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1、ReferenceforTeaching一、异域风情1.ModernFarmPigs,fishpondsandcrops—allhousedintallbuildings.ThisisavisionofindustrialfarmingintheNetherlands(荷兰).Inaworldconcernedabouttheenvironmentandtransport,woulditnotmakesensetoconcentratefoodproductionnexttoaharborandan
2、airport?Andsincehumanscanliveintallbuildings,whynotpigsandfish?ThecreativemindsbehindagovernmentreportsuggestjustthisforasiteatRotterdamveryclosetomainlandEurope'slargestport.Thescaleisvast:imagine10footballfields,sixfloorsofequalarea,atotalof500acres(
3、亩)stretchingskywards.Thebuilding,knownasDeltapark,visualizes(让人想象到)300000pigs,1.2millionchickens,tensofthousandsoffishandagiantvegetablegrowingareaallunderoneroof.Thepigscouldenjoymorespacethanonanaveragepigfarm,andendtheirdaysintheslaughterhousedownst
4、airs.Spacewithoutdaylightinthegiantbuildingcouldbeusedforcultivatingmushroomswhichgrowwellinthedark.Higherup,greenhousesfulloftomatoesandflowers,growninnutrientsolutioncollectedfromelsewhereinthebuilding,wouldprofitfromthelight.Thesystemistheoretically
5、acompletefarmingcycle,withoneactivityfeedinganotherandeverythingbeingrecycled.Deltaparkistoberunbymanagers,notfarmers.Ithasnothingtodowithagricultureaswenowknowit,andsofar,onlyexistsonpaper.Buttheideahascreatedaheateddebate(讨论)intheNetherlandsandattrac
6、tedattentionabroad.2.AutomaticFarmingCanhardworkbereplacedbymachinesinagriculture?Yes,manistryingout(试验)automaticfarming.Itisfuntowatchamachinepickingtomatoes.Thestrangemachinesailslikeashipacrossaseaofplants.Initsfrontisahole.Asthemachinemovesforward,
7、tomatoplantsarepulledintothehole.Thetomatoesaregatheredwhiletherestoftheplantsarethrownbackontothefields.Twelveworkerssitontopofthemachine.Theyrapidlypickoutthebadfruitfromthetomatoes.Aredstreamofripetomatoesisbeingsentintoacartthatispulledalongsidethe
8、machine.Onedriverandtwelveworkerscanpickinanhourtentonsofanewkindoftomato.Withouttheinvention,itwouldtake60mentodothejob.Notallplantscooperate(合作)wellwiththefarmingmachines.Takelettuce(莴苣)forexample,seedsplantsinthesamefieldinthesametim
