机上的ADF系统有两种工作状态，若要自动测向，必须放置（）。

The downwind leg timing in a holding pattern should be （ ） at/below 14000ft.

The maximum bank of turning in the holding pattern should be （ ） degrees.

The turning rate of a standard holding pattern should be （ ） degrees/second.

According to ICAO, a standard holding pattern should all turn to the （ ） .

When pilot sets a pressure of （ ）mb for altimeter setting, that may be used to indicate a cruise flight level.

When pilot sets a QNH altimeter setting that will indicate （ ） .

VFR means （ ） Flight Rule.

VFR on top means VFR on the top of the （ ） .

The standard altimeter setting is （ ） in mm mercury.

The standard altimeter setting is （ ） in hpa.