九年级上册 第3页
《When was it invented?》SectionD MP3音频课件-第一PPT
《I'm excited about the things that will be discovered in the future》SectionD PPT-第一PPT
《I'm excited about the things that will be discovered in the future》SectionB MP3音频课件-第一PPT
《Could you give us some advice on how to learn English well?》SectionD MP3音频课件-第一PPT
《English is widely spoken throughout the world》SectionB PPT-第一PPT
《The world has changed for the better》SectionB MP3音频课件-第一PPT
《I'm excited about the things that will be discovered in the future》SectionD MP3音频课件-第一PPT
《Some things usually have different meanings in different cultures》SectionD MP3音频课件-第一PPT
《All these problems are very serious》SectionB PPT-第一PPT