![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
在Visual FoxPro中有如下程序: *程序名: TEST.PRG *调用方法: DO TEST SET TALK OFF CLOSE ALL CLEAR ALL mX='Visual FoxPro' my='二级' DO SUB1 WITH mX ?mY+mX RETURN *子程序: SUB1.PRG PROCEDURE SUB1 PARAMETERS mX1 LOCAL mX mX='Visual FoxPro DBMS 考试' mY='计算机等级'+mY RETURN 执行命令DO TEST后,屏幕的显示结果为