Read the text about two types of smartphones. Choose True, False or Doesn’t say.
Past Explanations for UFOs
An unidentified flying object, or UFO, is anything in the sky that the person who sees it cannot explain. Some people believe UFOs are alien spacecraft. However, most scientists believe that it can be easier to explain UFOs. A UFO has different descriptions. It can take the form of a disk, triangle or even an egg. After a sighting of a disk-shaped UFO in the 1940s, the term “flying saucer” became popular. It soon became fashionable to call all UFOs flying saucers. Nowadays, there are records of thousands of UFO sightings. These are photographs of UFOs and conversations with the people who saw UFOs.
In the 1950s, a government asked a group of scientists to study hundreds of sightings. However, most sightings were just space objects like stars, planets or meteors. A lot of other sightings were only aircraft, birds or hot gases. However, such things didn’t stop people from reporting UFOs. By the mid-1960s, there were even more sightings of UFOs than ever. People also found that most UFO or alien sightings happened in bad weather. But governments around the world still believed that UFOs were unreal. Other scientists agreed. But it was hard to explain why UFOs still appeared. Nowadays, researchers believe that UFOs might be visitors from space.
It is easy for a person to describe a UFO when he or she sees it.
TrueFalseDoesn’t sayHướng dẫn giải:Dịch nghĩa: Người ta có thể dễ dàng mô tả UFO khi nhìn thấy nó.
Thông tin ở câu đầu tiên: “An unidentified flying object, or UFO, is anything in the sky that the person who sees it cannot explain.” (Vật thể bay không xác định, hay UFO, là bất kỳ thứ gì trên bầu trời mà người nhìn thấy không thể giải thích được.)
→ Điều này cho thấy người nhìn thấy UFO không thể giải thích được, tức là không dễ để mô tả một UFO.
→ False
