对话一 Peter talks with his daughter Linda. B: Linda, you've been watching TV for hours today. One more minute before the TV set and I'll cancel our tour to Disneyland tomorrow. A: Please, Dad! It's Saturday today. You said I could watch more TV at weekends. B: But you should learn to protect your eyes,dear. By the way, no more reading while lying in bed starting from today. A: What about your smoking two packages of cigarettes a day, Dad? B: Oh, you've got me there. I promise I'll try to smoke less and less from now on. A: Let's make that a deal.