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UFOs Sixty years ago, a man named Kenneth Arnold saw something that we can still 1 today something that changed popular culture for ever. Flying his plane over mountains in the US state of Washington, he saw a line of strange objects, either crescent-shaped (月牙形的) or disc-like, flying 2 the motion of a saucer (碟) skimming (飞速掠过) on water. The media soon picked up on the story—the Flying Saucers were here! Was the earth being 3 by creatures from another planet Soon, So many sightings were made that the US military began to 4 . It called these strange Objects UFOs—Unidentified Flying Objects, and that is how they are 5 today. Military investigations found no evidence of visitors from outer space. But that did not stop the true 6 . The military were 7 up, they said. Or maybe it was because the travelers from space were of such superior intelligence 8 they could hide from military analysts (分析家). People have always seen strange lights in the sky. In the past these were explained in 9 ways. In a world where religion was less influential and science fiction was popular, signs from God were replaced by visitors from other 10 . The date of the first UFO sightings was also significant. In 1947, World War Ⅱ had just ended and the 11 War was just beginning. Humanity seemed locked in endless conflicts. Like generations before them, people looked 12 the skies for help. But instead of seeking God, they looked for help from super-intelligent aliens (外星人) with 13 technology. Belief in UFOs became the first religion of science. However, even people who believe in UFOs are not quite sure why they visit the earth. The universe is a big place and it is 14 to assume that there is life somewhere out there. It is possible that aliens have worked out how to travel through space. Yet some people report that they have been taken by aliens and have had experiments 15 on them. Why would anyone travel across half the universe to conduct medical experiments on people living in small towns in the United States
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Ways to Reduce Exposure to Air Pollution 1. A report published recently brings bad news about air pollution. It suggests that it could be as damaging to our health as exposure to the radiation from the 1986 Ukraine nuclear power plant disaster. The report was published by the UK’s Royal Commission on Environmental Pollution. But what can city people do to reduce exposure to air pollution Quite a lot, it turns out. 2. Avoid walking in busy streets. Choose side streets and parks instead. Pollution levels can fall a considerable amount just by moving a few meters away from the main pollution source—exhaust fumes (废气). Also don’t walk behind smokers. Walk on the windward (顶风的) side of the street where exposure of pollutants (污染物) can be 50 percent less than on the downwind (顺风的) side. 3. Sitting on the driver’s side of a bus can increase your exposure by 10 percent, compared with sitting on the side nearest the pavement. Sitting upstairs on a double-decker (双层电车) can reduce exposure. It is difficult to say whether traveling on an underground train is better or worse than taking the bus. Air pollution on underground trains tends to be less toxic (有毒的) than that at street level, because underground pollution is mostly made up of tiny iron particles (粒子) thrown up by wheels hitting the rails, while diesel (柴油机) and petrol fumes have a mixture of pollutants. 4. When you are crossing a road, stand well back from the curb (路缘) while you wait for the light to change. Every meter really does count when you are close to traffic. As the traffic begins to move, fumes can be reduced in just a few seconds. So holding your breath for just a moment can make a difference, even though it might sound silly. 5. There are large sudden pollution increases during rush hours. Pollution levels fall during nighttime. The time of year also makes a big difference. Pollution levels tend to be at their lowest during spring and autumn when winds are freshest. Extreme cold or hot weather has a trapping effect and tends to cause a build-up of pollutants. Pollution levels are lower ______.
Bomb Explosions in Thailand The new year celebration in Thailand was shattered by violence, when nine bombs exploded across Bangkok around midnight. Three Thai citizens were killed and more than 30 injured. Among the injured, six were foreigners. No Chinese casualties were reposed, the Chinese Embassy in Bangkok, the capital, said on Monday. 1 But other embassies have advised their citizens to avoid traveling to Bangkok. "There is a possibility of further attacks in coming days," said a travel advisory (公告) from Australia. "Australians are urged to avoid unnecessary travel in Bangkok." No terrorist group claimed responsibility for the bombings by Tuesday. 2 Bombings and shootings occur almost daily in Thailand’s three southernmost provinces. Yala, Naarathiwat and Pattani have a dominant Muslim population and have long complained of neglect (忽视) and discrimination (歧视) in the largely Buddhist (佛教徒的) nation. They have asked for independence and a separate Islamic (伊斯兰的) state. Since 2004, the insurgents (叛乱者) have carried out numerous attacks in the south and more than 1,900 people have been killed. 3 But Thai Prime Minister Surayud Chulanont said on Monday that domestic politics rather than the Muslim insurgency was behind the bombings. "It is likely related to people who lost their political benefits," Surayud said, referring to Thaksin Shinawatra. 4 Surayud was later appointed interim (临时的) prime minister. Thaksin, however, still enjoys widespread support, especially in the countryside. 5 Thaksin’s lawyer, Noppadol Patama, denied his client’s involvement in the bombings, according to a local website. A. Some believe the explosions were the work of Muslim separatists. B. Some believe that several senior army officers loyal to Thaksin plotted the bombings with ousted (赶下台) politicians to discredit (败坏名声) the government. C. Thaksin was ousted in a military coup (政变) last September. D. The Thai Government has been unable to control the violence, though thousands of troops have been sent to the south. E. The embassy issued no travel warnings. F. Nobody is to blame.
UFOs Sixty years ago, a man named Kenneth Arnold saw something that we can still 1 today something that changed popular culture for ever. Flying his plane over mountains in the US state of Washington, he saw a line of strange objects, either crescent-shaped (月牙形的) or disc-like, flying 2 the motion of a saucer (碟) skimming (飞速掠过) on water. The media soon picked up on the story—the Flying Saucers were here! Was the earth being 3 by creatures from another planet Soon, So many sightings were made that the US military began to 4 . It called these strange Objects UFOs—Unidentified Flying Objects, and that is how they are 5 today. Military investigations found no evidence of visitors from outer space. But that did not stop the true 6 . The military were 7 up, they said. Or maybe it was because the travelers from space were of such superior intelligence 8 they could hide from military analysts (分析家). People have always seen strange lights in the sky. In the past these were explained in 9 ways. In a world where religion was less influential and science fiction was popular, signs from God were replaced by visitors from other 10 . The date of the first UFO sightings was also significant. In 1947, World War Ⅱ had just ended and the 11 War was just beginning. Humanity seemed locked in endless conflicts. Like generations before them, people looked 12 the skies for help. But instead of seeking God, they looked for help from super-intelligent aliens (外星人) with 13 technology. Belief in UFOs became the first religion of science. However, even people who believe in UFOs are not quite sure why they visit the earth. The universe is a big place and it is 14 to assume that there is life somewhere out there. It is possible that aliens have worked out how to travel through space. Yet some people report that they have been taken by aliens and have had experiments 15 on them. Why would anyone travel across half the universe to conduct medical experiments on people living in small towns in the United States
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