托福考试真题阅读tpo-26-reading阅读

托福考试真题阅读tpo-26-reading阅读

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时间:2018-07-28

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1、EnergyandtheIndustrialRevolutionForyearshistorianshavesoughttoidentifycrucialelementsintheeighteenth-centuryriseinindustry,technology,andeconomicpowerKnownastheIndustrialRevolution,andmanygiveprominencetotheproblemofenergy.Untiltheeighteenthcentury,peoplereliedonenergyderivedfromplantsaswellasanim

2、alandhumanmuscletoprovidepowerIncreasedefficiencyintheuseofwaterandwindhelpedwithsuchtasksaspumping,milling,orsailing.However,bytheeighteenthcentury,GreatBritaininparticularwasexperiencinganenergyshortage.Wood,theprimarysourceofheatforhomesandindustriesandalsousedintheironindustryasprocessedcharco

3、al,wasdiminishinginsupply.GreatBritainhadlargeamountsofcoal;however,therewerenotyetefficientmeansbywhichtoproducemechanicalenergyortopowermachinery.Thiswastooccurwithprogressinthedevelopmentofthesteamengine.Inthelate1700sJamesWattdesignedanefficientandcommerciallyviablesteamenginethatwassoonapplie

4、dtoavarietyofindustrialusesasitbecamecheapertouse.Theenginehelpedsolvetheproblemofdrainingcoalminesofgroundwaterandincreasedtheproductionofcoalneededtopowersteamengineselsewhere.Arotaryengineattachedtothesteamengineenabledshaftstobeturnedandmachinestobedriven,resultinginmillsusingsteampowertospina

5、ndweavecotton.Sincethesteamenginewasfiredbycoal,thelargemillsdidnotneedtobelocatedbyrivers,ashadmillsthatusedwater-drivenmachines.Theshifttoincreasedmechanizationincottonproductionisapparentintheimportofrawcottonandthesaleofcottongoods.Between1760and1850,theamountofrawcottonimportedincreased230tim

6、es.ProductionofBritishcottongoodsincreasedsixtyfold,andcottonclothbecameGreatBritain’smostimportantproduct,accountingforone-halfofallexports.Thesuccessofthesteamengineresultedinincreaseddemandsforcoal,andtheconsequentincreaseincoalproductionwasmadepossibleasthesteam-poweredpumpsdrainedwaterfromthe

7、ever-deepercoalseamsfoundbelowthewatertable.Theavailabilityofsteampowerandthedemandsfornewmachinesfacilitatedthetransformationoftheironindustry.Charcoal,madefromwoodandthusinlimitedsupply,wasreplacedwithcoal-deri

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