公开课和常态课好像酒店饭与家常菜,酒店饭要色、香、味俱全。为了上好公开课,教师们课前做了大量工作,反复阅读教材、上网查资料、观摩名师课堂、反复研磨,真是挖空了心思。有的教师因上一节成功的公开课而一战成名,也有的教师因不成功而谈“课”色变。怎样才能备好一节公开课呢?笔者认为要备好知识线、情感线、组织线、语言线。下面以北师大版四年级上册教材《确定位置》为例子谈谈 Open class and normal class like hotel rice and home cooking, hotel meal to color, smell, taste. In order to open the class, the teachers did a great deal of work before the class, reading the materials repeatedly, searching for information on the Internet, observing the teacher’s class and repeatedly grinding them. Some teachers fought for the first world war because of the successful open class of the previous section, and some teachers talked about being unsuccessful. How can we prepare a public lesson? I think to prepare knowledge line, emotional line, organizational line, language line. The following version of the fourth edition of Beijing Normal University textbook “to determine the location” as an example to talk about