词汇测验:

1. ambiguous

2. perspicacity

3. heterogeneous

4. veneer

5. ascertain

6. circumscribed

7. immerse

8. permeate

9. mercurial

10. altercation

11. salve

12. propensity

13. conformist

14. ingenuous

15. rescind

16. revoke

17. knell

18. torrid

19. flout

20. penurious

剩余时间： 200 秒