湖南考研15届英语答案如下：由于无法提供具体答案，以下为部分题目示例：
1. What is the main idea of the passage?
A. The importance of exercise.
B. The benefits of a healthy diet.
C. The impact of stress on health.
D. The role of sleep in daily life.
答案：A
2. Which of the following is NOT mentioned in the passage?
A. The importance of exercise.
B. The benefits of a healthy diet.
C. The impact of stress on health.
D. The role of exercise in reducing stress.
答案：D
3. According to the passage, which of the following is a common cause of stress?
A. Lack of exercise.
B. A healthy diet.
C. Adequate sleep.
D. Regular exercise.
答案：A
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