Unit+5+Using+Language+Writing+-高中英语人教版（2019）选择性必修第一册

Unit5WorkingtheLandUsingLanguage-WritingSep.2023Tounderstandthedifferencesbetweenchemicalandorganicfarmingandtheiradvantagesanddisadvantages;Tolearnabouttheauthor'swritingtechniques;Tolearnaboutthestructureofargumentativeessay;Towriteanessaytoexpressyourviewsonchemicalfarmingororganicfarming.ChemicalVersus

OrganicFarmingversus

[ˈvɜːsəs]prep.与…相对;与…对阵Prediction1.Whatisthetextabout?ChemicalfarmingOrganic[ɔːˈɡænɪk]farming

picturestitle2.Whattypeofwritingisit?A.Narration(记叙文)B.Exposition(说明文)C.Argumentation(议论文)

ParagraphMainIdeaDetail1-2Pesticides can kill helpful

.Some pesticides have been

 becauseofthe

.Crops grown with chemical fertilisers usually

tobefullof

.3Many organic farmers use

asfertiliser.DAbacteriaandinsectsprohibiteddamagetheycausegrowtoofastnutritionnaturalwastefromanimalsParagraphMainIdeaDetail4They often

grownineachfield

.They also plant crops that use 

ofthesoiltohelpkeepitrich.5Organic farming is nowhere near able to meet the high

.CBchangethekindofcropeveryyeardifferentdepthsdemandforfoodaroundtheworldChemicalpesticidesandartificialfertilisershavebeenin

widespread

useinfarmingsincethemiddleofthe20thcentury.Whentheywerefirstintroduced,manyfarmerswelcomedthemasagreatwaytofightcropdiseaseandincreaseproduction.Overtime,however,whatsomescientistshavefoundisthattheirlong-termuse

cansometimesharmboththelandandpeoples’health.Para1Why？chemicalfertilizersBut？Forexample,pesticidescandamagethelandbykillingnotonlyharmfulbacteriaandinsects,butalsohelpfulones.

Inaddition,thesechemicalscanstayinthesoilandundergroundwatersourcesforalongtime.Thisaffectsthecropsgrownonthelandand,

inturn,theanimalsandhumanswhodigest

them.Manypeopleworrythatthesechemicalsmaymakethemillandevencausecancer.Infact,somepesticideslikeDDThavebeenprohibitedinmostcountriesbecauseofthedamagetheycausetopeopleandtheenvironment.

Asfor

chemicalfertilisers,cropsgrownwiththemusuallygrowtoofastto

berichin

nutrition.Theymaylookbeautifulontheoutside,butinsidethereisusuallymorewaterthan

essentialminerals,andtheyoftenhavelessflavouraswell.Para2Haha,we'veturnedtoorganicfarming.Para3Para3Asanalternative,somefarmershaveswitchedtoorganicfarming,andmanycustomershaveturnedtoorganicfoodwhentheyshopatthelocalgrocery.Organicfarmingissimplyfarmingwithoutusinganychemicals.Organicfarmersfocusonkeepingtheirsoilrichandfreeofdiseasethroughnaturalmeans.Forexample,manyorganicfarmersusenaturalwastefromanimalsasfertiliser.Thismakesthesoilintheirfieldsricherinminerals.Italsokeepstheair,soil,water,andcropsfreeofchemicals.1.Whatisorganicfarming?2.Whataretheadvantagesoforganicfarming?Para4Organicfarmersalsousemanyothermethodstoproducerichsoil.Theyoftenchangethekindofcropgrownineachfieldeveryyear.

