Early in the morning, at noon, or in the evening in big cities and in the countryside, all over China, you can see Chinese people, men and women, young and old 1 . People run 2 —along the beaches, 3 the parks, down quiet streets or on the country road（乡间小路）. Some people 4 run in their living rooms.
Running wasn't so 5 in the past. In the 1960s, runners were mostly athletes（运动员）and healthy strong people. When people saw a runner, they used to 6 , "Hey, what's the hurry for?" or they might 7 to themselves, "Is he crazy?" At that time, women almost 8 ran. If they did, people might laugh at them. But today all these is 9 . Men and women of all 10 enjoy running.
Doctors say many of the health problems 11 these bad habits: eating too much, smoking, and taking 12 exercise. Doctors tell us, "Eat 13 , don't smoke, and exercise more. " Running is a good exercise 14 it helps build strong hearts and lungs（肺）. It also helps most people 15 weight（体重）.
