2018-2019学年英语新导学北师大版必修三课件:Unit 9 Period One
2018-2019学年英语新导学北师大版必修三课件:Unit 9 Period One第3页

In London,to avoid the traffic above ground,people use the “underground”,also called the “tube”.The city has the oldest and most complicated underground railway system in the world and is the pride of many Londoners.With 12 lines and 275 stations across the city,the tube is normally the quickest and easiest way of getting around London.In London,you are never far from a tube station.