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I. Fill in the blanks with one of the followings
transmission / growth / developed / energy / popular / basic / possible / improved / practical / regular
THE DEVELOPMENT OF TELEVISION
Television was not really invented. Many scientists invented or (1)…………………parts of the system that
have become the TV systems we know now. Radio, of course, was necessary before television could be
(2)…………………, because television users the same principles of electromagnetic waves that radio does. As
soon as radio became possible, the possibility of television (3) ……………… was also known, but it took many
years for it to become (4)……………….
British and American scientists helped to develop the (5)………………… ideas that made television
(6)…………………, but it was a Russian who made the first practical television system. By 1923, Vladimir
Zworykin, a Russian, had invented a camera tube that could turn pictures into electric (7)……………… . By
1029, Zworykin had built a television system that worked. By 1935, (8)………………… television broadcasts
were begun in Germany. The first broadcasts in the United States began in 1939, but television did not really
become (9)………….…… until after the Second World War. Between 1945 and 1955 there was rapid
(10)………………… in the practical use of television.
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I. Fill in the blanks with one of the followings
transmission / growth / developed / energy / popular / basic / possible / improved / practical / regular
THE DEVELOPMENT OF TELEVISION
Television was not really invented. Many scientists invented or (1)…………………parts of the system that
have become the TV systems we know now. Radio, of course, was necessary before television could be
(2)…………………, because television users the same principles of electromagnetic waves that radio does. As
soon as radio became possible, the possibility of television (3) ……………… was also known, but it took many
years for it to become (4)……………….
British and American scientists helped to develop the (5)………………… ideas that made television
(6)…………………, but it was a Russian who made the first practical television system. By 1923, Vladimir
Zworykin, a Russian, had invented a camera tube that could turn pictures into electric (7)……………… . By
1029, Zworykin had built a television system that worked. By 1935, (8)………………… television broadcasts
were begun in Germany. The first broadcasts in the United States began in 1939, but television did not really
become (9)………….…… until after the Second World War. Between 1945 and 1955 there was rapid
(10)………………… in the practical use of television.
Thanks
Television was not really invented. Many scientists invented or improved parts of the system that have become the television systems we know now. Radio, of course, was necessary before television could be developed, because television uses the same principles of electromagnetic waves that radio does. As soon as radio became possible in the 1800s, the possibility of television transmission was also known, but it took many years for it to become practical.British and American scientists helped to develop the basic ideas that made television possible, but it was a Russian who made the first practical television system. By 1923, Vladimir Zworykin, a Russian, had invented a camera tube that could turn pictures into electric energy. By 1929, Zworykin had built a television system that worked.By 1935, regular television broadcasts were begun in Germany. The first broadcasts in the United States began in 1939, but television did not really become popular until after the Second World War. Between 1945 and 1955 there was rapid growth in the practical use of television.All early television was broadcasted in black and white. Color television was possible, but it was too expensive and of very poor quality until the middle of the 1950s. Color television broadcasts began in the United States in 1954, in Japan in 1960, and in Europe in 1967.
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