题目内容

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.

A. safety check
B. safety briefing
C. safety demonstration
D. safety concern

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Prior to each flight,flight attendantsattend a_______with the pilots andpurser during which they go over safety and emergency checklist.

A. safety briefing
B. safety check
C. safety demonstration
D. safety concern

In the event of_______of the captain, the first officer willtake onthe duties of PIC.

A. incapacitation
B. incapacitated
C. disable
D. disconfortable

In the event ofincapacitationof the captain, the first officer will_______the duties of PIC.

A. take off
B. take into
C. take out
D. take on

下列哪种组网方式可用于5G的接入网部署？

A. DRAN
B. CRAN
CloudRAN
D. 以上都可以