(
课件网) Unit 3 The world online Welcome to the unit I hope we will use the Net to cross barriers and connect cultures. -- Tim Berners-Lee 我希望我们能用互联网跨越障碍, 联结文化。 — 蒂姆·伯纳斯·李 Do you have easy access to the Internet If so, how do you often access it In which way do you access the Internet, using a mobile device or other devices Lead-in What do you usually do on the Internet search for information watch the news study on the internet When you are on the Internet, what do you usually do chat on the Internet shopping online play internet games watch films and soap operas, etc. 3. What does the Internet mean to you There are many important milestones in the development of the Internet. P29 When we speak of important milestones in the development of the Internet, what can you think of What can you see from the three pictures attached to the three texts We can see the “@” sign of an email address, a webcam and some emojis. Free talk Each of the three texts, Text 1, Text 2 and Text 3 might tell us about emails, webcams and emojis respectively. Can you predict what each of the three texts might tell us according to the pictures Free talk The first email was sent in 1971 by Ray Tomlinson. It was a test message to himself. He wanted to see whether he could send a message from one computer to another. He chose the "@" sign to separate the username from the name of his machine. There are many important milestones in the development of the Internet. Read the web page below and discuss the following questions in pairs. The first webcam was created by computer scientists at the University of Cambridge in 1991. What did it film A coffee pot outside the office. These scientists used the webcam to see from their desks whether the pot was empty to avoid wasted trips for coffee. Emojis, small digital images used to express ideas or feelings in electronic communication, were created in 1999 in Japan. The creator was inspired by Japanese comics, street signs and Chinese characters. Soon emojis took off throughout the world. Oxford Dictionaries selected , the "Face with Tears of Joy" emoji, as the Word of the Year 2015. Task 1 Read the article and complete the chart. P32 A1 Introduction Para. 1: _____ _____ _____ _____ Main body Paras. 2–4: The Internet has many advantages. Conclusion Para. 5: _____ _____ Advantage 1 _____ Advantage 2 _____ Advantage 3 _____ We should use the Internet properly and responsibly. We have quick and easy access to a huge amount of information online. E-commerce has made our lives unbelievably convenient. The Internet helps us establish and maintain social ties. We can achieve almost anything online. Task 2 Read the article again carefully and complete the table below with supporting details for each advantage. P32 A2 Advantages Supporting details Advantage 1 Having access to (1) _____ information Gathering information quickly and easily Advantage 2 (2) _____ ... ...
