基本信息
nformation
5. complete a task
6. let out
7. express the wishes of…
8. explore space peacefully
9. because of
10. lift off
11. choose … from
12. separate …from…
13. soar into the sky
14. do…for the 序数词 time
15. circle the earth twice
17. in one’s opinion
18. millions of people
19. all over china
20. wave to the crowds
21. be inte
