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2024-06-17  44
问题 In 1961, NASA has encouraged studies of space-planes that could be built using existing technology. [br] ______ countries have worked together to build the International Space Station.
选项
答案 5
解析 第9段第3句中“A large part…from the US， Canada，Europe、Japan and Russia”
转载请注明原文地址:https://tihaiku.com/zcyy/3637956.html
相关试题推荐
随机试题
最新回复(0)