九年级上册 第4页
《I'm excited about the things that will be discovered in the future》SectionD PPT-第一PPT
《The population in developing countries is growing faster》SectionD PPT-第一PPT
《The world has changed for the better》SectionB PPT-第一PPT
《Some things usually have different meanings in different cultures》SectionD PPT-第一PPT
《What can we do at home to protect the environment?》SectionD MP3音频课件-第一PPT
《What can we do at home to protect the environment?》SectionD PPT-第一PPT
《When was it invented?》SectionB MP3音频课件-第一PPT
《China is the third nation that sent a person into space》SectionB MP3音频课件-第一PPT
《English is widely spoken throughout the world》SectionB PPT-第一PPT