问题补充：
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.
【小题1】What was the use of Internet based on?
.
【小题2】What did the scientists start to do in the 1960s?
.
【小题3】Could common people use the Internet in the 1960s?
.
【小题4】When did the Internet become popular all over the world?
.
【小题5】What did the army use the Internet for?
.The computer
答案：
(答案→)The computer
解析：本文叙述了网络的历史，在计算机发明了以后，人们开始研究网络，一开始的时候只是军队上用网络去保存，发送和接受信息，到20世纪90年代，网络就在世界各地普行了。
【小题1】细节理解题。根据The use of the Internet was based on the computer 互联网的使用基于电脑，故用The computer。
【小题2】细节理解题。根据In the 1960s, the scientists started to study the Internet.在20世纪60年代开始研究网络，故用To study the Internet.
【小题3】细节理解题。根据At first, only the army could use it to save, send and receive information.只是军队上可以使用，普通的老百姓不能使用，故用No, they couldn’t。
【小题4】细节理解题。根据In the 1990s, the Internet became popular all over the world. 在20世纪90年代网络就普及世界各地，故用In the 1990s。
【小题5】细节理解题。根据At first, only the army could use it to save, send and receive information.军队用网络保存，发送和接受信息，故用The army used the Internet to save, send and receive information.
