长期以来,作为教育工作者的我们,兢兢业业地备课,认认真真地上课,但往往是一堂课下来,口干舌燥,嗓子“冒烟”;再看学生,眼中闪耀的那一个个的问号,在重重地敲击着我们的心灵,难道这就是我们追求的课堂高效率?这就是我们新形势下的教育方式?面对这样的结果我经常无语。“学案”是一种集教师的教案、学生的学案及分层次的评价练习为一体的师生共用并进行探究活动的载体。在“学案”的使用过程中,需借助小组合作学习的模式来最终完成 For a long time, as educators, we conscientiously prepare lessons and seriously class, but often a lesson down, thirsty, throat “Smoke ”; look at the students, the eyes shining one by one Question mark, in the heavy knock on our hearts, is this the pursuit of our classroom high efficiency? This is our education in the new situation? Faced with such results I often speechless. “Case ” is a carrier of teacher-student lesson plans, students’ case studies and evaluation exercises at different levels as a common teacher and student and exploration activities. In the “case study ” the use of the process, the need to use the group cooperative learning model to finalize