Unit 22 Lesson 2Endangered SpeciesAfter this lesson, you will be able to:1.get some information about endangered animals,2.realize the importance of protecting animals,3.describe endangered animals with some sentence patterns.Step 1: Lead in (导导)1. Match the names of the endangered species with their pictures?pandassnow leopardsYangtze dolphins tigersYangtze alligatorscrested ibisWhere can we see these animals now? Why?illegal hunting:wildlife trade for moneyfor foodget body parts of the animals keep them as petsthe loss of habitat habitat pollutedpanda: Numbers : Habitat :Food :Reason for being endangered :tigerNumbers world-wide : Numbers of species remaining :Reasons for being endangered :Step 2: While-listening (学学)1. What questions can you ask in order to get the following information?panda: Numbers : Habitat :Food :Reason for being endangered :How many pandas are there in all?一共有多少只熊猫？一共有多少只熊猫？Where do they live?他们居住在哪？他们居住在哪？What do they live on?他们以什么为生？他们以什么为生？Why are they endangered?为什么他们濒临灭绝？为什么他们濒临灭绝？2. Note-taking (学学)panda: Numbers : -world wide : -in special centers : -in zoos : Habitat :Food :Reason for being endangered :1,60012020bamboo forests (of centeral China)bamboohuman activity destroying their habitatTiger :Numbers:Species remaining :Reasons for being endangered :1.2.killed by hunters for false beliefsloss of their natural habitat55,0001. Think about some sentences to describe:1)The numbers of endangered animals:2)The food the animals eat:3)The habitat for animals:4)The reasons for being endangered:Step 3: Discussion: (研研)1. The total number of .is .2. The number of .has fallen / decreased to.3. There are only left now.4.2. The . mainly live on .(食物食物)5.3. The . usually live in . （栖息地）（栖息地）6.4. The reason why the number of .has 7. decreased is that.8. 2. In your opinion, what should we do to save these animals? And why should we do so? call for an end to illegal hunting improve public awareness of protecting make laws to. punish those who. set up / establish conservation area Step 4: Speaking (展展)1）亚洲象：）亚洲象：Asian Elephant 数量数量 : 35,000 -60,000国家国家 : 印度及一些亚洲国家印度及一些亚洲国家栖息地栖息地: 森林森林 原因原因 : 非法捕猎非法捕猎, 获取象牙获取象牙（tusks）保护措施保护措施 : 制定法规；制定法规； 制裁非法捕猎者；制裁非法捕猎者； 建立国家保护区建立国家保护区2）猩猩：）猩猩：orangutan 数量：15,00024,000国家：马来西亚和印尼栖息地：丛林下降原因：非法砍伐丛林保护措施：制定保护法律； 保护森林； 提高公众保护意识 Step 5: Writing (homework)白鳍豚：白鳍豚：Yangtze Dolphin 白鳍豚是中国唯一的淡水豚，白鳍豚是中国唯一的淡水豚，被誉为被誉为“水中的大熊猫水中的大熊猫”，是世界上，是世界上12种最濒危动物之一。种最濒危动物之一。数量数量 : 到到2002年估计不足年估计不足50头头国家国家 : 中国中国栖息地栖息地: 长江流域长江流域 主食：主食：鱼虾鱼虾原因原因 : 过度捕捞使得白鳍豚失去主食；过度捕捞使得白鳍豚失去主食； 水域严重污染；过往船只打死打伤水域严重污染；过往船只打死打伤保护措施保护措施 : 制定法规；制定法规； 保护水源；保护水源； 科学研究进行保护；科学研究进行保护； 提高公众保护意识提高公众保护意识