超级简单英语阅读:The Runner

（单词翻译）

Betty’s doctor told her to exercise more. So she began running. She enjoys running. She runs almost every day. She runs two miles a day. On the weekend she runs five miles. She runs up hills. She runs down hills. She runs in the street and on the sidewalk. She runs on trails¹. She runs in the heat and the cold. She runs on sunny days and rainy days. Betty will run in the marathon² next week. Next week will be her first marathon. A marathon is 26 miles. She will run for three hours without stopping. She won’t try to win the marathon. She will try to finish it.