(
课件网) We live on the Earth. There are many natural elements around us. We cannot live without them. They are all around us. What do you know about … air Air is … Air has … We need air to … We can … with air. What do you know about air How to make a parachute What do you know about … trees When is Tree Planting Day What do we get from trees What do we use wood to make What can trees do Trees make our city beautiful. We get a lot of things from trees. Trees can keep the air clean. What will our Earth be like if there are no trees What should we do to protect our Earth What do you know about … the Earth Protect the Earth There are also many people like you and me on the Earth. The Earth provides us with air, water and food. It is our home. There are many different plants. Some are large. Some are small. All plants need light and water. There are different animals on the Earth too. Some live on the land. Some fly in the sky. Some live under the water. The Earth is a beautiful place. There are forests and rivers, mountains and fields. Some places are very hot, and some are very cold. Today, there is a lot of pollution. We burn things to make energy. This pollutes the air. We put our rubbish into the sea and under the ground. This pollutes the Earth and kills animals and plants. Places on the Earth Plants and animals People on the Earth Pollution We must stop doing these things. It is important for us to protect the Earth for our future. We should stop throwing rubbish into rivers. We should stop cutting down so many trees. We should stop using plastic bags. Let’s read！ We must save the Earth. People must stop cutting down forests. People must stop killing animals. People must stop polluting the air. People must stop polluting the land. People must stop polluting the sea. Complete the sentences The funny dog makes me … I make my mum … on Mother’s Day. The cars and buses make the air … I always keep my schoolbag … The air keeps us … Make a sentence with Make a sentence with get … from … use … to ... wood get fruit get flowers from paper to make pencils use to make chairs 谢谢 21世纪教育网（www.21cnjy.com) 中小学教育资源网站 有大把高质量资料？一线教师？一线教研员？ 欢迎加入21世纪教育网教师合作团队！！月薪过万不是梦！！ 详情请看： https://www.21cnjy.com/help/help_extract.php
