1 . 假定你是李华，校报英语“学生健康”专栏正在以“How to prevent myopia (近视)?”为主题开展征文活 动。请你写一篇文章投稿，谈谈你对如何预防近视的建议（至少两条）。
注意：1.词数100左右；
2.标题可自拟；
3.可适当增加细节，以使行文连贯。
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________