2015年考研英语答案解析如下：
一、阅读理解
1. 第一篇文章主要讲述了人工智能的发展及其对人类生活的影响。答案：人工智能的发展对人类生活产生了深远的影响。
2. 第二篇文章主要介绍了全球气候变化对农业的影响。答案：全球气候变化对农业产生了负面影响。
3. 第三篇文章主要讨论了教育改革的重要性。答案：教育改革对于提高教育质量具有重要意义。
二、完形填空
文章主要讲述了一位成功的企业家如何克服困难，实现自己的梦想。答案：企业家通过不断努力，最终实现了自己的梦想。
三、翻译
1. 翻译：The Internet has become an indispensable part of our daily lives.
答案：互联网已经成为我们日常生活中不可或缺的一部分。
2. 翻译：In order to achieve success, one must be determined and persistent.
答案：为了实现成功，一个人必须坚定并持之以恒。
四、写作
1. 写作：考研英语作文
题目：The Importance of Environmental Protection
答案：Environmental protection is of great importance in our daily lives. It not only affects our health, but also impacts the development of our country. Therefore, we should take effective measures to protect our environment.
2. 写作：考研英语作文
题目：The Advantages and Disadvantages of Online Education
答案：Online education has both advantages and disadvantages. On the one hand, it provides convenience and flexibility for students. On the other hand, it may lead to a lack of face-to-face communication skills. In conclusion, online education is a double-edged sword, and we should make full use of its advantages while minimizing its disadvantages.
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