18.在窗体上画1个命令按钮,并编写如下事件过程: A: ivateSubForm_Click() B: mIAsInteger,XAsString,YAsString C: ="ABCDEFG" D: rI=4To1Step-1 E: =Y+Mid(X,I,1) F: xtI G: intY H: dSub I: 程序,单击命令按钮,窗体上显示的内容为() J: ABCD K: DCBA L: DEFG
18.在窗体上画1个命令按钮,并编写如下事件过程: A: ivateSubForm_Click() B: mIAsInteger,XAsString,YAsString C: ="ABCDEFG" D: rI=4To1Step-1 E: =Y+Mid(X,I,1) F: xtI G: intY H: dSub I: 程序,单击命令按钮,窗体上显示的内容为() J: ABCD K: DCBA L: DEFG
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