北师大版九年级全册Unit 9 Save the Planet Lesson 27 Tree Heroes课件（17张ppt）

Unit 9 Save the Planet Lesson 27 Tree Heroes seedling big tree How long does it take ？ Provide shadow Make tables, chairs…… Turn CO2 into O2 Home to many animals Prevent soil from being washed away Make our living place look better All in all, we can’t leave without trees. What can trees be used for ? Tree Heroes What is the passage probably about？ Predict: Will the passage talk about the following matters? 1. Problems caused by cutting trees. 2. Work of trees heroes around the world 3. Tree planting around the world. 4. China need to plant more trees. 5. Everyone should learn from tree heroes. Skim and Check 1. Problems caused by cutting trees. 2. Work of trees heroes around the world. 3. Tree planting around the world. 4. China need to plant more trees. √ in China 5. Everyone should learn from tree heroes. √ √ Skim and Match Problems caused by cutting trees. Work of trees heroes in China. China need to plant more trees. we should learn from tree heroes. Para. 1 Para. 2 Para. 3&4 Para. 5 Part I Part II Part III Part I — Problems caused by cutting trees. 1. Some land become _____. 2. Some land become _____. 3. Some land no longer _____. What changes have taken place? cities or towns farmland has any trees Land changes Land changes Environmental changes 1. Climate is _____. 2. Animals _____. 3. Deserts _____. When land greatly changes, what changes does our environment have? affected move or die expand Problems are very serious! Part II — 1. Do these changes take place in China? How do you know? Who are some of the people behind these huge numbers? ① China needs to plant more trees. 2. What should China do now? 3. How is China’s tree-planting work going on now? 4. Why does China plant more trees than the rest of the world? TREE HEROES Zou Lianying Wei Guiying How long How many trees Difficulties What they think of their work Among all the tree planters, what makes Zou and Wei ? Almost 20 years More than 20 years 8 million trees covering 4 km? Millions of trees covering 20km? 1. She didn’t have enough money. 2. She started at a very old age. She didn’t have enough money. A gift to the future generations proud special Part II — ② Work of tree heroes in China. Think & Share Why does the writer think Zou and Wei are tree heroes? 2. Of the two tree heroes, what touches your heart most? Why? They have great love for the country and future generations and take actions make a huge difference. They have overcome lots of difficulties. Think Is it enough to plant trees only by trees heroes? We need not only tree heroes but also more tree planters. Part III—EVERYONE should learn from the tree heroes. Not everyone can be tree heroes, but everyone can be tree planters. So everyone should play a part in protecting the environment. 组建volunteer team并写一封倡议书，将在一次全市植树公益活动中进行演讲, 宣传目前中国种树取得的良好进展，并号召更多的人行动起来。 Team Name ? Achievements of tree planting in China ? Good examples and their difficulties ? ... ...