恰当地引入新知(即新的知识),展示知识的价值取向,有助于学生明确学习目的,激发学习兴趣。通过引入、创设情景,刺激学生的求知需要,调动学生积极的情感因素,引发学生的学习兴趣。 Proper introduction of new knowledge (ie, new knowledge) to demonstrate the value orientation of knowledge helps students clarify their learning goals and stimulate their interest in learning. Through the introduction and creation of scenarios to stimulate the students’ knowledge-seeking needs, arousing students’ positive affective factors and arousing students’ interest in learning.