一块重70N的砖,用120N的力压在竖直的墙上,该力与墙面垂直,则墙受到的压力是________N。
120
高塔再沸器温度.()。
A.<50℃
B.>45℃
C.>50℃
D.>60℃
编写如下事件过程: Option Base 1 Private Sub Form Click()Dim x1()As IntegerDim i As IntegerDim s As IntegerReDim x1(3)For i = 1 To UBound(x1) x1(i)=i + 1Next iCall sub1(x1)For i = 1 To UBound(x1) s = s + x1(i)Next iPrint s End Sub Private Sub sub1(n()As Integer)Dim i As IntegerReDim Preserve n(5)For i = 3 To 5 n(i)=n(i-1)*2Next i End Sub 程序运行后,单击窗体,则窗体上显示的内容是
A.6
B.12
C.24
D.47