题目内容
In an emergency, PIC can take the safest course of action at his/her sole ________.
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The flight attendants must do a________or monitor passengers as they watch safety video demonstratingthe safety featureof the aircraft.
Prior to each flight, a________is conducted to ensure all(emergency）equipmentsuch aslifevests,flashlights, andfire-fighting equipmentare on board, in the right quantity, and in proper condition.
Prior to each flight,flight attendantsattend a_______with the pilots andpurser during which they go over safety and emergency checklist.
In the event of_______of the captain, the first officer willtake onthe duties of PIC.
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