词汇测验:

1. affinity

2. buffet

3. calumny

4. soluble

5. emulate

6. petulance

7. cupidity

8. derivative

9. dilatory

10. bard

11. cognizant

12. veneer

13. erudite

14. exasperate

15. surreptitious

16. inept

17. corroborate

18. serendipity

19. constrain

20. nebulous

剩余时间： 200 秒