词汇测验:

1. imperative

2. sagacity

3. disparate

4. demarcation

5. gratuitous

6. pertinacious

7. debase

8. verbose

9. assiduous

10. pathology

11. quaint

12. affront

13. precocious

14. oblivious

15. incendiary

16. evanescent

17. transient

18. wrath

19. fortuitous

20. aberration

剩余时间： 200 秒