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

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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