词汇测验:

1. indefatigable

2. manifesting

3. develops

4. portray as a villain

5. treasury

6. invaluable

7. underdog

8. ideal

9. stress

10. acid

11. tool

12. run into

13. invigorating

14. grip

15. cement

16. Industrial Revolution

17. ethic

18. kick

19. disregard

20. compound

剩余时间： 200 秒