1. Now it is a general term for systems or technologies which are used in sending and receiving messages over a distance electronically.
2. There was a time when cave drawings were painted on the walls of caves and canyons to tell the story of people's culture.
3. So are fires that usually meant "danger" or "victory".
4. Ancient Egypt was the first country where birds - domesticated pigeons were used for sending messages.
5. 1843 was the year in which Samuel Morse proposed a way to give every letter and number a special code.
6. It was Morses's symbol code which we can still find used today.
7. It was Bell who managed to register it first.
8. Alexander Popov from Russia whose invention of the radio came before Marconi's, did not patent it.
9. In1983, the military project Arpanet became available to universities and research centres, which finally gave birth to the Internet.
Dan started his new school at the age of 11. There are many kinds of school from this age , but the general world for them is a) secondary school . Dan s school is a government school , usually called a b) state school . Some parents pay to send their children to a c) private schools . At first Dan will take a lot of different d) subjects( history , chemistry etc) but , after a few years , he will begin to e) specialize in things he is good at and interested in. Then he will f) pass some exams . If he can g) take a number of exams with good h) marks (A.B.C) , it will help him to get a good job. Of course he hopes he doesn i) fail.