Unit6 Earth first第一课时Stating out&understanding ideas课件-2022-2023学年高一英语外研版(2019)必修第二册同步教学课件

U6 Earth first Staring out Understanding ideas To think about some environmental problems we are facing. To express your ideas on how these environmental problems arise by watching a video and looking at some pictures. To discuss with classmates on how to protect the earth. 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 Watch the video and answer the questions. Which of the facts in the video do you find most alarming? 2　What does the video want to tell us? Severe environmental problems we are facing nowadays make our future uncertain. It’s time for everyone to take action now and make our planet a greener and safer place for our future generations. Do you know anything about sharks? Brainstorm: What will you think of when we talk about sharks? dangerous powerful scaring man-eating terrifying huge cute intelligent A picture is worth a thousand words. Different pictures voice different feelings. Look at the title and pictures. What will the passage talk about? 02 Pre-Reading Prediction: Will sharks be dangerous or endangered? What is your opinion? Why? fin 鱼鳍 Look at the pictures and the title dangerous endangered 大白鲨 disappear surface 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 an