英语人教版八年级下册作文课.ppt

1、Unit7Whatsthehighestmountainintheworld?,SectionB(3a-3b),Learningtowrite,版本：2011人教版新目标英语八年级下,授课单位：公主岭市朝阳坡中学授课教师：王欢,Pre-writing,Whatdoyouknowaboutwhales?,Activity1,Whales,However,thenumberofwhalesdecreasesrapidlyeveryyear.,Why?,3a.Readthefollowingwordsandphrasesaboutwhales.Puttheminthecorrectplaceinth

2、echart.,Humanscatchwhalesformeat,fatandoilEatsmallfishandothersealifeJumphighoutofthewaterRulesonwhaleprotectionHugeWaterpollution,Turntopage55,LiveintheseaSomekindshaveteethLearnmoreaboutwhalesStopputtingrubbishintotheseaSingsongsWhalepartssoldtomakethingslikecandlesandsoap,Huge;Somekindshaveteeth,

3、Liveinthesea,Eatsmallfishandothersealife,Jumphighoutofthewater;Singsongs,Humanscatchwhalesformeat,fatandoil;Waterpollution;Whalepartssoldtomakethingslikecandlesandsoap,Rulesonwhaleprotection;Learnmoreaboutwhales;Stopputtingrubbishintothesea,Pre-writing,Letshavealookatotherendangeredanimals.,Activity

4、2,CrestedIbis(朱鹮),曾广泛分布于中国东部、日本、俄罗斯、朝鲜等地，由于环境恶化,大量的水田农药，生存空间越来越狭小导致种群数量急剧下降，至20世纪80年代仅我国陕西省南部的汉中市洋县秦岭南麓仅有7只野生种群，后经人工繁殖，种群数量已达到2000多只,Goldenmonkey(金丝猴),由于人类的过度开发，乱砍森林，金丝猴的栖息地越来越小，他们的生存空间受到威胁，因而他们的繁衍也受到了濒临灭绝的威胁。,ChineseTiger(华南虎),森林面积减少，人类大量捕杀，现仅存72只。,中国特有的淡水鲸类，仅产于长江中下游。在20世纪80年代由于江水污染等原因，白鳍豚种群数量锐减，20

5、02年估计已不足50头,Yangtzeriverdolphin(白鳍豚),Gorilla(大猩猩),人类大量捕猎、猎杀，种群规模缩小,栖息地受到严重破坏，生存空间缩小（森林采伐、毁森开垦)自然环境污染严重,Discussingroups:Whytheseanimalsareendangered?,Eachgroupsendsonestudenttothefrontofourclassroomtoactasoneoftheendangeredanimals.,Task1,Task2,Groupwork,最佳表演奖,最佳语言奖,最具潜质奖,WhileWriting,方法一:善用词汇善用高级词汇,W

6、ritingskills,Whichisbetter?,他们在海滩上听音乐。,ATheylistenedtothemusiconthebeach.BTheyenjoyedthemusiconthebeach.,Whichisbetter?,我希望你能帮助我。,AIwishyoucanhelpme.BImlookingforwardtoyourhelp.,方法二:活用多种句型,Writingskills,她还小，搬不动这么重的箱子。,ASheisveryyoung.Shecantcarrytheheavybox.BSheistooyoungtocarrytheheavybox.CSheissoy

7、oungthatshecantcarrytheDSheisnotoldenoughtocarrythe,方法三:妙用关联词,Writingskills,1.表示并列或递进:and,aswellas,whatsmore2.表示选择:or,eitheror3.表示转折:but,however,althoughthough4.表示因果:because,so,asaresult5.表示条件:if,unless6.表示顺序:firstly,secondly,next,later,finally,intheend7.表示结论:allinall,altogether,inaword,generallyspe

8、aking,inshort,关联词(connectionwords),结尾：提出倡议和号召,LetsDoitnow!/Dontdoitagain!Asstudents,weshouldstartfromourselves.,Dontwait.Joinusnow!Starttojoinusnow!Howamazing!Icantwait!Saveanimals!SaveOurselves!Saveourplanet!,Letshaveatry!,_,Writing,Sincewehaveacknowledgedsomuchaboutendangeredanimals,whatsyourfeeli

9、ngaboutthem?Whatshouldwedo?Pleasewriteanarticlenamed“Letsprotectendangeredanimals!”,Letsgoforit!,(thebeginning),(theending),thebody（正文）,提出倡议或号召！,为什么很多动物濒临灭绝,我们应该怎么做去保护濒危动物,(15minutes),Letsprotectendangeredanimalstogether!,Hereisanevaluationscale(评价标准),Modify(修改)eachothersarticleinpairsaccordingtothe

10、evaluationscaleabove.Correctmistakesaspossibleasyoucan.,Post-writing,LetsshareyourarticlesEachgrouphandsinonearticleandwewillmodifythearticlestogetheronthescreen.Letsgo!,Allofyoudidareallygoodjob.Ifeelsoproudofyou!,Letsconclude,Accordingwhatwelearntoday,ifyouwanttowriteawonderfularticle,youhavetopayattentiontothefollowingpoints:1)format(格式)2)