题目内容：

The Internet is very important in our life. But do you know about the history of it? The use of the Internet was based on the computer, which was invented in 1946. In the 1960s, the scientists started to study the Internet. At first, only the army could use it to save, send and receive information. In the 1970s, the Internet came into offices, banks, hospitals and so on, while common (平常的) people couldn’t use it. In the 1990s, the Internet became popular all over the world. Now most people can use it to do lots of things anytime and anywhere.

1.What was the use of Internet based on?

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2.What did the scientists start to do in the 1960s?

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3.Could common people use the Internet in the 1960s?

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4.When did the Internet become popular all over the world?

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5.What did the army use the Internet for?

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