Unit 4 Information Technology Lesson 3 Internet and friendships 课件-2023-2024学年高一英语北师大版（2019）必修第二册

Unit 4 Lesson 3 Internet and Friendships (1) 新 课 导 入 Let’s talk Do you think the Internet helps or harms friendships? Give your reasons. Positive aspects Negative aspects ◎ bring people closer together ◎ makes people self-centred 2 Read the first blog post “The Internet Harms Friendships”. Underline the general idea and the topic sentence for each argument. Skill Builder Identifying Topic Sentences and Supporting Details A topic sentence states the general idea or the main point of a text or paragraph. Supporting details give more information about that topic. Read the text to get the general idea. Identify one sentence for each argument that states this general idea. This is the topic sentence. Read the text again. Look for extra information that supports the tropic sentence, e.g. examples, reasons. These are the supporting details. While-reading 课 堂 学 习 The general idea While the Internet can bring people closer together, it can also harm friendships. The topic sentence for each argument Argument 1: Firstly, talking online is no replacement for face-to-face contact. Argument 2: Secondly, the Internet can make people self-centred. Argument 3: Thirdly, online relationships may not be what they appear to be. 3 Read the first blog post again. Complete the information on the left side of the diagram. Negative aspects Argument 1 Topic sentence: Firstly, talking online is no replacement for face-to-face contact. Supporting details: Images really cannot replace a real-life smile or hug. Communicating through a screen makes it more difficult for children to concentrate or show kindness to others. Negative aspects Argument 2 Topic sentence: Secondly, the Internet can make people self-centred. Supporting details: Instead of having proper conversations with their friends, some people are only concerned with their online popularity. In addition, a lot of the content posted on social media is shallow or trivial. Negat