题目内容
Early this year, Captain Startup was flying an aeroplane over New Zealand. There was a television camera crew on board. Suddenly, out in the night sky, a bright sphere came into view. Everyone on board saw it and everyone thought, "UFO" —Unidentified Flying Object. Many people believe that a UFO is a visiting craft from outer space. The camera crew went into action and started filming. That week people all over the world saw the film of this mysterious light on their television screens. Someone described the object as "a shining ping pong ball". What was it Was it a spaceship full of visitors from another planet The Captain and the film crew believed it was. Other observers had many different explanations. Some say it was Venus. Some say it was just a trick of light. The people on the aeroplane were not the only ones who saw the "UFO". An air traffic controller also saw it on his radar screen. When a reporter asked him if he believed in UFOs, he said, "I don’ t know what they are, but I’ ve got an open mind on them. " Like many scientists, he thought that a flock of birds caused dots on his radar Screen when the UFO appeared.Most astronomers now believe that what these people saw was almost certainly the planet Venus. At that time of year it is very bright and easy to see. And from a moving aeroplane it can appear to be moving fast. So far there is no proof that UFOs or spaceships from other planets do exist. Which of the following possibilities is NOT mentioned（）
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矿山安全技术 矿用本质安全型电气设备的防爆标志是( )。
Early this year, Captain Startup was flying an aeroplane over New Zealand. There was a television camera crew on board. Suddenly, out in the night sky, a bright sphere came into view. Everyone on board saw it and everyone thought, "UFO" —Unidentified Flying Object. Many people believe that a UFO is a visiting craft from outer space. The camera crew went into action and started filming. That week people all over the world saw the film of this mysterious light on their television screens. Someone described the object as "a shining ping pong ball". What was it Was it a spaceship full of visitors from another planet The Captain and the film crew believed it was. Other observers had many different explanations. Some say it was Venus. Some say it was just a trick of light. The people on the aeroplane were not the only ones who saw the "UFO". An air traffic controller also saw it on his radar screen. When a reporter asked him if he believed in UFOs, he said, "I don’ t know what they are, but I’ ve got an open mind on them. " Like many scientists, he thought that a flock of birds caused dots on his radar Screen when the UFO appeared.Most astronomers now believe that what these people saw was almost certainly the planet Venus. At that time of year it is very bright and easy to see. And from a moving aeroplane it can appear to be moving fast. So far there is no proof that UFOs or spaceships from other planets do exist. According to the passage, the writer probably means to say that（）
Conversation 1M: I’ ve got two tickets for a volleyball match this evening. Why don’ t you comeM: Uh, no, thanks. I’ m not very interested in it.W: Oh, why not Have you ever seen it playedM: No, I haven’ t. But...W: That’ s what I thought. You don’ t know what you’ ve missing.M: Don’ t I WhyW: Because it’ s very fast, with lots of action.M: Really Who’ s playingW: Two of the best men’ s teams in the world, one from Finland and the other from Belgium.M: It sounds exciting. Hmm, well, perhaps I’ ll come after all. Why does the woman hesitate to accept the invitation to the match（）
The spaceship flew around the new planet several times. The planet was blue and green. They couldn’t see the surface of the planet because there were too many white clouds. The spaceship descended slowly through the clouds and landed in the middle of a green forest. The two astronauts put on their space suits, opened the door, climbed carefully down the ladder, and stepped onto the planet. The woman looked at a small control unit on her arm. "It’ s all right," she said to the man. "We can breathe the air... it’ s a mixture of oxygen and nitrogen. " Both of them took off their helmets and breathed deeply.They looked at everything carefully. All the plants and animals looked new and strange. They could not find any intelligent life. How many astronauts are there in the spaceship（）
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