二、译成汉语主动句 1.译成有主语的主动句 A right kind offuel is needed for an atomic reactor To explore the moon's surface. Rockets were launched again and again 2.译成无主语的主动句 When work is done against friction, heat is produced. By using this new process the loss of metal was reduced to 20 per cent. Care should be taken at all times to protect the instrument from dust and damp二、译成汉语主动句 1. 译成有主语的主动句 A right kind of fuel is needed for an atomic reactor. To explore the moon’s surface. Rockets were launched again and again. 2. 译成无主语的主动句 When work is done against friction, heat is produced. By using this new process the loss of metal was reduced to 20 per cent. Care should be taken at all times to protect the instrument from dust and damp