图书馆管理系统+含ER图

Bill: Oh, yeah. Amy: I bet you had a great time. Bill: Yes, I particularly enjoyed visiting the tower of London. Amy: How did you get there? By bus or underground? Bill: Let me see….Sorry, I can’t remember any more. Amy: What’s wrong with your memory? Bill: I hope it’s not Alzheimer’s disease. I don’t want to forget my own name. Amy: I don’t think so. Perhaps it’s just temporary forgetfulness. You’ll be right after a good sleep. Bill: I hope so. But as this is happening so often recently, I think I must go to see a doctor and get some pills Amy: It’s not as serous as that. Anyway, I wish you had a good memory for happy events, and a bad one for unhappy things.

Now Your TurnSAMPLE DIALOGA: Hey, my trip to Beijing was fantastic. B: Tell me what thrilled you most. [The door bell rings and A answer it….A comes back.] A: Where was I? B: You were talking about your tour in Beijing A: Oh, yeah. B: I bet you had a great time. A: Yes, I particularly enjoyed visiting the Forbidden City and the Great Wall, though the admission fees were a bit too high for me. B: What were

the fees? A: Let me see….Sorry, I can’t remember any more. B: What’s wrong with your memory? A: I hope it’s not Alzheimer’s disease. I don’t want to see a lot of new people everyday.B: I don’t think so. Perhaps you only forget things momentarily. You’ll be right after a good sleep.

A: I hope so. But as this is happening so often recently, I think I have to see a doctor. B: I don’t think it’s so serious. Anyway, a bad memory helps you forget your trouble.