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【单选题】
多样性是指信息空间的多维化。多媒体不仅是多种形式媒体的集合,其多样性特征体现了()的多样化。
A.
产生信息
B.
信息
C.
接收信息
D.
人类接收和产生信息
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A.
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B.
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C.
他们往往是话题事件的当事人，或目击者、见证者。
D.
请他们往往不太容易。他们顾及公众形象通常会慎选节目。需要事先经过层层沟通，编导和策划对此要有思想准备。不过专业训练让他们拥有不错的镜头前表现力。
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A.
the U.S. topples less governments now than they did in the past
B.
less Americans believe their country should be the leading superpower
C.
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D.
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A.
vertical marketing system
B.
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C.
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D.
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A.
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B.
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C.
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D.
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A.
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B.
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D.
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A.
vertical marketing system
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D.
really considerate
查看完整题目与答案