Unit 1 He spent about twentyone hours in space. 一、将词语与相对应图片连线。1. A. earth2. B. taikonaut3. C. space travel4. D. airport5. E. spaceship二、单项选择。( ) 1. I ________ to Hainan a long tim e ago. A. goB. goesC. went( ) 2. My aunt flew ________ Shanghai last Sunday. [来源:...