《China is the third nation that sent a person into space》SectionC PPT
《China is the third nation that sent a person into space》SectionC PPT第5页

In space, computers have been used to control the speed and direction of a spaceship.


《China is the third nation that sent a person into space》SectionC PPT是302edu教育资源网为广大教师,学生整理的仁爱版九年级英语上册课件,当前最多只取前五页作为内容预览页,如有需要可直接下载。有不完善或需要修改的地方,请及时与我们取得联系