词汇测验:

1. mandate

2. linchpin

3. ephemeral

4. manifest

5. enamor

6. vestige

7. obstinate

8. distend

9. ennui

10. benevolent

11. negligent

12. efface

13. tractable

14. augment

15. abnegation

16. incumbent

17. variegated

18. implement

19. disperse

20. extricate

剩余时间： 200 秒