- 阅读理解A
题干：Inrecentyears,railroadshavebeencombiningwitheachother,mergingintosupersystems,causingheightenedconcernsaboutmonopoly.Asrecentlyas1995，thetopfourrailroadsaccountedforunder70percentofthetotalton-milesmovedbyrails.Nextyear,afteraseriesofmergersiscompleted,justfourrailroadswillcontrolwellover90percentofallthefreightmovedbymajorrailcarriers.Supportersofthenewsupersystemsarguethatthesemergerswillallowforsubstantialcostreductionsandbettercoordinatedservice.Anythreatofmonopoly,theyargue,isremovedbyfiercecompetitionfromtrucks.Butmanyshipperscomplainthatforheavybulkcommoditiestravelinglongdistances，suchascoal，chemicals，andgrain’truckingistoocostlyandtherailroadsthereforehavethembythethroat.Thevastconsolidationwithintherailindustrymeansthatmostshippersareservedbyonlyonerailcompany.Railroadstypicallychargesuch“captive”shippers20to30percentmorethantheydowhenanotherrailroadiscompetingforthebusiness.Shipperswhofeeltheyarebeingoverchargedhavetherighttoappealtothefederalgovernment'sSurfaceTransportationBoardforraterelief,buttheprocessisexpensive,timeconsuming,andwillworkonlyintrulyextremecases.Railroadsjustifyratediscriminationagainstcaptiveshippersonthegroundsthatinthelongrunitreduceseveryone'scost.Ifrailroadschargedallcustomersthesameaveragerate，theyargue，shipperswhohavetheoptionofswitchingtotrucksorotherformsoftransportationwoulddoso，leavingremainingcustomerstoshoulderthecostofkeepinguptheline.It'satheorytowhichmanyeconomistssubscribe,butinpracticeitoftenleavesrailroadsinthepositionofdeterminingwhichcompanieswillflourishandwhichwillfail.“Dowereallywantrailroadstobethearbitersofwhowinsandwholosesinthemarketplace?”asksMartinBercovici,aWashingtonlawyerwhofrequentlyrepresentsshippers.Manycaptiveshippersalsoworrytheywillsoonbehitwitharoundofhugerateincreases.Therailroadindustryasawhole,despiteitsbrighteningfortunes，stilldoesnotearnenoughtocoverthecostofthecapitalitmustinvesttokeepupwithitssurgingtraffic.Yetrailroadscontinuetoborrowbillionstoacquireoneanother,withWallStreetcheeringthemon.Considerthe$10.2billionbidbyNorfolkSouthernandCSXtoacquireConrailthisyear.Conrail'snetrailwayoperatingincomein1996wasjust$427million,lessthanhalfofthecarryingcostsofthetransaction.Who'sgoingtopayfortherestofthebill?Manycaptiveshippersfearthattheywill，asNorfolkSouthernandCSXincreasetheirgriponthemarket.
题目：It can be inferred from paragraph 3 that_____. - A 、shippers will be charged less without a rival railroad
- B 、there will soon be only one railroad company nationwide
- C 、overcharged shippers are unlikely to appeal for rate relief
- D 、a government board ensures fair play in railway business
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参考答案【正确答案：C】
推理题。文章第三段末句提到，申诉的过程耗时费钱, 并且只有在极端特殊的情况下才有效。从而暗示多数托运商不太可能因为收费高而申诉，因此C选项为正确答案。
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