According to the article, which of the sentence can best describe the definition of the telecommunication? Commercial televisio

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问题 According to the article, which of the sentence can best describe the definition of the telecommunication?
Commercial television programming is a kind of ______ communication.

选项 A、point-to-point
B、point-to-multipoint
C、multipoint-to-point
D、multipoint-to-multipoint

答案B

解析 根据文章最后一句话“Point-to-multipoint telecommunications,often called broadcasts,provide the basis for commercial.radio and television programming. (点对多点通信通常称之为广播,为商业无线广播和电视节目提供基础。)”可以推出正确答案为B。
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