阅读理解 A—Frequent flight passenger B—Flight number C—Boarding time D—Starting airport E—Ground service F—Delayed flight G—Ticketing service H—Ticket delivery I—Online ticket booking J—Luggage check-in K—Self check-in service L--Seat selection M—Flight punctuality N—Ticket refund O—Baggage claim P—Baggage compensation Q—First class

填空题 1行李托运 2登机时间

填空题 1售票服务 2常旅客

填空题 1始发机场 2航班延误

填空题 1座位选择 2送票服务

填空题 1行李提取 2航班号