1. In-Flight Announcements(机上广播词)(1)Welcome Speech(欢迎词)Good morning (afternoon,evening),ladies and gentlemen: Welcome aboard_Airlines Flight_to (via_). The distance between_and_is_kilometers. It will take_hours and minutes for the whole flight. We will be flying at an altitude of_meters and the average speed is_kilometers per hour. In order to ensure the normal operation of aircraft navigation and communication systems,passengers are not allowed to use mo
