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IsThereLifeonEarth?   Therewasgreatexcitementontheplane...
问题详情:IsThereLifeonEarth?   TherewasgreatexcitementontheplanetofVenus(金星)thisweek.ForthefirsttimeVenusianscientistsmanagedtolandasatelliteontheplanetEarth,andithasbeensendingbacksignalsaswellas...
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