【多选题】What can passengers ask the airlines to do when the flight is delayed?
A.
change another airlines if other airlines are operating closer to schedule
B.
provide meals and refreshments
【单选题】( )主要适用于新产品上市之初,市场上缺少竞争者而又拥有大量的潜在消费者,且商品的需求价格弹性较小,短期内没有类似代品出现的情况。
【单选题】There is not much the airlines can do when it comes to________.
A.
sure the departure are not delayed
B.
the efficient handling of luggage
C.
speeding up customs procedure
D.
the improvement of the condition of waiting lounges
【单选题】耦合电感线圈中,任一线圈的磁链可看成是各电流单独在该线圈中产生的磁链的( )
【单选题】—Hello, this is China Eastern Airlines. What can I do for you? —I’d like to two tickets to Beijing.