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1、Unit13we’retryingtosavetheearth第一课时一、 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,ha
2、rmful,afford.2.TounderstandthepassageonPage99.(二)过程和方法 3.Togetageneralknowledgeofpollutionbyreadingandrole-play. 4.Toknowabouthowtoreducepollutionthroughdiscussion.(三)情感态度和价值观 5.Afterlearningthispart,everystudentwillbeawareoftheserioussituationofpollutionanddeterminedtotakea
3、ctiontoprotectourearthfromnowon.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,playapart
4、in… 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)Herearesomewo
5、rdsarerelatedtodifferentkindsofpollution.Writethemintheboxbelow,andyoucanaddmorewords.loudmusic,littering,buildinghouses,cars,ships,mobilephones,rubbish,factories,planes,smoking. Air pollution NoisepollutionWater3) Role-playthefollowingconversationandmakeyourownconversation
6、saboutthekindsofpollutionabove.A:Theriverwasdirty.Eventhebottomoftheriverisfullofrubbish.B:Butitusedtobesoclean.A:Yes,butpeoplearelitteringintheriver.B:Everyoneinthetownshouldplayapartincleaningitup.2、课堂讲授Step2.Reading 1)Fast-readingNowturntopage99andreadthepagequicklytofindan
7、swerstothesheet. Questions AnswersWhere shark’sfinsoupispopularSouthern ChinaNumbers ofsharkscaughtandtradedeveryyear70 millionHow muchthenumbersofsomekindsofsharkshavefalleninthelast20-30years?over 90percentTwo environmentgroupswhichareagainstfinningWildAid andtheWWF2
8、)careful-readingReadthepassageagainandfillinblanks.So,