词汇测验:

1. incendiary

2. obscure

3. abject

4. impassive

5. dilatory

6. dissipate

7. daunting

8. limpid

9. arbitration

10. combustion

11. propensity

12. disperse

13. implement

14. tranquil

15. indignation

16. soluble

17. judicious

18. poignant

19. tirade

20. ostensible

剩余时间： 200 秒