2. 外语
  3. In 1961, NASA has encouraged studies of space-planes that could be built using existing technology. Space policy is dominated b

In 1961, NASA has encouraged studies of space-planes that could be built using existing technology. Space policy is dominated b

admin2009-04-23  33
问题 In 1961, NASA has encouraged studies of space-planes that could be built using existing technology.
Space policy is dominated by polities.
选项 A、Y
B、N
C、NG
答案A
解析 从第4段的第1句可以找到答案，太空政策受到政治的支配。
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大学英语六级

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