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在引导幼儿开展相关的科学活动前,教师要亲自探究和体验操作一番,以准确把握活动的难点和关键点,预计幼儿可能出现的问题和困难,从而为他们的探
Before guiding children to carry out relevant scientific activities, teachers should personally explore and experience the operation in order to accurately grasp the difficulties and key points of the activities and predict the problems and difficulties that young children may have, so as to explore for them