Make up a missed lesson is many students choose to ascend grades of important ways is also the commonly used method can make up a missed lesson learned knowledge to review deepen prevent forgotten. If excellent students make up a missed lesson can assure result not to drop more and more outstanding; For bad grades for students it can ascend results is that many parents and students' performance enhancing primary choice.

At the same time make up a missed lesson also exists some bad influence. Students for ascension results spend most of my time spent on make-up often do not and extracurricular knowledge contact cause for the final in-class knowledge skilled for extracurricular practice unfamiliar and make up a missed lesson will also give students at school at ordinary times the pressure for example after-school also spent in study energy to students only the correct understanding of the advantages and disadvantages of make-up make enough psychological preparation and is willing to make up missed lesson so that make up a missed lesson can play its real effect.

补课是很多学生选择提升学习成绩的重要途径，也是常用方法，补课可以对学过的知识进行复习、加深，防止遗忘。如果优秀的学生补课，可以保证成绩不下滑，越来越优秀；对于成绩不好的学生来说，则可以提升成绩，是许多家长和学生提高成绩的首要选择。

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同时补课也存在一些不好的影响。学生为提升成绩把大多数时间花在补课上，不经常与课外的知识接触，造成最后对于课内的知识熟练，对课外实践生疏，而且补课也会给学生带来压力，平时在学校够辛苦了，课后还要在学习上花精力，对于学生来说，只有正确认识补课的利与弊，做足心理准备，心甘情愿补课，这样补课才能发挥它真正的效果。