2. 外语
  3. China to Help Europe Develop GPS Rival China is to contribute to a new global satellite navigation system being developed by

China to Help Europe Develop GPS Rival China is to contribute to a new global satellite navigation system being developed by

admin2009-06-15  31
问题                                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(1)a more accurate civilian alternative to the Global Positioning System (GPS), operated by the US military. China will provide 230m Euros (USD 259m) in(2)and will cooperate with technical, manufacturing and market evelopment. "China will help Galileo to(3)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(4)the European Commission, the European Space Agency (ESA) and the Chinese Ministry of Science and Technology not long(5). The China-Europe Global Navigation Satellite System Technical Training and Cooperation Center will be(6)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(7)the US ability to downgrade the GPS service during military conflicts. European officials say this is unfounded and counter that US opposition(8)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. The Galileo satellite constellation will(9)27 operational and three reserve satellites orbiting the Earth at all altitude of 23,600 km. The satellites will be strung along three medium-Earth orbits at 56 degrees inclination to the equator and will provide global coverage. The System should be operational by 2008 and the entire project is expected to(10)around 3.2 billion Euros (USD 3.6 billion).    The Europearl Commission has said Galileo will primarily be used for transportation technology, scientific research, land management and disaster monitoring.    Galileo will provide two signals; a standard civilian one and an encrypted, wide-band signal(11)the Public Regulated Service (PRS). This second signal is designed to withstand localized jamming and will be used by police and military services in Europe. European Commission(12)have said China will not be given access to the PRS.    The first Galileo satellite is scheduled to launch late in 2004. Clocks on board the(13)will be synchronized through 20 ground sensors stations, two command centers and 15 uplink stations.    Receivers on the ground will use time signals from the satellites to precisely calculate their(14). A "search and rescue" function will also(15)distress signals be relayed through the    constellation of satellites.   
infrastructure n. 基础结构，基础设施    encrypt v. 把……编码    jam v. (信号)干扰    unfounded adj.无事实根据的    sensorn. 传感器；敏感元件    constellation n.(卫星)群集    inclination n. 倾斜    uplink n. (从地球到通讯卫星的)上行线路，向上传输  
选项 A、offer
B、offered
C、will offer
D、has offered
答案C
解析 该段主要是说，中国将帮助欧洲建立一个全球卫星导航系统。因此，作者整段使用了将来时。
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