1) Pre-class preparation should be adequate. Combined with English simple strokes for grammar explanation needs to prepare lessons in advance, knowledge points between how to run through all need to be designed in advance, as effective as possible the use of simple strokes. In addition, how and when to use it need to be considered clearly, there may be other visual teaching aids or teaching methods more convenient and effective than simple drawing aids. These need to be prepared in advance before class, try to be the most suitable for this lesson grammar knowledge of the intuitive teaching way to explain as the guidelines.
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