Unit+5+Using+Language+Writing+-高中英語人教版（2019）選擇性必修第一冊

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

OrganicFarmingversus

[?v??s?s]prep.與…相對;與…對陣Prediction1.Whatisthetextabout?ChemicalfarmingOrganic[???ɡ?n?k]farming

picturestitle2.Whattypeofwritingisit?A.Narration(記敘文)B.Exposition(說明文)C.Argumentation(議論文)

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過渡詞匯

betweenideas.FindsomeinPara.2andnametheirfunctions.Words

toshowtransitionFunctionForexample,…Illustrating例釋…,butalso…AddingmoreinformationandemphasisingInaddition,…AddingmoreinformationInturn,…Sequencing排序Infact,…Illustrating/EmphasisingAsfor…Introducinganewtopic/thing…,but…Contrasting…,and…aswellAddingmoreinformationWhatcanwelearnfromthetext?(Readforcoherence)原句P1L2佳句仿寫一Whentheywerefirstintroduced,manyfarmerswelcomedthemasagreatwaytofightcropdiseaseandincreaseproduction.當(dāng)它們第一次被引進時，許多農(nóng)民歡迎它們，認為它們是對抗作物疾病和提高產(chǎn)量的好方法。仿寫一當(dāng)它們第一次被引進時，很多消費者歡迎它們，認為它們是對抗化學(xué)農(nóng)業(yè)和促進食品健康的好方法。賞析佳句Whentheywerefirstintroduced,manyconsumerswelcomedthemasgreatwaytofightchemicalfarmingandpromotefoodhealth.原句P2L1佳句仿寫二Forexample,pesticidescandamagethelandbykillingnotonlyharmfulbacteriaandinsects,butalsohelpfulones.例如，殺蟲劑不僅會殺死有害的細菌和昆蟲，還會殺死有益的細菌和昆蟲，從而破壞土地。仿寫二例如，有機農(nóng)業(yè)農(nóng)民不僅會保持土地肥沃，還能通過自然手段使植物免受疾病。（keep...freeof...)賞析佳句Forexample,oganicfarmerscannotonlykeepthesoilrich,butalsokeeptheplantsfreeofdiseasethroughnaturalmeans.原句P2L12佳句仿寫三Theymaylookbeaultifulontheoutside,butinsidethereisusuallymorewaterthanessentialminerals,andtheyoftenhavelessflavouraswell.它們的外表看起來很漂亮，但里面的水分通常比必需的礦物質(zhì)多，而且它們的味道也往往不那么好。仿寫三它們的外表看起來有點丑，但是里面富含必需的礦物質(zhì)，而且它們的味道往往比較好。賞析佳句Theymaylookalittleuglyontheoutside,butinsidetherearemanyessentialminerals,andtheyoftenhavemoreflavouraswell.WritingPractice為積極響應(yīng)學(xué)校英語網(wǎng)站《健康生活》欄目的征文活動，請根據(jù)以下要點寫一篇議論文投稿，說明有機農(nóng)耕的好處：1．有機農(nóng)產(chǎn)品更健康，讓人放心；2．有機農(nóng)耕對環(huán)境不造成破壞；3．有機農(nóng)耕讓農(nóng)民增加收入。注意：1.詞數(shù)80左右；2.可以適當(dāng)增加細節(jié)，以使行文連貫。有機農(nóng)產(chǎn)品OrganicagriculturalproductsWhatisanargumentativeessay?AnargumentativeessayAnargumentativeessayisagenreofwritingthatrequiresthestudentstoinvestigateatopic,collect,generate,andevaluateevidence,andestablishapositiononthetopicinaconcisemanner.發(fā)表議論就是通過議論或說理來表達作者的見解和主張，作者對某一問題持有一種看法，為了使讀者同意自己的看法，提出若干理由，試圖說服別人。發(fā)表議論時，我們要注意三個要素：論點、論據(jù)、論證。★步驟1精準(zhǔn)審題①題材：______________②人稱：___________________③時態(tài)：______________農(nóng)業(yè)第一人稱、第三人稱一般現(xiàn)在時Pre-writing第一段：

說明寫該篇文章的意圖：響應(yīng)學(xué)校英語網(wǎng)站《健康生活》欄目的征文活動第二段：提出觀點：有機農(nóng)耕好，并列舉有機農(nóng)耕好處有哪些，并解釋原因第三段：總結(jié)全文，并再次肯定自己的觀點，與首段相呼應(yīng)Writing---觀點陳述類議論文Para.