《小学语文课程标准》指出:“积极倡导自主、合作、探究式的学习方式。学生是学习和发展的主体,要改变过去的传授式学习方式,关注学生的个体差异和不同的学习需求,培养他们的创新精神和实践能力。”工人建房要备料,农民耕种要备耕,教师讲课要备课,学生上课更要备学,这也就是预习。预习就是学生自己摸索,自己动脑,自己理解的学习过程。预习是提高学生自学能力的必要途径,也是提高语文学习效率的一个重要措施。它 “Primary Chinese Curriculum Standard” states: “Actively promote autonomous, cooperative and inquiry-based learning methods.Students are the mainstay of learning and development, to change the past of the teaching mode of learning, focusing on individual differences and different learning needs of students, Cultivate their innovative spirit and practical ability. ”" Workers need to prepare housing, farmer farming to be cultivated, teachers lecturing to prepare classes, students have more classes to prepare for school, this is the preview. Preview is the students themselves to explore, their own brains, their own understanding of the learning process. Previewing is a necessary way to improve students’ self-learning ability and is also an important measure to improve the efficiency of Chinese learning. it