2. 职称英语
  3. In 1961, NASA has encouraged studies of space-planes that could be built using e

In 1961, NASA has encouraged studies of space-planes that could be built using e

游客2023-09-17  48
问题 In 1961, NASA has encouraged studies of space-planes that could be built using existing technology. [br] 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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