【单选题】目前,在实际业务中使用最多的提单是________。
【单选题】对于旅游团内部旅游者之间产生的矛盾和纠纷,导游员的态度是( )。
【简答题】词汇填空。 Mary likes Chinese 1. ______ (文物) very much. She spends most of her spare time going everywhere 2. ______ (搜寻) 3. ______ (稀有的) things 4. ______ (设计) or made by famous 5. ______ (艺术家), such as 6....
【判断题】在高电场中,人体感知的电场强度为2.4kV/cm。
【单选题】Mary likes Chinese and _______ .