"First, we'll cover this floor, then work our way up, and back down again." A giant beam again, "Your mission, should you choose to accept it," yes because referencing a specific Mission Impossible tv show and movie series pre-amble will make total sense to someone not from Earth. She does this with aliens and out of time period too though. And even Jack, and he was always getting disappointed when he got to where the references came from, and it wasn't as good as he imagined them to be. "Is to point out anything interesting, curious, or just plain fun looking." And that is how you adventure according to Rose Tyler.