffered a burn on the arm. There is extensive damage to the skin with charring present. How is this injury classified using standard medical terminology?（）
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（）.