【判断题】为了向游客说明收费是合理的,导游人员可以向他们详细地说明旅游团的收费细目。( )
【单选题】在水箱中,用于水箱进水管控制失灵或水泵控制失灵时,为避免水箱溢水而设置的管道是()
【判断题】The suffix “-ent” is often added to verbs to form nouns that refer to a person that causes, promotes, or does a certain action, or nouns that denote a substance that causes, promotes, or does a certai...
【判断题】为了向游客说明收费是合理的,导游人员可以向他们详细地说明旅游团的收费细目。( )
【多选题】一般市售的高锰酸钾试剂中常含有(),故不稳定。
【单选题】“酸葡萄效应”属于以下哪种心理防御机制: