北師大版高中英語選修八unit22environmentalprotectionword教案(編輯修改稿)

　

【文章內容簡介】 Today the quality of our natural environment has bee an important issue. The world population is rising so quickly that the world has bee too crowded. We are using up our natural resources and at the same time polluting our environment with dangerous chemicals. If we continue to do this， life on earth cannot survive. Happily concerned people have made some progress in environmental protection. Governments of many countries have established laws to protect the air， forests and sea resources and to stop environmental pollution. People should be further educated to recognize the importance of the problems, to conserve our natural resources and recycle our products. So in this class we are going to learn Environmental Protection. Step II Unit objectives In this unit you will ? Deal with In this unit you will?. First ask students to read Unit objectives, which is a clear direction to learning Unit 22. Ask them to think about which of the objectives will be most important for their individual learning. T: Good morning /afternoon, class! Ss: Good morning/ afternoon, Mr. /Ms? T: Look at the two logos! Can you guess what anization they stand for? S1: The first one stands for State Environmental Protection Administration of China. S2: The second is the logo of Earth Summit. T: Quit right! They both have some association with Environmental protection. In this unit, we are going to learn something about Environmental protection. As usual, before we start a new unit, what shall we do? Ss: Learn the unit objectives. T: What are the objectives in Unit 22? (Show the unit objectives on the PowerPoint and color the language skills. Ask students to pay more attention to the colored words. Or ask students to read the unit objectives on Page 5 together, and they should pay more attention to the words in blue.) Please discuss which of the objectives is most important to you. After discussing the unit objectives, go on with Warmup. Step III Warm– up Deal with Ex1 in Warmup. Show some pictures or video clips about environmental problems for students to describe. T: Now let’s watch some video clips and then you will be asked to describe the environmental problems you’ve seen in the videos. S1: In the first video clip, we saw some natural disasters: earthquake, flood, volcanic eruption and drought. S2: In the second clip, the government calls on people to protect the endangered animals. S3: From the third clip we’ve learned thousands of people in the world are living in poverty. S4: From the fourth one we can learn waste gasses from cars can cause global warming. ... T: From the video clips we learn there are many environmental problems. Please open your books and look at the Key Words in Ex1 on page 5. They are about environmental problems. Let’s read the Key Words together. ... T: (After reading the Key Words) Please plete the sentences. After finishing the sentences, you may work in pairs and check your answers. After checking the answers, ask students to read the sentences together. ... T: Do you know who help protect the Earth’s natural environ ment? Show the logo on the PowerPoint. Step IV Culture Corner Introduction of the Panda Logo T: Look at the logo please. Can you get the full name of the anization? What do the initials WWF stand for? (Show the following pictures on the PowerPoint.) Ss: The World Wildlife Fund. T: Quite right! Back in 1961 when it was founded, WWF stood for the World Wildlife Fund. However, as the anization grew over the 70s and into the 80s, WWF began to expand its work to conserve the environment as a whole (reflecting the interdependence of all living things), rather than focusing on selected species in isolation. So although we continued to use our wellknown initials, our legal name became World Wide Fund for Nature (except in North America where th