词汇测验:

1. insular

2. audacious

3. culmination

4. cerebral

5. ardor

6. utopia

7. precipice

8. compound

9. precocious

10. repulse

11. acerbic

12. convoluted

13. brusque

14. venerate

15. deferential

16. pungent

17. notorious

18. engender

19. defamatory

20. obstinate

剩余时间： 200 秒