Unit 1 Nature in the balance Welcome to the unit 教案-2023-2024学年高中英语译林版（2020）必修第三册

Book 3 Unit 1 Nature in the balance Welcome to the unit Teaching Aims: By the end of this class, students will be able to 1. have a better understanding of the chunk about environmental protection; 2. complete a song with the words after listening and learn to find the rhythm in it; 3. have a free talk about the different type of environmental protection. Teaching Important Point: Understand the message of the song. Teaching Difficult Point: Know about the importance of environmental protection. Teaching Methods: Seven-step method, discussion method, co-operation method. Teaching procedures Step 1. Lead-in The teacher asks students to watch the video about human and nature. Work in pairs. And share how they feel about the world we’re living in. Step 2. Learning Aims 1. have a better understanding of the chunk about environmental protection; 2. complete a song with the words after listening and learn to find the rhythm in it; 3. have a free talk about the different type of environmental protection. Step 3. Self-study 1. harm 2. soil 3. ecosystem 4. overseas 5. region 6. continent 7. length 8. biodiversity 9. species 10. nut Brazil nut 11. lily water lily Step 4. Guidance and Exploration Exploration 1. Listening The teacher asks students to listen to the song and fill in the blanks. Exploration 2. The teacher asks students to answer the following questions: What are the rhyming words in this song? How do you understand “harm” and “alarm” in this song? “Harm” means something bad we have done to the Earth, including polluting soils and seas, cutting down too many trees, etc. “Alarm” means the signal that warns us of the dangers of environmental damage, which urges us to find a solution to this problem. Exploration 3. Language points The human race has down much harm. n.伤害 mean no harm to sb....（对某人无恶意） do no harm 对...没有伤害 do ( great/much/a lot of )harm to 对....造成巨大的伤害 He would never frighten anyone or cause them any harm . 他永远不会吓唬或伤害任何人。 v. 伤害，损害 He