听力原文：M: What do you think of Professor Potter's course, Jane? W: Not much. M: Why, what's wrong with it? W: Oh, I don't know. It's just that he overloads it with details. That course he gave on town planning last year. It was just the same load of details, which you could have got from a book anyway. There was no overall... M: No general overview you mean? W: Yes. I suppose you could call it that. I couldn't see the town for the buildings. M: But you've got to have details in this kind of subject. Anyway I think he's good. You take his first lecture for instance. I thought that was very interesting, and not at all over-detailed. W: Well, he starts off all right, but then he just piles on the details. M: Now you're exaggerating. W: Well, the way he dealt with the western developments, that wasn't bad, I suppose. M: You seem to have got something. Perhaps Potter is a little disorganized, but I think he's good. W: Do you really think so? M: He does do most of his teaching to the postgraduates. He only does the one undergraduate course each year. After all, I think he tends to forget where he is. He starts off being nice and general and then tries to cram in a bit too much specialized information. W: The main thing I object to is this lack of direction. (12)