九年级上册共56篇
《English is widely spoken throughout the world》SectionD PPT-第一PPT
《When was it invented?》SectionD PPT-第一PPT
《Could you give us some advice on how to learn English well?》SectionB PPT-第一PPT
《Pollution has caused too many problems》SectionD MP3音频课件-第一PPT
《The world has changed for the better》SectionB MP3音频课件-第一PPT
《When was it invented?》SectionB PPT-第一PPT
《Some things usually have different meanings in different cultures》SectionD PPT课件-第一PPT
《Some things usually have different meanings in different cultures》SectionD PPT-第一PPT
《All these problems are very serious》SectionD PPT-第一PPT