Lesson 3, ex. 3

Date: 2015-10-07; view: 507.

Lesson 3, ex. 2c

People ran to (1) deliver messages faster. When running with a message, to deliver it in spoken form, it is safer to do it oneself. Sending anyone else is (2) unreliable, as the game of Chinese whispers demonstrates. So a system of writing was necessary. When writing appeared, messages on stone columns (3) communicated very well across time, but they were an (4) inefficient method of communication across space. The system became more efficient when it was the message that travelled. People ran with the written messages, rode horses to save time. For example, the network of Persian roads in the 5^th century BC made communication faster and more (5) reliable. New men and fresh horses were (6) available at posting stations. A message could travel the full distance of the road from Susa to Sardis (3200 km) in ten days. What helped to make communication even more (7) efficient was the Aramaic language as a (8) Lingua Franca used in Ancient Persia.

1. Now it is a general term for systems or technologies that 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 which 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 when Samuel Morse proposed a way to give every letter and number a special code (point, line and space).

6. It was Morse'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. In 1983, the military project Arpanet became available to universities and research centres, which finally gave birth to the Internet.