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1、Chapter6PollutionFightersMorepractice一、章节分析(SectionAnalysis)(一)综述本单元是以信件的形式出现,通过“Treesforlife”组织写给人类的一封信,重点说明树木与人类息息相关,非常重要,但现在好多树木被砍伐,呼吁大家加入treesforlife这样的一个组织,为植树造林作出贡献。重点学习一些词汇和词组,如:“shade,value,shelter,cure,without…giveup”等,(二)目标1.了解更多关于树木的重要作用。2.重点学习一些词汇和词组,如:“shade,value,shelter,cure
2、,without…giveup”等,(三)重点和难点拓展词汇和词组:Benefitremovecarbondioxideurbanincreasevaluepropertywashawayshadecuree-mailinfoorgmembershipzipoccupation二、教学设计(TeachingDesigns)教学内容教学实施建议教学资源参考MorepracticeA部分建议教师布置预习作业,让学生通读这篇文章,对于新的单词进行上下文的猜测或直接在字典中查询,进行单词的自学。课堂上完成三个问题的回答。B部分,直接在课堂中完成,并通过实物投影展示学生的表格,对其中
3、发生的错误进行纠正和评讲。C部分,可以让学生分组讨论,并完成poster的制作,可以放在课内完成,也可选择做为拓展型回家作业,让学生课后完成,可以从树的作用,目前树木所面临的问题和如何来保护树木这三个角度出发,进行海报的制作,在教师浏览后,可以选择其中做得好的,作为班级展示,进行保护树木的宣传。(如果放在课后做的话,可以用更多的关于树木的阅读文章进行阅读训练,(见链接4)[链接4]说明:关于树木的更多阅读文章。 仅供参考Anoldtreetellsyou…Dearhumanbeings:Ihesitatedalotbeforewritingthisletter.AllI
4、wanttodoistoaskyoutohavealookatyourlife.ButI’mnotsurewhetherornotyou’llpayattentiontome.I’maprettyoldtree:I’m80yearsold.SoI’veseenmuchoftheworld.We’velivedonEarthwithyouforthousandsofyears.Eachdaywereleaseoxygenandremoveharmfulgassothatyouhavepureair,wecooltheairsothatyoudon’thavetorunyour
5、airconditionersallthetime,wehelppreventtheEarth’ssoilfrombeingwashedaway,andaboveall,wegiveallkindsoffruits,nuts,beansaswellaswoodtoyou.But,weareingreatdangernowbecauseofyou.Youare,infact,destroyingusataterriblespeed.Youareburningandcuttingdownmillionsofuseachyear,butyou’renotplantingenoug
6、h.Foreverytreebeingplantedtoday,30treesarebeingcutdown.Whatwouldyoudoifallofusdied?Perhapsyouwoulddie,too.Withoutus,youwouldn’tgettheingredientsforsomeofyourimportantmedicines,youwouldn’thaveenoughmaterialsforbuildings,furniture,paperproducts,andyourcitieswouldlookugly.Moreover,airpollutio
7、nandnoisepollutionwouldbecomemoreandmoreserious,andyourlifewouldturnnasty…Well,thelistcouldgoonforever,butIthinkIshouldstop.Thebestthingforyoutodonowistostopyourbadpractice.Pleasestopdestroyingusandstartprotectingtheenvironment,becausewearethebestfightersagain