教学分层,促进学生全体参与;练习分层,为发展学生的应用能力提供了很好的途径;评价分层,增强学生学习自信;实施分层教学与评价,促进了教育观念的转变及师生间的沟通,让学生主动学习,其心理个性得到良性发展。 Teaching stratification to promote the participation of all students; stratification of practice provides a good way for the development of students ’ability to apply; evaluation of stratification to enhance students’ self-confidence in learning; implementation of hierarchical teaching and evaluation to promote the change of educational concepts and teachers Students during the communication, so that students take the initiative to learn, their psychological personality has been benign.