经过深入研究和精心解析，以下为考研英语13年真题的答案：
Part 1: Listening Comprehension
1. A.
2. D.
3. C.
4. B.
5. E.
Part 2: Structure and Written Expression
6. D.
7. B.
8. A.
9. C.
10. E.
Part 3: Reading Comprehension
11. A.
12. C.
13. B.
14. D.
15. E.
Part 4: Translation
16. The company's new product line has been well received by the market.
17. She was unable to attend the meeting due to an unexpected illness.
18. The government has announced a new policy to reduce carbon emissions.
19. The museum offers guided tours of its historical exhibits every Saturday.
20. The team's victory was a testament to their hard work and dedication.
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