选择方框中适当的单词填空。surprid, millions, easier, history, whole, diff

题文

选择方框中适当的单词填空。surprid, millions, easier, history, whole, difficult, popular, working, expensive, different      We are all busy talking  about and using the Internet,  but how many of us know the  1. _______ of the Internet.     Many people are 2.__________  when they find that the Internet was t up in the 1960s. At that time, computers were large and 3. _______________.  Computer networks didn't work well.  If one computerin the network broken down, then the 4. __________ network stopped. So a new network system had to be t up.  It should be good enough to be ud by many 5. _______   computers.  If one be nt through another part.  In this ways, computer network would keep on 6.___________ all the time.     At first the Internet was only ud by the government,  but in the early 1970,  universities,  hospitals and banks were allowed to u it, too. However, computers were still very expensive and the Internet was 7.________ to u. By the start of 1990s, computers software that made" surfing" the Internet 8.___________. Today it is easy to get online and it is said that 9. _______   of people u Internet every day. Sending e-mails is more and more 10._________ among young people.

题型：未知 难度：其他题型

答案

1. history 2. surpri 3. expensive 4. whole 5. different 6. working 7. difficult 8. easier 9. millions 10. popular

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