书面表达
以”How to prevent accidents(如何阻止事故)”为题写一篇小短文.
提示：  Walk on the sidewalk
Cross the street at the crosswalk
Pay attention to the traffic lights
Don’t read while walking
Don’t play with others while walking
Check your bike often
Follow the traffic signs and rules
Always wear a helmet(防护帽)
写作要求：1.字数80词左右    2.作文中用到所给出的句子