短文改错。

      Last night when Steven and I was having a walk in the street, we suddenly heard a painful cry for

help under a tree nearby. We quickly ran to the tree and found a boy laying on the ground with a stick

in his leg. He had fallen of the tree. Steven suggested we pulled the stick out at once, but I disagreed,

Because I had learned little about first aid at school. The stick in the leg would help controlling the

bleeding. As there was no telephone,we managed to find a taxi. We took the boy to the hospital. The

doctors examined the boy fast and we got to know where the boy lived. So we telephoned his parents

and left after he came to the hospital. We did a good deed.

结合给定材料所反映的问题，自选角度，自拟题目，写一篇议论文。要求：1．就你论述的问题，参考背景材料，应进行恰当的阐述；2．观点明确，分析具体，条理清楚，语言流畅；3．字数在 1000-1200字。