【摘要】课堂教学效率是指在课堂有限的时间内学生掌握知识的程度、能力的培养和知识的增幅三者之和所达到的效果,影响和制约课堂教学效率的主要因素是教师、学生和教学方法.【关键词】初中英语；课堂导入；课堂提问；优化练习题How to raise the junior middle school English classroom instruction efficiency Yin Yan 【Abstract】The classroom instruction efficiency is refers to the classroom limited time the student grasps the effect which the knowledge the degree,ability raise and the knowledge increased range three sums achieve,affects and restricts the classroom instruction efficiency the primary factor is the teacher,the student and the teaching method.【Key words】Junior middle school English; The classroom inducts; Classroom inquiry; Optimized exercises课堂是学生获得知识的主渠道,课堂上学生的学习积极性、主动性以及注意力集中的持久性都直接影响着学生的学习效率.（剩余1060字）