高中英语(m4)教学资料-u2oganicfarming

,Part3.I.DAABDADBADBCBADCDD1.Thanksto/Becauseof2.freedom3.fourtimesashigh4.iscertain/sureto5.Gettingupearlyis6.withthehopeofIII.1.athe2.grow改为growing3.feed前加to4.country改为countries5.another改为other6.why改为that7.kind改为kinds8.especial改为especially9.most前加the10.in去掉,CHEMICALORORGANICFARMING?,Unit2UsingLanguageReadingonP.14,Lookatthetitleandpictureandpredictthecontent.,ChemicalorOrganicFarming?,Whatdoweputonthesoiltomakescropsgrowbetter?,Itisfertilizer.,Howmanykindsoffertilizersdofarmersuse?,Therearetwokinds.Theyarechemicalfertilizersandnaturalones.,Chemicalfarmingisfarmingbyusing_tostopcropdiseaseandincreaseproduction.Organicfarmingissimplyfarming_.,Whatischemicalfarming?Whatisorganicfarming?,chemicalfertilizers,withoutusinganychemicals,.,Whyarechemicalfertilizerssopopularinfarming?2.Whatproblemscanbecausedbyusingchemicalfertilizers?3.Whatisthemainreasonforusingorganicfarmingmethods?,1.Whyarechemicalfertilizerssopopularinfarmingtoday?,Becausefarmerswelcomedthemas_tostopcropdiseaseandincreaseproduction.,agreatway,Long-termuseofthesechemicalfertilizerscan_and_topeopleshealth.,causedamagetotheland,moredangerous,Paragraph1,Paragraph2,2.Whataretheproblemscausedbychemicalfertilizers?,First,they_.Second,chemicalsalsostay_.Thesechemicalscan_.Third,fruit,vegetablesandotherfoodgrownwithchemicalfertilizersusually_.Theylook_.,foralongtime,leadtocanceror,growtoofasttobefullofmuchnutrition,beautiful,damagetheland,3.Whatisthemainreasonforusingorganicfarmingmethods?,Themainreasonforusingorganicfarmingmethodsisto_andto_or_.,growgoodfood,avoiddamagingtheenvironment,peopleshealth,Asummary,Inrecentdays,scientistshavediscoveredthat_chemicalfertilizersforalongtimecanhurtthelandandalsopeopleshealth.Thereareseveralproblems_bychemicalfertilizers.They_theland,_inthegroundandundergroundwaterforalongtimeandgetintopeoplesbodiesthroughtheir_.Organicfarmingisbecomingmorepopular_some,using,caused,damage,stay,food,with,farmersandmanycustomersafterthesediscoveriescameout.Organicfarmingdoesnotuseany_.Organicfarmersusemany_tokeepthesoilfertile.Allofthesemethodstrytoproducegoodfoodand_causingdamagetotheenvironmentorpeopleshealth.,chemicals,methods,avoid,Translation1.长期使用2.化肥3.给造成损害4.将洗掉5.逐渐增强6.导致7.有机耕作8.集中于9.使免受,long-termusechemicalfertilizerscausedamagetowashoffbuildupleadto/resultinorganicfarmingfocusonkeepfreefrom,10.保持土壤肥沃11.每隔几年12.防止水土流失,keepthesoilfertileeveryfewyearspreventwindorwaterfromcarryingawaythesoil,Whatotherwayscanbeusedtoincreaseproduction?2.Whatothermethodscanbeusedfororganicfarming?,Discussioningroupsof4.Onewritesdown,andthenreports.,a.Watertheplantswithcleanwater.b.Leavetheearthinitsnaturalstateaftertheharvest.c.Growcropswithoutpesticidesd.Growawayfromindustrialareas.e.Keepanimalsfreeofdrugs.,A.Animalwasteb.Usepesticidepestisaidn.农药c.Irrigateintimed.Plantattherighttimee.Choosethebestseedsf.GMfoods(genetically-modified),ListeningThisistheVOASpecialEnglishWhatisitabout?,ListeningThisistheVOASpecialEnglishAgricultureReport.AgriculturalscientistsinSwitzerlandhavedemonstrated论证the_effectsoforganicfarmingmethods.Organicfarmsusenoman-made_toincreasecropsorcontrolinsectsanddisease.Thestudyshowedthat_fieldsproducedfewercrops,onaverage,thanotherfields.However,thescientistssaytheorganic_improvedthe_ofthesoilandusedhalfasmuchenergy.,long-term,chemicals,organic,methods,health,Underlineusefulphrases1.overthepasthalfcentury2.increaseproduction3.damagetheland4.buildup5.leadto6.withoutusinganychemicals7.focuson8.reducedisease9.growstrongandhealthy10.useas11.richin12.keep.freefrom13.everyfewyears14.carryaway,Writeasummary,chemicalfertilizerspopularbecausescientistshavediscoveredsomeproblemsNoworganicfarmingusemanykindsofmethodsAllthesemethodstryto,Homework,Writethesummaryandhandthemin.,OrganicFarming,Howmanykindsoffertilizersdofarmersuse?Therearetwokinds.Theyarechemicalfertilizersandnaturalones.,Mainideaofthepassage,Chemicalfertilizerscancausemanyproblems,soorganicfarmingisbecomingmorepopular.,ORGANICFARMING,Structureofthetext,IusingchemicalfertilizersforalongtimecanhurtthelandandalsopeopleshealthIIProblemcausedbychemicalfertilizers,1.Damagethelandbykillingthehelpfulbacteriaandpestsaswellastheharmfulones,2.Leadtocancerorotherillness.,3.Foodgrownwithchemicalfertilizerslookbeautiful,butinsidethereisusuallymorewaterthanvitaminsandminerals.,Organicfarmingisbecomingmorepopularwithsomefarmersandmanycustomersafterthesediscoveriescameout.IVOthermethodstokeepthesoilfertile.,Step1:Review,Whatcanyousayaboutthesetopics?,Workingtheland土地耕作,YuanLongping,Workingtheland土地耕作,8