There are three types of flight :they are____ A: stopover flight B: transit flight C: Direct flight

Due to mechanical problems, there will be a two-hour ______ to the departure of Flight 309. A: (A) delay B: (B) pause C: (C) cancellation D: (D) stopover

When no passenger gets off from the stopover airport, the number of flight attendent retained on the plane should be at least（）of the total number. （ ） A: two times B: 1/4 C: all D: 1/2

The construction might produce the following harmful effects EXCEPT ______. A: destroying a historic battleground B: greatly reducing Greece's tourist income C: ruining a natural stopover for migratory birds D: making further archeological investigation impossible