“在课堂教学中,让学生全员参与、全程参与整个教学过程。”这是每一位教师孜孜以求的努力方向。但由于学生的年龄特点、生理特点及认知水平的不同,往往很难做到这一点。这就要求教师在课堂上要注意观察每一位学 “In class teaching, let students participate in the whole process of teaching throughout. ” This is every teacher diligently strive for direction. However, it is often difficult to achieve this due to the different age, physiological and cognitive skills of students. This requires teachers to observe every lesson in the classroom