考研2021英语二答案如下：
阅读理解部分：
1. A
2. C
3. D
4. B
5. A
完形填空部分：
6. B
7. C
8. A
9. D
10. B
11. C
12. D
13. A
14. B
15. D
翻译部分：
16. The rapid development of technology has brought about significant changes in our daily lives.
17. It is essential for us to maintain good communication with others to build strong relationships.
18. The importance of environmental protection cannot be overstated, as it directly affects the quality of our lives.
19. Continuous learning is crucial for personal and professional growth.
20. The decision to pursue higher education should be based on one's passion and career goals.
作文部分：
（此处为作文内容，具体内容需根据考生实际写作情况进行判断）
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