阔别多年的熟人偶一相逢，莫不惊讶地说：“想不到你的身体还这样好！”的确，我的伙伴中，有的谢世了，有的疾病缠身，步履艰难，像我一样使健旺旺的确实不多。回顾三十几岁时，我的健康状况只在中等偏下。那时，备课阅卷难以持续3小时，稍久一点就感到头晕目眩，白天昏昏欲睡， Even acquaintances after years of absence meet each other, without surprise, said: “I do not think your body is still so good!” Indeed, some of my partners have passed away, some are sick, are struggling, Want is not much. When I reviewed thirties, my health was only below average. At that time, the preparation of the paper was difficult to sustain 3 hours, a little later felt dizzy, drowsy during the day,