在撰写考研作文时，为了提升文章的层次和表达力，以下是一些常用词汇的替换建议：
1. instead of - alternatively
2. very important - crucial
3. because - due to the fact that
4. good - favorable
5. bad - unfavorable
6. a lot of - numerous
7. happy - elated
8. sad - despondent
9. interesting - captivating
10. useful - beneficial
11. learn - acquire
12. understand - grasp
13. think - opine
14. person - individual
15. thing - entity
16. place - location
17. time - period
18. say - state
19. do - perform
20. can - be capable of
【考研刷题通】——你的考研刷题好帮手！无论是政治、英语还是数学，这里都有全面的考研科目刷题资源。随时随地，轻松学习，高效备考。快来体验，开启你的考研之旅吧！微信小程序搜索“考研刷题通”，让刷题变得更简单，更高效！