预习是上课前的初步自学,其目的是在课堂正式学习前做好知识准备工作。预习是一种完全的自我学习行为,但又不同于一般的自学。预习是整个学习过程中的预备性阶段,就像运动员正式比赛前的准备活动一样。它不要求预习者在预习阶段就能理解和弄懂全部所学内容,只要求解决部分 Pre-learning is a preliminary self-study before class. Its purpose is to prepare for knowledge before formal learning in the classroom. Prep is a complete self-learning behavior, but it is different from the general self-learning. Pre-learning is a preparatory stage in the entire learning process, just as an athlete prepares before the official competition. It does not require pre-trainers to understand and understand all of what they have learned during the preview phase, only asking for a solution.