小题1:B
小题2:D
小题3:C
小题4:A
小题5:B
文章介绍了世界上几大地铁的具体情况。它们的建筑特点，载客量等等。
小题1:细节题根据第2部分2,3行The best of them were built during the Stalinist era and feature chandeliers(枝形吊灯), marble moldings and elaborate murals(精美的壁画).可知莫斯科地铁可以给乘坐者提供精美的装饰，B正确。
小题2:推理题。根据第三部分2,3行one of the few subway systems in the world that actually turns a profit.可知是为了获得利润是The Hong Kong MTR，D正确。
小题3:细节题。根据第4部分第4行By that .point, it would be three times larger than Chicago “L”.可知C正确。
小题4:细节题：从前面两部分的内容，可知东京地铁一天的乘客是8百万，莫斯科地铁的乘客一天是超过7百万，选A
小题5:细节题。根据第一部分的句子：The system is famous for its oshiya- literally, “pusher”- who push passengers into crowded subway cars so the doors can close. And you think your ride is hell.可知乘坐东京地铁会让人厌烦，B正确。