1. When will humans be able to travel from one planet to other easily? A B C D 2. In 2001, at least 15 people, include two police officers saw UFOs in New Jersey. A B C D 3. He wanted to know why didn’t I believe there was intelligent life on other planets. A B C D 4. Scientists believe that several billion years ago Mars was very similarity to Earth. A B C D 5. Because it is too close to the sun, Mercury is hard to study from Earth. A B C D 6. We asked our teacher whether the exam can be postponed until next Monday. A B C D 7. The Romans named Venus of the Roman Goddess of love and beauty. A B C D 8. Discovering in 2015 by NASA’s Kepler spacecraft, K2-18b is very unlike our home planet. A B C D 9. Some people believe that UFOs are actual vehicles from other planets, flown by alien visitors. A B C D 10. Many people are wondering where life exists on other planets and moons. A B C D