单项选择题
The first step you would take in helping an unconscious victim who is not breathing is（）
A.stop bleeding
B.open airway
C.mouth-to-mouth respiration
D.call for help
点击查看答案&解析
相关考题
-
单项选择题
Your assigned emergency station aboard ship can be found on the ship’s （）
A.station bill
B.clearance papers
C.certificate of inspection
D.permit to proceed -
单项选择题
The minimum amount of oxygen required to support life is（）
A.14 percent
B.15 percent
C.16 percent
D.17 percent -
单项选择题
What type of oil is not covered in the oil pollution law?（）
A.mineral oil
B.machinery oil being transferred for shipboard use
C.crude oil unrefined
D.normal bilge oil and water
