A: Do you know anything about robots?
B: Sorry, I know nothing about them. Could you tell me something about them?
B: What's the difference between them?
A: Robots have got computers controlling (控制) them.
A: Yes. They can help people do many things.
A: Of course. I-f somebody has got a home-help robot, it can help him or her do jobs like tidying up rooms, washing the dishes and cleaning windows.
B: That's great. Are there any robots to help us study?
A: Sure. A robot for study has a very big computer memory (计算机存储器)
B: That's fantastic! I'd like to have one at home. What else (其他的) can robots do?
A: They are very useful in factories.
B: They are really useful, aren't they?
A. Do you have a robot at your home?