Attention please everyone,i have something important to tell you.
Tomorrow ,we will have our first Nature Science lesson.we should obey some rules.
First of all,remember to get to the lab on time.Don't be late.we should leave a good impression on our Nature Science teacher.
Secondly,run after with each other is not allowed in the lab.
Thirdly,we mustn't touch the things which is put on the desk without teacher's permission.
What's more ,put the things back to the place where it was be and wash your hands carefully.
Last but not least,it is important to make sure that the windows are closed and lights are not on.As we know,we should protect our environment from little things.
That's all i want to say.Any questions.
打得好辛苦,希望采纳.本人初三,这篇应该有13分了