1 . 补全对话
A: Do you know much about computers?
B:     1    
A:   I’ve just been reading an article about them. They are used for all sorts of things now.
B:     2    
A: Yes, but they’re used for other things too. Do you remember when we went to buy our tickets for the flight to Greece?
B:     3    
A: The man asked where we wanted to go, and then he typed out the information on a form and waited for a reply. A few moments later he gave us our tickets.
B: Of course. His machine must have been connected to a computer.
A:     4    
A. For accounting systems and things you mean?
B. Not a great deal.
C. That’s right.
D. No problem.
E. Yes.