Working Hard and Keeping Fit Chen Hua is a junior student.He used to stay up late at night to study.He seldom took part in sports or other activities.When his classmates were playing on the playground during break time, he was often studying at his desk. He believed his studies were more important than anything else.At last he fell seriously ill.He had to stay in bed for a long time. Now Wang Hua knows the importance of good health. He exercises every day and often takes an active part in all kinds of outdoor activities.He's now in good health. A good student should work hard at his lessons and know how to keep fit.