Unit12TheEarth教案牛津版Teaching Aims(教学目标):   1.能听、说、读、写本课的核心词汇：earth,forest,ocean,land,part,rubbish,somany   2.能熟练掌握核心句型：Weshouldstopcuttingdownsomanytrees.   3.通过学习，增强环保意识，提出环保建议。 TeachingImportancesandDifficulties(教学重难点)：   1.能在语境中运用本课的核心词汇和句型。   2.学生能运用核心句型交流看法。TeachingTools(教学用具)：   录音机、自制课件等TeachingProcedures(教学过程)：StepⅠ.Warmupandrevision（热身与复习）   1.Singasong.   2.Dosomewarming-upexercises.StepⅡ.Presentationandpractice（呈现新语言知识和练习）   1.Leadin.      T:Look!Whatisit?      Ss:It’searth.      T:What’sontheEarth?Whatdoyousee?      Ss:Iseeforest./Iseeland./Iseeoceans.\n      T:Yes.TodaywearegoingtolearnmoreabouttheEarth.   2.Askandanswer.      T:WhatdoyouknowabouttheEarth?      Ss:Wegetwoodfromtrees. Wegetfruitfromtrees.      T:Whatdoweusewoodfor?      S1:TheEarthisround.      S2:Thereareanimals,peopleandplants.   3.Learntosayandusethewords.      Thestudentssayandspellthewords.   4.WatchthecartoonandtalkabouttheEarth.      T:Whatarethegreenparts?      Ss:Theyareforests.      T:Howaboutthebrownparts?      Ss:It’sland.      T:What’swrongwiththeEarthnow?Readthisdialogueagainandtrytofindtheanswer.      S1:TheEarthwasclean,butnowsomepartsaredirty.      T:WhatshouldwedotohelptheEarth?      Ss:WeshouldkeeptheEarthclean.   5.Thepupilsreadthetextcarefully.Andthentrytodosomeexercises.\nStepⅣ.Consolidation（拓展延伸）   Actoutthedialoguesingroups.