600 Read the text and answer the questions.
1 Why couldn't people build really tal buildings in the past?
2 When could people start building skyscrapers?
3 How did the invention of the elevator change the history of buildings?
4 Why did people want to build skyscrapers in cities?
5 Why are tal buildings called 'skyscrapers?
6 How fast did the Empire State Building grow?
7 What can you find in the Triumph of Astana in Kazakhstan?
2. Were the design of cars improved the fuel consumption was reduced.
3. If a scienfitic research is closely linked with practice the results are good.
1Если двигатель внутреннего сгорания не был бы изобретен то автомобильная промышленность не стала бы так быстро развиваться во всем мире.
2 Если у машин будет дизайн лучше то расход топлива будет меньше.
3 Если научные исследования будут практиковаться то результаты будут хорошими.