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[教学目标] 1.通过指导学生认真细致地参与探究螺丝刀、螺丝钉和螺丝母的科学秘密的活动,激发学生科学探究的意识和兴趣。
[Teaching Objectives] 1. To stimulate students' awareness and interest in scientific inquiry by guiding students to participate in the scientific secrets of screwdrivers, screws and screw nuts carefully and carefully.