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greenfoodorganicfoodChemicalOrOrganicFarming?ReadingRecently,however,scientisthavebeenfindingthatlong-termuseofthechemicalfertilizerscancausedamagetothelandand,evenmoredangerous,topeople’shealth.Whataresomeoftheproblemscausedbychemicalfertilizers?Findoutandunderlinethetopicsentencesofeachparagraph.Para1.Para2.SkimmingPara3.Para4.Withthesediscoveries,somefarmersandmanycustomersarebeginningtoturntoorganicfarming.Organicfarmersalsousemanyothermethodstokeepthesoilfertile.ScanningReadthepassage,andanswerthequestions.1.Howmanyproblemscanbecausedbyusingchemicalfertilizers?2.Whataretheadvantagesoforganicfarming?3.Whichoneisn'tthemethodtokeepthesoilfertile?1.Howmanyproblemscanbecausedbyusingchemicalfertilizers?First,theycandamage…aswellas….Chemicalsalsostayinthe…and….Inaddition,…growtoofastto….Therearethreeproblems.2.Whataretheadvantagesoforganicfarming?Thefarmers_______keepingtheirsoilrichandfreeofdiseaseand_______theair,soil,waterandcrops_________chemicals.focusonkeepingfreefrom3.Whichoneisn'tthemethodtokeepthesoilfertile?A.usingnaturalwastefromanimalsasfertilizer.B.changingthekindofcropineachfield.C.plantingcropstousethesamelevelofsoil.D.plantinggrassbetweencropstopreventwindorwaterfromcarryingawaythesoil.para1.Anewdiscoveryofscientists.para2.Severalproblemscausedbyusingchemicalfertilizers.para3.Theadvantagesofusingorganicfarming.para4.Somemethodstokeepthesoilfertile.ThestructureofthispassageTopic(presentsituation)ProblemsAdvantagesMethods(conclusion)Thetypeofthearticleis_____________exposition（说明文）Consolidation请以“PLASTICORCLOTHBAGS?”为题模仿这篇文章的篇章结构和句子结构去写一篇说明文。DiscussionandwritingDiscussionandwritingPlasticOrClothBags?Para1.Para2.Para3.Para4.Haveabriefillustrationofthepresentsituation.Theproblemscausedbyusingplasticbags.Theadvantagesofusingclothbags.Conclusion.Problems：1.causewhitepollution2.easytobebroken3.difficulttobreakdown4.doharmtotheenvironmentandpeople'shealthAdvantages：1.canberecycledandreused2.saveresources3.cheap4.protecttheenvironmentOverthepasthalfcentury,…havebecomeverycommon….Recently,however,wehavebeenfindingthattheycancausedamageto….Whataresomeoftheproblemscausedby…?First,…Withthesediscoveries,…arebeginningtoturnto….….Thefollowingwordsmayhelpyou.Homework:Finishthewriting.Overthepasthalfcentury,plasticbagshavebecomeverycommoninourdailylife.Wewelcomedthemasaconvenientwaytocarrygoods.Recently,however,wehavebeenfindingthattheycancausedamagetotheenvironment,evenworse,topeople’shealth.Whataresomeoftheproblemscausedbyplasticbags?Firstofall,peopleoftenleaveplasticbagshereandthere,makingwhitepollution.What’smore,ittakesalongtime,morethan200years,tobreakup.Lastbutnotleast,whenheated,plasticbagscanproducesomethingharmful,whichcanbuildupinourbodyandeventuallyleadtocancerorotherillnesses.Withthesediscoveries,wearebeginningtoturntoclothbags.Theycanbeusedmanytimes.Peoplecansavealotofresourcesinthisway.Itisalsoagoodideatomakesomeclothbagsbyourselves,whichisinterestingandcheap.Let’suseclothbagsinourdailylifeinsteadofplasticbags,notonlyfortheenvironmentprotection,butalsoforthesakeofourhealth.