人教版高中英语Book4Unit2Workingonthelandreading教学课件

2024/4/2人教版高中英语Book4Unit2Workingonthelandreading教学课件2024/4/1人教版高中英语Book4Unit2Worki1Usinglanguage

ReadingUsinglanguage

Reading2FirstreadingReadthepassage,thenfindoutthemainideaofeachparagraph.Para1:Para2:Para3:Whatisorganicfarming?Farmersprefernaturalwastefromanimals.Farmerschangecropseverytwoorthreeyears.FirstreadingPara1:Whatiso3SecondreadingReadthetextagainandanswerthefollowingquestions:1.Whatisorganicfarming?2.Whatproblemsarecausedbyusingchemicalfertilizers?3.Whydoorganicfarmersgrowpeasorsoybeansaftercornorwheat?Secondreading41.Whatisorganicfarming?Organicfarmingmeansgrowingcropswithoutchemicalfertilizers.1.Whatisorganicfarming?Orga52.Whatproblemsarecausedbyusingchemicalfertilizers?Therearethreeproblems.First,chemicalfertilizersaffectthesoilandthewatersupplybadly.Second,theyallowfarmerstogrowthesamecropyearafteryearandexhaustthesoil.Third,theykillbothhelpfulandharmfulpests.2.Whatproblemsarecausedby6Farmersgrowpeasorsoybeansaftercornorwheatsothatpeasandbeanscanputmineralsbackintothesoil,makingitrichandhealthyandreadytogrowmorewheatorcorn.3.Whydoorganicfarmersgrowpeasorsoybeansaftercornorwheat?

Farmersgrowpeasorsoybeans7ThirdreadingReadthetextagain,andfillinthefollowingforms.Thirdreading8Advantagesoforganicfarming2.Thesoilisnotexhausted.3.Theyusethesoiltobestadvantage.1.Farmersusenaturalwastefromanimals.2.Peasandsoybeansrenewthemineralsinthesoilbecomesrichandhealthy.3.Theyplantcropsthatneedsurfacesoilandnextcropsthatgrowatadeeperlevel.Sothewindandwaterdoesn’tcarryawaythesoil.Alltherichnessofthesoilisused.Reasons1.Thismakesthesoilricherinmineralsandsomorefertile.Advantagesoforganicfarming29Whatisthedisadvantageofusingchemicalfertilizers?1.Leavingchemicalsinthegroundforalongtimeisnotgoodforthesoilorthewatersupply.2.Farmeroftengrowthesamecropyearafter.Asaresult,thesoilgetsexhausted.3.Chemicalfertilizerskillbothhelpfulandharmfulbacteriaandpests.Whatisthedisadvantageofus10RetellingRetellthetextaccordingtothechart:OrganicfarmingI.Cropsgrowingwithnaturalfertilizers.II.Farmersprefernaturalwastefromanimals.NaturalfertilizerChemicalfertilizer1.make…richerandmorefertile2.reduce…andhelp…strong3.thefertilizerskill…andhealthy4.keepfree…fromchemicals1.leaving…isnotgood2.grow…yearafteryearRetellingNaturalfertilizerCh11III.Farmerschangecropseverytwoorthreeyears.…tomakesurewhatisleft…III.Farmerschangecropsever121.WhatmadeJiaSixiebecomeinterestedinimprovingChinesefarming?Hesawhowsomefarmsproducedgoodcropsandhealthyanimalsandothersdidnot.ReadthepassageonPage51,thenfinishtheexercisesonPage52.2.Howdidhethinkhecouldhelpfarmers?Hethoughtthatwhenhefoundthebestagriculturalmethodshewouldwritethemdawnsoallfarmers.1.WhatmadeJiaSixiebecome13AdviceforfarmersKeepingseedsChoosingseedstoplanthangseed-headsuptodryallwinter,knockseedsoutwhentheyaresownchooseoneswiththebestcolour3.Whatadvicedidhegivefarmers?Makenotesinthechart.AdviceforfarmersKeepingseed14AdviceforfarmersWaytogetridofweeds(1)Waytogetridofweeds(2)letanimalseatthembeforeplantingturnthesoiloverandcoversotheweedsdie.AdviceforfarmersWaytogetr15AdviceforfarmersAutumnplantingSpringploughingCropsdeepploughinglessdeepploughingchangecropsgrowninthesamefieldeveryyear.AdviceforfarmersAutumnplant16ListeningListening17Ifyouwanttoplantsomecrops,whatkindoffertilizerwillyouuse?Why?Listening–I1.Listentothepassagefortwice,thenfinishthechartinEx.1onPage14.Ifyouwanttoplantsomecrop18FarmingpracticesMrJones’farmMrSmith’sfarmCropsgrownfertilizerOtherplantnutritionResultsCarrots,cucumbers,pumpkinsCarrots,cucumbers,pumpkinschemicalnaturalwaterwateremptyinsideSolidandhealthyinsideFarmingpracticesMrJones’far192.ListentothetapeforthethirdtimeandtrytofindtheanswersforEx.2andEx.3onPage15,thenchecktheanswers.SuggestedanswertoEx.2:Theresul