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1、2019年四级考试作文范文 Questions36to40arebasedonthefollowingpassage: Arapidmeansoflong-distancetransportationbecameanecessityfortheUnitedStatesassettlementspreadeverfartherwestward.Theearlytrainswereimpracticalcuriosities,andforalongtimetherailroadpaniesmetwithtroublesomemechanicalproblems.Themostseriousones
2、weretheconstructionofrailsabletobeartheload,andthedevelopmentofasafe,effectivestoppingsystem.Oncetheseweresolved,therailroadwasestablishedasthebestmeansoflandtransportation.By1860therewerethousandsofmilesofrailroadscrossingtheeasternmountainrangesandreachingwestwardtotheMississippi.Therewerealsoregi
3、onalsouthernandwesternlines. 注：1.首句提出问题，后跟着解决方案。 四级文章套路：有现象必有解释，有结论必有解释，有问题必有解决方案 2.mostserious对应36题中的majorproblem，最高级出现是考点 Thehighpointinrailroadbuildingcamewiththeconstructionofthefirsttranscontinentalsystem.In1862CongressauthorizedtwowesternrailroadpaniestobuildlinesfromNebraskawestwardandfromCal
4、iforniaeastwardtoameetingpoint,soastopleteatranscontinentalcrossinglinkingtheAtlanticseaboardwiththePacific.TheGovernmenthelpedtherailroadsgenerouslywithmoneyandland.Actualworkonthisprojectbeganfouryearslater.TheCentralPacificCompany,startingfromCalifornia,usedChineselabor,whiletheUnionPacificemploy
5、edcrewsofIrishlaborers.Thetwogroupsworkedatremarkablespeed,eachtryingtocoveragreaterdistancethantheother.In1869theymetataplacecalledPromontoryinwhatisnowthestateofUtah.Manyvisitorscamethereforthegreatoccasion.Therewerejoyouscelebrationsalloverthecountry,withparadesandtheringingofchurchbellstohonorthegreatachievement. 四级考试作文相关文章：
