Unit 6 Starting out ＆Understanding ideas课件-2022-2023学年高中英语上学期外研版（2019）必修第二册

Unit 6 Earth first 外研版（2019） 英语 必修二 Understanding ideas 01 02 03 04 Lead-in Pre-reading While-reading Post-reading 01 Watch the video and answer the questions. Which of the facts in the video do you find most alarming? What does the video want to tell us? 01 Lead-in Look at the cartoons and answer the questions. What environmental problem does each cartoon refer to? What are the causes of these problem? What do you think is the most serious environmental problem we face today? What should be done to help solve it? 01 Lead-in Do you know anything about sharks? 01 Lead-in Tick the words that you would use to describe sharks. 01 Lead-in Look at the pictures and the title. Prediction: Will sharks be dangerous or endangered? What is your opinion? Why? dangerous endangered fin 鱼鳍 disappear surface 02 Pre-reading Read para.1 and find out how sharks are described in the film Jaws. Sharks are described in the film as dangerous and bad animals that eat humans. We see a woman swimming at night in a dark sea. Suddenly, she is pulled underwater. She surfaces,cries in fear, then disappears forever. What is the function of para.1 by describing the opening scene of the film Jaws? To introduce the topic. 03 While-reading What was the film’s impact on sharks after it was on in 1975? made people frightened of sharks . sharks were bad animals. started fishing for sharks and killed as many as they could. The number of large sharks around American fell quickly, and soon fell around the world. What's the result? (After 1975, ...) Read para.2 and answer the questions. 03 While-reading Why did people kill so many sharks? Why did people do finning to the sharks? fin finning People believed sharks were bad animals and ate humans. So they killed so many sharks. People finned sharks to make shark fin soup to enjoy and make money. Read para.3 and answer the questions. 03 While-reading How many sharks are killed by finning around the year 1975? A bowl of fin soup= The life of a whole shark