英语：Unit3《Science versus nature》Grammar and usage（2）（译林牛津版必修5）
教 材：牛津高中英语(模块五)高二上学期
文档内容：教学设计—教案
单 元：Unit 3 Science and nature
板 块：Grammar
作 者：贺惠芬
Thoughts on the design:
Teaching aims:
After learning, students will be able to
tell the difference between the verb-ing form and the verb-ed form when they are used to
