英语六级阅读理解完形填空模拟练习.docx

英语六级阅读理解完形填空模拟练习2017年英语六级阅读理解完形填空模拟练习英语是现在世界上用的最多的一门语言，许多国家都在学英语和用英语，所以，学好了英语，出门就不怕沟通不方便了。下面是小编为大家搜索整理的英语六级辅导训练，希望能给大家带来帮助!Duringthenineteenthandtwentiethcenturies,migrationshavetakenplacewithin11countries;thecitieswiththeirindustrieshaveattractedpeopleawayfromthecountry.Thepossibilityofearningafixed12inafactoryorofficewasmoreattractivethanthepossibilityofstayingonthefarmandhavingone'swork13byfrost,storms,ordroughts.Furthermore,thedevelopmentofagriculturalmachinerymadeitpossibleforfewerpeopletodothesame14ofwork.Thus,atthesametimewhentheindustrialrevolutionmadeitpossibletoproducegoodsmore15andmorequicklyinfactories,agriculturalrevolutionalsotookplace.Insteadofleavingfieldsemptyeverythirdyear,farmersbegantoplantcloverorsomeothercropthatwould16thesoil.Insteadofusingonlyanimalfertilizer,farmersbegantousechemicalfertilizerstokeepthesoilrich.ThesemethodshaveenabledFrenchfarmers,forexample,togetfivetimesasmuchwheataswas17fromthesamelandtwocenturiesago.Inmanycountriesfarmersfinditmore18toraiseonlyonecroporonekindofanimal.Theychoosethekindthatgivesthebestresults.Thentheysellallthattheyproduce,insteadoftryingtogrowalittleofeverythingandconsumewhattheygrow.Thisisamorefeasibletypeof19becausemodernmethodsandmachineryareadaptedtospecificanimalsandspecificcrops.Therefore,itwouldbetooexpensivetodoalltheworkbyhand,ortobuythe20neededforseveraldifferentkindsoffarming.A.salaryB.freelyC.profitableD.obtainedE.desertedF.operationG.amountH.paymentI.equivalentJ.enrichK.fruitfulL.equipmentM.destroyedN.certainO.cheaply参考答案II.N12.A13.M14.G15.O16.J17.D18.C19.F20.L