WordpowerUnit1Talesoftheunexplained牛津版高二Module2spaceexplorationexplorationspaceshipspacesuitastronautspacespaceunmannedspaceshipouterspacespacewalkAt9a
October12,2005astronautinnerspaceatmosphereSunstarsEarthplanetsMoonsatellitesnaturalartificialMan-madsatellitetimeevent195719591961firstartificialsatelliteunmannedspaceshipspeople…ReadingRetellWhat’sthis
Alaunchtower
launchpadaplatformfromwhichaspaceshuttleissentintospacelaunchpadlaunchtowerspaceshuttlerocketWhatliftsthespaceshuttleintospace
Tworockets
spacestationspacewalkspacesuitWhathappenstothetworocketsaftertheyseparatefromthespaceshuttle
Fallintotheseaandashipwillpickthemup
trackingshipMatchthedefinitionswiththerightwordsspaceshipspaceshuttlelaunchartificialorbitAvehiclethatisdesignedtocarrypeopleintospaceandbacktotheEarthseveraltim