2012年考研英语2的答案如下：
Part A：Reading Comprehension
1. Text 1 - A
2. Text 2 - C
3. Text 3 - D
4. Text 4 - B
Part B：Translation
1. The rapid development of technology has brought about significant changes in our lives.
2. It is essential to maintain a healthy lifestyle to ensure a long and happy life.
3. The teacher's encouragement played a crucial role in my academic success.
4. The government has implemented strict regulations to protect the environment.
Part C：Writing
1. Paragraph 1 - Introduction
2. Paragraph 2 - Body Paragraph 1
3. Paragraph 3 - Body Paragraph 2
4. Paragraph 4 - Conclusion
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