甲型流感：(1)
假如你是李华，你学校内有人得了猪流感，正在接受治疗，你校学生非常害怕，请你写一篇短文谈谈如何预防猪流感?
1. 平时外出戴口罩，少去人群集中的公共场所, 避免接触病人等。
2. 勤洗手，保证充足睡眠，多锻炼多运动等。
3. 词数: 120字左右
4. 文章的开头已给出, 不计入总词数。
参考词汇: 猪流感swine flu; 口罩 face mask.
Swine flu has come to our School! However, there is no vaccine to protect its virus. How do we protect us from it?
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Swine flu has come to our School! However, there is no vaccine to protect its vi
