洋思中学“先学后教、当堂训练”的教学模式,是以学生自主学习为中心的课堂教学模式,它在培养学生的自学能力,激发学生的学习兴趣,充分发挥学生的主体作用方面有着独特的作用。作者以“盐类的水解”为例详细介绍课堂中师生互动的过程。 Yang Sisuang Middle School is a model of classroom teaching centered on students ’autonomous learning. It cultivates students’ self-learning ability, stimulates students ’interest in learning and gives full play to students’ main body Role has a unique role. The author uses “Salt Hydrolysis” as an example to introduce the process of interaction between teachers and students in class.