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【单选题】
An external benefit is a:A.
negative externality.
B.
benefit that accrues to domestic firms as a result of the actions of foreign (external) firms.
C.
benefit that accrues to foreign (external) firms as a result of the actions of domestic firms.
D.
benefit that individuals or firms confer on others without receiving compensation.
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反馈参考答案：
举一反三
【简答题】时间轴上各种帧的类型和特点都有哪些？
【多选题】 特写的作用与特点有哪些
A.
画面内容单一，可以起到强化内容，突出细节的作用
B.
表现人物面部时，揭示人物复杂的内心世界
C.
常用来构建画面的想象空间，几乎每个特写镜头都具有延伸意义
D.
常被用来做转场画面
【简答题】My crippled（瘸腿的）grandmother was dancing. I stood in the living room doorway, looking at her beautiful movements, completely . Do you know she'd had her accident. I had read that in an old newspaper ar...
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