PowerPoint2000自定义动画设置,设置项目包括()。
A.动画
B.声音
C.顺序
D.时间
参考答案:A, B, C, D
Steve Jobs is one of the persons founded Apple Computer Company. His death marked the end of an era (时代).
A.whose
B.who
C.which
D.whom
水泥掺加混合材的意义?