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第六部分：完型填空 阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答案，涂在答题卡相应的位置上。 China to Help Europe Develop GPS Rival China is to contribute to a new global satellite navigation system being developed by European nations. The Galileo satellite system 51 a more accurate civilian alternative to the Global Positioning System, operated by the US military. China will provide 230m Euros in 52 and will cooperate with technical, manufacturing and market development. China will help Galileo to 53 the major world infrastructure for the growing market for location services, said Loyola de Palacio, EU transport commissioner. A new center that will coordinate co-operation was also announced 54the European Commission, the European Space Agency and the Chinese Ministry of Science and Technology not long 55 The China-Europe Global Navigation Satellite System Technical Training and Cooperation Center will be 56 at Beijing University. China has a substantial satellite launch industry and could potentially help launch the Galileo satellites. The US has claimed that Galileo could interfere 57 the US ability to downgrade the GPS service during military conflicts. European officials say this is unfounded and counter that US opposition 58 the commercial challenge Galileo would present to GPS. Galileo will be precise to within a meter, while the civilian GPS service is accurate to around 10 meters. | 
