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简述视听研究在节目规划与改进上的应用。

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下列关于普通股评价模型的局限性的说法，错误的是（）。

A. 未来现金流入的现值只是决定股票价值的基本因素而不是全部因素
B. 模型对未来期间股利流入量预测数的依赖性很强，不过这些数据可以比较准确地预测
C. 股利固定模型、股利固定增长模型的计算结果受D0或D1，的影响很大，而这两个数据可能具有人为性、短期性和偶然性，模型放大了这些不可靠因素的影响力
D. 折现率的选择有较大的主观随意性

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阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选出能填入相应空白处的最佳选项。 It was cloudy. A small boy and his father (41) a walk in the country. It suddenly began to rain hard. They didn’t have their umbrellas (42) them and there was nowhere to hide from (43) rain, (44) they were soon (45) . As they walking (46) through the rain, the boy (47) his father and asked him, "Why does it rain, Father It isn’t very nice, isn’t it " (48) very nice, but it’s useful, Tom," (49) his father. "It rains to make the fruit and the vegetable grow for us," Tom thought about this for a moment, and then he said, "Then, why does it rain on the road (50) , Father"

A. Yes, it is
B. No, it is
C. No, it isn’t

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简述资本主义报业集团的特征。

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简述报社开展多种经营的原因。

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