第一组 1. contain 2. access 3. crash 4. keyword 5. log 6. software 7. breakdown 8. source 9. accessible 10. data
第二组 11. defence 12. create 13. network 14. via 15. percentage 16. design 17. document 18. invention 19. permission 20. military
第三组 21. concentrate 22. definite 23. fantastic 24. independent 25. essay 26. pass 27. frequently 28. disadvantage 29. average 30. statistics 31. shorten 32. sideways
短语
1.consist of
2. as well
3. become known as ...
4. go down
5. come up with
6. from that moment on
7. concentrate on
8. compared with
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