The idea for the Internet began in the early 1960s in the United States. The Department of Defense wanted to connect their computers together in order to share private information. In 1969, the ARPA net (an early form of the Internet) first connected computers at four American universities. One computer successfully sent information to another. In 1972, scientists shared ARPA net with the world. They created a way to send persontoperson messages using ARPA net.
__21__
Over the next few years, there was a lot of progress made in the world of computing.
__22__
Then, in the 1980s, personal computers became more common. In the early 1990s, two important things happened: the birth of the World Wide Web in 1991, and the creation of the first Web browser in 1993. The World Wide Web make it easier to find information on the Internet, and to move from place to place using links.
__23__
Today, millions of people connect to the Internet to send email, visit websites, or store information on servers. The Internet is now an important part of our lives.
__24__
A. Therefore, computers were so popular that most Americans used the Internet. B. It is changing how we learn, work, shop, and communicate. C. This was the beginning of email. D. The cause of this great change was the Internet. E. However, most people were not using the Internet. F. It will promote the development of science and technology in the future. G. The Web browser made it possible to see information as a web site with pictures, sound, and words. 答案:20. D 21. C 22. E 23. G 24. B Ⅳ.短文改错 Dear Sally,
【安徽省明光英普辅导中心高考英语一轮总复习课件:unit4《Cyberspace》】相关文章:
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (19)
★ 【浙江专用】2014届高考英语一轮复习课时作业(八)必修2Unit 3《Computers》
★ 【北京专用】2014届高考英语一轮复习方案课时作业:选修6 Unit 4 Global warming
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (57)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (50)
★ 【北京专用】2014届高考英语一轮复习方案课时作业:选修7 Unit 3 Under the sea
★ 【北师大版】2014届高考英语一轮复习指导课时作业:Unit 8 B卷 Word版含解析
★ 【浙江专用】2014届高考英语一轮复习课时作业(二十一)必修5Unit 1《Great scientists》
★ 【浙江专用】2014届高考英语一轮复习课时作业(十七)必修4Unit 2《Working the land》
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21