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【单选题】
广告是一种非常典型的（）行为，广告主和广告策划者是广告的传播者，广告信息是广告传播的主要内容，刊播广告的各种媒介是广告传播的媒介，而接触广告的媒介受众则是广告传播的受众。A.
电视行为
B.
广播行为
C.
误导行为
D.
传播行为
手机使用
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反馈参考答案：
举一反三
【简答题】This area is attractive to visitors because of its combination of history, art and natural scenery.
【多选题】完全混合模型的适用条件包括（）。
A.
河流是稳态的，定常排污
B.
污染物在整个河段内均匀混合
C.
废水的污染物为非持久性污染物
D.
河流无支流和其他排污口废水进入
【多选题】完全混合模型的适用条件包括( ) 。
A.
河流是稳态的,定常排污
B.
污染物在整个河段内均匀混合
C.
废水的污染物为非持久性污染物
D.
河流无支流和其它排污口废水进入
【单选题】I think if is high time we ______ the fact that environmental pollution in this area is getting more serious than before.
A.
woke up to
B.
must wake up to
C.
wake up to
D.
are waking up to
【单选题】I think it is high time we ______ the fact that environmental pollution in this area is getting more serious than before.
A.
woke up to
B.
must wake up to
C.
wake up to
D.
are waking up to
【单选题】According to this passage, research in this area is characterized as ______.
A.
empirically observable
B.
often impossible to observe directly
C.
poorly defined in the research literature to date
D.
easier to theorize about than to carry out directly
【简答题】Local economy of this area is prosperous because of the low-cost business environment and diverse economic bases.
【简答题】This area is attractive because of its tourism and medical devices manufacturing industry.
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