[音频]51._________有现货52._________没货 53._________n.收据 54._____快餐店，小吃店 55._______自动售卖机 56._________直达火车57.____________n.晕机58.__________晚点59.________n./v.登机60._________订票处61.________n.车厢 62.________住宿登记 63._______结账离开 64._______起飞时间 65._________快车66.__________历史名胜 67._______n.风景68.__________单程票 69._________n.站台 70.________往返票 71._________安检 72._________n.观光，游览 73.________超速 74.__________交通拥挤,塞车75.__________n.转车 76.________机高峰时间