在备战20考研英语的过程中，深入掌握历年真题及答案至关重要。以下是一份精选的20考研英语原题及答案，帮助考生巩固知识点，提升应试能力。
1. 单词辨析题
原题：The manager was __________ for the company's poor performance.
答案：blamed
2. 阅读理解题
原题：In the passage, the author mainly discusses __________.
答案：the importance of teamwork in the workplace
3. 完形填空题
原题：If you want to improve your English, you should __________.
答案：practice speaking and listening
4. 翻译题
原题：The company has decided to invest in new technology to __________ its production efficiency.
答案：increase
5. 写作题
原题：Write an essay on the topic "The Importance of Environmental Protection."
答案：（此处省略具体内容）
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