题目

如果4个不等的偶数m，n，p，q满足（3﹣m）（3﹣n）（3﹣p）（3﹣q）=9，那么m+n+p+q等于． 答案：【1】12All of them try to use the power of the workstation _____ information in a more effective way. [     ]A. presenting B. presented C. being presented D. to present