一、背景(一)一袋红薯干带来的信息活动每周五是我班分享玩具和食物的时间,这不,今天鲁传钰小朋友带来了一袋红薯干,塑料袋上印有“又香又脆的红薯干”字样:“我请小朋友尝尝红薯干,这是我从苏果超市买的,昨天和爸爸、妈妈一起买了两袋,一袋在家里分享,可好吃了,这一袋我带到班上请大家尝尝!”孩子们都坐得端端正正的,瞪着大大的眼睛看着红薯干,希望先尝为快……不一会儿,每个小朋友都拿到了一根红薯干,有的在大口 First, the background (A) a bag of sweet potato dry bring information activities Every Friday is my class to share toys and food time, this is not, today Lu Yu Yu children brought a bag of dried sweet potatoes, plastic bags printed with “Sweet and crisp sweet potato dry” words: “I ask the children to taste the sweet potato dry, this is what I bought from the Suguo supermarket yesterday, and my father, mother bought two bags, a bag to share at home, Delicious, I brought this bag to the class please try! ”" The children are sitting upright, staring at the sweet potato dry eyes big eyes, hoping to try soon ... ... soon, every A child got a sweet potato dry, and some big mouth