2. 外语
  3. In 1961, NASA has encouraged studies of space-planes that could be built using existing technology. The large new space project

In 1961, NASA has encouraged studies of space-planes that could be built using existing technology. The large new space project

admin2009-04-23  87
问题 In 1961, NASA has encouraged studies of space-planes that could be built using existing technology.
The large new space project planned at present is the______.
选项
答案International Space Station
解析 第9段第1句，目前制订的最大最新的航天计划是建立国际空间站。
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大学英语六级

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