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

Unit 1 Nature in the balance Welcome to the unit & Reading 1. Understand the significance of the Amazon rainforest; 2. Develop the awareness of protecting the Earth’s ecosystem; 3. Improve reading skills; 4. Learn some important sentences. Lead-in Listen to the song The Earth is our only home and discuss the following questions in pairs. How to understand “harm” and “alarm” in this song? What is the message of the song? The Earth is our only home The human race has done much harm. We have polluted our soils and seas, And cut down too many trees. Now is the time to sound the alarm. We want to live in a world that’s clean; We want to live in a world of green. The human race has done much harm; Now is the time to sound the alarm. Let’s be thankful for the skies above; Let’s plant new trees and stop pollution; Let’s work together to find the solution; The Earth’s our home to protect and love. We want to live in a world that’s clean; We want to live in a world of green. Let’s be thankful for the skies above; The Earth’s our home to protect and love. pollute soils pollute seas cut down too many trees 1. (1) Can you list “harm” that the song has expressed? (2) How to understand “harm” in this song? “Harm” means something bad we have done to the Earth, including polluting soils and seas, cutting down too many trees, etc. 2. (1) Can you list “alarm” that the song has expressed? (2) How to understand “alarm” in this song? Be thankful for the skies; Plant new trees; Stop pollution; Find the solution. “Alarm” means the signal that warns us of the dangers of environmental damage, which urges us to find a solution to this problem. 7 3. What is the message of the song? Humans have done much harm to the Earth, and we have to take action to change this situation. Let us not, however, flatter ourselves overmuch on account of our human victories over nature. For each such victory nature takes its revenge on us. Let’s protect our earth together！ think too highly of ourselves b