第 1 页 共 3 页《航空英语2》复习纲要B 一、单项选择题1
There are several ways in which airline service can be divided into categories
One distinction is between trunk lines and
Feeder lines B
Branch lines C
Stem lines D
Cargo lines 2
Now, fortunately, airports are entering a third phase in their progress
The evolution of larger and much aircraft is beginning to reduce noise levels under the flight paths
Quieter B
Lighter C
More economic D
More easily controlled 3
With rare exceptions, most public airports are owned by
Big company B
Star alliance C
Some companies D
national governments 4
Airports are complex
Company alliance B
industrial enterprises C
national property D
national alliance 5
Analysis and comparison of airport costs is certainly than an assessment of airport reven