及时的练习与反馈是实施有效教学必不可少的重要环节,是有效教学的重要保证。练习是教学的延伸和发展,是学生形成技能技巧,发展智力,培养能力,温故知新的主要途径。反馈不仅要符合科学性,更要及时。通过练习的及时反馈,学生可以及时发现存在的问题,明了自身学习的进展情况。 Timely exercise and feedback is an essential part of effective teaching, an important guarantee for effective teaching. Exercises are the extension and development of teaching. It is the main way for students to form skills and skills, develop their intelligence, cultivate their abilities, and learn from the old. Feedback should not only be scientific but more timely. Through the practice of timely feedback, students can find out the problems in time, understand the progress of their own learning.