题目内容：

Here are some important rules for you to become a good student at school.

◆Go to school on time.

1. If you are late, you will not start your lesson at the same time with your classmates so that you will miss some lessons，which can influence your grades. If you are late，the teacher will be angry with you，too. So remember to go to school on time.

◆Follow the school rules.

2. For example，you are not allowed to chew gum(嚼口香糖)or sleep in class. Don’t fight with your classmates，and you should be friendly to your classmates and your teachers and be ready to help others who are in trouble. 3. It is dangerous to run there.

◆Preview lessons before class.

If you want to know what you will learn next day，you’d better preview lessons. It is good for your study and it can help you get good grades. 4.

◆5.

Try to be in all kinds of activities at school. For example，sports can not only improve the relationship between you and your classmates but also make you healthier.

 

A. Do not break the school rules.

B. You mustn’t run in the hallway.

C. Don’t eat unhealthy food at school.

D. Take part in all kinds of activities at school.

E. As a student, going to school on time is very important.

F. Besides, you should listen to the teachers as carefully as possible.