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

Lesson 3 Internet and Friendships UNIT 4 INFORMATION TECHNOLOGY By the end of this period, students will be able to: 1. read and talk about how the Internet can harm and help friendships; 2. read for deep understanding; 3. summarise information. CONTENTS Pre-reading I While-reading II Post-reading III Sentences analysis IV Do you think the Internet helps or harms friendships? Why? Positive aspects Negative aspects · brings people closer together · · … · makes people self-centred · … ·… finding people sharing the same interest Pre-reading 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 topic sentence, e.g. examples, reasons. These are the supporting details. Skill Builder What are the two blog posts mainly about? A．The harm the Internet does to friendships. B．How the Internet helps friendships. C．Different people’s reactions to friendships on the Internet. D．Different views on the influence of the Internet on friendships. While-reading Activity 1 Fast-reading for main ideas √ Read and underline the general idea, the topic sentence for each argument. 1. Robert’s Blog Post 2. Cathy’s Blog Post Read and underline the general idea, the topic sentence for each argument. 1．How are important social skills mainly developed according to Robert? A．Through talks on the Internet. B．Through direct contact with people. C．By working with others. D．By being friendly to others. √ The Internet Harms Friendship Activity 2 Careful-reading for details 2．What can we know from paragraph 3? A．Self-centred people have proper communication with their friends. B．Self-centred people are more likely to be concerned about how popular th