The three things to do in the preview process are reading more, writing more and practicing more. Read the book three times, generally rough reading, intensive reading and intensive reading. Rough reading is full reading, in order to find the key points. According to the key parts, we will read carefully and find the context of knowledge. In this process, we will certainly encounter difficulties and problems, which requires us to read intensively to find the answers.

Each preview time is one class. Of course, this time can be finally determined according to the topic. Generally speaking, when there is plenty of time, you can extend it a little; Time is tight, which can shorten the preview time. This habit will not be passive.

Preview skills

1, read through the knowledge points, read out the key points, think about difficulties and doubts, and of course notes are essential.

2, do not cherish the reference books at hand, they are intact, which is a disregard for their value.

3. Finding problems that we can't understand and solve is the main content of our class.

4, don't look at the textbook, repeat the content of the textbook, how to use it, the comparison between old and new knowledge, what you don't understand, and so on.