活动目的１ 通过活动 ,使学生了解蔬菜的一些知识 ,培养学生的观察能力和口头表达能力。２ 培养学生勇于探索的精神和创新精神。活动准备１ 每个学生准备一种蔬菜 ,并通过问家长 ,访问菜农 ,查阅资料等方式了解所带蔬菜的有关知识。２ 投影仪、自制投影片、录音机、磁带、头饰 Purpose 1 To help students understand some of the vegetables and develop students' observing and oral skills through activities. 2 to develop the courage to explore the spirit and innovative spirit. Activity Preparation 1 Prepare a vegetable for each student and learn about vegetables brought about by asking parents, visiting farmers, accessing information and more. 2 projectors, home-made slideshows, tape recorders, tapes, headwear