4、健康

　　1. It is very important to keep healthy.

　　2. How can we keep healthy?

　　3. We can't go to sleep too late. We can't get up too late.

　　4. We should eat the food healthily.

　　5. We should do more exercise.

　　6. Last Tuesday I got a cold and had a pain in my head.

　　7. I didn't feel like eating anything.

　　8. I decided to see the doctor.

　　9. In the doctor's office, the doctor looks over me carefully.

　　10. He said: "Nothing serious." And he told me to take a rest and drink more water.

　　11. A nurse gave me an injection. It was a little painful.

　　12. The doctor asked me to take the medicine three times a day.

　　13. A few days later, I felt better. From then on I believe that keeping healthy is the most important thing in the world.