听力原文：
B: Mom, look out of the window. What is that in the sky?
F: It looks like a plate. It can’t be a plane or a flock of birds. It must be a UFO.
B: Look, the UFO is landing with light circles. Ah, something strange is getting out.
F: It must be an alien. Listen! There’s so much noise outdoors.
B: What’s happening? Look, the alien is running after the man wearing a suit.
F: The man is running down the street. He looks kind of scared.
B: We should call the police.
F: Look, what are the men doing over there? Oh, they’re taking pictures.
B: The men could be photographers. Others must be actors. They must be making a movie.
F: Ha ha. We seem to have been dreaming.
答案: 2. B 3. A