PowerPoint is the most widely used visua...orms of visual aids.

目前计算机有很多高级语言,例如 A: Java,VisualBasic,Access B: Java,Excel,Visua,C++ C: VisualBASIC,Oracle,C++ D: C,C++,Java

[单选题] Opera系统不包括()。 A: Vincard门锁系统 B: Opera Property Management Solutions ,简称OPERA PMS C: Opera RESERVATION SYSTEM,ORS D: Opera Revenue Management System,ORMS