新托福tpo阅读长难句解析

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1、1.Onlythelastofthesewassuitedatalltothecontinuousoperatingofmachines,andalthoughwaterpoweraboundedinLancashireandScotlandandrangrainmillsaswellastextilemills,ithadonegreatdisadvantage：Streamsflowedwherenatureintendedthemtoandwater-drivenfactorieshadtobelocatedontheirbankswhetherornottheloca

2、tionwasdesirableforotherreasons.2.Earlyinthecentury,apumphadcomeintouseinwhichexpandingsteamraisedapiston(活塞)inacylinder(汽缸)，andatmosphericpressurebroughtitdownagainwhenthesteamcondensedinsidethecylindertoformavacuum．3.Thefinalstepcamewhensteamwasintroducedintothecylindertodrivethepistonbac

3、kwardaswellasforwardtherebyincreasingthespeedoftheengineandcuttingitsfuelconsumption.4.Coalgasrivaledsmokyoillampsandflickeringcandles,andearlyinthenewcentury,well—to—doLondonersgrowaccustomedtogaslightshousesandevenstreets.5.Ironmanufacturerswhichhadstarvedforfuelwhiledependingoncharcoalal

4、sobenefitedfromever-increasingsuppliesofcoal;blastfurnaceswithsteam-poweredbellowsturnedoutmoreironandsteelforthenewmachinery．6.Atthesametime,operatorsofthefirstprintingpressesrunbysteamratherthanbyhandfounditpossibletoproduceathousandpagesinanhourratherthanthirty．7.Insomeindustrialregions,

5、heavilyladenwagons，withflangedwheels，werebeinghauledbyhorsesalongmetalrails;andthestationarysteamenginewaspuffinginthefactoryandmine.8.AnothergenerationpassedbeforeInventorssucceededincombiningtheseingredientsbyputtingtheengineonwheelsandthewheelsontherails,soastoprovideamachinetotakethepla

6、ceofthehorse.9.WhenhegrewolderWilliamSmithtaughthimselfsurveyingfrombooksheboughtwithhissmallsavingsandattheageofeighteenhewasapprenticedtoasurveyorofthelocalparish.10.Thecompaniesbuildingthecanalstotransportcoalneededsurveyorstohelpthemfindthecoaldepositsworthminingaswellastodeterminethebe

7、stcoursesforthecanals.11.HelaterworkedonsimilarjobsacrossthelengthandbreadthofEnglandallthewhilestudyingthenewlyrevealedstrataandcollectingallthefossilshecouldfind．12.Butasmoreandmoreaccumulationsofstratawerecatalogedinmoreandmoreplaces,itbecameclearthat