2013届高考英语听力特训3(word文本):36AnarbitratortodayblockedaNationalFootballLeagueplantorandomlytestNFLplayersforillegaldrugs
ArbitratorRichardCasherrespondingtoagrievancefiledbytheNFLPlayersAssociationsaidtheplanviolatestheplayers'contract
TheCommissionerPeteRozellehadannouncedthedrugtestingproposalinJuly
Itcalledfortwosurprisetestsduringthefootballseason,butCashersaidRozellelacksthepowertoimplementtheplanwithoutgoingthroughthecollectivebargainingprocess
NASAtodaygaveanupdateonitseffortstoremodelspaceshuttleboosterrockets
AfaultyboostercausedtheshuttleChallengertoexplodeinJanuary
NPR'sRichardHarrishasdetails
"NASAengineerJohnThomassaystherockettestingprogramisprogressingjustaboutonschedule
HesaysredesignboosterrocketsshouldbeavailableforaspaceshuttlelaunchinFebruary1988
Engineershavesimul