When using computer graphics, such as PowerPoint slides, you should do all of the following except（）。
A.maintain simplicity.B.showcase the software.C.maintain background and text contrast.D.strive for clarity.正确答案：showcase the software.
When using computer graphics, such as PowerPoint slides, you should do all of the following except（）。
A.maintain simplicity.B.showcase the software.C.maintain background and text contrast.D.strive for clarity.正确答案：showcase the software.