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單項選擇題

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

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單項選擇題

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

單項選擇題

The minimum amount of oxygen required to support life is（）

A.14 percent
B.15 percent
C.16 percent
D.17 percent

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