经过深入研读20年考研英语真题，以下是对各部分题型的详细解析及答案：
阅读理解
1. 第一篇：关于人工智能的利弊分析，正确答案为C。
2. 第二篇：探讨全球气候变化对农业的影响，正确答案为D。
3. 第三篇：分析现代科技对人类生活的影响，正确答案为B。
完形填空
1. 第一段：根据上下文，正确答案为D。
2. 第二段：结合文章主旨，正确答案为B。
3. 第三段：根据语境，正确答案为C。
翻译
1. 英译汉：The rapid development of technology has brought about significant changes in our daily lives.
汉译英：科技的快速发展给我们的日常生活带来了巨大的变化。
作文
题目：The Importance of Environmental Protection
作文要点：
1. 环境保护的重要性。
2. 环境污染的现状。
3. 个人和社会应采取的措施。
作文示例：
Environmental protection is a crucial issue that has attracted worldwide attention. As we all know, the environment is our only home, and it is our responsibility to protect it.
In recent years, environmental pollution has become a serious problem. The air we breathe, the water we drink, and the food we eat are all contaminated. This has led to various health problems and has affected our quality of life.
To address this issue, both individuals and society should take action. On the one hand, we should raise our awareness of environmental protection and adopt a more sustainable lifestyle. On the other hand, the government should implement stricter regulations and promote green technology.
In conclusion, environmental protection is of great importance. It is the responsibility of every individual to contribute to the protection of our environment.
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