What do “Irregular flights” refer to（）
A. delayed flights
B. cancelled flights
C. Both A and B
D. none of the above
查看答案
Passengers can’t get the information of flight delay from_（）
A. the ticket office
B. flight crew
C. check-in counter
D. the airport announcement
Check-in service includes______（）
A. arrange seats for passengers
B. carry out personal search
C. check baggage
D. issue boarding pass
Which of the followings may cause flight delay（）
A. bad weather
B. mechanical trouble
C. air traffic control
D. late arrival of passengers
What are the main check-in ways（）
A. airport check-in counter
B. airport check-in counter
C. Wechat check-in
D. self-service check-in kiosk
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