Module4ThenaturalworldUnit10AirTeachingAims(教学目标):1.能听、说、读、写本课的核心词汇：air,everywhere,alive,smoke,factory,dirty,clean,fresh,plant2.能熟练掌握核心句型：Itkeepsthemhighinthesky.3.读懂描述空气污染的对话。TeachingImportancesandDifficulties(教学重难点)：1.能在语境中正确使用本单元的核心词汇。2.能用句型Itkeepsthemhighinthesky.描述空气的作用。TeachingTools(教学用具)：录音机、自制课件、照片等TeachingProcedures(教学过程)：StepⅠ.Warmupandrevision（热身与复习）1.Greetings.2.Guessinggame.StepⅡ.Presentationandpractice(自主探究)1.生词关T:Pleasewritethemeaningsonyourpaperair______smoke______factory________dirty________clean______alive_________everywhere_______important______2.Learnthenewwords.T:Let’slistenandsaythenewwords.Ss:Readthesewordsafterteacher.3.Workingroupstoreadthenewwords.Recitethenewwords,andthenreciteingroups。4.Watchthescreenandlearntosaythesentences.SeptⅢ.Learnthestory(文本学习)T:Here’sariddle.It’sverylongone.Pleaselistencarefullyandguesswhatitis.Whatisit?Ss:Air.T:Yes,Whatdoyouthinkofair?S1:Airhasnocolour.S2:Airhasnosmellandtaste.S3:…T:Yes.Wecan’tseeit,butwecanfeelit.Airisimportanttoalllivingthings.T:Canyoutalkaboutair?Workingroups.Ss:Talkeachother.1.PupilstrytoanswerthequestionsonPage69.2.Role-playStepⅣ.Consolidation（拓展延伸）Thinkandsay:模仿课文，介绍一样。教学反思：大部分学生能掌握本课的核心词汇和核心句型，小组讨论，谈一谈对空气的认识，学生积极踊跃，大胆表达，教学效果较好。
