Dialogue:

M: What did you think of the lecture?

W: I thought it was very interesting.

M: Did you really?

W: Yes, didn't you?

M: Certainly not. I thought he talked a lot of rubbish.

W: So you think you know more than he does.

M: Well, take coal for instance.

W: What about it?

M: Coal won't become important again.

W: Why not?

M: It's too dirty. They won't be able to find people to work down coal mines in the future.

W: They'll invent new kinds of machinery.

M: Nonsense. The only sort of power they'll use in the future is atomic power.

Question: What will be the new power in future according to the man? 

- Sun energy.

- Atomic power.

- Nuclear power.


Atomic power.