unknown knowledge or action
In the problem situation, students face new, unknown knowledge or action, they had in mind the ''problem'' and to stimulate thinking process, therefore, the teaching process, teachers should carefully set up the problem scenario to guide students to discover and questions.
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unknown knowledge or action
未知的知识或行为
以上为机器翻译结果，长、整句建议使用 人工翻译 。