考研英语三大题主要包括：
1. 写作（Writing）：通常分为小作文（100字左右）和大作文（150-200字左右）。小作文要求考生根据所给情景写一封信、报告或通知等；大作文则要求考生就某一话题进行论述，表达自己的观点。
例题：小作文：
```
Suppose you are Zhang Wei, a graduate student from China. Write an email to your friend Tom in the UK, describing the following:
1. The most impressive building you have ever visited.
2. The reason why it impressed you so much.
3. What you can learn from this experience.
```
答案：
```
Dear Tom,
I hope this email finds you well. I wanted to share with you an experience that left a deep impression on me.
The most impressive building I have ever visited is the Great Wall of China. It is not only a symbol of Chinese history and culture but also a marvel of ancient engineering. The sheer size and the breathtaking view from the top were simply awe-inspiring.
What impressed me the most was the determination and perseverance of the ancient Chinese people who built it. It was a massive project that required the labor of countless workers over generations. This experience taught me the value of hard work and dedication.
I believe this trip to the Great Wall has enriched my understanding of Chinese history and culture. It has also inspired me to strive for great achievements in my own life.
Looking forward to hearing from you soon.
Best regards,
Zhang Wei
```
2. 阅读理解（Reading Comprehension）：通常包含4篇文章，每篇文章后有5个问题，要求考生根据文章内容选择最佳答案。
例题：
```
Questions:
1. What is the main topic of the passage?
2. According to the passage, which of the following is true?
3. The author's purpose in writing this passage is to ...
4. Which of the following can be inferred from the passage?
5. The passage mainly discusses ...
```
答案：需根据具体文章内容进行选择。
3. 翻译（Translation）：要求考生将一段英文翻译成中文，通常为150-200字。
例题：
```
Translate the following passage from English into Chinese:
"The rapid development of technology has brought about significant changes in our daily lives. From the way we communicate to the way we work, technology has become an indispensable part of our lives."
```
答案：
```
科技的快速发展给我们的日常生活带来了巨大的变化。从我们的沟通方式到工作方式，科技已经成为我们生活中不可或缺的一部分。
```
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