【简答题】请将这句话In a conventional ignition system, the switching on and off of the primary voltage is done with a set of breaker points. The points are set inside the distributor and rode on a cam on the distrib...
【单选题】在窗体中添加一个名称为C1的命令按钮,然后编写如下事件代码: Private SubC1_click() str='ABAABAAABABBA' For i=6 Ti 2 Step-2 x=Mid(str,i,i) y=Lefi(str,i) z=mght(str,i) Next i MsgBox x&y&z