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lead-inDiscussingtheenvirnmenttime:1minutelearningobjectives•1.Tolearnwordsandexpressionsrelatedtoenvironmentalproblems.•2.Tolearntheprefix“eco-”andformnewwordswithit.time:1minutepreview•1.GothroughP26-27andunderlinethewordsrelatedtoenvironment.•2.Explainmeaningsofthephraseswiththehelpofthepictures•acidrain____•globalwarming____•clear-cut-logging________•slashandburnfarming________Time:5minutes探究一：Readtheleafletandlearnthewordsaboutenvironmentalproblems.ecotouristecosystemenvironmentalprotectionsolarengergyfuelpollutioneco-friendly太阳能生态系统燃料污染环保的环境保护生态旅游acidrain酸雨探究二：LearnthecompoundwordsinPartBandlistsomemore.globalwarming全球变暖slashandburningfarmingTheprefix“eco-”comesfromGreekandmeans“earth”.Canyoulistsomewordsthatincludetheprefix“eco-”?探究三：Learntheprefix“eco-”andformnewwordswithit.eco-ecotouristeco-disasterecosystemeco-adventureeco-friendlyecologysummaryWhatdoyoulearntoday?time:2minutesPractice•HelpthemanagementofEcovillewriteanadvertisement.(P27)Answers(1)environmental(2)pollution(3)ecosystem(4)energy(5)fuels(6)eco-friendly(7)ecotouriststime:10minutesHomeworkPreviewthegrammar