A: Alo B is that? how can I help
B: A few months ago you gave me the business card. You work at the space travel center, right?
A: Yes. What do you need? space visit, or travel to some planet.
B: I want to cooperate with your company to build houses on other planets.
A: Sounds good but do you think humans can live on other planets?
B don't worry. My home design company can build special homes.
A: How it will protect people.
B: very simple. My company has created an extremely thin glass that is durable enough to protect people from extreme weather. there is also an oxygen generator.
A: But who wants to leave earth's house to go to another distant planet.
That B has always been a human dream that many investors are willing to finance this project. I need a large number of spaceships to bring farm machines with people to space what do you think
A: yes. I will meet you at the weekend.

• An: Do you think UFOs exist?
• Ba: Yes. Articles and reports in newspapers talk lots about UFO appearance.
• An: What makes you believe there are UFOs?
• Ba: Well, many people around the world say they have seen flying saucers, so they must exist.
• An: Flying saucer! It might be their imagination.
• Ba: I don't think so. There are plenty of photos of them. And, some of the photographers said they saw man-like creatures get out of the saucers.
• An: If there were flying saucers, there would be traces of their landing.
• Ba: You're right. People are talking about the mysterious circles on the fields in Great Britain. UFOs are no longer human beings' imagination. They're real.We should be ready to welcome their visits.