题目内容：

    How to keep healthy? It’s easy for us to catch a cold in winter and spring because the weather changes a lot in spring and it is too cold in winter. But if we take care in our life, all of us can keep healthy without any cold.

1. This will stop gems (细功) passing from one person to another. When you finish your work or before you eat, you’d better wash your hands.

2. Use a tissue (面巾纸), and then throw it into dustbins (垃圾箱) at once. When others around you are coughing, I advise you to turn your head away from the people so that their vises won’t reach you.

Get more fresh air. Germs like staying around in dry and warm rooms. 3. Don’t stay too long in the places with too many people.

If flu (流行感冒) is going round house or school, you should try to stay away from those who are ill. 4.

Boil your toothbrush for about a minute. This kills gems. 5. If you have used the toothbrush for three months or so, throw it away and buy a new one.

A. Wash your hands often.

B. You should have a shower every day.

C. Don’t use your hands when coughing.

D. When you are coughing, don't go to school.

E. Besides, don’t use the same toothbrush too long.

F. So you’d better stay in the places with more fresh air.

G. In this way, you won’t be infected (感染) by these people.