国家开放大学英语理工4Unit 1Fashionable MultimediaListening and Speaking 1Reading 1Reading 2Unit 2Making a Future with RobotsListening and Speaking 1Listening and Speaking 2Reading 1Reading 2Unit 3Biomedicine in Real LifeListening and Speaking 1Listening and Speaking 2Reading 1Reading 2Unit 4Chic 3DListening and Speaking 1Listening and Speaking 2Reading 1Reading 2Unit 5Science NearbyListening and Speaking 1Listening and Speaking 2 无Reading 1Reading 2Unit 6Cool InnovationsListening and Speaking 1Listening and Speaking 2 无Reading 1Reading 2Unit 7A Bite of TechnologyListening and Speaking 1Listening and Speaking 2Reading 1Reading 2Unit 8AerospaceListening and Speaking 1Listening and Speaking 2Reading 1Reading 2