九年级上册共56篇
《Some things usually have different meanings in different cultures》SectionD PPT课件-第一PPT
《What can we do at home to protect the environment?》SectionB MP3音频课件-第一PPT
《Our country has developed rapidly》SectionA PPT-第一PPT
《Pollution has caused too many problems》SectionD PPT-第一PPT
《English is widely spoken throughout the world》SectionD PPT-第一PPT
《When was it invented?》SectionB MP3音频课件-第一PPT
《The world has changed for the better》SectionC MP3音频课件-第一PPT
《When was it invented?》SectionD MP3音频课件-第一PPT
《Our country has developed rapidly》PPT课件(第2课时)-第一PPT