在课堂教学中，精心设计适宜的教学情境，对于提高教学效果具有明显的作用，其主要表现为：激发学生的学习兴趣，消除“疲塌”情绪；便于理解消化课文难点；拨动学生心弦，加深认识，在情境中感知、认识、理解、训练，利于导行。正因为有这些作用，教师必须采取恰当的方法和手? In classroom teaching, careful design of appropriate teaching situations has obvious effect on improving teaching effectiveness. The main features are as follows: to stimulate students 'interest in learning and eliminate the feeling of “slump”; to understand the difficulty of digesting texts; to push students' Awareness, awareness, understanding, training, and guidance in context. It is precisely because of these roles that teachers must adopt proper methods and practices.