《果实的共同特征》的教学重点是指导学生认识果实在结构方面的共同特征 ,课前调查中发现学生基于以前的生活经验认为 :苹果、梨、葡萄等是水果 ,能生吃就是果实 ,外边那层薄薄的皮就是 (水 )果皮 (公共场所常有“请勿乱扔果皮”的字样 ) ;青椒、茄子、黄瓜等是蔬菜 ,做熟了可 The common focus of the teaching of fruit is to guide students to recognize the structural commonalities of the fruits. Before the course of the survey, students found that based on their previous life experience, apples, pears, grapes, etc. are fruits, raw fruits, That thin skin is (water) peel (public places often “do not throw the peel” message); green pepper, eggplant, cucumber and other vegetables, cooked