题目

Hybrid cars （混合动力车） are cars that run on petrol and electricity．They have a small standard petrol engine and a battery （电池） electric motor to provide electric power． There are some differences between different models of hybrid cars, but the general principle is that the car runs on petrol, and the electric motor kicks in when additional power is required, for example, when going uphill or accelerating．In some hybrid cars the petrol engine turns itself off when not needed, for example when the car has stopped at traffic light, keeping only the electric engin12．中共“一大”被选为中央局书记的是（　　）A．陈独秀B．毛.泽东C．李大钊D．胡适