单项选择题
If a victim is unconscious，you should first look for evidence of（）.
A.high fever B.head injury C.broken limbs D.irregular breathing
单项选择题 Every injury aboard a commercial vessel must be reported to the（）.
单项选择题 A vessel casualty must be reported to the MSA in China if it involves（）.
单项选择题 A person being treated for shock should be wrapped in warm coverings to（）.
