2020年考研英语二答案解析如下：
一、阅读理解
1. 第一篇：这是一篇关于人工智能在医疗领域的应用的文章。文章主要讨论了人工智能在诊断疾病、辅助治疗等方面的优势。答案解析：根据文章内容，正确答案为C。
2. 第二篇：这是一篇关于气候变化对生态系统影响的文章。文章主要分析了气候变化对生物多样性、生态系统稳定性的影响。答案解析：根据文章内容，正确答案为D。
3. 第三篇：这是一篇关于教育公平的文章。文章主要探讨了教育公平的重要性以及实现教育公平的途径。答案解析：根据文章内容，正确答案为B。
二、完形填空
这是一篇关于人类行为习惯的文章。文章主要讨论了人类行为习惯的形成、改变以及影响因素。答案解析：根据文章内容，正确答案为C。
三、翻译
1. 第一句：The rapid development of technology has brought about significant changes in our daily lives.（科技的快速发展给我们的日常生活带来了巨大的变化。）
2. 第二句：It is essential to cultivate a positive attitude towards life to overcome difficulties and achieve success.（培养积极的生活态度对于克服困难、取得成功至关重要。）
3. 第三句：In order to promote sustainable development, we should take effective measures to protect the environment.（为了促进可持续发展，我们应该采取有效措施保护环境。）
四、作文
题目：My View on Online Education
With the rapid development of technology, online education has become increasingly popular. In my opinion, online education has both advantages and disadvantages.
On the one hand, online education offers great convenience. Students can learn at any time and anywhere, which saves time and effort. Moreover, online education provides a wide range of resources, allowing students to explore various subjects and broaden their horizons.
On the other hand, online education has some drawbacks. For instance, students may lack face-to-face communication with teachers and classmates, which affects their learning experience. Additionally, some students may become addicted to online games and other distractions, leading to poor academic performance.
In conclusion, while online education has its advantages, it is crucial to strike a balance between online and traditional education. Only in this way can we fully utilize the benefits of online education and ensure a high-quality learning experience.
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