高中英语 unit 2 working the land-using language chemical or organic farming教案 新人教版必修4

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1、Unit2Workingtheland-UsinglanguageChemicalororganicfarming（授课日期：年月日星期班级）授课题目Book4unit2Workingtheland----UsinglanguageChemicalororganicfarming拟课时第课时明确目标1、知识与技能：TohelpstudentsreadthepassageOrganicFarming.Tohelpstudentstousethelanguagebyreading,listening,speakingandwriting.2、过程与方法:Sh

2、owquestions,readfast,findthemainideas,andthenreadcarefullyandfinishallthetasks.3、情感态度与价值观：letstudentsrealizetheimportanceoforganicfarming重点难点重点：Howtograspthemainideaofthepassage.难点：Howtograspthewordsandphrasesandbeabletousethemfreely.课型□讲授□习题□复习□讨论□其它教学内容设计教师自备内容Step1.Grammarrevi

3、sion(translatethefollowingsentencesbyusingVingform)1.出国旅行时很激动人心的。2.在这儿等也没用，咱们走回去吧。3.我记得在哪儿见过他。4.我后悔没听你的劝告5.即使最聪明的孩子，也需要指教。TravellingabroadcanbeveryexcitingIt’snousewaitinghere,let’swalkback.IrememberseeinghersomewhereIregretnotfollowingyouradvice.Eventhecleverestchildneedsteachin

4、gStep2.Pre-reading1.Whatdofarmersusuallyputonthesoiltomakecropsgrowfast?2.Howmanykindsoffertilizersdofarmersuse?3.Whichkinddofarmersusewhentheyaredoingorganicfarming?4.Doyouknowaboutorganicfarming?Step3.Readingandfinishthefollowingtwotasks:Task1:Underlinethetopicsentenceofeachpar

5、agraph.P1:Long-termuseofchemicalfertilizerscancausedamagetothelandandpeople’shealth.P2:Problemscausedbychemicalfertilizers.P3:Farmersandcustomersturntoorganicfarming.P4:Othermethodstokeepthesoilfertile.Task2Howmanywaysfarmersusetohelpcropsgrowarementionedinthepassage:waystohelpcr

6、opsgrow1)organicfarmingusenaturalwastefromanimalsasfertilizerschangethekindofcropineachfieldeveryfewyearsplantdifferentcropswithdifferentlengthsofrootsplantgrassbetweencropsandthenleaveitintheground2)chemicalfertilizersadvantageagreatwaytostopcropdiseaseandincreaseproductiondisad

7、vantagelongternuseofthesefertilizerscancausedamageto…Step4.Usefulexpressions:1.leadto1).Hiscarelessnessledtotheaccident.2).Thistestisobviouslybadbecauseitleadstoincorrectlearning.2.focuson1).Youshouldfocusyourattentiononyourwork.2).Focusyourcameraonthosetrees.3).I’msotiredthatIca

8、n’tfocusonanythingtoday.3..keep…freefrom