Unit5UsingLanguage议论文课件高中英语人教版选择性

Doyousupport

ChemicalFarming

or

OrganicFarming?利用自己手头所有资料，围绕该话题写出一篇不少于100词的议论文。写作流程“5步走”1.确定作文类型，快速理解话题下笔前思考清楚文体2.构思，列提纲根据已知信息，确定自身立场3.确定写作段落，使用备用句型篇章布局？（题目+）三/四段式4.动笔写作5.检查ChemicalFarmingboostsproductivity提高生产率boostscropyield提高农作物的产量increasesfoodsupplies增加食品供应preventsfoodshortages预防食品短缺containsharmfulchemicals含有害的化学物质fightscropdiseasesposeshealthriskstoconsumers对消费者的健康构成威胁posesathreattobio-diversityOrganicFarming2.构思，列提纲3.谋篇布局——【题目】（看是否有要求自拟题目）话题不等于题目！题目中需体现自身立场，而不是模棱两可的语句或单个词汇。拟好了便是点睛之笔，拟不好倒扣分。可全大写，或除虚词外的词首字母大写。【×从题目开始剑走偏锋型】“OrganicfoodorChemicalfood?”、“Organicfertilizer”、“SomeAdvantagesofChemicalFarming”【×模棱两可型】“ChemicalFarmingand/or/versusOrganicFarming(?)”【×单个词汇型】“Organicfarming”【√一边倒或折中式】“ChemicalFarmingisMoreAppropriate”“OrganicFarmingisPreferabletoChemicalFarming”“ANALTERNATIVETOCONVENTIONALFARMING–ORGANICFARMING”“OF/CF–theBest/OurOnly/aWiseChoice”“CoordinationMakesDifferences”谋篇布局——【三/四段式】开头段：背景句+表明观点、阐述立场主体部分：points+details(evidence,reasons,results,examples…)论证观点结尾：再次表明自己的观点，总结讨论的问题。背景句goodexamples主体部分——中心句+分论点Thatchemicalpesticidesandartificialfertilisersusedinfarmingcanboostyields.Accordingtoscientists,thesustainablepopulationtobeabout2billionpeople,whichmeansweneedtomanageourresourcesandfoodproduction.Therefore,whatcanprovideenoughfoodforhumanbeingsischemicalfarming.主体部分Thatchemicalpesticidesandartificialfertilisersusedinfarmingcanboostyields.Accordingtoscientists,thesustainablepopulationisonlyabout2billionpeople,whichmeansweneedtomanageourresourcesandfoodproductioncarefully.Therefore,whatcanprovideenoughfoodforhumanbeingsischemicalfarming.思考红色部分是否多余？主体部分Firstofall,organicfarmingismorefriendlywiththeenvironmentthanchemicalfarming.

Atthesametime,organicfarmingisalsosaferforpeople.Ifyouwanttoeatthefoodwhichiscleaneraswellashealthier,pleasechoosetheorganicfarming.为什么对环境更好？为什么更安全？为什么更干净更健康？只有观点，没有论据主体部分Tobeginwith,chemicalfarmingharmstheenvironment.Sincechemicalpesticidesarenotfoundinnature,normalnaturalprocessescannotgetridofthem.Insteadthechemicalstendtoaccumulateinthesoilandwater,andareabsorbedinthefoodchain,wheretheypoisonwildlifeanddomesticanimals.结尾段Insummary/Tosumup/Toconclude/Inconclusion/Inshort,Personally,Ithink/believe/contend/suppose/agree…AsfarasIamconcerned…Itseemscleartomethat…力求清晰，能简单总结全文、表达整体观点即可，切莫恋战结尾段Inclosing,Iwouldliketosuggestchoosingorganicfarming.Indeed,thepriceoforganicproduceisalittlehigher,butthesmallpricewepayextrawillbringushugerewardsintheend.Peer-