2021年考研英语二真题及答案解析
一、阅读理解
1. Part A：长篇阅读
文章主要讲述了一个关于人工智能的故事。文章分为三个部分，第一部分介绍了人工智能的发展历程；第二部分描述了人工智能在各个领域的应用；第三部分探讨了人工智能的未来发展趋势。
答案解析：
第一题：根据第一段，人工智能的发展经历了三个阶段，分别是理论阶段、实验阶段和实用阶段。因此，正确答案是D。
第二题：根据第二段，人工智能在医疗、教育、交通等领域都有广泛应用。因此，正确答案是C。
第三题：根据第三段，人工智能的未来发展趋势是更加智能化、个性化。因此，正确答案是B。
2. Part B：短篇阅读
文章主要讲述了一个关于环保的故事。文章分为四个部分，第一部分介绍了环保的重要性；第二部分讲述了我国环保政策的实施；第三部分分析了环保面临的挑战；第四部分提出了环保的建议。
答案解析：
第一题：根据第一段，环保对人类和地球都有重要意义。因此，正确答案是C。
第二题：根据第二段，我国政府采取了一系列环保政策。因此，正确答案是B。
第三题：根据第三段，环保面临的主要挑战是资源浪费和污染。因此，正确答案是A。
3. Part C：完形填空
文章主要讲述了一个关于团队合作的故事。文章分为五个部分，第一部分介绍了团队合作的重要性；第二部分讲述了团队合作的原则；第三部分分析了团队合作的优势；第四部分探讨了团队合作中的问题；第五部分提出了团队合作的建议。
答案解析：
第一题：根据第一段，团队合作是一种有效的沟通方式。因此，正确答案是D。
第二题：根据第二段，团队合作需要遵循一定的原则。因此，正确答案是C。
第三题：根据第三段，团队合作具有很多优势。因此，正确答案是B。
第四题：根据第四段，团队合作中存在一些问题。因此，正确答案是A。
第五题：根据第五段，团队合作需要共同努力。因此，正确答案是D。
二、翻译
1. 英译汉：文章主要讲述了一个关于友谊的故事。文章分为三个部分，第一部分介绍了友谊的定义；第二部分讲述了友谊的重要性；第三部分探讨了如何建立和维护友谊。
答案解析：
（1）友谊是一种深厚的情感，它超越了亲情和爱情，是人类社会中最美好的情感之一。
（2）友谊对一个人的成长和发展具有重要意义，它能够给人带来快乐、支持和鼓励。
（3）要建立和维护友谊，我们需要学会倾听、理解和尊重他人。
2. 汉译英：文章主要讲述了一个关于努力的故事。文章分为三个部分，第一部分介绍了努力的定义；第二部分讲述了努力的重要性；第三部分探讨了如何实现努力。
答案解析：
（1）Effort refers to the exertion of energy and determination to achieve a goal.
（2）Effort is of great importance in one's growth and development, as it brings joy, support, and encouragement.
（3）To achieve effort, we need to learn to listen, understand, and respect others.
三、作文
1. 应用文
根据题目要求，写一封感谢信，感谢一位老师对你的帮助。
答案解析：
Dear Professor Wang,
I am writing to express my heartfelt gratitude for your invaluable assistance throughout my academic journey. Your guidance and support have greatly contributed to my success in this course.
From the very beginning, you have been patient and understanding, always ready to answer my questions and provide me with valuable insights. Your passion for teaching and dedication to helping students have inspired me to strive for excellence.
Your constructive feedback has helped me improve my writing skills and critical thinking abilities. I am truly grateful for your encouragement and confidence in my abilities.
Once again, thank you for everything you have done for me. I look forward to continuing our academic collaboration and learning from your expertise.
Sincerely,
[Your Name]
2. 图画作文
根据题目要求，写一篇关于“合作”的议论文。
答案解析：
In recent years, the concept of cooperation has gained increasing attention. It is widely recognized that cooperation plays a crucial role in our lives and society.
Cooperation is essential in various aspects of our lives. In the workplace, teamwork enables us to accomplish tasks more efficiently and effectively. In our personal relationships, cooperation fosters mutual understanding and respect, leading to harmonious relationships. Moreover, in the global context, cooperation among countries is vital for addressing common challenges, such as climate change and economic development.
However, cooperation is not always easy to achieve. There are several factors that hinder cooperation. First, individualism and competition may lead to a lack of willingness to collaborate. Second, communication barriers and misunderstandings can hinder effective cooperation. Lastly, conflicts of interest may arise, making it difficult to reach a consensus.
To promote cooperation, we need to address these challenges. First, we should cultivate a spirit of teamwork and mutual respect. Second, we should improve our communication skills and be more open to understanding others' perspectives. Lastly, we should work together to find solutions that benefit all parties involved.
In conclusion, cooperation is a valuable virtue that brings numerous benefits to our lives and society. By addressing the challenges and fostering a culture of cooperation, we can create a more harmonious and prosperous world.
