Nowadays Intemet is very popular all over the world, especially in some big cities.Do you know when the Intemet was first established?Built in 1960s, the Internet was a crude network of a few computers which shared information.If one of the computers broke down, the whole networks would be unable to work, causing continual problems.At first, just the government had access to the Internet, using it for communications among different branches.However, by 1970s the Internet had been used in universities, banks, and hospitals.At the beginning of 1990s computers became affordable for common people and this affordability increased the use of the Internet by people.

　　现在因特网在世界范围内非常流行，特别是一些大城市更是如此。你知道因特网是在什么时候建立的吗?建立在二十世纪六十年代的因特网是少许计算机分享信息的原始网络。如果一台计算机坏了，整个计算机网络就停止工作，这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。