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【简答题】
最优证券组合是（ ）。
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反馈参考答案：
举一反三
【单选题】由于视轴与轴线平行,人物视线在视觉上是在与观众交流,实际上是在与摄影机交流,因此 ( ) 又称为中性镜头。
A.
内反拍镜头
B.
外反拍镜头
C.
平行镜头
D.
齐轴镜头
【简答题】Although Wales is the smallest of the three nations on the mainland, it’s good at getting _________from abroad, particularly Japan and _________ .
【简答题】Although in the 17th century in the United States fine art and folk art had similar qualities, a difference between them began to appear as time went on in the 18th and 19th centuries artists with amb...
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