阅读理解。 Do you believe there are aliens (外星人) ? Well, make a phone call and you will know. A group of Americans can help. They make a device 'talk' to aliens. If you want to talk to an alien, you only need to visit www. Talk To Aliens . com , call l--900-2660300 and say, 'Hello aliens. this is Earth calling. Can you hear me?' You can say anything you want. But now. they only take phone calls from  people in the US. The call is $ 3. 99 every minute. After the hotline began in February, www. Talk To Aliens. com. has got hundreds of calls. There is one call every three minutes. They are also trying to send people's e-mails. photos or videos into space. 1. If you live in America and you want to know whether there are any aliens, . A. you can make a phone call B. you can go to America for help C. you can ask any scientist for help D. you can talk to aliens 2. www. Talk To Aliens. com is a place where . A. you can get some knowledge about aliens B. you can talk to aliens C. the aliens live D. you can make a set of device to talk to aliens 3. What does the underlined word refer to? A. The aliens. B. The people who want to talk to aliens. C. The Americans. D. The group of scientists who can help you. 4. Which of the following is NOT right? A. Only American people can call l-900-226-0300. B. People from any country can call l-900-366-0300 now. C. If you call the hotline for two minutes, you should pay $ 7. 98. D. Every three minutes there someone is calling 1-900-226-0300. 5. From this article we know . A. there is only one call after the' hotline began in February B. there are some aliens in the world C. some Americans are trying to send information about humans into space D. if you pay $2.99 for a minute, you can talk to aliens