浙江省衢州市高中英语《Unit2 working the land2》教案 新人教版必修4VIP专享VIP免费

Unit2workingtheland教材分析（analysisofteachingmaterial）:Thispassageisaaboutorganicfarming.Nowadays,thechemicalfertilizersarepopularamongfarming.Itdamagestheland,isbadforenvironmentandpeople’shealth.Somefarmersandcustomersprefertheorganicfarming.Studentscanlearnsomethingaboutitfromthispassage.学情分析（analysisofthestudents）Thispassageislittledifficultforourstudents.Therearesomedifficultsentencesforthem.Teacherscanhelpstudentstoreadthemandtrytotranslatethem.Meanwhile,ourstudentscanlearnsomethingnewaboutfarming.Chemicalfertilizerscausemanyproblems,soorganicfarmingarepopularamongfarming.教学目标(Teachingaims)知识目标(Knowledgeaims)Words:mineral;reduce;organic;level;whatever;bacteria;referto;yearafteryear…Sentences:1）Manyfarmerswelcomedthemasagreatwaytostopcropdiseaseandincreaseproduction.2)First,theydamagethelandbykillingthehelpfulbacteriaandpestsaswellastheharmfulones.3)Thesemanydifferentorganicfarmingmethodshavethesamegoal:togrowgoodfoodandavoiddamagingtheenvironmentorpeople’shealth.能力目标(Abilityaims):Enablestudentstomasterthemainideaofthetextandknowthewaysoforganizingarticles.情感目标（Emotionalaims）:helpstudentslearnhowtoenlargethewordsandknowthewaysofthesametopic.教学重点和难点（teachingimportantpointsanddifficultpoints）#Teachingimportantpoints:wordsandexpressions,mainideaandsomedifficultsentences#Teachingdifficultpoints:howtograspthemainideaofthepassage;howtograspthewordsandphrasesandbeabletousethemofthesametopic.教学过程(Teachingprocedures)Step1pre-readingQ:1)Howdoyouknowabouttheorganicfarming?Canyousaysomethingaboutit?2)Asknowntoall,chemicalfertilizerscanhelpthecropsgrowstrongandbig,doyouthinkitisgoodforourhealth?Andwhy?Step2readingTask1questionsaboutthepassage.1)What’stheorganicfarming?2)Whatistheadvantageofusingnaturalfertilizers?3)Whatisthedisadvantageofusingchemicalfertilizers?4)What’sthemainideaofparagraph3?5)Whydofarmersgrowtheircropsinsuchways?Task2structureofthetextThisisthestructureofthetext,readitandretellthetextaccordingtoit.Task3exercisesonpage14BecausesomeoftheexerciseshavebeeninvolvedinStepII,teacherscanleavethisparttostudents.ForExercise3,hereisasimple:Organicfarmingmeanscropsgrowingwithnaturalfertilizersinsteadofchemicalones.Yhenaturalfertilizerwhichisnaturalwastefromanimalsdoesgoodtosoil.Itmakesthesoilricherinmineralswhilechemicalfertilizersdamagethesoil,leavingchemicalsfertilizersinthegroundforalongtimeandkillingbothhelpfulandharmfulbacteriaandpests.Organicfarmerskeepthesoilrichandhealthybychangingplantseverytwoorthreeyears,plantingdifferentcropsindifferentlayersandplantinggrassbetweencropstopreventwindorwaterfromcarryingawaythesoil.OrganicFarmingICropsgrowingwithnaturalfertilizersIIFarmersprefernaturalwastefromanimalsNaturalfertilizerChemicalfertilizer板书设计1.2.Retellthepassage:Usingchemicalfertilizersispopularbecauseitcanstopcropdiseaseandincrease_____1____,butlong-termuseofthesefertilizerscancausedamagetothelandandeventopeople’shealth.Organicfarmingistogrowcropswithnaturalbutnot____2____fertilizers.Organicfarmers____3_____keepingtheirsoilrichand___4_______disease.Theypreferusingnaturalwastefromanimalsasfertilizers.Theythinkthismakesthesoilintheirfields_____5_____-mineralsandsomore____6______.Organicfarmersalsousemanyothermethodstokeepthesoilfertile.Theyoftenchangethekindofcropineachfield___7____,orplantcropstousedifferent______...