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welcometomyclass unit19 modernagriculture pre reading presentation reading homework task1pre reading b lookatthepicturesatp 45andcomparetraditionalandmodernfarming 1 whatcanyouseeinthepictures 2 whataretheadvantagesanddisadvan tagesofeachway a whatisfarminglikeinyourhometown inthefirstpicture achicken ahen inthesecondpicture afarmerfeedingchickens inthethirdpicture amodernchickenfarm whatarethedifferences comparetheoldandthemodernwaysofraisingchickens afarmercanonlykeepafewchickens afactorycankeepthou sandsofchickens itcostonlyalittlemoney itcostalottostartafactory don thavemanyproblems ifill manydieorarekilled theeggsandmeataretasty theydon ttastesodelicious thechickensarefree notfree cansitinsmallcages inthefirstpicture apileofanimalshit manure inthesecondpicture abagofchemicalfertilizer whatarethedifferences comparetheoldandthemodernwaysoffeedingthecrops itisfreeorcostverylittle itiseasytobeputintothefields itusuallyhasabadsmell ittakeslittleplacetostore itisdifficulttocarryandmove itisexpensivetobuy itneedslotsofworktobemade itusuallyhasnosmell itneedsalotofplacetostore itiseasytotransport inthefirstpicture patchesoffarmfields inthesecondpicture afarmerisploughingthefieldwithananimal inthethirdpicture farmersusethetractortoworktheland whatarethedifferences comparetheoldandthemodernwaysofploughingthefields cheaptoownandtokeep expensivetobuyandtouse theyresultinpollution theycanbeusedindif ferentplaces theydon tneedresttoooften theycanbefoodwhentheyareold theydonotpollutetheair theycanonlybeusedonflatanddryland theyneedrestnowandthen theycanbesoldtosteelfactorieswhenbroken terrace drought irrigatedland greenhouse inthefirstpicture terracedfields inthesecondpicture drybarrenfarmland inthethirdpicture irrigatedfarmland inthefourthpicture greenhouses whatarethedifferences comparetheoldandthemodernwaysofirrigation inbadweather cropslost climatecontrolled lessdamage thelandscapelosesitsnaturalbeauty onlyarablelandcangrowcrops greenhousescanbebuiltalmosteverywhere thelandscapeismorebeautiful ifthereisapowerfailure youmaylosecrops task2reading scanning dividethetextinto4partsandfindthemainideaofeachpart the1stpart thefirstparagraph the2stpart thesecondparagraph the3stpart thethirdparagraph the4stpart thefourth fifthandsixthparagraphs paragraph1 traditionalagricultureinchina paragraph2 thedevelopmentofagriculturebeforethe1980s paragraph3 newtechniquestoprotectenviron mentaswellasincreasingprodus tionfromthe1990s paragraph4 waystosolvetheproblemoftheshortageofarableland whataretheways 1 growvegetablesingreenhouses 2 usegmtocreateplantsthatproducemoreandbiggerandbettercrops task3listentothetapeanddoexercise1 page46post reading task3listentothetapeanddoexercise1 page46post reading 1 d2 a3 c4 c5 c 1 para 1 only7 ofthelandcanbeusedforfarming 2 para 2 farmshaveusedfertilisationtomaketheirlandproducemore 3 para 3 newtechniquesshouldincreasepro ductionbutalsobefriendlytotheenvironment giveyourreasonswithasentenceinthetext 4 para 4 manyvegetablesarenotgrowningardensbutingreenhouseswheretheyarepro tectedfromthewind rainandinsects 5 para 5 inotherwords thewaytomatoesgrowfromanaturalseedischanged task4carefulreadingtrueorfalse 1 chinahasonlyabout67 000sq kmofarableland 2 whichofthefollowingwaysdidthefarmermakeuseoftoincreasefarmproductionbeforethe1980s a theuseofmachines eg tractors b theuseofelectricpumps c theuseofchemicalfertilizers d theuseofgm e theuseofinsectkillers f theuseofspecialseedbeds g morethanonecropisplantedeachyearwhereverpossible 3 noadvancedtechnicalinformationwasbroughtinfromabroadbefore1980 4 scientistshavealwaystriedtoincreasefarmingproductionwithoutharmingtheenvironmentsincetheearly1990s 5 traditionalmethodsoffarminghavenoadvantagessotheywon tbeusedinfutureagriculture 6 theaveragearablelandforeachchineseismuchlessthanthatoftheworld 7 growingvegetablesingreenhouseshassomanyadvantagesthatitcanreducelossescausedbybadweatherandthatitcanpartlysettletheproblemoftheshortageofarableland 8 gmisanewtechniquethatcanmakeaplantquitedifferentfromwhatitusedtobe biggerandhealthierandwithnodiseases butittakeslongertimetogrow 9 thegmtechniquecanonlybeusedonplants butnotonanimalsatthepresenttime 1 chinahasonlyabout67 000sq kmofarableland 2 whichofthefollowingwaysdidthefarmermakeuseoftoincreasefarmproductionbeforethe1980s a theuseofmachines eg tractors b theuseofelectricpumps c theuseofchemicalfertilizers d theuseofgm e theuseofinsectkillers f theuseofspecialseedbeds g morethanonecropisplantedeachyearwhereverpossible 3 noadvancedtechnicalinformationwasbroughtinfromabroadbefore1980 4 scientistshavealwaystriedtoincreasefarmingproductionwithoutharmingtheenvironmentsincetheearly1990s t t t t f t t t f t 5 traditionalmethodsoffarminghavenoadvantagessotheywon tbeusedinfutureagriculture 6 theaveragearablelandforeachchineseismuchlessthanthatoftheworld 7 growingvegetablesingreenhouseshassomanyadvantagesthatitcanreducelossescausedbybadweatherandthatitcanpartlysettletheproblemoftheshortageofarableland 8 gmisanewtechniquethatcanmakeaplantquitedifferentfromwhatitusedtobe biggerandhealthierandwithnodiseases butittakeslongertimetogrow 9 thegmtechniquecanonlybeusedonplants butnotonanimalsatthepresenttime f t t f f task5summaryofthetext 7 ofarablelandtofeed1 3billionpeople agriculture traditionalagriculture modernagriculture futureagriculture onefamilybusiness chemicalfertilization hightechnology fertilization irrigation electricpump and traditionalmethods notharmfultothe environment harmfultotheenvironment takecareoftheenvironment greenhouses gmtechnique therootshanginwatercontainingnutrients protectedfromwind rainandinsect
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