【单选题】下列对象不能组成集合的是( ).
【单选题】下列对象不能组成集合的是( ).
【简答题】A. airline B. apron C. cafeteria D. departure E. destination F. lounge G. runway H. terminal building Instead of taking me to the departure _________...
【多选题】下列物质的标准溶液只能用间接法配制的是 ( ) 。
【简答题】Instead of taking me to the departure _____________, they took me right to my seat on the plane. Many different airlines have counters in the _____________. Spain is still our most popular holiday ___...