2020电大国开理工英语3边学边练

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Reading1Unit2ArchitectureDesignandInnovationsListeningandspeaking1Listeningandspeaking2

Reading1Unit3EnvironmentalProtectionListeningandspeaking1Reading1Unit4developmentofelectronicproductsListeningandspeaking1Listeningandspeaking2

Reading1Unit5E-commerceListeningandspeaking1Listeningandspeaking2

Reading1Unit6EntertainmentListeningandspeaking1Listeningandspeaking2

Reading1

Reading2Unit7driverlesscarsListeningandspeaki