我们设计的程序有三个，分别是：航空订票系统、24点游戏、旅游交通查询系统，为了用户的方便和更能体现C语言的模块化理念，我们把三个程序放到一个系统中去实现了-We designed the program has three, namely: air booking system, 24-point games, tourism, transport query system, in order to the user' s convenience and better realizatio