专四专八考试

解析：Why is it difficult to combine tele

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【单选题】Why is it difficult to combine television with Internet


A．Because the two media have different bandwidth.
B．Because the response times of Internet is long and erratic.
C．Because the two are operated on different principles of services.
D．Because the platforms are quite expensiv


网考网参考答案：C
网考网解析：
细节题。这里提到，将电视与因特网融合起来之所以困难，原因有三：一是没有统一的标准；二是电视是单向的信息流动，而因特网是交互式的信息流动；而第三个原因就是对所提供服务的定义不同。只有C符合其中的一个原因。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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