词汇测验:

1. vacillate

2. compliment

3. acerbic

4. brazen

5. undulate

6. garrulous

7. mercurial

8. antagonism

9. insatiable

10. expedient

11. nascent

12. ubiquitous

13. propagate

14. epitome

15. revoke

16. dormant

17. inoculate

18. censure

19. desiccated

20. validate

剩余时间： 200 秒