4.5 More practice【课件】-2022-2023学年七年级英语下册同步精品课堂（沪教牛津版）（广州沈阳通用）

英语（牛津版） 七年级下册 English Unit 4 Save the trees More practice & culture corner Forests can keep the balance of carbon dioxide and oxygen in the air, and can also remove harmful gases from the air, so they are called “the lungs of the earth”. So we must protect forests The lungs of the earth——forests 1 课堂导入 Do you know which place it is? It’s the Amazon rainforest, the largest rainforest in the world. It is in South America. Where is the Amazon rainforest? How large is it ? It is very large covering an area of 7 million square kilometers and spreads across nine countries. Read the article below about the Amazon rainforest. Then complete the notes. The Amazon rainforest The Amazon rainforest in South America is the largest rainforest in the world. It covers five and a half million square kilometres of the Amazon Basin and spreads across nine countries. The Amazon rainforest is very is important because it is home to thousands of animals, birds and insects. 2 课堂活动 A However, people are destroying the area by cutting down many of the trees. This is called “deforestation”. Many living things lose their homes because of deforestation. As a result, the number of kinds of animal, birds, insects and trees in the world is decreasing. We must do our best to protect the Amazon rainforest. 1. Where is the Amazon rainforest? In South America. 2. How large is the Amazon rainforest? It covers five and a half million square kilometres of the Amazon Basin and spreads across nine countries. Answer the following questions. 3. Why is the Amazon rainforest very important? Because it is home to thousands of animals, birds and insects. 4. What does “deforestation” mean? It means destroying forests by cutting down the trees. 5. What is the result of deforestation? Many living things lose their homes and the number of kinds of animals, birds, insects and trees in the world is decreasing. 6. What should we do? We should do our best to protect the Amazon rainforest.