问题描述：
Dear students,As we know ,safety is the most importantthing in our lives.So,we should try our bes
to make sure we are safe.First,don't bring restricted knives r things to school.Second,don't have a bath in the river by yourself.Third,pay attentionto the traffic when you go to school.Fourth,when you meet energency,tell that to your teachers or policeman.Fifth,don't ride at school.If you do that ,you may hurt someone even yourself.Please take care of your safety.
Yours
Daming
to make sure we are safe.First,don't bring restricted knives r things to school.Second,don't have a bath in the river by yourself.Third,pay attentionto the traffic when you go to school.Fourth,when you meet energency,tell that to your teachers or policeman.Fifth,don't ride at school.If you do that ,you may hurt someone even yourself.Please take care of your safety.
Yours
Daming
问题解答：
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