Автор работы: Пользователь скрыл имя, 29 Марта 2012 в 17:33, контрольная работа
1. Automation is known to have sped up both the development of rocket production and that of nuclear industry.
2. The new system of automatic control is likely to be used in the near future.
3. We know the existence of life on the Earth to depend upon the continuous receipt of enormous quantities of energy from the Sun.
4. In recent years we have seen vast new progress take place in space research.