chemical-or-organic-farming公開(kāi)課課件新

1、Unit2wkingthelUsinglanguage(Reading&Writing)Firstbuytheseedsfromtheshop.TheprocessoffarmingshopSecondplow（犁田）turnoverthesoil.Thirdsowtheseedsinthesoil.Finallyharvestourgrain.toincreaseproductionofthecropsfertilizersferti

2、lizerHowmanykindsoffertilizersdoyouknowchemicalfertilizersnaturalfertilizerschemicalfarmingganicfarmingchemicalfertilizersnaturalfertilizersBetter？ChemicalganicFarmingEffectsofchemicalfertilizerProblemscausedbychemicalfe

3、rtilizers.P1.P2.Farmerscustomersturntoganicfarming.(advantages)Othermethodstokeepthesoilfertile.P3.P4.Task1.SkimmingfthemainideaSkimming:readthepassagequicklytogetageneralideaYoucangetitfromthefirstthelastparagraphalsoto

4、picsentenceReadingskill:EffectsofchemicalfertilizerProblemscausedbychemicalfertilizers.P1.P2.Farmerscustomersturntoganicfarming.(advantages)Othermethodstokeepthesoilfertile.P3.P4.Task1.SkimmingfthemainideaWhyarechemicalf

5、ertilizerssopopularinfarmingtoday2.Whatproblemscanbecausedbyusingchemicalfertilizers3.Whatisganicfarming4.Whatisthepurposeofusingganicfarmingmethods？Task2ScanningScanning:skip(跳讀)thepassagequicklytofindthedetailsspecific

6、infmationReadingskill:Whyarechemicalfertilizerssopopularinfarmingtoday2.Whatproblemscanbecausedbyusingchemicalfertilizers3.Whatisganicfarming4.Whatisthepurposeofusingganicfarmingmethods？Task2ScanningBecausetheycanstopcro

7、pdiseaseincreaseproduction.Firsttheycandamagethelbykillingthehelpfulbacteriapests.Theyalsostayinthegroundbuildupinpeople’sbodiesleadtocancerotherillnesses.Inadditionitusuallygrowstoofasttobefullofnutrition.ganicfarmingis

8、farmingwithoutusinganychemicals.Togrowgoodfoodtoavoiddamagingtheenvironmentpeople’shealth.Para1TopicPara2ProblemsPara3AdvantagesPara4Methodsillustration（闡明）comparisonconclusionThetypeofthearticleis_____________Exposition

9、（說(shuō)明文）Thestructureofthispassage請(qǐng)以“PlasticClothbags”為題模仿這篇文章的篇章結(jié)構(gòu)和句子結(jié)構(gòu)去寫(xiě)一篇說(shuō)明文。使用塑料袋的害處有：1.“白色污染”的主要來(lái)源；2.不可回收再利用；3.燃燒污染空氣；4.污染土壤和地下水。使用環(huán)保袋的好處有：1.可以大量減少塑料袋的使用；2.使用壽命比紙袋長(zhǎng)；3.可以循環(huán)利用；4.價(jià)格低廉，易于推廣。writingPart1:Briefintroductionoft

10、hepresentsituation.(Effects)part2:Theproblemscausedbyusingplasticbags.Part3:Theadvantagesofusingclothbags.HowmanypartsarethereinyourcompositionWhatdoeseachparttalkaboutTipsHaveadiscussioninpairswhattowritePart4:Conclusio

11、n.PlasticClothBagsPrewriting5stepThemethodofwritingStep1:choosetherighttense(時(shí)態(tài))_________________________Step2:keywds(關(guān)鍵詞)____________Step3:putwdsintosentence(連詞成句）Step4:putsentencesintoarticle（連句成文）Step5:crecting(檢查校對(duì)）p

12、astpresentfutureSomeconjunctions(連詞）:whitepollutionrecyclereuse…h(huán)owtowriteFirstofallfirstlysecondlywhat’smeinadditionnotonly…butalsofonethingfanotherontheonehontheotherhlastbutnotleastinmyopinionasfarasIamconcernedPrewri

13、tingOverthepasthalfcentury…h(huán)avebecomeverycommon……welcomethemasa..wayto….Recentlyhoweverwehavebeenfindingthattheycancausedamageto…even…topeople’health.Whataresomeoftheproblemcausedby..Firstofall…what’smeinaddition…Lastbut

14、notleast…Withthesediscoveries…arebeginningtoturningto….Fonething..Fanother…ontheoneh…ontheotherh…AllinallInmyopinionAsfarasIamconcernedlet’swelcome…saynoto…WhilewritingChallengeyourselfPrepareacomposition“PlasticClothBag

15、s”Whilewriting使用塑料袋的害處有：1.“白色污染”的主要來(lái)源；2.不可回收再利用；3.污染空氣，土壤，地下水使用環(huán)保袋的好處有：1.大量減少塑料袋的使用；2.使用壽命比紙袋長(zhǎng)；3.可以循環(huán)利用；4.價(jià)格低廉，易于推廣。“PlasticClothBags”O(jiān)verthepasthalfcentury…h(huán)avebecomeverycommonWhataresomeoftheproblemcausedby..Firstofall

16、…secondlywhat’smeinaddition…Withthesediscoveries.…arebeginningtoturningto….Fonething..Fanotherontheoneh…ontheotherh…Lastbutnotleast..InmyopinionAsfarasIamconcernedlet’swelcome…saynotogreenfoodganicfoodWhatcanwelearnfromt

17、helessonHealthylifeHomewkReadthetextmecarefullyafterclassunderlinesomeusefullanguagepoints.Finishthewriting.Thankyou!GoodbyeThefollowingwdsmayhelpyou.Overthepasthalfcentury…h(huán)avebecomeverycommon……welcomethemasa..wayto….Re

18、centlyhoweverwehavebeenfindingthattheycancausedamageto…even…topeople’shealth.Whataresomeoftheproblemcausedby..Firstofall…what’smeinaddition…Lastbutnotleast…Withthesediscoveries…arebeginningtoturningto….Fonething…..Fanoth