精选优质文档-倾情为你奉上二次备课河南省淮阳县实验高中教案主备教师： 雷欣 二次备课教师： 编号： 19 课 题：Unit4 Astronomy: the science of the stars Period 1 Wanrming Up and Reading 教学目标：1. Develop students reading ability and let them learn different reading skills. 2. Enable students to know about the development of the earth.教学难点：1. Enable students to understand the passage and know about the development of the earth. 2. Let students learn how to use different re
