(
课件网) Unit 3 Animals Are Our Friends Lesson 17 Save the Tigers 1. To master the new words and phrases century, fur, symbol, courage, brave, chain, balance, reason, disappear, kill, cut, decrease, in the beginning of…, the number of…, keep… in balance, as well 2. To learn about the situation the tigers face. 3. To be able to talk about the ways we can do to protect the animals. Learning objectives Warm up What animal do you know are dying out New words and expressions. century fur symbol courage brave chain n. 世纪 n. （兽类的）毛 n. 勇气；胆量 n. 标志；象征 adj. 勇敢的；无畏的 n. 链子；链条 New words and expressions. balance reason disappear kill cut decrease n. 平衡；平稳 n. 原因；动机；理由 v. 杀死 v. 消失；失踪 v. 砍；切；剪；割 v. 使……变小；减少 Fill in the blanks. 1. There are 100 years in a _____(世纪). 2. The rose is regarded as a _____(象征) of love in both China and some Western countries. 3. He faced his illness with great _____(勇气). 4. The _____(勇敢的) boy put out the fire with a blanket at last and saved the old woman. 5. Could you tell me the _____(原因) for your long silence 6. The police are trying to find out who _____(杀死) the old man. century symbol courage brave reason killed Think about it. · Where can you usually see a tiger · Do you think tigers need our help Why or why not Read the lesson and match each paragraph with its main idea. 1 A. Tigers are in danger of going extinct . B. “Save the Tigers” is a volunteer group that hopes to stop the tigers from disappearing . C. Tigers are important to the environment . Save the Tigers Paragraph 1 Paragraph 1 Paragraph 1 B C A _____ Read the lesson again and find some sentences to support the main idea of each paragraph. 2 Save the Tigers Paragraph 1 “Save the tigers ” is a group of volunteers. These volunteers hope to save the tigers of the world. _____ _____ Read the lesson again and find some sentences to support the main idea of each paragraph. 2 Save the Tigers Paragraph 2 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. _____ Read the lesson again and find some sentences to support the main idea of each paragraph. 2 Save the Tigers Paragraph 3 In recent years, tigers have been in danger of disappearing. As forests disappear, tigers lost their homes. The number of tigers in the wild is quickly decreasing and we must do something about it. Language Points At the beginning of the 20th century, the number of tigers in the wild was around 100 000. 在……之初 ……的数量 【探究】 at the beginning of… 表示“在……之初”，其后常接 表示时间的词。beginning在此处作名词，意为“开始”。 in the beginning 意为“起初，起先”，相当于at first。 eg: She left here at the beginning of this month. Everything’s hard in the beginning. 这件事发生在21世纪初。 The event happened _____ _____ _____ _____ the 21st century. ... ...
