我已70岁,属于古稀之列,20年来,每日坚持骑自行车约5～10公里。前10年住宅离上班单位约2.5公里,每日往返两趟,风雨无阻。离休近10年来每早仍坚持骑自行车去公园不辍,往返也不少于5公里,何况每日到外单位办事或上街购物也都是骑自行车。目前我的身体比较健康,上月登黄山能当日徒步上下 I am 70 years old, belong to the ancient thin list, 20 years, adhere to a daily bike about 5 to 10 km. The first 10 years from the working unit residential units about 2.5 kilometers, twice a day from time to time, unhindered. After nearly 10 years of retiring, he insisted on cycling to the park every morning and no less than 5 kilometers round-trip, not to mention daily work outside the unit or shopping on the streets are also cycling. At present, my body is relatively healthy, Huangshan last month, on foot up and down the day