词汇测验:

1. acerbic

2. trepidation

3. obsolete

4. sovereign

5. mollify

6. scathing

7. emollient

8. aberration

9. cavort

10. astute

11. infusion

12. pathology

13. variegated

14. sophomoric

15. confound

16. tremulous

17. conduit

18. portent

19. imperious

20. boisterous

剩余时间： 200 秒