当前,中小学教学存在的一个突出问题是教师教的苦,学生学的累,学生没有得到应有的发展,产生这一问题的原因很多,主要体现在以下几个方面。一是观念滞后,教法陈旧;二 At present, one of the outstanding problems in the teaching of primary and secondary schools is the hardship of teachers, the tiredness of students’ learning, and the lack of students’ due development. There are many reasons for this problem, which are mainly reflected in the following aspects. One is that the concept is lagging and the teaching method is old;