A..ppt
B..pwt
C..xs
D..doc
[单选题]PowerPoint演示文档的扩展名是()。A . .pptB . .pwtC . .xslD . .doc
[单选题]PowerPoint演示文稿的扩展名是A..DBCB..EXEC..PPTD..XLSE..DOC
[单选题]PowerPoint演示文稿的扩展名是()。A . pptB . pwtC . docD . xls
[单选题]PowerPoint演示文稿的扩展名是( )。A.XLSB.DBCC.PPTD.EXEE.DOC
[B单选题]PowerPoint演示文稿的扩展名是A..DBCB..EXEC..PPTD..XLSE..DOC
[单选题]PowerPoint演示文稿的扩展名是( )。A.XLSB.DBCC.PPTD.EXEE.DOC
[B单选题]PowerPoint演示文稿的扩展名是A..DBCB..EXEC..PPTD..XLSE..DOC
[单选题]PowerPoint演示文稿的扩展名是( )。A.XLSB.DBCC.PPTD.EXEE.DOC
[单选题]PowerPoint演示文稿的扩展名是( )。A.XLSB.DBCC.PPTD.EXEE.DOC
[单选题]PowerPoint演示文稿的扩展名是。()A .ppsB .potC .pptD .pwz