常用词汇：

school rules and regulations 学校规章制度
obey 遵守
observe 遵守
keep/observe discipline 遵守纪律
behave well 表现良好
be neatly dressed穿戴整洁
respect one’s teachers and parents 尊敬师长　
be on time 准时
keep the environment clean 保持环境干净
civilized 文明的　
break the rules 违反规章制度
discipline 纪律
spit 吐痰
throw rubbish everywhere 乱扔垃圾　
cheat in the exam 考试作弊
get in line 插队
fight with sb.与……打架
punish sb.for 因……处罚某人
The students are told not to break any of the rules of the school.学校要求学生不要违反任何规章制度。
The students are expected to…学校期望学生……　
It must be made clear that the students should …必须明确的一点是,学生应该……　
…is of no good to a friendly
and harmonious society.……对创建友好和谐的社会是毫无益处的。　
It is honorable to obey the principles and rules of our school.遵守学校的规章制度是光荣的。　
It is worthy of praise to… ……是值得表扬的　
It is shameful to… ……是可耻的　
What we should do is that… 我们应该做的事情是……

范文：

Hello, everyone! I’m glad to give you some knowledge about first aid when a fire breaks out.

First it’s important to keep calm and escape safely from the exit as soon as possible. At the same time do call 119 and tell them the exact address on the phone. If you are trapped, be sure to close the door so that you can resist the intrusion of heat and smoke. Never forget to stand in front of an open window and shout for help with a wet towel covering your mouth and nose. Besides, if unfortunately you are burnt, cool the area of skin with running water and put a piece of dry clean cloth over it or go to hospital immediately.