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职称英语综合类学习资料阅读判断练习6.docx

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职称英语综合类学习资料阅读判断练习6职称英语综合类学习资料阅读判断练习6PASSAGE20WillWeTakeVacationinSpaces?WhenMikeKellyfirstsetouttobuildhisownprivatespace-ferryservice,hefiguredhisbread-and-butterbusinesswouldbeloftingsatellitesintohigh-Earthorbit.Nowhethinkshemayhavefiguredwrong."Peoplewerealwaysaskingmewhentheycouldgo,"saysKelly,whorunsKellySpace&TechnologyoutofSanBernardino,California."Irealizedthatrealmarketisinspacetourism."Accordingtopreliminarymarketsurveys,thereare10,000wouldbespacetouristswillingtospend$1millioneachtovisitthefinalfrontier.SpaceAdventureinArlington,Virginia,hastakenmorethan130depositsforatwo-hour,$98,000spacetourtentatively(andsomewhatdubiously)settooccurby2005.GeneMeyersoftheSpaceIslandGroupsays:"Spaceisthenextexoticvacationspot."Thismayallsoundgreat,butthereareafewhurdles.Puttingasimplesatelliteintoorbit-withnooxygen,lifesupportorreturntripnecessary-alreadycostsanastronomical$22,000/kg.Andthatdoesn#39;tincludethecostofinsuringrichandpossiblylitigiouspassenger.JohnPikeoftheFederationofAmericanScientistsacerbicallysuggeststhattheentiregroupofentrepreneurstryingtocornerthespace-tourismmarkethavebetweenthem"justenoughmoneytoblowuponerocket."TheU.S.spaceagencyhasplentyofmoneybutzerointerestinmakingspacelessexpensiveforthelittleguys.Sothelittleguysareracingtodowhatthegovernmenthasfailedtodo:designareusablelaunchsystemthat#39;sinexpensive,safeandreliable.KellySpace#39;sprototypelookslikeaplanethathassproutedrocketengines.RotaryRocketinRedwoodCity,California,hasaboosterwithrotorsmakeahelicopter-stylereturntoEarth;KistlerAerospaceinKirkland,Washington,ispiecingtogetheritsversionsfromoldSovietengines,shuttle-stylethermalprotectiontilesandanelaborateparachutesystem.Thefirstpassengercountdownsarestillyearsaway,butbureaucratsattheFederalAviationAdministrationinWashingtonarealreadyinformallydiscussingflightregulations.Afterall,youcan#39;tbetoopreparedforatriptothatgalaxyfar,faraway.Forthosewhoareintentonjoiningthe100-milehighclub,HiltonandBudgetareplottingtobuildspacehotels.BeforetheRu