答案：一首儿歌

The afternoon of last Sunday, I and friends at in the mountain park take a walk, hearing suddenly on falling into water the girl to cry for help.I div...e into with one of my friend in the lake extrication child, fell into water the girl at that time already stop breathe.I used the first aid knowledge for learning to do the artificial respiration for her, my friend makes a phone call for the first aid center, result the girl saved, the doctor 夸 I am well done. 也许吧