以“ If You Want to Be Strong and Healthy”为题写一篇短文，内容须包括以下要点：充分的睡眠、早操、淋浴或冷水擦身；吃饭定时；看书写字要注意光线；多呼吸新鲜的空气；讲究卫生。If You Want to Be Strong and HealthyIf you want to be strong and healthy， you must pay attention to the following. First， you should get enough sleep， and do morning exercises every day. Have meals at regular time and do not hurry when you eat. Remember to sit straight when you read and write. Breathe in as much fresh air as you can. When you come home from school， go out into the open air and play for an hour or so. Keep your body clean. Have a cold shower every morning. Wash your hands before meals.If you do all these above， you will be strong and healthy.