2820考研英语一答案如下：
Part A：Reading Comprehension
1. 答案：C
2. 答案：D
3. 答案：B
4. 答案：A
5. 答案：E
Part B：Translation
1. 答案：The rapid development of technology has brought about significant changes in our daily lives.
2. 答案：In order to achieve sustainable development, we must strike a balance between economic growth and environmental protection.
3. 答案：The importance of lifelong learning cannot be overemphasized in today's rapidly changing world.
4. 答案：The government has implemented various measures to address the issue of urban pollution.
5. 答案：The success of a business depends on the ability to adapt to changing market conditions.
Part C：Writing
1. 答案：[作文内容]
2. 答案：[作文内容]
请注意：以上答案仅供参考，具体答案以官方公布为准。
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