“安全不可松,时时放心中。”下面两个小故事是值得吸取教训的。书本变凶器午休时,一阵喧哗打破了校园的宁静。小林想约好友小刚一起去打篮球,便拿起书本悄悄地绕到小刚的背后,用书脊敲了一下小刚的脖子。没想到,小刚居然“扑通”一声瘫倒在地。小林还以为小刚是故意吓自己呢,于是就挠他的痒痒,可无论怎么挠,小刚都没反应。小林慌了, “Safety is not loose, always worry. ” The following two stories are worth learning from. The book smelt lunch break, a burst of noise broke the quiet campus. Kobayashi want to friends Xiao Gang go play basketball together, they pick up the book quietly around the back of Xiaogang, Xiao Gang knocked around the neck with the spine. Unexpectedly, Xiaogang actually “thump ” collapsed to the ground. Kobayashi also thought that Xiao Gang deliberately scare yourself, so he scratched his itch, no matter how flexible, Xiaogang did not respond. Kobayashi panic,