词汇测验:

1. raucous

2. dour

3. canny

4. didactic

5. refract

6. tenuous

7. perspicacity

8. reprobate

9. gregarious

10. transient

11. antipathy

12. demarcation

13. implicate

14. primeval

15. aversion

16. vacuous

17. pallid

18. penurious

19. medley

20. diminutive

剩余时间： 200 秒