填空时请填完整单词,注意大小写。 According to recent surveys, 72% of all Americans believe that the United States government is (1)hi___ information about UFOs. Almost 68% of people think that the government has secret knowledge of extraterrestrial life. It is not (2)____ (surprise) that the government has come under more and more (3) pr____to declassify its UFO records and make them public. Avariety of different groups have been involved in these efforts. One group to become involved is called CFI,the Coalition for Freedom of Information. John Podesta, who was White House Chief of Staff during Bill Clinton’s (4)____ (president), is one of the many high-powered people active in this group. CFI’s aim is not to prove the (5)____ (exist) of extraterrestrial life, but to make it easier for scientists in general to study unexplained aerial phenomena. Podesta and his group have asked the Pentagon to declassify its UFO records and therefore provide scientists (6) ____ data that will help in the study of UFOs. CFI has requested the release of informationon several UFO cases, starting with the Kecksburg, Pennsylvania, incident. This incident took (7)____ in 1965 when a large acorn-shaped object, the size of a small car, crashed in Pennsylvania. Some analysts say it could have been the spacecraft Kosmos 96 that had been launched towards Venus by the Soviet Union, but failed to escape Earth’s(8) g____ . Others say the object did not look anything like spacecraft built on Earth in 1965. (9) Add____, the people of Kecksburg want to know what happened. On that (10) af____, hundreds of eyewitnesses watched a fiery streak of light descend from the sky towards Earth. Officials explained that nothing was foundor recovered and that maybe the fireball in the sky was a meteor. But many witnesses say they saw a number of military personnel from the Army and the Air Force search the woods, and later that evening, saw a large military tractor-trailercoming from the area carrying a large object under a tarp.