听力原文：W: Let's do something! Why don't we go out for dinner or go dancing. M: I'm watching TV. W: You're always watching TV. Stop being such a couch potato! Get up and let's do something. M: I am doing something. I'm watching TV. W: You're always watching some stupid sitcom. It's a waste of time, and a waste of brain power. M: Sometimes it's nice just to kick back, relax and laugh a little. There is nothing wrong with a little comedy in one's life. In fact. that's why I'm here. W: Ha, ha! Very funny! M: Besides, I am watching something serious. W: What? I bet it's some ridiculous drama with perfect looking people complaining about the tribulations of dally life. M: Nope, wrong again. W: Then it must be a prime-time news program describing how some woman went crazy and killed her husband: M: No, I watched that last night. You had better guess quickly—the commercials are almost over. W: Is it a murder mystery?. Or some science fiction, show like Star Trek? M: No. W: A game show where they test your knowledge of useless trivia? M: No. it's a documentary on dolphins in the Caribbean. W: Hey, that sounds interesting! M: Why don't we make some popcorn, and then watch the rest of it together. (20)