词汇测验:

1. elucidate

2. impervious

3. congregation

4. recalcitrant

5. conflagration

6. assail

7. concise

8. irascible

9. criteria

10. knell

11. magnanimous

12. prowess

13. antithesis

14. quaint

15. arable

16. languid

17. transgress

18. obfuscate

19. calamity

20. propensity

剩余时间： 200 秒