摘要
Ⅰ.阅读理解.Meredith J.Eberhart completed the 2,190-plus miles,Appalachian Trail on Sunday,becoming the oldest person to hold the honor.Eberhart has probably hiked over 50,000 miles in his life,though he doesn't keep track of the length.The 83-year-old man started walking when he retired more than 25 years ago,and never stopped.