Unit 6 When was it invented?(第 2 课时)一、教材分析:本课选自初中英语新人教版九年级(2014)新改版。谈论的话题是有关“发...
Unit 6 When was it invented?(第 1 课时)一、教材分析:本课选自初中英语新人教版九年级(2014)新改版。谈论的话题是有关“发...