词汇测验:

1. liability

2. appalling

3. daunting

4. pacific

5. servile

6. inviolable

7. tenuous

8. enthrall

9. timorous

10. inexorable

11. exasperate

12. renovate

13. discursive

14. indigent

15. recalcitrant

16. artifact

17. fallacious

18. validate

19. nonchalant

20. mercurial

剩余时间： 200 秒