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阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。 By the end of June this year, 55 BeiDou satellites 121.(send) u

英语试题 01-28
阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
By the end of June this year, 55 BeiDou satellites 121.(send) up, meaning the completion of China’s self-developed BeiDou Navigation (导航) Satellite System (BDS). 122. BDS appears later than America’s GPS, Russia’s GLONASS and EU’s Galileo, yet it can equal them. As one of the four global navigation satellite systems, BDS involves combined efforts of over 400 123. (agency) and 300,000 research personnel and technicians.
Originally 124.(draft) in the 1980s, the project represents a milestone in China’s space effort. BDS is comparable to GPS in terms of the accuracy of positioning, which has been applied125. shared Hellobikes in Daqing. It also offers short message communication, thus 126. (provide) emergency communications in areas 127. fail to pick up clear conventional communication signals occasionally. In an effort 128. (improve) the quality of their positioning services, Apple and Samsung phones, among others, are already using BDS’s signals, and so is every Chinese brand.
The construction of complete BDS is 129. huge technical achievement for China and can 130.(true) pay off in the near future. Meanwhile, BDS’s remarkable contribution to promoting the world’s economic and social development as well as peaceful use of space has attracted the world’s attention.
1、              2、              3、              4、              5、             
6、              7、              8、              9、              10、           
 
121.had been sent
122.Though/While/Although
123.agencies
124.drafted
125.to
126.providing
127.which/that
128.to improve
129.a
130.truly
 
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