Unit 6 Earth first Understanding ideas 课件-2025-2026学年高中英语外研版必修第二册

Sharks: dangerous or endangered? Learning aims: 1. Students can know the purpose and opinions of the author, and understand the content of the passage. 2. Students can improve skimming, scanning and carefull reading skills. 3. Students can analyze the passage critically, and raise the awareness of protecting endangered animals. 2 Key and Difficult Points 2. Students understand the structure of the passage, express your ideas clearly and know the importance of protecting nature. 1.Students can know the meaning of the title, and figure out why sharks are dangerous and endangered. huge dangerous endangered man-eating powerful sharp teeth terrifying intelligent cute interesting Lead - in What is it? What do you think of sharks? 两个学生不同观点, do you agree with them? Dangerous Endangered? OR Make a prediction （预测） With your predictions, read the passage quickly and find out the main idea of each part. 5 Fast - reading 1. We see a woman swimming at night....disappears forever; It strengthened...a dangerous animal. 2. People ....scared of sharks...; People wanted them killed. 3....the numer of large sharks fell qucikly; Finning kills millions of sharks a year. 4.Finning would have...upon Peter Benchley... Only around six people are killed by sharks every year. 5. Fortunately,.... more people want to protect them. The first and last sentence of each paragraph. So the author mainly wants to say that sharks are _____________. endangered Match the main idea with each paragraph. Paragraph 1 A. Peter admitted his mistakes and began to fight for protecting sharks. Paragraph 2 B. The successful film gave people the impression that sharks were dangerous. Paragraph 3 C. Some people preferred to learn more about sharks after watching the film Jaws. Paragraph 4 D. Jaws caused people to react differently. Paragraph 5 E. Finning speeds up the drop in numbers of sharks. Complete the structure of it. Sharks: Dangerous or Endangered? Para ________ dangerous Para ________ endangered Para______ More people want to protect sharks from extinction. 3-4 1-2 5 Careful - reading 1.How are sharks described in the film Jaws? 2.What did people do after watching the movie? 3. The third paragraph mainly tells . 4. What are fins used to do by humans? 5. What’s the result of finning? 6. When Peter Benchley saw so many dead sharks, he began to__. 7. How does the writer feel about the future of the sharks? Questions: Read paragraph 1&2 carefully and finish the exercises. 1.How are sharks described in the film Jaws? Sharks are described in the film as dangerous and bad animals that eat humans. 2.What did people do after watching the movie? Some people stopped swimming in the sea, and other people started fishing for sharks. the film Jaws Director: Steven Spielberg Writer: Peter Benchley  A.Finning led to sharks’ number falling. B.Finning should be forbidden by the law. C.It’s cruel for the sharks to be killed for profit(利益). D.It’s the film that makes finning popular. Read paragraph 3 and finish the exercises. 1.The third paragraph mainly tells . 2. What are fins used to do by humans? 3. What’s the result of finning? A.feel sorry for sharks B.become ashamed of his lack of knowledge C.admit his misunderstanding of sharks D.give up writing to protect sharks A.Worried. B.Pessimistic(悲观的). C.Unconcerned. D.Optimistic. Read paragraph 4&5 and choose the best answer. 4.When Peter Benchley saw so many dead sharks, he began to__. 5.How does the writer feel about the future of the sharks? why? Post - reading other endangered animals What should we do to protect sharks and other ocean animals? Discussion 1. change people’s attitude 2. make laws 3. publicise （宣传） the importance 4. not to trade ... （2022年·全国卷）你校将以六月八日世界海洋日为主题，举办英语征文比赛，请你写一篇短文投稿。 内容包括： 1. 海洋的重要性； 2. 保护海洋的倡议。 注意：1. 词数100左右； 2. 短文的题目和首句已为你写好。 Homework Summary What have you learned after learning the passage? Exercises True or False 1. Sharks regard people as food , and they like to attack people. ( ) 2. More people want to protect sharks from extinction. ( ) 3. The number of large sharks fell quickly because the water was seriously polluted. ( ) F T F What’s the author’s purpose in writing the passage? A. To criticize(批判) Peter Benchley’s misleading description of sharks in his book and advocate（提倡） the protection of sharks B. To explain people’s misunderstanding of sharks and raise awareness of shark protection To inform people about sharks and recommend the film and the book to them Thank you Lavf57.41.100 Lavf58.20.100 $