AfteranextradayinspacethecrewofDiscoveryreturnedtoEarthlandingatEdwardsAirForceBaseinCaliforniaearlyonTuesdaymorning.TheshuttleanditscrewspenttwoweeksinspacemostofitaboardtheInternationalSpaceStation.ItwasthefirstflightofNASA'sspace?shuttlefleetsinceFebruary2003whentheshuttleColumbiacameapartwhilere?enteringEarth'satmosphere.?
NASAofficialsdelayedDiscovery'sreturnforonedaybecauseofcloudyweatherinFloridawheretheshuttlewassupposedtolanD.OnTuesdaymorningmissioncontrollers?directed?DiscoverytoalandingsiteinCaliforniawheretheskieswereclear.ThecrewmemberswillhavetowaituntilWednesdaytoseetheirfamilieswhentheyallmeettogetherinHoustonattheJohnsonSpaceCenter.?
Discoveryhadaverybusymissioninspacecomparedtopastmissions.ThespaceshuttledockedwiththeInternationalSpaceStationmostofthejourneydeliveringbadlyneeded?supplies?andrepairingdamagedparts.Thecrewspentalotoftimetestingnewrepairtechniquesontheirownshuttleconductingthreedifferentspacewalks(whereastronautsexitthespaceshuttletodoworkoutside).OnthethirdspacewalkastronautSteveRobinsonwentunderneaththeshuttletoremovematerialstickingoutfrombetweenthespacecraft's?protective?tiles.?
TherewereconcernsinthelastremainingdaysofDiscovery'smissionthatatornheatblanket—anothershieldagainstoverheatinginthespaceshuttle—mayposeaproblemtocrewmembers.NASAofficialsandtechniciansworkedonwaysthatthecrewcouldfixtheproblembutlaterdecideditwasnotarisk.?
WiththeshuttleanditscrewsafelybackonfirmgroundNASAishailingthismissionlabeledSTS?114asahugesuccess.“Ihopethisshowspeoplethatwe'recomingback”NASAspaceflightchiefBillReaddysaidafterDiscovery'ssuccessfullanding.“We'vegotsomemoreworktodo.Weknowwhatweneedtodoandwe'lldoit.?
1.Whichofthefollowingisn'tincludedinthejobsoftheshuttleDiscovery?
A.DeliveringsuppliestotheInternationalSpaceStation.?
B.Conductingdifferentspacewalks.?
C.Testingnewrepairtechniques.?
D.FindingthecausewhytheshuttleColumbiacameapart.?
2.Butfortheclo