优化作业上海科技文献出版社系列答案科目：高中英语 来源：2013届甘肃省张掖中学高三第二次月考英语试卷（带解析） 题型：填空题
短文改错（共10小题；每个1.5分，满分15分）
We are all busy talk about and using the Internetwhich set up in the 1960s. At first, the Internet wasonly used by the government, but in early 1970s,the universities, hospitals and banks were allowed touse it, too. Otherwise, computers were still very expensiveand the Internet was difficult to use it. By thestart of the 1990s, computers become cheaper and easier.Today it is easily to get on-line and it is saidthat millions of people use the Internet every day.Send e-mail is more and more popular among students.It has now become one of the most important parts of people’s life.
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