牛津上海版深圳六上unit12theearthppt课件内容摘要：
4. People make the Earth dirty. It is pollution. FTT T1. The Earth provides us with air, water and food. A. gives B. shows 2. We burn things to make energy. A. set … on fire B. make … strong 3. This pollutes the air. A. makes … clean B. makes … dirty 4. This pollutes the Earth and kills animals and plants. A. cleans B. makes … die 5. It is important for us to protect the Earth. A. keep … safe B. change Do you know the meanings of the words in red? Circle the correct answers. We must stop pollution. It is important for us to protect the Earth. Protect the Earth In pairs, discuss the questions below. They are oceans. What do you know about the Earth? 1 What are the blue parts? ______________________ 2 What are the green and brown。阅读剩余 0%
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