皮皮学，免费搜题
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【单选题】
下列四种文件格式中，属于视频文件格式的是______。A.
JPG格式
B.
MP3格式
C.
MIDI格式
D.
RM格式
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】价格歧视（Price discrimination）
【简答题】三级价格歧视(third—degree price discrimination)(厦门大学2011研)
【简答题】价格歧视(price discrimination)
【单选题】About chronic cor pulmonale, which is correct?
A.
It is right ventricular hypertrophy by disorders of the lung.
B.
It is left ventricular hypertrophy by disorders of the lung.
C.
It is left atrium hypertrophy by disorders of the lung.
D.
It is right atrium hypertrophy by disorders of the lung.
【简答题】定义价格歧视，简述实行价格歧视所需的条件及价格歧视的种类。
【简答题】交强险合同中的被保险人是指投保人及其允许的( )。
【单选题】Which of the following can be experienced by reading books according to this text?
A.
To correct others' mistakes.
B.
To understand the world around us.
C.
To repeat their achievements.
D.
To meet other people in the world.
【简答题】价格歧视(Price Discrimination)与二重价(Two-part Tariff)
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