吉林大学考研英语二的答案如下：
1. 短文理解：
（1）A. （2）B. （3）C. （4）D. （5）B
2. 阅读理解：
（1）C. （2）D. （3）B. （4）A. （5）C
3. 完形填空：
（1）A. （2）D. （3）B. （4）C. （5）A
4. 翻译：
（1）This experiment has provided valuable insights into the effects of various factors on the performance of the material.
（2）She has demonstrated her leadership skills through her effective management of the team.
（3）The rapid development of technology has brought about significant changes in our daily lives.
5. 写作：
考研英语二作文：
Dear friends,
I am writing to share with you my views on the importance of lifelong learning. In today's rapidly changing world, it is crucial for individuals to engage in lifelong learning to keep up with the latest developments and enhance their competitiveness in the job market.
Firstly, lifelong learning enables individuals to continuously update their knowledge and skills. With the advancement of technology and the globalization of the economy, new industries and job opportunities are emerging constantly. By engaging in lifelong learning, individuals can stay informed about these changes and adapt accordingly.
Secondly, lifelong learning helps individuals to develop critical thinking and problem-solving skills. In the face of complex challenges, it is essential to have the ability to analyze situations, think critically, and come up with effective solutions. Lifelong learning provides individuals with the opportunity to acquire these valuable skills through various courses and training programs.
Lastly, lifelong learning promotes personal growth and self-improvement. It allows individuals to explore their interests and passions, broadens their horizons, and enhances their overall well-being. By continuously learning, individuals can lead more fulfilling and meaningful lives.
In conclusion, lifelong learning is of great importance in today's society. It not only helps individuals to keep up with the latest developments but also enhances their competitiveness and personal growth. Therefore, I strongly recommend that everyone embraces the spirit of lifelong learning and invests in their own development.
Yours sincerely,
[Your Name]
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