Unit 6 When was it invented？ Section B（3a-Self Check）教案（表格式）

人教版九年级全册 Unit 6 When was it invented？Section B 2a-2e 教案

人教版九年级全册英语Unit 6 When was it invented？SectionB 2a-2e教案（表格式）

人教版九年级全册Unit 6 When was it invented？Section A 1a-2d教案（表格式）

Unit 6 When was it invented？ Section B 2a-2e（表格式教案）

人教版英语九年级全册Unit 6 When was it invented？ Section A Grammar Focus-4c 教案（表格式）

Unit 6 When was it invented？ Section B（1a-1e）教案（表格式）