高中英语m4教学资料ppt课件 31页

Part3.I.DAABDADBADBCBADCDD1.Thanksto/Becauseof2.freedom3.fourtimesashigh4.iscertain/sureto5.Gettingupearlyis6.withthehopeofIII.1.a–the2.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\nCHEMICALORORGANICFARMING?Unit2UsingLanguageReadingonP.14\nWhatdoweputonthesoiltomakescropsgrowbetter?Itisfertilizer.\nHowmanykindsoffertilizersdofarmersuse?Therearetwokinds.Theyarechemicalfertilizersandnaturalones.\nChemicalfarmingisfarmingbyusing_______________tostopcropdiseaseandincreaseproduction.Organicfarmingissimplyfarming________________________.Whatischemicalfarming?Whatisorganicfarming?chemicalfertilizerswithoutusinganychemicals.\nWhyarechemicalfertilizerssopopularinfarming?2.Whatproblemscanbecausedbyusingchemicalfertilizers?3.Whatisthemainreasonforusingorganicfarmingmethods?\n1.Whyarechemicalfertilizerssopopularinfarmingtoday?Becausefarmerswelcomedthemas___________tostopcropdiseaseandincreaseproduction.agreatwayLong-termuseofthesechemicalfertilizerscan_________________________and_______________topeople’shealth.causedamagetothelandmoredangerousParagraph1\nParagraph22.Whataretheproblemscausedbychemicalfertilizers?First,they________________.Second,chemicalsalsostay______________.Thesechemicalscan___________________.Third,fruit,vegetablesandotherfoodgrownwithchemicalfertilizersusually_________________________________.Theylook___________.foralongtimeleadtocanceror…growtoofasttobefullofmuchnutritionbeautifuldamagetheland\n3.Whatisthemainreasonforusingorganicfarmingmethods?Themainreasonforusingorganicfarmingmethodsisto_________________andto_____________________________or______________.growgoodfoodavoiddamagingtheenvironmentpeople’shealth\nAsummaryInrecentdays,scientistshavediscoveredthat_____chemicalfertilizersforalongtimecanhurtthelandandalsopeople’shealth.Thereareseveralproblems______bychemicalfertilizers.They_______theland,____inthegroundandundergroundwaterforalongtimeandgetintopeople’sbodiesthroughtheir____.Organicfarmingisbecomingmorepopular________someusingcauseddamagestayfoodwith\nfarmersandmanycustomersafterthesediscoveriescameout.Organicfarmingdoesnotuseany_________.Organicfarmersusemany_________tokeepthesoilfertile.Allofthesemethodstrytoproducegoodfoodand________causingdamagetotheenvironmentorpeople’shealth.chemicalsmethodsavoid\nTranslation1.2.长期使用3.给造成损害4.被冲走5.逐渐增强6.导致7.转向8.有机耕作9.集中于10.富含有11.使免受chemicalfertilizerslong-termusecausedamagetobewashedoffbuildupleadto/resultinturntoorganicfarmingfocusonberichinkeep…freefrom化肥\n12.保持土壤肥沃13.每隔几年14.防止水土流失15.避免损害环境人们的健康keepthesoilfertileeveryfewyearspreventwindorwaterfromcarryingawaythesoilavoiddamagingtheenvironmentorpeople’shealth\n\nWhatotherwayscanbeusedtoincreaseproduction?2.Whatothermethodscanbeusedfororganicfarming?Discussioningroupsof4.Onewritesdown,andthenreports.a.Watertheplantswithcleanwater.b.Leavetheearthinitsnaturalstateaftertheharvest.c.Growcropswithoutpesticidesd.Growawayfromindustrialareas.e.Keepanimalsfreeofdrugs.A.Animalwasteb.Usepesticide[｀pestisaid]n.农药c.Irrigateintimed.Plantattherighttimee.Choosethebestseedsf.GMfoods(genetically-modified)\nListeningThisistheVOASpecialEnglishWhatisitabout?\nListeningThisistheVOASpecialEnglishAgricultureReport.AgriculturalscientistsinSwitzerlandhavedemonstrated论证the_________effectsoforganicfarmingmethods.Organicfarmsusenoman-made_________toincreasecropsorcontrolinsectsanddisease.Thestudyshowedthat_______fieldsproducedfewercrops,onaverage,thanotherfields.However,thescientistssaytheorganic________improvedthe_______ofthesoilandusedhalfasmuchenergy.long-termchemicalsorganicmethodshealth\nUnderlineusefulphrases1.overthepasthalfcentury2.increaseproduction3.damagetheland4.buildup5.leadto6.withoutusinganychemicals7.focuson8.reducedisease9.growstrongandhealthy10.useas11.richin12.keep..freefrom13.everyfewyears14.carryaway\nWriteasummary…chemicalfertilizerspopularbecause…scientistshavediscoveredsomeproblems…Noworganicfarming…usemanykindsofmethods…Allthesemethodstryto…\nHomeworkWritethesummaryandhandthemin.\nOrganicFarming\nHowmanykindsoffertilizersdofarmersuse?Therearetwokinds.Theyarechemicalfertilizersandnaturalones.\n\nMainideaofthepassageChemicalfertilizerscancausemanyproblems,soorganicfarmingisbecomingmorepopular.\nORGANICFARMINGStructureofthetextIusingchemicalfertilizersforalongtimecanhurtthelandandalsopeople’shealthIIProblemcausedbychemicalfertilizers\n1.Damagethelandbykillingthehelpfulbacteriaandpestsaswellastheharmfulones2.Leadtocancerorotherillness.3.Foodgrownwithchemicalfertilizerslookbeautiful,butinsidethereisusuallymorewaterthanvitaminsandminerals.\nⅢOrganicfarmingisbecomingmorepopularwithsomefarmersandmanycustomersafterthesediscoveriescameout.IVOthermethodstokeepthesoilfertile.\nStep1:ReviewWhatcanyousayaboutthesetopics?Workingtheland土地耕作YuanLongping\nWorkingtheland土地耕作80%Theirwaysoffarmingalsoimprovesalot.Chemicalfertilizers---focusonorganicfarming----prefer土鸡蛋nativeeggs土猪肉local meatCropsSuperhybridriceCountrysidetourhouses\nHowmuchdoyouknowaboutYuanLongping?\nincreaseproductionchemicalfertilizerfocuson