1 . 英汉互译
1. crucial ________
2. defeat ________
3. analyse ________
4. persuade________
5. critical ________
6. relevant ________
7. vast ________
8. incredible ________
9. vary ________
10. witness ________
11. ________极为恶劣的；十分严重的
12. ________证据；证明；检验
13. ________责怪；指责
14. ________减少；降低
15. ________保卫；防守