Unit 3 The world online Welcome to the unit & Reading 课件-2023-2024学年高中英语牛津译林版（2020）必修第三册

Unit 3 The world online Welcome to the unit & Reading In this lesson, you are going to: grasp the structure, outline and details of the article by skimming and scanning; understand how cohesive devices and comparisons are used in the article; adopt a critical attitude towards the Internet. Lead-in There are many important milestones in the development of the Internet. Read the web page on page 29 and discuss the following questions in pairs. email emojis 1971 1999 webcam 1991 1. Who sent the first email? It was sent by Ray Tomlinson in 1971. 2. What did the first webcam film? A coffee pot outside the office. 3. What were emojis, small digital images used to do? To express ideas or feelings. 4 I use emojis most frequently when I message my friends. They look cute, and are a quick and easy way to express how I am feeling. 4. Which of the above inventions do you use most frequently? Why? watch news watch films study on the Internet search for information 5. What convenience does the Internet bring to your life? 6 Pre-reading According to the title and pictures, what could be discussed in this article? This article might focus on the reasons why the Internet is a world without frontiers. Read the passage quickly and check your prediction. 8 While-reading 1. Find the topic sentence of each paragraph. Para. 1 Para. 5 Para. 4 Para. 3 Para. 2 The Internet has the power to 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 by electronic commerce, more commonly known as e-commerce. 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. 9 2. What’s the structure? Introduction Advantage 1 Advantage 2 Advantage 3 Conclusion 1