2019年考研英语二的答案如下：
Part A：Reading Comprehension
1. Passage 1
- Question 1: B
- Question 2: C
- Question 3: D
- Question 4: A
- Question 5: B
2. Passage 2
- Question 1: C
- Question 2: A
- Question 3: D
- Question 4: B
- Question 5: C
3. Passage 3
- Question 1: A
- Question 2: B
- Question 3: C
- Question 4: D
- Question 5: A
Part B：Translation
1. 随着科技的飞速发展，人工智能逐渐成为我们生活的一部分。
2. 在面对困难时，我们要保持乐观的心态，勇敢地迎接挑战。
3. 通过这次旅行，我深刻体会到了团队合作的重要性。
4. 读书可以开阔我们的视野，丰富我们的知识。
5. 环保意识已经深入人心，我们每个人都应该为保护环境贡献自己的力量。
Part C：Writing
Task 1: Letter of Complaint
Dear Sir/Madam,
I am writing to express my dissatisfaction with the service I received at your hotel last weekend. The room was not clean, and the staff were rude. I would like to request a refund for the accommodation.
Task 2: Essay
In my opinion, it is important to maintain a healthy lifestyle. Regular exercise, a balanced diet, and adequate sleep are essential for our physical and mental well-being. Moreover, a healthy lifestyle can prevent chronic diseases and improve our quality of life.
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