黄金29篇真题目经典难句收集bysaav_1

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1、黄金29篇真题经典难句收集1.Onlythelastofthesewassuitedatalltothecontinuousoperatingofmachines,andalthoughwaterpoweraboundedinLancashireandScotlandandrangrainmillsaswellastextilemills,ithadonegreatdisadvantage：Streamsflowedwherenatureintendedthemtoandwater-drivenfactorieshadtobelocated

2、ontheirbankswhetherornotthelocationwasdesirableforotherreasons.2.Earlyinthecentury,apumphadcomeintouseinwhichexpandingsteamraisedapiston(活塞)inacylinder(汽缸)，andatmosphericpressurebroughtitdownagainwhenthesteamcondensedinsidethecylindertoformavacuum．3.Thefinalstepcamewhenste

3、amwasintroducedintothecylindertodrivethepistonbackwardaswellasforwardtherebyincreasingthespeedoftheengineandcuttingitsfuelconsumption.4.Coalgasrivaledsmokyoillampsandflickeringcandles,andearlyinthenewcentury,well—to—doLondonersgrowaccustomedtogaslightshousesandevenstreets.

4、5.Ironmanufacturerswhichhadstarvedforfuelwhiledependingoncharcoalalsobenefitedfromever-increasingsuppliesofcoal;blastfurnaceswithsteam-poweredbellowsturnedoutmoreironandsteelforthenewmachinery．6.Atthesametime,operatorsofthefirstprintingpressesrunbysteamratherthanbyhandfoun

5、ditpossibletoproduceathousandpagesinanhourratherthanthirty．7.Insomeindustrialregions,heavilyladenwagons，withflangedwheels，werebeinghauledbyhorsesalongmetalrails;andthestationarysteamenginewaspuffinginthefactoryandmine.8.AnothergenerationpassedbeforeInventorssucceededincomb

6、iningtheseingredientsbyputtingtheengineonwheelsandthewheelsontherails,soastoprovideamachinetotaketheplaceofthehorse.9.WhenhegrewolderWilliamSmithtaughthimselfsurveyingfrombooksheboughtwithhissmallsavingsandattheageofeighteenhewasapprenticedtoasurveyorofthelocalparish.10.Th

7、ecompaniesbuildingthecanalstotransportcoalneededsurveyorstohelpthemfindthecoaldepositsworthminingaswellastodeterminethebestcoursesforthecanals.11.HelaterworkedonsimilarjobsacrossthelengthandbreadthofEnglandallthewhilestudyingthenewlyrevealedstrataandcollectingallthefossils

8、hecouldfind．12.Butasmoreandmoreaccumulationsofstratawerecatalogedinmoreandmoreplaces,itbe