一、充分发挥学生的主体地位,激发学生的创新欲望改变过去”满堂灌”、“填鸭式”的教学方式,力争营造轻松、自主、活泼的学习氛围。在课堂中,根据教学和学习内容的难度、深度并结合学生实际,充分发挥学生的主体地位,把学习的自主权下放给学生,学生自己设计一系列的实验去完成 First, give full play to the students’ main position and inspire students’ creative desire to change the teaching methods of “full house filling” and “fed duck” in the past, and strive to create a relaxed, independent and lively learning atmosphere. In the classroom, according to the difficulty and depth of teaching and learning content, combined with the actual situation of the students, the students’ main position is fully displayed, and the autonomy of learning is delegated to the students. The students themselves design a series of experiments to complete.