IsThereLifeonEarth? Therewasgreatexcitementontheplane...
問題詳情：IsThereLifeonEarth? TherewasgreatexcitementontheplanetofVenus(金星)thisweek.ForthefirsttimeVenusianscientistsmanagedtolandasatelliteontheplanetEarth,andithasbeensendingbacksignalsaswellas...