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课件网) Unit 3 The world online Welcome to the unit & Reading Presentation Lead-in What is the Internet Language points Lead-in What can we do on the internet online chatting search for information listen to music play games watch videos do shopping Quotation 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 Now, let's read a web page and complete the blanks. The first email was sent _____ by Ray Tomlinson. It was a test message to himself. He wanted to see whether he could _____ from one computer to another. He chose _____ to separate the username from the name of his machine. in 1971 send a message the “@” sign Welcome to the unit The first webcam was created by computer scientists at the University of Cambridge _____. What did it film A coffee pot _____ the office. These scientists used the webcam to see _____ whether the pot was empty to avoid wasted trips for coffee. Welcome to the unit in 1991 outside from their desks Welcome to the unit Emojis, small digital images used to _____ in electronic communication, were created _____ in Japan. The creator was inspired by Japanese comics, street signs and _____. Soon emojis _____ throughout the world. Oxford Dictionaries selected, the “Face with Tears of Joy” emoji, as the Word of the Year 2015. express ideas or feelings in 1999 Chinese characters took off Reading Fast-reading Find the topic sentence of each paragraph Para. 1 Para. 5 Para. 4 Para. 3 Para. 2 The Internet can connect people across the world to a single shared community. One of the greatest advantages of the Internet lies in the quick and easy access to a huge amount of information. The Internet has also made our lives unbelievably convenient, with all sorts of goods and services provided …. Above all else, the Internet helps us establish and maintain social ties. However, while the Internet brings many valuable advantages, being connected has its problems. Introduction Advantage 1 Advantage 2 Advantage 3 Conclusion Fast-reading Read and complete the chart. Introduction Para.1: Main body Paras. 2–4: The Internet has many advantages. Conclusion (Para.5): Advantage 1 Advantage 2 Advantage 3 We can achieve almost anything online. 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. Careful-reading Advantages Supporting details Advantages 1 Having access to (1)_____ information Gathering information quickly and easily Advantages 2 (2)_____ Doing shopping quickly and easily Ordering a taxi with an app Making travel arrangements (3)_____ on the smartphone Advantages 3 Keeping in contact with loved ones Finding (4)_____ Discovering communities who (5)_____ Read paragraph 2-4 and finish the chart a huge amo ... ...
