Astronauts'mealshavecomealongwayfromthefreezedriedpowdersandsemiliquidpastesofdecadesago:nowUSscientistswanttogrowvegetablesinminigreenhousesonthemoon.
ScientistssaytheyarelookingforwardtoatimewhenresidentsoffuturelunarorevenMar?tianoutpostswillbeabletodineonfreshvegetables.ParagonSpaceDevelopmentCorporationhasunveiledwhatitcalledthefirststeptowardgrowingflowers―andeventuallyfood―onthemoon.
ParagonwhichhaspartneredwithNASAinpreviousexperimentsontheSpaceShuttleandtheInternationalSpaceStationcallsita"LunarOasis".
Thisisasealedgreenhousethatlookslikeabelljarencasedina46cmtriangularaluminumframe.Itisdesignedtosafelylandalaboratoryplantonthelunarsurfaceandprotectitwhileitgrows.
TheminiaturegreenhouseistobelaunchedintospacebyOdysseyMoonLtd.,aparticipantintheGoogleLunarXPrize.Thiscompetitionoffers$20milliontoanyentrantwhocanlaunchlandandoperatearoveronthelunarsurface.
Paragonofficialssayfuturetestingofthe"LunarOasis"willbedrivenbyOdyssey'sflightschedulewhichwillnothappenuntil2012attheearliest.
WhenitdoesliftoffthegreenhousewillcontaintheseedsofBrassicaahardyplantrelatedtoBrusselssproutsandcabbage.BecauseBrassicagoesfromseedtoflowerinjust14daysitcancompleteitslifecycleinasinglelunarnight.
"ColonizingtheMoonorMarsseemssofarawaybutitisimportantthatwedothisre?searchnow"ParagonpresidentJanePoyntersaid.
"Ittakesalongtimetogetalotofresearchandtogetintegratedreliableefficientsys?temsbeforecolonistsmovein"shesaid.
( )5.Whatcanweknowfromthetext?
A.Americanastronautshaveeatenfreshvegetablesonthemoon:
B.Astronauts'mealshavebeenthefreezedriedpowersandsemiliquidpastessofar.
C.Thesealedgreenhouselookslikeasemicirclejar.
D.Itwon'ttakelongbeforecolonistsmoveintogetalotofresearch.
( )6.Thearticleimpliesthat .
A.astronautscangrowflowersinspaceatpresent
B.ParagonandNASAwillcarryoutthetestseparately
C.