高中英语Unit2WorkingthelandTheThirdPeriodExtensiveReading教案新课标人教版必修4Word文件下载.docx
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高中英语Unit2WorkingthelandTheThirdPeriodExtensiveReading教案新课标人教版必修4Word文件下载.docx
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Puttingthisintheirfields,theyargue,makesthesoil………P13
Thisisimportingbecausedevelopingahealthysoilreducesdiseases……P13
However,usingchemicalfertilizersisabigproblem.P13
Firstly,leavingchemicalsinthegroundalongtimeisnotgoodfor………P13
Instead,organicfarmersinsistonchangingcropeverytwoorthreeyears.P14
Theseputthemineralsbackintothesoil,makingitrichandhealthy…P14
…makesurethatwhatisleftinthegroundafterharvestingbeesa……P14
2.Abilitygoals能力目标
EnableSstomasterthemainideaofthetextandknowthewaysoforganizingarticles.
3.Learningabilitygoals学能目标
Helpstudentslearnhowtoenlargethewordsandknowthewaysofthesametopic.
A.Teachingimportantanddifficultpoints
1.Howtograspthemainideaofthepassage.
2.Howtograspthewordsandphrasesandbeabletousethemofthesametopic.
B.Teachingmethods
Showquestions,readfast,findthemainideacarefullyandfinishallthetasks.
C.Teachingaids
Arecorderandaprojector.
D.Teachingprocedures&
ways
StepIGreeting
StepIIReading
Therearethreetasksinthis.Teacherscanaskstudentstoreadthearticlesoneparagraphbyoneparagraph.Askthemsomequestionsaboutthepassages.Therearethreeparagraphinthearticle.Ineachpassage,thereareoneortwoquestions.Whenstudentsfinishthesequestions,theywillfindthatthestructureofthetexthasturnedup.
Task1:
Questionsaboutthetext.
Showthequestionsonthescreen:
1.whatistheorganicfarming?
2.whatistheadvantageofusingnaturalfertilizer?
3.whatisthedisvangtageofusingchemicalfertilizers?
4.what’sthemainideaofparagraph3?
5.whydofarmersgrowtheircropsinsuchways?
1.Whatistheorganicfarming?
2.Whatistheadvantageofusingnaturalfertilizer?
3.Whatisthedisadvantageofusingchemicalfertilizers?
4.what’sthemainideaofparagraph3?
Readthetextoneparagraphbyoneparagraphandanswerthequestions.
Task2:
Structureofthetext
Lookatthescreen.Thisisthestructureofthetext.Readitandretellthetextaccording
Thisisthestructureofthetext.Readitandtextaccordingtoit.
OrganicFarming
ICropsgrowingwithnaturalfertilizers
IIFarmersprefernaturalwastefromanimals
NaturalfertilizerChemicalfertilizer
1make…richerand1leaving…isnotgoodmorefertili
2reduce…andhelp…strong2grow…yearafteryear
3thefertilizerskill…fromchemicals
IIIFarmerschangecropseverytweorthreeyears.
…tomakesurewhatisleft…
Givestudentssometimetoretellthetextbythemselves.iftimepermits,teachercanasksomeofthemtoreadouthisorherpassage.
Task3:
ExercisesonPage14
BecausesomeoftheexerciseshavebeeninvolvedinStepII,teacherscanleavethisparttostudents.
ForExercise3,hereisasimple:
Organicfarmingmeanscropsgrowingwithnaturalfertilizersinsteadofchemicalones.Yhenaturalfertilizerwhichisnaturalwastefromanimalsdoesgoodtosoil.Itmakesthesoilricherinmineralswhilechemicalfertilizersdamagethesoil,leavingchemicalsfertilizersinthegroundforalongtimeandkillingbothhelpfulandharmfulbacteriaandpests.Organicfarmerskeepthesoilrichandhealthybychangingplantseverytwoorthreeyears,plantingdifferentcropsindifferentlayersandplantinggrassbetweencropstopreventwindorwaterfromcarryingawaythesoil.
StepIIIListeningandLanguagepoints
1.Listentothetextcarefullyandpayattentiontomeaningsoftheboldwordsandtrytograspthemainideaofeachparagraph.
2.Checkthemeaningsoftheboldwords.
“referto”means“mean”.
“minerals”means“substancesthatbodiesneedsinslightamount”.“Reduce”means“makesmallerinnumber”.
“Supply”means“somethingprovided
“bacteria”and“poests”mean“microscopicorganismsthatexistinlargenumberinair,waterandsoilandinsectsoranimalsthatdestroyplants”.
“level”means“layer”.
“whatever”means“nomatterwhat”.
3.Dosomeexplanationsaboutsomeimportantwordsandphrases.
Showthefollowingsentencesonthescreen:
1.reduceVmakesthsmallerinsize,number,degree,price,etc
e.g.
Thispanytriestoincreaseprofitsbyreducingcosts.
Wehavereducedexpensesthisyear.
2.supplyVgivesbsththatisneededoruseful
HekeptmewellsuppliedwithcupsofcoffeewhileIwrotethereport.
Theshopwasunabletosu
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