For

instance,theymaygrowcornorwheatinafieldoneyear,andthengrowbeanstherethenext.Whydifferentcropsaregrownisbecausetheyputimportantmineralsbackintotheground,makingitreadyagainforthenextbatchofcrops.Organicfarmersalsoplantdiversecropsthatusedifferent

depths

ofsoiltohelpkeepitrich.Forexample,peanutsgrowontheground'ssurface,butmanyothervegetablesputdowndeep

roots.Thegoalofusingdifferentorganicfarmingmethodsistogrowgoodfoodwhileavoidingdamagetotheenvironmentortopeople'shealth.usingnaturalwastefromanimalsasfertilizer.changingthekindofcropineachfield.plantingcropstousedifferentlevelsofsoil.Paragraph4123Themethodstokeepthesoilfertile:chemicalfarmingSummaryorganicfarmingadvantagesdisadvantagesfightcropdiseaseincreaseproductionlowercostcropslookbeautifuloutside......goodfoodavoidingdamagetotheenvironmentortopeople'shealth......harmthelandharmpeople’shealthharmtheenvironmentcropsarelessinnutrition......cannotmeetthedemandforfoodmoreeffortsandhighercostsmellygases......Theauthorusessometransitions过渡词汇

betweenideas.FindsomeinPara.2andnametheirfunctions.Words

toshowtransitionFunctionForexample,…Illustrating例释…,butalso…AddingmoreinformationandemphasisingInaddition,…AddingmoreinformationInturn,…Sequencing排序Infact,…Illustrating/EmphasisingAsfor…Introducinganewtopic/thing…,but…Contrasting…,and…aswellAddingmoreinformationWhatcanwelearnfromthetext?(Readforcoherence)原句P1L2佳句仿写一Whentheywerefirstintroduced,manyfarmerswelcomedthemasagreatwaytofightcropdiseaseandincreaseproduction.当它们第一次被引进时，许多农民欢迎它们，认为它们是对抗作物疾病和提高产量的好方法。仿写一当它们第一次被引进时，很多消费者欢迎它们，认为它们是对抗化学农业和促进食品健康的好方法。赏析佳句Whentheywerefirstintroduced,manyconsumerswelcomedthemasgreatwaytofightchemicalfarmingandpromotefoodhealth.原句P2L1佳句仿写二Forexample,pesticidescandamagethelandbykillingnotonlyharmfulbacteriaandinsects,butalsohelpfulones.例如，杀虫剂不仅会杀死有害的细菌和昆虫，还会杀死有益的细菌和昆虫，从而破坏土地。仿写二例如，有机农业农民不仅会保持土地肥沃，还能通过自然手段使植物免受疾病。（keep...freeof...)赏析佳句Forexample,oganicfarmerscannotonlykeepthesoilrich,butalsokeeptheplantsfreeofdiseasethroughnaturalmeans.原句P2L12佳句仿写三Theymaylookbeaultifulontheoutside,butinsidethereisusuallymorewaterthanessentialminerals,andtheyoftenhavelessflavouraswell.它们的外表看起来很漂亮，但里面的水分通常比必需的矿物质多，而且它们的味道也往往不那么好。仿写三它们的外表看起来有点丑，但是里面富含必需的矿物质，而且它们的味道往往比较好。赏析佳句Theymaylookalittleuglyontheoutside,butinsidetherearemanyessentialminerals,andtheyoftenhavemoreflavouraswell.WritingPractice为积极响应学校英语网站《健康生活》栏目的征文活动，请根据以下要点写一篇议论文投稿，说明有机农耕的好处：1．有机农产品更健康，让人放心；2．有机农耕对环境不造成破坏；3．有机农耕让农民增加收入。注意：1.词数80左右；2.可以适当增加细节，以使行文连贯。有机农产品OrganicagriculturalproductsWhatisanargumentativeessay?AnargumentativeessayAnargumentativeessayisagenreofwritingthatrequiresthestudentstoinvestigateatopic,collect,generate,andevaluateevidence,andestablishapositiononthetopicinaconcisemanner.发表议论就是通过议论或说理来表达作者的见解和主张，作者对某一问题持有一种看法，为了使读者同意自己的看法，提出若干理由，试图说服别人。发表议论时，我们要注意三个要素：论点、论据、论证。★步骤1精准审题①题材：______________②人称：___________________③时态：______________农业第一人称、第三人称一般现在时Pre-writing第一段：

说明写该篇文章的意图：响应学校英语网站《健康生活》栏目的征文活动第二段：提出观点：有机农耕好，并列举有机农耕好处有哪些，并解释原因第三段：总结全文，并再次肯定自己的观点，与首段相呼应Writing---观点陈述类议论文Para.