X. ответьте на вопросы в соответствии с содержанием текста. the materials used in car constructionthe bodies of the first passenger and freight cars were manufactured of wood. they were not strong enough and could not ensure the safe travel for passengers. moreover, being heated with coal-burning stoves, the carriages were often set on fire.the search for strength and safety led to all-metal cars. at first steel replaced wood in car construction. being much stronger that the conventional wooden cars the steel cars contributed a great deal to increased safety and could provide a greater carrying and seating capacity. however, steel has two drawbacks as the material of construction for cars: steel is heavy and it rusts. steel rusts so easily if it is not protected by paint and a steel car will rust away much quicker than an unpainted wooden car. to get away with these two disadvantages of ordinary steel modern cars are manufactured with bodies made of alloy steel and aluminum. the application of aluminum and its alloys to rolling stock construction is sure to be of great economic importance because of the advantages these materials offer as compared with steel. aluminum is a light weight metal, and it possesses good anti-corrosive properties. so its application results in considerable decrease of the rolling stock maintenance costs.1) what did the search for strength and safety lead to? 2) what cars replaced the conventional wooden cars? 3) what drawbacks does steel have? 4) what is done to get away with these drawbacks? 5) what are the advantages of aluminum?
1. The deck is clean now. The sailors scrubbed the deck.
2. The dockers loaded the cargo two hours ago.
3. I already went to the cinema.
4. I was at the cinema yesterday.
5. Our ship calls at London port several times.
6. Last year our ship called at this port.
7. I never saw the Houses of Parliament.
8. I saw the Capitol several times.
9. Last year we lived in this part of London but the rent was very high.
10. I saw this film today.
11. The Buckingham Palace attracts my attention.
12. I visited London lately and Trafalgar Square impressed me greatly!
13. The Romans built the first bridge over the Thames and since then London never stopped growing.
14. Many years ago London was a small swampy place.
15. London double-deckers impressed my friend greatly!
16. Yesterday we visited the Bolshoi Theatre.
17. We visited the Bolshoi Theatre lately.