如何快速提升英语水平?通过公共英语考试?大量练习英语阅读题是很好的方式，阅读集词汇、翻译、语法于一体，整体锻炼考生的英语综合能力。下面是2019年全国英语等级考试三级阅读理解模拟题，欢迎了解! 　　                Unidentified Flying Object
　　Unidentified Flying Object(UFO.is any object or light,reportedly sighted in the sky,that cannot be immediately explained by the observer.Sightings of unusual flying objects date back to ancient times,but UFOs(sometimes called flying saucers.became widely discussed only after the first widely publicized U.S.sighting in 1947.Many thousands of such observations have since been reported worldwide.
　　At least 90 percent of UFO sightings can be identified as conventional objects,although time-consuming investigations are often necessary for such identification.The objects most often mistaken for UFOs are bright planets and stars,aircraft,birds,balloons,kites,aerial flares,peculiar clouds,meteors,and satellites.The remaining sightings most likely can be attributed to other mistaken sightings or to inaccurate reporting,tricks,or delusions,although to disprove all claims made about UFOs is impossible.
　　From 1947 to 1969 the U.S.Air Force investigated UFOs as a possible threat to national security.A total of 12,618 reports were received,of which 701 reports,or 5.6 percent,were listed as unexplained.The air force concluded that"no UFO reported,investigated,and evaluated by the Air Force has ever given any indication of threat to our national security".Since 1969 no agency of the U.S.government has had any active program of UFO investigation.
　　Some persons,however,believe that UFOs are extraterrestrial spacecraft,even though no scientifically valid evidence supports that belief.The possibility of extraterrestrial civilizations is not the stumbling block;most scientists grant that intelligent life may well exist elsewhere in the universe.A fully convincing UFO photograph has yet to be taken,however,and the scientific method requires that highly speculative explanations should not be adopted unless all of the more ordinary explanations can be ruled out.
　　Called Maglev for short,the system under discussion makes use of a high-speed train levitated above a guideway and propelled by magnetic fields.The project has been in the talking stage for several months.
　　Hans Ueberschaer,German's ambassador visited the city together with Harmut Heine,representative of Thyssen Krupp.They had an initial discussion with the mayor there about the prospect of the project.The talks were believed to be constructive and paved the way for the future talks in Berlin,where a commitment was reached.
　　Sources familiar with the talks estimated that the project would cost US$723 million,which would cover everything from land use fees and rail construction to train cars.Completion date is 2005.A joint venture company is to be established for the project.
　　EXERCISE:
　　1.Who paved the way for further negotiations in Berlin?
　　A.The mayor
　　B.Both the German ambassador and the mayor.
　　C.The German ambassador.
　　D.The representative from the German company.
　　参考答案：B
　　2.What was the signed commitment mainly about?
　　A.Finalizing the payment of US$723 million.
　　B.Establishing a joint venture company.
　　C.Conducting a feasibility study.
　　D.Outlining the German company's intention to export its technology.
　　参考答案：C
　　3.What is the main feature of Maglev?
　　A.The Maglev train"floats"above the guideway and zip to its destination.
　　B.The Maglev train zips to its destination on the railway.
　　C.The Maglev train zips to its destination on a double guideway.
　　D.The Maglev train can carry more passengers than the electric train.
　　参考答案：A
　　4.How large will be the success rate of the agreement signed by the two business parties according to the passage?
　　A.It is very likely that the city will have a German-built Maglev line.
　　B.It is very likely that Krupp will ban the export of its technology.
　　C.It is very likely that the city cannot afford the high payment.
　　D.It is very likely that the city will turn to buy US technology.
　　参考答案：A
　　5.What type of writing do you think this passage belongs to?
　　A.An article on popular science.
　　B.An article taken from a transportation book.
　　C.A commercial contract.
　　D.A news report.
　　参考答案：D
　　参考译文：
　　不明飞行物
　　不明飞行物体(UFO.是任何物体或光，据报道在天空中看到，不能立即由观察员解释。对不寻常的飞行物的目击可以追溯到古代，但是UFO（有时称为飞碟）在1947年第一次被广为宣传之后才被广泛讨论。自那时以来，世界上已有数千次这样的观测报告。
　　至少90%的UFO目击事件可以被识别为常规物体，尽管这种识别通常需要耗时的调查。最常被误认为是不明飞行物的物体是明亮的行星和恒星、飞机、鸟类、气球、风筝、空中耀斑、奇特的云、流星和卫星。其余目击事件最有可能归咎于其他错误目击事件或不准确的报告、诡计或错觉，尽管要驳斥所有有关UFO的说法是不可能的。
　　1947至1969年间，美国空军调查不明飞行物对国家安全的威胁。共收到12618份报告，其中701份报告，占5.6%，未作解释。空军的结论是“没有空军报告、调查和评估的UFO曾给予任何威胁我国国家安全的迹象”。自1969以来，美国政府没有任何机构对飞碟进行任何积极的调查。
　　然而，有些人认为UFO是外星人的宇宙飞船，即使没有科学上有效的证据支持这种观点。外星文明的可能性并不是绊脚石；大多数科学家都承认智慧生命很可能存在于宇宙的其他地方。然而，一个完全令人信服的UFO照片还没有被拍摄，并且科学的方法要求除非能够排除所有更普通的解释，否则不应该采用高度推测性的解释。
　　简而言之，这个系统被称作磁悬浮列车，它利用了悬浮在导轨上方并由磁场推动的高速列车。这个项目已经讨论了几个月了。
　　德国大使汉斯·尤伯夏尔和蒂森·克虏伯的代表哈姆特·海因一起访问了德国。他们与市长就这项工程的前景进行了初步的讨论。会谈被认为是建设性的，并为柏林的未来会谈铺平了道路。
　　据知情人士估计，该项目将耗资7.23亿美元，包括土地使用费、铁路建设费和火车车费等各种费用。竣工日期为2005。该项目将成立合资公司。