在当今的学科课堂学习中,教师不再是课堂上的主裁和权威,而是学生科学探究的合作者、引导者和参与者。学生才是课堂学习的主体,才是知识的主人。著名美籍华人杨振宁教授曾指出:“中国学生普遍学习成绩出色,特别在运算和推理方面比国外学生有明显优势,但中国学生最大的缺撼,就是不善于提出问题,缺乏创新 In today's subject-based classroom learning, teachers are no longer referee and authority in the classroom, but a collaborator, leader, and participant in student science inquiry. Students are the main body of classroom learning, is the masters of knowledge. Prof. Yang Zhenning, a famous Chinese American, once pointed out: ”Chinese students generally perform well in academic performance, especially in computation and reasoning. They have obvious advantages over foreign students. However, the biggest challenge for Chinese students is that they are not good at asking questions and lacking in innovation