Unit 4 Cyberspace-Lesson 2课件 北师大版必修2.ppt

Make notes about what you’d like to do at the weekend. Work in pairs with your partner phoning each other. Making suggestions, accepting or rejecting the suggestions and finally agreeing what to do and making arrangements. Language points 2. get in touch 和…取得联系 I asked Xiao Zhou to get in touch with them. How can I get in touch with you? Im trying to get in touch with my brother. keep in touch (with) 和…取得联系 lose touch (with) 和…失去联系 1. Doing __________ (科学的) research requires not only money, but also time and energy. 2. So what are your ___________ (建议) about improving the quality of the product? 3. The style of the clothes that the woman is wearing is out of ________ (时尚). 4. To keep herself in shape, she r______ sweets. 5. The local government plans to spend two years building the city’s television n_________. 6. If I give you two more days, can you finish the p______ on time? Complete the sentences. scientific suggestions fashion rejects network project 英语学习辅导报 英语学习辅导报 * * Unit 4 Cyberspace World Wide Web What does www. stand for? In what way can the Internet be helpful for your study and life? Do you know anything about the history of the Internet? ARPANET was started by the US Dept. of Defense for research. It is the original basis for what now forms the Internet. It was opened to non-military users later in the 1970s. The packet switching of the ARPANET was based on designs by Lawrence Roberts (1937- ), of the Lincoln Laboratory. The ARPANET was the predecessor to the modern Internet. The first international Connections to ARPANET are established. The TCP/IP Protocol established, and the “Internet” is formed as a connected set of networks using TCP/IP. DNS (Domain Name Server) introduced to the Internet, with then consisted of about 1,000 hosts. Web traffic over the Internet increased by 300,000 %. Listen and answer the questions. The Internet. Communication after a nuclear war. 1. What’s the listening text about? 2. What worried the Pentago