旅游行业管理的目的是()。
A.引导市场趋势
B.维护市场秩序
C.制定市场价格
D.保护旅游者合法权益
E.干预旅游企业的经营
参考答案:A, B, D
It was after he got what he had wanted________he realized it was not so important.[ ]
A.that
B.when
C.since
D.as
简述抗日根据地三三制原则的作用。