人教版(新教材)高中英语选修1Unit5 Working the Land课时作业3：Grammar——主语从句

Grammar 主语从句I .阅读理解ABig changes in agriculture are taking place in Singapore.The small, Southeast As

Grammar ---- 主语从句 I .阅读理解 A BigchangesinagriculturearetakingplaceinSingapore.Thesmall,SoutheastAsiannation isleadingafarmingrevolution,accordingtotheReutersnewsagency. Singaporecoversaround720squarekilometersoflandandonlyonepercentofthatland areaisusedfbragriculture.FoodproductioncostsarehighertherethantherestofSoutheast Asia.Asclimatechangeandpopulationgrowththreatenfoodsupplies,thepressureonnew fannersistoanswerthegovernment'scallto“growmorewithless”. WheneverItalkaboutfoodsecurityinSingapore,Itellpeoplenottothinkabout land-thinkaboutspace,becauseyoucangoupwardsandsideways,”saidPaulTeng,an agricultureprofessoratNanyangTechnologicalUniversity. Therearemorethan30verticalfarmsinSingapore—onesthatgrowup,not （垂直的） across,theland.SustenirAgricultureisoneofthesebusinesses.Itshydroponic （无土栽培 fanngrowsnon-nativefoodslikecherrytomatoesandstrawberriesinsidebuildings 的） underartificiallighting.Thenitsellstheproducetolocalsupermarketsandonline stores.Sustenirraised$16millionfrominvestorslastyear.Themoneywillbe （投资者） usedtoexpandoperationsinSingapore. However,noteveryonethinksthenewtechnologyisbest.EggfarmerWilliamHosaysthe governmentshouldnotdependsomuchonagriculturetechnologybusinesses."Manyof themhavefailed.That^whyI'malwaysaskingthegovernmentwhyitdoesn'tinvestinus old-timers.Wcarcmorepractical,“hesaid.ProfessorPaulTengsaidanissuefbrurban fannersisthatthehighcostofthetechnologymakestheirproductstoopriceyfbrmany people. K 语篇解读》本文是一篇新闻报道，主要介绍了新加坡建设空中农场以解决国 内食品供应短缺问题的情况。 1. Whatdoesthesecondparagraphmainlydiscuss?