The abstract thinking of high school students requires the use of image object sedation understanding, and simple strokes can be used as a medium. During the lecture, most students have doubts about the use of non-predicates, especially the three forms between predicates. The teacher in the explanation through the abstract explanation makes most of the students a fog, more do not understand how to use, this time can use a short stroke to explain, their differences in the form of painting. This makes the difference sitters more vividly.
正在翻译中..