带来了一系列的问题。最初只是政府利用因特网在不同的分支机构间交流。然而，到了二十世纪七十年代，因特网开始被用于大学、银行和医院。到了二十世纪九十年代初，计算机对大众来说已经负担得起了，因此因特网的使用也随之增加。
据说，每天使用互联网的人超过几百万，它已成为人们生活中最重要的一部分。
internet was first established in 1960s. at that time, the computer was both large and expensive and the networks were unable to work well. if one of the computers broke down, the whole networks would be unable to work.
at first, the intemet was just used by the government. by 1970s, it had been used in universities, banks and hospitals. at the beginning of 1990s,computers became both cheaper and easier to operate. now it is very convenient to log on the intemet.
it is said that each day tens of millions of people log on the internet. sending e-mails is becoming more and more popular.
the intemet has become the most important part of people's life.
互联网首建于二十世纪六十年代