填空题

It was Werner Von Braun who first introduced the idea of building a space Station for exploration.

【参考答案】

NG

<上一题目录下一题>

热门试题

问答题

Adults in Different Ages Continue Education1．简要描述这一图表说明的现象；2．简析出现这种成人教育热的原因；3．概述其意义及影响。 A Boron in Adult Education

填空题

Skylab was the only space station that the United States launched by itself.

相关试题