单项选择题
A.Goldwave B.Media Play C.PowerPoint D.Movie Maker
A.AVI与WMV B.MPEG与MOV C.RM/RMVB与FLV/F4V D.WAV
A.Asf/wmv与flv/f4v B.RA/RM/RMVB C.AVI D.MOV/QT
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