Unit3 SectionⅠ Listening and Speaking,Reading and Thinking(学案)-【成才之路】2022-2023学年高中新教材英语必修第二册同步学习指导(人教版2019)

2023-01-04
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河北万卷文化有限公司
进店逛逛

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+,-&./+012345 UNIT 3  THE INTERNET 单元核心素养 单元话题导读     A Brief History of the Internet The Internet started in the 1960s as a way for government researchers to share information. Computers in the 60s were large and immobile① and in order to make use of information stored in any one computer, one had to either travel to the site of the computer or have magnetic computer tapes sent through the conventional② postal system. Another catalyst(催化剂)in the formation of the Internet was the heating up of the Cold War. Russias launch③ of the Sputnik satellite spurred the U. S. Defense Department to consider ways information could still be disseminated (传播)even after a nuclear attack. This eventually led to the formation of the ARPANET (Advanced Research Projects Agency Network),the network that ultimately④ developed into what we now know as the Internet. ARPANET was a great success but membership was limited                  to !!"#   062 !"#$%&'() RJ * certain academic and research organisations who had contracts with the Defense Department. In response to this,other networks were created to provide information sharing. January 1,1983 is considered the official birthday of the Internet. Prior to⑤ this,the various computer networks did not have a standard way to communicate with each other. A new communications protocol was established⑥ called Transfer Control Protocol / Internetwork Protocol (TCP / IP ). This allowed different kinds of computers on different networks to “talk”to each other. ARPANET and the Defense Data Network officially changed to the TCP / IP standard on January 1,1983,hence the birth of the Internet. All networks could now be connected by a universal. 词海拾贝 ①immobile adj.不能移动的 ②conventional adj.普通的 ③launch n.发射 ④ultimately adv.最后,最终 ⑤prior to在……之前 ⑥establish vt.建立 典句欣赏 Computers in the 60s were large and immobile and in order to make use of information stored in any one computer,one had to either travel to the site of the computer or have

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Unit3 SectionⅠ Listening and Speaking,Reading and Thinking(学案)-【成才之路】2022-2023学年高中新教材英语必修第二册同步学习指导(人教版2019)
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Unit3 SectionⅠ Listening and Speaking,Reading and Thinking(学案)-【成才之路】2022-2023学年高中新教材英语必修第二册同步学习指导(人教版2019)
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Unit3 SectionⅠ Listening and Speaking,Reading and Thinking(学案)-【成才之路】2022-2023学年高中新教材英语必修第二册同步学习指导(人教版2019)
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Unit3 SectionⅠ Listening and Speaking,Reading and Thinking(学案)-【成才之路】2022-2023学年高中新教材英语必修第二册同步学习指导(人教版2019)
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