1.
A：Hi, do you know any scientific inventions of the 20th century?
B: Let me think... Oh, the internet.
A: Yes, do you know who invented the internet?
B: i am not sure... the great achievement might be shared with many scientist. But i know the it was invented in 1969.
A: Really? People used internet in 1969?
B: No. In the summer of 1969, the prototype of the internet appeared in USA. It consisted of 4 PC sites.
A: wow, that is interesting. The scientist must work very hard.
B: Yes, and they sent the first email in 1972.
A: If we don't have internet today, how ignorant will we be! It is such a great invention that everybody enjoys it a lot.
B: Yes, we use internet to read online magazine, listen to music and search for important information.
A: And on-line chat! I can get in touch with my friends around the world!
B: Exactly, and we can play online games.
A: Yes, what a great invention! thank you to the hard-working scientist!
2.
A: See, here is my lottery ticket.
B: wow, open it and see what is the result.
A: Um...
B: Hey, are you listening to what i talked? Open it!
A: I am just thinking about how to spend the money if i win.'
B: wow, that may be a sweet dream!
A: I will buy a big house with beautiful garden, and an expensive car, and...
B: That is not realistic, in my opinion, you may put it in the bank for a rainy day.
A: But i prefer to use the money. Spending money is a great work.
B: You are wrong. Some day you may find you need money for emergency. Be far-sighted!
A: You seems right. Let's open this ticket.
B: One .. two.. three...
A: Oh! Nothing!
全是一个字一个字打的啊!