怎样提取PPT中的音频文件

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select * from tbl_Articles WHERE ArticleID=1453191 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1453191 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1453191 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1099857,1112398,1106545,1096719,1063671,1109499,1071701,1102282,1117722,1100583,1088586,1068118,1115699,1110516,1074870,1051691,1116813,1093140,1052415,1105543,1086091,1074276,1055718,1061610,1061044,1084779,1091362,1115591,1075907,1117620) ORDER BY field (ArticleID,1099857,1112398,1106545,1096719,1063671,1109499,1071701,1102282,1117722,1100583,1088586,1068118,1115699,1110516,1074870,1051691,1116813,1093140,1052415,1105543,1086091,1074276,1055718,1061610,1061044,1084779,1091362,1115591,1075907,1117620)