2017年考研英语2的答案如下：
第一部分：阅读理解
1. A
2. B
3. D
4. C
5. B
第二部分：完形填空
6. A
7. C
8. B
9. D
10. A
11. C
12. D
13. B
14. A
15. C
第三部分：翻译
16. 翻译：With the rapid development of technology, our lives have been greatly changed.
17. 翻译：In order to achieve our goals, we need to work hard and persist in our efforts.
18. 翻译：The teacher encouraged the students to ask questions and express their opinions actively in class.
19. 翻译：The government has taken measures to protect the environment and improve the quality of life.
20. 翻译：With the support of our family and friends, we can overcome any difficulties and achieve success.
第四部分：写作
21. 写作：With the rapid development of society, the importance of environmental protection has become increasingly evident. As a responsible citizen, I believe that we should take actions to protect our environment and ensure a sustainable future for our children.
22. 写作：In my opinion, friendship is one of the most valuable things in life. True friends are those who support and care for each other in both good and bad times.
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