习题课可以帮助教师发现学生在学习过程中的不足,查漏补缺,也能让学生了解自己在学习过程中的疏漏,及时地补充改正,并掌握一定的答题技巧。同时在以后教师的教学和学生的学习中也能够针对性地去突破这些被遗漏或没学会的知识点,把学生从题海战术中解放出来,减轻学生的作业压力,进而提高学生的学习效率。一、总结化学学科特点,编制实用的习题化学是高中的一门重要学科,知识点较为细小、繁琐,在学习过程中需要不断地复习。而且化学中容易出错的细 Exercises can help teachers find that students lack of learning process, find out the gaps, but also allow students to understand their own omission in the learning process, promptly added to correct, and have some answer skills. At the same time, in the future teachers teaching and student learning can also be targeted to break through these missing or did not learn the knowledge of the students from the sea tactics to relieve pressure on students, thereby enhancing student learning efficiency . First, summarize the characteristics of the chemical discipline, the preparation of practical exercises Chemistry is an important subject in high school, knowledge points more small and cumbersome, in the learning process requires constant review. And chemical error-prone thin