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初中英语冀教版八下 Unit 3 Animals Are Our Friends. Lesson 17 Save The Tigers 1. To master the words and phrases: century, fur, symbol, courage, brave, chain, balance,reason, disappear, kill, cut, decrease, at the beginning of, drop to, food chain, in balance 2. To know some sentences about protecting animals. a. For this reason,Tigers are important to the environment. b. Some people hunt and kill tigers for money. c. We must do something about it. 3. To know some ways about protecting animals. 学习目标 1. Do you know what kind of animals are in danger? 2. Why should we help protect animals in danger? Lead in Ask and answer these questions with your partner. Look at the pictures of animals in danger.. Lead in Animals in danger Animals are an important part of the environment. They provide us with food and many other resources. They can be our friends and our helpers. Let’s try our best to protect them! Why should we help protect animals in danger? Lead in Ask and answer these questions with your partner. Learn THINK ABOUT IT Where can you usually see a tiger? Do you think tigers need our help?Why or why not? 6 “Save the tigers” is a group of volunteers. These volunteers hope to save the tigers of the world. At the beginning of the 20th century, the number of tigers in the wild was around 100 000. But today that number has dropped to a few thousand. Tigers live in the forests of Asia. They usually have orange fur and dark stripes. Tigers are symbols of strength and courage. In many stories, they are brave. The tiger is at the top of the food chain. It helps keep the number of other wild animals in balance. For this reason, tigers are important to the environment. Save the Tigers group works to protect the tigers. Learn Learn the text. 7 In recent years, tigers have been in danger of disappearing. Some people hunt and kill tigers for money. People have cut down a lot of trees as well. As forests disappear, tigers lose their homes. The number of tigers in the wild is quickly decrea