书面表达
根据提示，写一篇60-80词的短文。
你原来身体状况不好，经常感冒，经过一段时间的锻炼，你感到身体好了，学习效率也明显提高了。此时校报英语角正在征集“Sports and Health”的文章，你想就此机会写一写你参加体育活动后的感受。
提示词语：the Physical Trainning Centre体育健身中心  join in, energetic精力充沛
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