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ID:414686
大小:35.50 KB
页数:5页
时间:2017-07-30
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1、原文:IndustrialRevolutionAnindustrialrevolutionisafundamentaleconomicchange:Between1770and1850theeconomyofEnglandchangedfrommostlyagriculturaltomostlyindustrial.thiswastheresultnotofonekeyinventionbutoftechnologicalprogressindifferentfieldscomingtogether
2、.itscenteristhedevelopmentoffactories(whichhadn'treallyexistedbeforethistime),buttheycouldn'thavedevelopedwithoutbettertransportationcreatinglargermarketsandbettertransportationcouldn'thaveexistedwithoutthegrowthoftheironindustry,whichcouldn'thavegrown
3、withoutsteamengines.societyhadahardtimeadjustingtotheneweconomicsystem.CausesoftheBritishIndustrialRevolution:expansionoftrade,mercantileeconomicpolicy(seepreviouslecture)declineof:feudalism--farmerswerenolongerboundtothelandguildsystem--theguildforapa
4、rticulartradecouldnolongercontrolwhosetupanewbusinessthesystemofcustomaryprices--themarketismorefree,insteadoftheoldsystemwherechangingthepricebecauseofashortagewasseenasprofiteeringagriculturalchanges.enclosure=theabolishmentoftheoldsystemofcommunalfa
5、rminganditsreplacementwithfamilyfarms.Supposedlyeveryonehadthesameshareoflandasbefore,butthesmallestfarmersdidn'thaveenoughtosurviveasanindependentfarmandtheywentoutofbusinessandwentlookingforwork.Tookplace16thcenturytoabout1820.fourfieldcroprotation--
6、wheat,turnips,barley,cloveroralfalfa(turnipsandhaycropsmakeitpossibletokeepmorelivestock).newscientificapproachestofarming(oneofthepioneerscientificinvestigatorsofagriculturewasanEnglishmannamedJethroTull).averageagriculturalsurplusperworkerdoubledfrom
7、about25%toabout50%.workersnolongerneededinagriculturewereavailableforindustrialjobs(discussion).Iron:by1720mostironinEnglandwasimportedduetoashortageofcharcoalforsmelting.in1709AbrahamDarbyinventedawayofsmeltingironusingcoke(processedcoal)insteadofchar
8、coal.theironindustrytookoffafter1760sinceironoreandcoalwerebothveryplentifulinEngland1779IronBridge(photo).TheSteamEngine:NewcomenEngine(about1712)filledacylinderwithsteamandthencondensedittodrawthepistondown.50%efficient,butwidelyusedt
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