Unit 6 Earth first Understanding Ideas 课件-2022-2023学年高中英语外研版（2019）必修第二册

B2U6 Understanding ideas 1 Lead in Watch a clip from the film Jaws and find out what happens. 2 Lead in Watch a clip from the film Jaws and find out what happens. 3 Tick the words that you would use to describe sharks. dangerous powerful endangered interesting man-eating terrifying cute intelligent huge More:________ an endangered animal is sth that may soon no longer exsit Main idea of each paragraph: Para 1 a. Jaws caused misunderstanding and people are more scared of sharks. Para 2 b. The number of large sharks fell quickly due to fear of sharks and finning. Para 3 c. Peter found that his book was wrong about sharks and sharks are endangered. Para4. d. Jaws strengthened the idea of sharks as a dangerous animal. Para 5 e. More people want to protect sharks now. Activity 1 Look through the text quickly and match the main idea of each paragraph. Step 2 Read for main idea 板书题目 根据学生回答： 5 Sharks: Dangerous or Endangered? Part 1: Para.________ _____________ Part 2: Para.________ _____________ dangerous endangered 3 4 2 1 Part 3: Para.____ More people want to ___________________________ protect sharks from extinction 5 Para 1 Jaws strengthened the idea of sharks as a dangerous animal. Para 2 Jaws caused misunderstanding and people are more scared of sharks. Para 3 The number of large sharks fell quickly due to fear of sharks and finning. Para 4 Peter found that his book was wrong about sharks and sharks are endangered. Para 5 More people want to protect sharks now. 6 What is the author's purpose in writing the passage? 1. To criticise Peter Benchley's misleading description of sharks in his book and advocate the protection of sharks. 2. To explain people's misunderstanding of sharks and raise awareness of shark protection. 3. To inform people about sharks and recommend the film and the book to them. Step 3 Read for details Read Paragraph 1 and answer the questions What kind of story does the film Jaws