1. amusements 2. minority　 3. souvenir　 4. educated　 5. collection　 6. rockets 7.prevented　 8. helicopter　 9.giant 10. attraction　 11. thrilled 12. endless 13. shuttles　 14. divided　 15. cartoon　 16. homework　 17. dragon　 18. conservation 19. injury; twisted　 20. imagination

20.　 If you have no __________(想象力), it is impossible for you to learn art well.

19.　 When Robert fell off his bicycle, his only i_______ was a t______(扭) ankle(脚踝).

18.　 There is a need for the c_________ of trees, or there will soon be no forests.

17.　 No one has seen a d______ though we often say it is the symbol of our Chinese people.

16.　 If you stay away from your family for a long time, you will be h______.

15.　 －What kind of film do you prefer, Little Tom?

－ I like c________ film the best because we can easily understand them.

14.　 The teacher d_______ us into four groups.

13.　 The United States has sent up space s_______ but no other countries can do so now.

12.　 Our plane was delayed for hours and the wait seemed e_______.