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

Welcome to the unit & Reading —Reading comprehension Unit 1 Nature in the balance By the end of this class, students will be able to: 1. summarize the basic information about the Amazon rainforest; 2. understand the significance of the Amazon rainforest; 3. master the technique of “making comparisons” which helps readers understand a large figure; 4. develop the awareness of protecting the Earth’s ecosystem. CONTENTS Pre-reading I While-reading II Post-reading III Sentences analysis IV V Welcome to the unit 3 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? Welcome to the unit Lead in 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. 8 3. What is the message of the song? Humans hav