【单选题】P9.若有以下两个过程 Sub S1 (ByVal x As Integer, By Val y As Integer) Dim t As Integer t=x x=y y=t End Sub Sub S2(x As Integer, y As Integer) Dim t As Integer t=x: x=y: y=t 则下列说法中,正确的是
【简答题】若有以下两个过程:Sub S1(ByVal x As Integer, ByVal y As Integer)Dim t As Integert = xx = yy = tEnd SubSub S2(x As Integer, y As Integer)Dim t As Integert = x : x = y : y = tEnd Sub则下列说法中,正确的是( )。A. 使用过程 S1 可以...