1. a) A metro is defined as an underground railway system in which trains ran in tabes under the earth. In America it is known as the subway,in Britain aa the tubeor the underground,in France and Russia as Metro.
1 Have you ever travelled by Metro?
2. Which country was the first to introduce the Metro9
(America. France. Spain. Russia. Italy, Great Britain. Japan)
b) What do you know about the London underground? Read the statements given below and if you think the statement is true agree to it saying "That's right". If you think it is not true, disagree saying "That's wrong" and make the necessary corrections.
1. The first underground travel in the world took place in London 100 years ago.
2. In the early days underground trains were driven by electricity
3. The first escalator was installed in 1911.
4. Now the temperature in the London underground is maintained at.40°F.
5. The deep-level tubes came in 1890
6. The air in the Underground is changed every two hours