_________ (抱歉) , can you tell me the way to the nearest subway station, please?
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The woman behind the counter gave him a map of the city and said it was only a _________ (十分钟的)walk.
Max looked at the map and realised that he had looked at it _________ (颠倒).
在E_R模型中,包含以下基本成分()。
A. 数据、对象、实体
B. 控制、联系、对象
C. 实体、联系、属性
D. 实体、属性、对象
下列哪一项不属于北京人生活?
A. 使用磨制石器
B. 过着群居生活
C. 采集果实充饥
D. 用火烧烤食物