The radio is one of the wonders of modern inventions. It is a novel system of sending news like telephone or telegraph but without wires. Marconi, an Italian scientist invented the radio . In 1896, the first wireless message was sent Perish and Weston through an apparatus he invented. The receiving sets catch the sounds, which are then, broadcast. The more powerful a receiving set is, the greater it can catch broadcast sounds from a long distance. The invention of wireless or the radio is a...
Đọc tiếp
The radio is one of the wonders of modern inventions. It is a novel system of sending news like telephone or telegraph but without wires. Marconi, an Italian scientist invented the radio . In 1896, the first wireless message was sent Perish and Weston through an apparatus he invented. The receiving sets catch the sounds, which are then, broadcast. The more powerful a receiving set is, the greater it can catch broadcast sounds from a long distance. The invention of wireless or the radio is a wonder in this world. One can know everything instantly through a radio set. Programs from distant countries can be heard promptly. The radio is also a source of cheap amusement and entertainment. Besides news and messages, there are entertainment programs like music, dialogues and educational items for children.
1. Is radio one of the wonders of modern invention?
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2. Who invented the radio?
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3. What can the radio do from a long distance?
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4. What are there for children?
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Đáp án: A