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.

以下对馈线安装描述错误的有？（）

A、馈线的布放应尽量使用风管或水管管井，避免使用电气管井

B、地下停车布线不得高于风管.消防等管道

C、所有馈线.跳线.走线管都应用馈线夹.馈线座.线码.扎带等加以牢固固定

D、要求所有走线管布放整齐.美观，尽量靠墙布放，并用线码或馈线夹牢固固定