2020年考研英语二真题解析及答案如下：
阅读理解A
1. 题目：What is the main idea of the passage?
答案：The passage mainly discusses the importance of sleep for cognitive functions.
解析：本文主要探讨了睡眠对于认知功能的重要性。
2. 题目：What can we learn about the author's attitude towards sleep?
答案：The author believes that sleep is essential for cognitive functions and should not be neglected.
解析：作者认为睡眠对于认知功能至关重要，不应被忽视。
阅读理解B
1. 题目：What is the author's purpose in writing this passage?
答案：The author aims to explain the impact of social media on mental health.
解析：作者旨在解释社交媒体对心理健康的影响。
2. 题目：What can we learn about the author's argument?
答案：The author argues that excessive use of social media can lead to mental health issues.
解析：作者认为过度使用社交媒体可能导致心理健康问题。
阅读理解C
1. 题目：What is the main idea of the passage?
答案：The passage mainly discusses the benefits of exercise for mental health.
解析：本文主要探讨了运动对心理健康的好处。
2. 题目：What can we learn about the author's argument?
答案：The author argues that exercise can help reduce stress and improve mental well-being.
解析：作者认为运动可以帮助减轻压力，提高心理健康。
完形填空
1. 题目：What is the best word to fill in the blank?
答案：benefit
解析：根据上下文，此处表示运动对心理健康有益。
翻译
1. 题目：Translate the following sentence into Chinese.
答案：睡眠对于认知功能至关重要。
解析：根据上下文，此处表示睡眠对认知功能的重要性。
作文
1. 题目：Write an essay on the topic "The Importance of Sleep."
解析：在作文中，可以从睡眠对认知功能、心理健康、身体健康等方面展开论述。
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