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Помогите решыть. №2 Supply the synonyms from the text to the underlined words: 1 A global computer

10-11 класс

network was created to survive a nuclear war.

2 Most of the Internet host computers are situated in the United States.

3 Nobody knows accurately how many people use the Internet.

4 Most of the people have right to use the Internet.

5 Other popular services are accessible on the Internet as wrell.

№3 Which of the following statements are true to the text? If the statement is false, explain what is wrong in it

1 The Internet was created as a military experiment.

2 All computers can stay in touch with each other as long as there is a single route between them.

3 Packet switching was used during the Iraq war.

4 Many people use the Internet and their number can be counted fairly accurately.

5 When commercial users send e-mail messages, they only have to pay for the information to their local service providers.

TEXT

THE INTERNET (I)

The Internet, a global computer network which embraces millions of users all over the world, began in the United States in 1969 as a military experiment. It was designed to survive a nuclear war. Information sent over the Internet takes the shortest path available from one computer to another. Because of this, any two computers on the Internet will be able to stay in touch with each other as long as there is a single route between them. This technology is called packet switching. Owing to this technology, if some computers on the network are knocked out (by a nuclear explosion, for example), information will just route around them.
One such packet-switching network which has already survived a war is the Iraq computer network which was not knocked out during the Gulf War. Most of the Internet host computers (more than 50 %) are in the United States, while the rest are located in more than 100 other countries. Although the number of host computers can be counted fairly accurately, nobody knows exactly how many people use the Internet, there are millions worldwide, and their number is growing by thousands each month.

The most popular Internet service is e-mail. Most of the people, who have access to the Internet, use the network only for sending and receiving e-mail messages. However, other popular services are available on the Internet: reading USENET News, using the World-Wide Web, telnet, FTP, and Gopher.

In many developing countries the Internet may provide businessmen with a reliable alternative to the expensive and unreliable telecommunications systems of these countries. Commercial users can communicate cheaply over the Internet with the rest of the world. When they send e-mail messages, they only have to pay for phone calls to their local service providers, not for calls across their countries or around the world.

Luizalee 15 сент. 2013 г., 1:24:26 (10 лет назад)
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насько1998
15 сент. 2013 г., 1:57:12 (10 лет назад)

1/ 1)It was designed to survive a nuclear war. 2)Most of the Internet host computers (more than 50 %) are in the United States, while the rest are located in more than 100 other countries. 3) nobody knows exactly how many people use the Internet, there are millions worldwide, and their number is growing by thousands each month. 4) there are millions worldwide, and their number is growing by thousands each month. 5)The most popular Internet service is e-mail.

2\ 1) true/ 2) false/ вместо all computers надо any two computers. 3)true 4)false вместо their number can be counted fairly accurately надо their number is growing by thousands each month. 5) false вместо for the information надо  for phone calls

 

 

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