Задайте 5 вопросов к тексту: общий, специальный, альтернативный, разделительный, вопрос к подлежащему. the television set is evidently the most important and popular electronic product of all time. all homes in developed countries have one or more tv sets and in many countries there are considerably more tv sets than telephones. but in 1939 at the world's fair in new york a tiny nine-by twelve inch box was the centre of attention for hundreds of people. they were the first to see a television set in action. compared to today's tv shows of underwater and outer-space research, those first black-white pictures were not very good. the pictures were only transmitted from one side of the fair territory to the other. but in 1939 they were of historical importance. within a few days the news of television spread throughout the world. a lot of people wanted to have a look at the' new invention. everyone was interested in it. but only few people owned television sets in the next few years. when world war ii broke out electronic factories that began the tv production stopped making them and started making war materials instead. when the war was over, tv sets began coming off factory assembly lines. by 1958 there were millions of them. in a surprisingly short time people watched fewer films and turned from newspapers and magazines to tv. in its short history television has had great influence on people's life and way of thinking. rocket-launching, concerts and football and tennis matches can be seen direct as they occur. the boundaries of time and space have disappeared. at present tv communication is provided with the help of a system of artificial earth satellites so that people living in different parts of the country and all over the world and in different time zones are able to watch the central tv programs at the most convenient hours. nowadays many countries also have cable tv, a system using wires for the transmission of television programs ( like telephone calls).cable television first appeared in 1949 as a means of transmitting tv signals to rural and mountain areas far from big cities. cable television's next big step forward was made by the mid - 1980s. scientists announced that many technical problems had energy needs and tide (прилив) can't meet the increasing requirements. besides, nuclear power doesn't add to global warming. all this causes the people to believe that the world can't live and work without nuclear power.

dniill    3   24.08.2019 00:30    5