填空题

The potential of closed circuit television and other new (36)________teaching tools is so great that it is (37)________to visualize "the school of tomorrow." Televised lessons will (38)_________from a central building having perhaps four or five master (39)________. The lessons will be carried into classrooms all over a city, or even an (40)________country. After a televised lesson has been given, the classroom teacher will take over for the all important "follow up" period. The students will ask any (41)________questions, and difficult points will be cleared up through discussion. The teacher in the classroom will have (42)________teaching tools. On the teacher’’s desk, the traditional bright red apple will have been (43)__________by a multiple control panel and magnetic tape players. (44)__________________________. The lessons will be specifically changed to the students’’ levels of ability. For instance, while the class as a whole studies history, (45)___________________________. In the "school of tomorrow," (46)___________________________. In this way, the teacher will be able to conduct three classes at the same time.