Объяснение: Electronic circuits are integral parts of nearly all the technological advances being made in our lives today. Television, radio, phones and computers immediately come to mind, but electronics are also used in automobiles, kitchen appliances, medical equipment and industrial controls. At the heart of these devices are active components, or components of the circuit that electronically control electron flow, like semiconductors. However, these devices could not function without much simpler, passive components that predate semiconductors by many decades. Unlike active components, passive components, such as resistors, capacitors and inductors, can't control the electron flow with electronic signals.
Sport makes people healthy, keeps them fit, more organized and better disciplined.
It unites people of different classes and nationalities. Many people do sports on their personal initiative. They go in for skiing, skating, table tennis, swimming, volley-ball, football, body-building, etc.
All necessary facilities are provided for them: stadiums, sport grounds, swimming pools, skating rinks, skiing stations, football fields.
Sport is paid much attention to in our educational establishments. Gymnastics is a part of children's daily activities in the kindergartens. Physical culture is ч compulsory subject at schools and colleges.
Professional sport is also paid much attention to in our country. In city, where I live, there are different sporting societies, clubs and complexes.