课堂上教室里必须做得和不准做的（英语表达）

不要随地乱扔纸屑Do not throw garbages anywhere
不要大声喧哗No Loud Talking
不要随地吐痰Do not split anywhere
不准抽烟No smoke
不要践踏草坪Keep off the grass.
尊敬师长 respect military division level commander
举止文明civilized the behaviour

Students cannot eat any food during class session.
Students cannot answer questions unless they raise their hands up first.
Students cannot talk to each other unless there is a group discussion.
Students cannot listen to music in class.
Students cannot play with theirs cellphones in class.
Students cannot drink alcohol during class session.
Students cannot disrespect their teachers in class.
Students cannot kiss each other in class.
Students cannot use personal laptop in class.
Students cannot fight in class.

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