问题
选择题
By 2015, China plans to have its own Global Positioning System ( GPS) _____ more than 30 satellites. [ ]
A. made of
B. made from
C. made up of
D. made out
答案
答案：C
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By 2015, China plans to have its own Global Positioning System ( GPS) _____ more than 30 satellites. [ ]
A. made of
B. made from
C. made up of
D. made out
答案：C