Unit 4 Understanding ideas 课件-2022-2023学年高中英语外研版（2019）选择性必修第三册

Unit 4 A glimpse of the future Understanding ideas Learning objectives After this class, you are expected to： 1. have a basic idea of AI; 2. know about the main idea and the structure of the passage; 3. learn about the views of the three posters (发帖者） and find relevant supporting sentences and key words; 4. be able to treat AI technology objectively. Artificial Intelligence: A REAL THREAT（威胁）? Warming up Where can AI be used in our lives？ food delivered robot vacuum cleaner face recognition smart phone entertainment (娱乐) transportation education security（安全） medicine economy&finance (经济金融) ... tourism Lead-in Watch a video about the facts of AI and answer the questions. 1. What can you learn from the video？ 2. How do you think AI will develop in the future? Pre-reading Achievement? Or threat? Development Prediction Task1 Skim the passage and predict the main idea. While-reading A. Three views on AI in a forum（论坛） B. The greatest human achievement C. The biggest threat D. Self-driving cars Reading for opinions: Task 2 Read the passage. Then match the opinions with the posters. While-reading A. We all need to learn to live with AI technology whether we like it or are concerned about it. We cannot stop the march of progress. B. I admit that more advanced AI could be helpful in solving the world’s problems, but there is a high level of risk involved. C. I can’t understand why some people worry so much. I hope more breakthroughs in AI will be made soon, so that we can enjoy more and more convenience. positive negative objective Al might wipe out human beings. 4.____________________ 5.____________________ if it falls into the wrong hands. While-reading Al can help us save time. 1. _____________________ 2. _____________________ _____________________ 3.____________________, including those too challenging for Human experts. V.S. Reading for detailed informati