人教版九年级全册英语 6When was it invented？SectionA 1a-1d 表格式教案

人教版九年级全册英语Unit 6 When was it invented？SectionA 3a-3c 教案

人教版九年级全册 Unit6 When was it invented？Section A 1a-2d教案

人教版九年级全册Unit 6 When was it invented？SectionA 3a-3c 教案

人教版九年级全册Unit 6 When was it invented？SectionA 3a-3c 教案

Unit 6 When was it invented Section A（1a-1c）表格式教案

人教版九年级全册英语 Unit 6 When was it invented？SectionA 1a-1d 导学案（无答案）