2. 外语
  3. The【B1】______of closed-circuit television and other new electronic teaching tools is so great that it is【B2】______to visualize "

The【B1】______of closed-circuit television and other new electronic teaching tools is so great that it is【B2】______to visualize "

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问题     The【B1】______of closed-circuit television and other new electronic teaching tools is so great that it is【B2】______to visualize "the school of tomorrow."
    Televised lessons will【B3】______from a central building having perhaps four or five master【B4】______. The lessons will be carried into classrooms all over a city, or even an entire country.
    After a televised lesson has beer] given, the classroom teacher will take over for the all-important "follow-up" period. The students will ask any【B5】______. questions, and difficult points will be【B6】______up through discussion.
    The teacher in the classroom will have【B7】______electronic tools. On the teacher’s desk, the【B8】______bright red apple will have been replaced by a multiple-control panel and magnetic tape players.【B9】______. The lessons will be specifically  changed to the students’ levels of ability. For instance, while the class as a whole studies history,【B10】______【B11】______In this way, the teacher will be able to conduct three classes at the same time
【B7】
选项
答案additional
解析 从下文可知，教师的课桌上将有很多电子教具，而猜估加上抓音，不难得出该词。考生对addition 应很熟，而检查上下文，可知该处为一形容词，故加上后缀“-al”。
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大学英语四级

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