1问题的提出新课程改革以培养学生科学素养为宗旨,积极倡导让学生亲身经历以探究为主的学习活动,培养他们的好奇心和探究欲,发展他们对科学本质的理解,使他们学会探究、解决问题的策略,为他们终生的学习和生活打好基础.而探究教学的一个重要环节就是开展课前预习,这可以培养学? 1 Proposed Problems The new curriculum reform aims to cultivate students’ scientific literacy. Students should be actively encouraged to experience inquiry-based learning activities firsthand, to develop their curiosity and inquisitiveness, to develop their understanding of the nature of science so that they can learn to explore , Problem-solving strategies for their life-long study and life lay the foundation.And an important part of inquiry teaching is to carry out pre-class preview, which can cultivate learning?