仁爱英语九年级上册Unit 2 Topic 3 Section A.ppt

Do you know how these kinds of pollution affect our environment? What should we do to improve our environment? Can you sort the garbage? What can we do at home to protect the environment? We should reduce the waste we produce. For example, we should use both sides of paper and reuse plastic bags. Listen to 1a again and answer the questions. (1) Who is working for an organization that protects the environment? Jane. (2) What’s her main job? Her main job is to help spread the message about protecting the environment. (3) Should we use both sides of paper? Yes, we should. (4) Why is the recycling useful? It can protect the environment, and it can save money, too. 1a Listen, look and say. 1b Listen to 1a and complete the table. 1c Read 1a and complete the sentences. The three R’s ---______, ______ and _______ --- are important. At home, we can, for example, use both ______ of paper and reuse _____ bags. At school, students are encouraged to _____ waste paper and ______________ because recycling can protect the ____________ and _______ money. Then we _______ them ______ they can be recycled. (1) We should use plastic bags as few as possible. (2) We should throw the garbage in the river. (3) We should reduce the waste we produce. (4) We should use both sides of paper. (5) We should throw the plastic bags rather than reuse them. (1) You nod your head and it means agreement. (2) Hurry up, or you’ll miss the train. (3) Water is important but some people don’t save it. (4) Some people protect animals while others kill animals. 并 列 句 连词 or, and, but 和 while的用法 2 Combine the sentences with or, and, but or while, making some changes if necessary. 1. Noise is a kind of pollution. It’s harmful to our hearing. Noise is a kind of pollution and it’s harmful to our hearing. 2. Work hard. You will fail the exam. Work hard, or you will fail the exam. 3. Nodding the head means agreement. Shaking the head means disagreement. Nodding the