高中英语(m4)教学资料-u2oganicfarming胡

,金榜27-28检测,Part4.I.1.buildup2.leadto3.long-termuseof4.focuson5.everyfewyears6.turnto7.keepfreefrom8.causedamageto9.bewashedoff10.avoiddamagingtheenvironmentorpeopleshealthII.ABCCBCDAABACIII.完型：1-5.BDBCA6-10.DABCB11-15AABCA,CHEMICALORORGANICFARMING?,Unit2UsingLanguage(P.14),HowmuchdoyouknowaboutYuanLongping?,Lookatthetitleandpictureandpredictthecontent.,ChemicalorOrganicFarming?,Whatdoweputonthesoiltomakescropsgrowbetter?,Itisfertilizer.,Howmanykindsoffertilizersdofarmersuse?,Therearetwokinds.Theyarechemicalfertilizersandnaturalones.,Whichkindoffertilizerdofarmersusewhentheyaredoingorganicfarming?,Whatsorganicfarming?,ORGANICFARMING,issimplyfarmingwithoutusinganychemicals.,Scanningunderlinetheanswerstothe4questions.(P.14)Whyarechemicalfertilizerssopopularinfarming?Whatproblemscanbecausedbyusingchemicalfertilizers?3.Whatisorganicfarming?4.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.Whatisorganicfarming?,Organicfarmingmeans_.,Paragraphs3-4,growingcrops,withoutusinganychemicals.,ReadPara.3-4again,findandwritedownthemethodsandadvantages.,4.plantgrassbetweencropsandleaveit.,4.Thispreventswindorwaterfromcarryingawaysoil,2.changethekindofcrop,3.plantcropswithdifferentlevels,2.renewtheminerals,3.usedifferentlevelsofsoil.,4.Whatisthemainreasonforusingorganicfarmingmethods?,Themainreasonforusingorganicfarmingmethodsisto_andto_or_.,growgoodfood,avoiddamagingtheenvironment,peopleshealth,Underlineusefulphrases1.overthepasthalfcentury2.increaseproduction3.damagetheland4.buildup5.leadto6.withoutusinganychemicals7.focuson8.reducedisease9.growstrongandhealthy10.useas11.richin12.keep.freefrom13.everyfewyears14.carryaway,homework,校本4限时训练,ListeningThisistheVOASpecialEnglishWhatisitabout?,ListeningThisistheVOASpecialEnglishAgricultureReport.AgriculturalscientistsinSwitzerlandhavedemonstrated论证the_effectsoforganicfarmingmethods.Organicfarmsusenoman-made_toincreasecropsorcontrolinsectsanddisease.Thestudyshowedthat_fieldsproducedfewercrops,onaverage,thanotherfields.However,thescientistssaytheorganic_improvedthe_ofthesoilandusedhalfasmuchenergy.,ListeningThisistheVOASpecialEnglishAgricultureReport.AgriculturalscientistsinSwitzerlandhavedemonstrated论证the_effectsoforganicfarmingmethods.Organicfarmsusenoman-made_toincreasecropsorcontrolinsectsanddisease.Thestudyshowedthat_fieldsproducedfewercrops,onaverage,thanotherfields.However,thescientistssaytheorganic_improvedthe_ofthesoilandusedhalfasmuchenergy.,long-term,chemicals,organic,methods,health,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),Writeasummary,chemicalfertilizerspopularbecausescientistshavediscoveredsomeproblemsNoworganicfarmingusemanykindsofmethodsAllthesemethodstryto,Homework,Writethesummaryandhandthemin.,OrganicFarming,Howmanykindsoffertilizersdofarmersuse?Therearetwokinds.Theyarechemicalfertilizersandnaturalones.,Mainideaofthepassage,Chemicalfertilizerscancausemanyproblems,soorganicfarmingisbecomingmorepopular.,ORGANICFARMING,Structureofthetext,IusingchemicalfertilizersforalongtimecanhurtthelandandalsopeopleshealthIIProblemcausedbychemicalfertilizers,1.Damagethelandbykillingthehelpfulbacteriaandpestsaswellastheharmfulones,2.Leadtocancerorotherillness.,3.Foodgrownwithchemic