【判断题】导游工作质量包括导游讲解质量、为旅游者提供生活服务的质量以及各项旅游活动安排落实的质量。( )
【单选题】The surge______wheat and dairy costs made it difficult for pizza restaurants to stay in business.
【简答题】导游工作质量包括导游讲解质量、为旅游者提供生活服务的质量以及各项旅游活动安排落实的质量。 ( )
【简答题】Improvement can be achieved through following a dairy system.
【简答题】Who gave dairy products to the native Americans?
【简答题】一般地,认为证券市场是有效市场的机构投资者倾向于选择( )。