航空概论(历年资料,引之百度文库,PS:未调格式,有点乱)
航空航天尔雅选择题1. 已经实现了《天方夜谭》中的飞毯设想。—— A——美国2. 地球到月球大约—— C 38 万公里3. 建立了航空史上第一条定期空中路线—— B——德国4. 对于孔明灯来说,最重要的是—— C——
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