航空器停在跑道上，气压高度表的气压值订在QNE，高度表指针所指的值约等于该机场的（）。

Constant attention to correct phraseology and procedures will （ ） ．

ICAO adopted a phonetic alphabet to be used in radio transmissions in order to （ ） ．

An aircraft at 3,000ft AGL and 69 miles from a specific VHF ground station may improve reception by （ ）．

The country indicator of civil aircraft for the People’s Republic of China is（ ）.

When the controller asks the pilot to “stand by”, he means （ ）．

The horizontal range for large scale weather is about （ ） .

Jet stream region is an area where the wind speed is greater than （ ） m/s.

In radiotelephony, the call sign for a controller in area control center is （ ） ．

In radiotelephony, the call sign for a controller of aerodrome control service is（ ）．

在航路和已交由民航管制指挥的空中走廊、机场进离场航线运行的民用航空器和军航运输机、直升机由（）实施统一管制指挥。