听力原文：W: Now, Mr. White, did you see the accident clearly? M: Oh, yes. I was standing outside the department store. W: Do you know what time it happened? M: Yes, it was 4:30 by my watch. W: Good, now, was the truck going fast? M: Yes. Well, perhaps the driver thought they were going to change to green. But they were red. W: Are you sure, Mr. White? M: Yes, absolutely sure. W: Well, thanks a lot, Mr. White. Goodbye. M: Goodbye. (13)