免费下载网址http://jiaoxue5u.ys168.com/Unit13We’retryingtosavetheearth一、教材分析本单元带领学生了解了一些有关地球污染，动物濒危等问题。并且教给大家如何保护濒危动物，如何通过回收利用等方式来保护地球。本单元分为sectionAandsectionB两个部分。本课为第一课时带领大家了解地球污染问题，以及探讨如何保护地球，减少污染。二、三维目标(一)知识与技能1.Tolearnthefollowingwordsandexpressions.bottom,coal,public,ugly,cost,advantage,method,cruel,harmful,afford.2.TounderstandthepasageonPage99.(二)过程和方法3.Togetageneralknowledgeofpollutionbyreadingandrole-play.4.Toknowabouthowtoreducepollutionthroughdiscussion.(三)情感态度和价值观5.Afterlearningthispart,everystudentwillbeawareoftheserioussituationofpullutionanddeterminedtotakeactiontoprotectourearthfronnowon.三、教学重点1.Howtousethefollowingwordsandexpressions:cost,advantage,harmful,afford,usedto,playapartin…2.tounderstandthepassageonPage99.四、教学难点1.Howtousethefollowingwordsandexpressions:cost,advantage,harmful,afford,usedto,playapartin…2.tounderstandthepassageonPage99.五、教学策略根据本课教学目标和重点内容，教师可采用听，读，小组讨论，角色扮演等活动来引导学生进行学习。六、教学准备ppt，recorder，mutiple-media七、教学环节1、课堂导入Step1Lead-in1)Showsomepicturesaboutpollutionandaskstudentstodiscusswhat’sthedangerofeachkindofpollution.2)Herearesomewordsarerelatedtodifferentkindsofpollution.Writethemintheboxbelow,andyoucanaddmorewords.loudmusic,littering,buildinghouses,cars,ships,mobilephones,rubbish,factories,planes,smoking.AirpollutionNoisepollutionWater解压密码联系qq1119139686加微信公众号jiaoxuewuyou九折优惠！淘宝网址：jiaoxue5u.taobao.com免费下载网址http://jiaoxue5u.ys168.com/3)Role-playthefollowingconversationandmakeyourownconversationsaboutthekindsofpollutionabove.A:Theriverwasdirty.Eventhebottomoftheriverisfullofrubbish.B:Butitusedtobesoclean.A:Yes,butpeoplearelitteringintheriver.B:Everyoneinthetownshouldplayapartincleaningitup.2、课堂讲授Step2.Reading1)Fast-readingNowturntopage99andreadthepagequicklytofindanswerstoth...
